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Build: Add very limited experimental CMake support. This does *NOT* replace the Autotools-based build system in the foreseeable future. See the comment in the beginning of CMakeLists.txt. So far this has been tested only on GNU/Linux but I commit it anyway to make it easier for others to test. Since I haven't played much with CMake before, it's likely that there are things that have been done in a silly or wrong way and need to be fixed.
2020-02-24 16:38:16 -05:00
#############################################################################
#
# Very limited CMake support for building some parts of XZ Utils
#
# For now, this is indented to be useful to build static or shared liblzma
# on Windows with MSVC (to avoid the need to maintain Visual Studio project
# files). Building liblzma on a few other platforms should work too but it
# is somewhat experimental and not as portable as using ./configure.
#
# On some platforms this builds also xz and xzdec, but these are
# highly experimental and meant for testing only:
# - No large file support on those 32-bit platforms that need it
# - No replacement getopt_long(), libc must have it
# - No sandboxing support
# - No translations
#
# Other missing things:
# - No xzgrep or other scripts or their symlinks
CMake: Add liblzma tests. Thanks to Jia Tan for the patch.
2022-08-22 09:46:18 -04:00
# - No xz tests (liblzma tests only)
Build: Add very limited experimental CMake support. This does *NOT* replace the Autotools-based build system in the foreseeable future. See the comment in the beginning of CMakeLists.txt. So far this has been tested only on GNU/Linux but I commit it anyway to make it easier for others to test. Since I haven't played much with CMake before, it's likely that there are things that have been done in a silly or wrong way and need to be fixed.
2020-02-24 16:38:16 -05:00
#
# NOTE: Even if the code compiles without warnings, the end result may be
# different than via ./configure. Specifically, the list of #defines
# may be different (if so, probably this CMakeLists.txt got them wrong).
#
# This file provides the following installation components (if you only
# need liblzma, install only its components!):
# - liblzma_Runtime
# - liblzma_Development
# - xz (on some platforms only)
# - xzdec (on some platforms only)
#
# To find the target liblzma::liblzma from other packages, use the CONFIG
# option with find_package() to avoid a conflict with the FindLibLZMA module
# with case-insensitive file systems. For example, to require liblzma 5.2.5
# or a newer compatible version:
#
# find_package(liblzma 5.2.5 REQUIRED CONFIG)
# target_link_libraries(my_application liblzma::liblzma)
#
#############################################################################
#
# Author: Lasse Collin
#
# This file has been put into the public domain.
# You can do whatever you want with this file.
#
#############################################################################
CMake: Update cmake_minimum_required from 3.13...3.16 to 3.13...3.25. The changes listed on cmake-policies(7) for versions 3.17 to 3.25 shouldn't affect this project.
2023-01-07 14:57:11 -05:00
cmake_minimum_required(VERSION 3.13...3.25 FATAL_ERROR)
Build: Add very limited experimental CMake support. This does *NOT* replace the Autotools-based build system in the foreseeable future. See the comment in the beginning of CMakeLists.txt. So far this has been tested only on GNU/Linux but I commit it anyway to make it easier for others to test. Since I haven't played much with CMake before, it's likely that there are things that have been done in a silly or wrong way and need to be fixed.
2020-02-24 16:38:16 -05:00
liblzma: Use __attribute__((__constructor__)) if available. This uses it for CRC table initializations when using --disable-small. It avoids mythread_once() overhead. It also means that then --disable-small --disable-threads is thread-safe if this attribute is supported.
2022-11-14 09:00:52 -05:00
include(CMakePushCheckState)
liblzma: Add fast CRC64 for 32/64-bit x86 using SSSE3 + SSE4.1 + CLMUL. It also works on E2K as it supports these intrinsics. On x86-64 runtime detection is used so the code keeps working on older processors too. A CLMUL-only build can be done by using -msse4.1 -mpclmul in CFLAGS and this will reduce the library size since the generic implementation and its 8 KiB lookup table will be omitted. On 32-bit x86 this isn't used by default for now because by default on 32-bit x86 the separate assembly file crc64_x86.S is used. If --disable-assembler is used then this new CLMUL code is used the same way as on 64-bit x86. However, a CLMUL-only build (-msse4.1 -mpclmul) won't omit the 8 KiB lookup table on 32-bit x86 due to a currently-missing check for disabled assembler usage. The configure.ac check should be such that the code won't be built if something in the toolchain doesn't support it but --disable-clmul-crc option can be used to unconditionally disable this feature. CLMUL speeds up decompression of files that have compressed very well (assuming CRC64 is used as a check type). It is know that the CLMUL code is significantly slower than the generic code for tiny inputs (especially 1-8 bytes but up to 16 bytes). If that is a real-world problem then there is already a commented-out variant that uses the generic version for small inputs. Thanks to Ilya Kurdyukov for the original patch which was derived from a white paper from Intel [1] (published in 2009) and public domain code from [2] (released in 2016). [1] https://www.intel.com/content/dam/www/public/us/en/documents/white-papers/fast-crc-computation-generic-polynomials-pclmulqdq-paper.pdf [2] https://github.com/rawrunprotected/crc
2022-11-14 14:34:57 -05:00
include(CheckIncludeFile)
Build: Add very limited experimental CMake support. This does *NOT* replace the Autotools-based build system in the foreseeable future. See the comment in the beginning of CMakeLists.txt. So far this has been tested only on GNU/Linux but I commit it anyway to make it easier for others to test. Since I haven't played much with CMake before, it's likely that there are things that have been done in a silly or wrong way and need to be fixed.
2020-02-24 16:38:16 -05:00
include(CheckSymbolExists)
include(CheckStructHasMember)
liblzma: Add fast CRC64 for 32/64-bit x86 using SSSE3 + SSE4.1 + CLMUL. It also works on E2K as it supports these intrinsics. On x86-64 runtime detection is used so the code keeps working on older processors too. A CLMUL-only build can be done by using -msse4.1 -mpclmul in CFLAGS and this will reduce the library size since the generic implementation and its 8 KiB lookup table will be omitted. On 32-bit x86 this isn't used by default for now because by default on 32-bit x86 the separate assembly file crc64_x86.S is used. If --disable-assembler is used then this new CLMUL code is used the same way as on 64-bit x86. However, a CLMUL-only build (-msse4.1 -mpclmul) won't omit the 8 KiB lookup table on 32-bit x86 due to a currently-missing check for disabled assembler usage. The configure.ac check should be such that the code won't be built if something in the toolchain doesn't support it but --disable-clmul-crc option can be used to unconditionally disable this feature. CLMUL speeds up decompression of files that have compressed very well (assuming CRC64 is used as a check type). It is know that the CLMUL code is significantly slower than the generic code for tiny inputs (especially 1-8 bytes but up to 16 bytes). If that is a real-world problem then there is already a commented-out variant that uses the generic version for small inputs. Thanks to Ilya Kurdyukov for the original patch which was derived from a white paper from Intel [1] (published in 2009) and public domain code from [2] (released in 2016). [1] https://www.intel.com/content/dam/www/public/us/en/documents/white-papers/fast-crc-computation-generic-polynomials-pclmulqdq-paper.pdf [2] https://github.com/rawrunprotected/crc
2022-11-14 14:34:57 -05:00
include(CheckCSourceCompiles)
Build: Add very limited experimental CMake support. This does *NOT* replace the Autotools-based build system in the foreseeable future. See the comment in the beginning of CMakeLists.txt. So far this has been tested only on GNU/Linux but I commit it anyway to make it easier for others to test. Since I haven't played much with CMake before, it's likely that there are things that have been done in a silly or wrong way and need to be fixed.
2020-02-24 16:38:16 -05:00
include(cmake/tuklib_integer.cmake)
include(cmake/tuklib_cpucores.cmake)
include(cmake/tuklib_physmem.cmake)
include(cmake/tuklib_progname.cmake)
include(cmake/tuklib_mbstr.cmake)
# Get the package version from version.h into XZ_VERSION variable.
file(READ src/liblzma/api/lzma/version.h XZ_VERSION)
string(REGEX REPLACE
"^.*\n\
#define LZMA_VERSION_MAJOR ([0-9]+)\n\
#define LZMA_VERSION_MINOR ([0-9]+)\n\
#define LZMA_VERSION_PATCH ([0-9]+)\n\
.*$"
Build: Fix bugs in the CMake files. Seems that the phrase "add more quotes" from sh/bash scripting applies to CMake as well. E.g. passing an unquoted list ${FOO} to a function that expects one argument results in only the first element of the list being passed as an argument and the rest get ignored. Adding quotes helps ("${FOO}"). list(INSERT ...) is weird. Inserting an empty string to an empty variable results in empty list, but inserting it to a non-empty variable does insert an empty element to the list. Since INSERT requires at least one element, "${CMAKE_THREAD_LIBS_INIT}" needs to be quoted in CMakeLists.txt. It might result in an empty element in the list. It seems to not matter as empty elements consistently get ignored in that variable. In fact, calling cmake_check_push_state() and cmake_check_pop_state() will strip the empty elements from CMAKE_REQUIRED_LIBRARIES! In addition to quoting fixes, this fixes checks for the cache variables in tuklib_cpucores.cmake and tuklib_physmem.cmake. Thanks to Martin Matuška for testing and reporting the problems. These fixes aren't tested yet but hopefully they soon will be.
2020-02-25 13:42:31 -05:00
"\\1.\\2.\\3" XZ_VERSION "${XZ_VERSION}")
Build: Add very limited experimental CMake support. This does *NOT* replace the Autotools-based build system in the foreseeable future. See the comment in the beginning of CMakeLists.txt. So far this has been tested only on GNU/Linux but I commit it anyway to make it easier for others to test. Since I haven't played much with CMake before, it's likely that there are things that have been done in a silly or wrong way and need to be fixed.
2020-02-24 16:38:16 -05:00
# Among other things, this gives us variables xz_VERSION and xz_VERSION_MAJOR.
Build: Fix bugs in the CMake files. Seems that the phrase "add more quotes" from sh/bash scripting applies to CMake as well. E.g. passing an unquoted list ${FOO} to a function that expects one argument results in only the first element of the list being passed as an argument and the rest get ignored. Adding quotes helps ("${FOO}"). list(INSERT ...) is weird. Inserting an empty string to an empty variable results in empty list, but inserting it to a non-empty variable does insert an empty element to the list. Since INSERT requires at least one element, "${CMAKE_THREAD_LIBS_INIT}" needs to be quoted in CMakeLists.txt. It might result in an empty element in the list. It seems to not matter as empty elements consistently get ignored in that variable. In fact, calling cmake_check_push_state() and cmake_check_pop_state() will strip the empty elements from CMAKE_REQUIRED_LIBRARIES! In addition to quoting fixes, this fixes checks for the cache variables in tuklib_cpucores.cmake and tuklib_physmem.cmake. Thanks to Martin Matuška for testing and reporting the problems. These fixes aren't tested yet but hopefully they soon will be.
2020-02-25 13:42:31 -05:00
project(xz VERSION "${XZ_VERSION}" LANGUAGES C)
Build: Add very limited experimental CMake support. This does *NOT* replace the Autotools-based build system in the foreseeable future. See the comment in the beginning of CMakeLists.txt. So far this has been tested only on GNU/Linux but I commit it anyway to make it easier for others to test. Since I haven't played much with CMake before, it's likely that there are things that have been done in a silly or wrong way and need to be fixed.
2020-02-24 16:38:16 -05:00
Build: Don't build bundles on Apple OSes. Thanks to Daniel Packard.
2020-12-16 11:30:14 -05:00
# On Apple OSes, don't build executables as bundles:
set(CMAKE_MACOSX_BUNDLE OFF)
CMake/Windows: Add a workaround for windres from GNU binutils. This is combined from the following commits in the master branch: 443dfebced041adc88f10d824188eeef5b5821a9 6b117d3b1fe91eb26d533ab16a2e552f84148d47 5e34774c31d1b7509b5cb77a3be9973adec59ea0 Thanks to Iouri Kharon for the bug report, the original patch, and testing.
2023-01-10 01:50:26 -05:00
# windres from GNU binutils can be tricky with command line arguments
# that contain spaces or other funny characters. Unfortunately we need
# a space in PACKAGE_NAME. Using \x20 to encode the US-ASCII space seems
# to work in both cmd.exe and /bin/sh.
#
# However, even \x20 isn't enough in all situations, resulting in
# "syntax error" from windres. Using --use-temp-file prevents windres
# from using popen() and this seems to fix the problem.
#
# llvm-windres claims to be compatible with GNU windres but with that
# the \x20 results in "XZx20Utils" in the compiled binary. (At the
# same time it works correctly with clang (the C compiler).) The option
# --use-temp-file makes no difference.
#
# CMake 3.25 doesn't have CMAKE_RC_COMPILER_ID so we rely on
# CMAKE_C_COMPILER_ID. If Clang is used together with GNU windres
# then it will fail, but this way the risk of a bad string in
# the binary should be fairly low.
if(WIN32 AND CMAKE_C_COMPILER_ID STREQUAL "GNU")
# Use workarounds with GNU windres. The \x20 in PACKAGE_NAME works
# with gcc too so we don't need to worry how to pass different flags
# to windres and gcc.
string(APPEND CMAKE_RC_FLAGS " --use-temp-file")
set(PACKAGE_NAME "XZ\\x20Utils")
else()
# Elsewhere a space is safe. This also keeps things compatible with
# EBCDIC in case CMake-based build is ever done on such a system.
set(PACKAGE_NAME "XZ Utils")
endif()
Build: Add very limited experimental CMake support. This does *NOT* replace the Autotools-based build system in the foreseeable future. See the comment in the beginning of CMakeLists.txt. So far this has been tested only on GNU/Linux but I commit it anyway to make it easier for others to test. Since I haven't played much with CMake before, it's likely that there are things that have been done in a silly or wrong way and need to be fixed.
2020-02-24 16:38:16 -05:00
# Definitions common to all targets:
add_compile_definitions(
# Package info:
CMake/Windows: Add a workaround for windres from GNU binutils. This is combined from the following commits in the master branch: 443dfebced041adc88f10d824188eeef5b5821a9 6b117d3b1fe91eb26d533ab16a2e552f84148d47 5e34774c31d1b7509b5cb77a3be9973adec59ea0 Thanks to Iouri Kharon for the bug report, the original patch, and testing.
2023-01-10 01:50:26 -05:00
PACKAGE_NAME="${PACKAGE_NAME}"
Change the bug report address. It forwards to me and Jia Tan. Also update the IRC reference in README as #tukaani was moved to Libera Chat long ago.
2022-11-30 11:08:34 -05:00
PACKAGE_BUGREPORT="xz@tukaani.org"
Build: Add very limited experimental CMake support. This does *NOT* replace the Autotools-based build system in the foreseeable future. See the comment in the beginning of CMakeLists.txt. So far this has been tested only on GNU/Linux but I commit it anyway to make it easier for others to test. Since I haven't played much with CMake before, it's likely that there are things that have been done in a silly or wrong way and need to be fixed.
2020-02-24 16:38:16 -05:00
PACKAGE_URL="https://tukaani.org/xz/"
# Features:
HAVE_CHECK_CRC32
HAVE_CHECK_CRC64
HAVE_CHECK_SHA256
HAVE_DECODERS
HAVE_DECODER_ARM
HAVE_DECODER_ARMTHUMB
liblzma: Add experimental ARM64 BCJ filter with a temporary Filter ID. That is, the Filter ID will be changed once the design is final. The current version will be removed. So files created with the tempoary Filter ID won't be supported in the future.
2022-09-19 12:34:56 -04:00
HAVE_DECODER_ARM64
Build: Add very limited experimental CMake support. This does *NOT* replace the Autotools-based build system in the foreseeable future. See the comment in the beginning of CMakeLists.txt. So far this has been tested only on GNU/Linux but I commit it anyway to make it easier for others to test. Since I haven't played much with CMake before, it's likely that there are things that have been done in a silly or wrong way and need to be fixed.
2020-02-24 16:38:16 -05:00
HAVE_DECODER_DELTA
HAVE_DECODER_IA64
HAVE_DECODER_LZMA1
HAVE_DECODER_LZMA2
HAVE_DECODER_POWERPC
HAVE_DECODER_SPARC
HAVE_DECODER_X86
HAVE_ENCODERS
HAVE_ENCODER_ARM
HAVE_ENCODER_ARMTHUMB
liblzma: Add experimental ARM64 BCJ filter with a temporary Filter ID. That is, the Filter ID will be changed once the design is final. The current version will be removed. So files created with the tempoary Filter ID won't be supported in the future.
2022-09-19 12:34:56 -04:00
HAVE_ENCODER_ARM64
Build: Add very limited experimental CMake support. This does *NOT* replace the Autotools-based build system in the foreseeable future. See the comment in the beginning of CMakeLists.txt. So far this has been tested only on GNU/Linux but I commit it anyway to make it easier for others to test. Since I haven't played much with CMake before, it's likely that there are things that have been done in a silly or wrong way and need to be fixed.
2020-02-24 16:38:16 -05:00
HAVE_ENCODER_DELTA
HAVE_ENCODER_IA64
HAVE_ENCODER_LZMA1
HAVE_ENCODER_LZMA2
HAVE_ENCODER_POWERPC
HAVE_ENCODER_SPARC
HAVE_ENCODER_X86
HAVE_MF_BT2
HAVE_MF_BT3
HAVE_MF_BT4
HAVE_MF_HC3
HAVE_MF_HC4
CMake: Add lzip decoder files and #define to the build.
2022-11-09 07:45:05 -05:00
HAVE_LZIP_DECODER
Build: Add very limited experimental CMake support. This does *NOT* replace the Autotools-based build system in the foreseeable future. See the comment in the beginning of CMakeLists.txt. So far this has been tested only on GNU/Linux but I commit it anyway to make it easier for others to test. Since I haven't played much with CMake before, it's likely that there are things that have been done in a silly or wrong way and need to be fixed.
2020-02-24 16:38:16 -05:00
# Standard headers and types are available:
HAVE_STDBOOL_H
HAVE__BOOL
HAVE_STDINT_H
HAVE_INTTYPES_H
# Disable assert() checks when no build type has been specified. Non-empty
# build types like "Release" and "Debug" handle this by default.
$<$<CONFIG:>:NDEBUG>
)
# _GNU_SOURCE and such definitions. This specific macro is special since
# it also adds the definitions to CMAKE_REQUIRED_DEFINITIONS.
tuklib_use_system_extensions(ALL)
# This is needed by liblzma and xz.
tuklib_integer(ALL)
# Check for clock_gettime(). Do this before checking for threading so
# that we know there if CLOCK_MONOTONIC is available.
CMake: Fix compatibility with CMake 3.13. The syntax "if(DEFINED CACHE{FOO})" requires CMake 3.14. In some other places the code treats the cache variables like normal variables already (${FOO} or if(FOO) is used, not ${CACHE{FOO}). Thanks to ygrek for reporting the bug on IRC.
2020-11-17 13:51:48 -05:00
if(NOT WIN32 AND NOT DEFINED HAVE_CLOCK_GETTIME)
Build: Add very limited experimental CMake support. This does *NOT* replace the Autotools-based build system in the foreseeable future. See the comment in the beginning of CMakeLists.txt. So far this has been tested only on GNU/Linux but I commit it anyway to make it easier for others to test. Since I haven't played much with CMake before, it's likely that there are things that have been done in a silly or wrong way and need to be fixed.
2020-02-24 16:38:16 -05:00
check_symbol_exists(clock_gettime time.h HAVE_CLOCK_GETTIME)
if(NOT HAVE_CLOCK_GETTIME)
# With glibc <= 2.17 or Solaris 10 this needs librt.
unset(HAVE_CLOCK_GETTIME CACHE)
list(INSERT CMAKE_REQUIRED_LIBRARIES 0 rt)
check_symbol_exists(clock_gettime time.h HAVE_CLOCK_GETTIME)
# If it was found now, add it to all targets and keep it
# in CMAKE_REQUIRED_LIBRARIES for further tests too.
if(HAVE_CLOCK_GETTIME)
link_libraries(rt)
else()
list(REMOVE_AT CMAKE_REQUIRED_LIBRARIES 0)
endif()
endif()
if(HAVE_CLOCK_GETTIME)
# Check if CLOCK_MONOTONIC is available for clock_gettime().
Build: No longer require HAVE_DECL_CLOCK_MONOTONIC to always be set. Previously, if threading was enabled HAVE_DECL_CLOCK_MONOTONIC would always be set to 0 or 1. However, this macro was needed in xz so if xz was not built with threading and HAVE_DECL_CLOCK_MONOTONIC was not defined but HAVE_CLOCK_GETTIME was, it caused a warning during build. Now, HAVE_DECL_CLOCK_MONOTONIC has been renamed to HAVE_CLOCK_MONOTONIC and will only be set if it is 1.
2022-12-28 12:10:53 -05:00
check_symbol_exists(CLOCK_MONOTONIC time.h HAVE_CLOCK_MONOTONIC)
Build: Add very limited experimental CMake support. This does *NOT* replace the Autotools-based build system in the foreseeable future. See the comment in the beginning of CMakeLists.txt. So far this has been tested only on GNU/Linux but I commit it anyway to make it easier for others to test. Since I haven't played much with CMake before, it's likely that there are things that have been done in a silly or wrong way and need to be fixed.
2020-02-24 16:38:16 -05:00
add_compile_definitions(
HAVE_CLOCK_GETTIME
Build: No longer require HAVE_DECL_CLOCK_MONOTONIC to always be set. Previously, if threading was enabled HAVE_DECL_CLOCK_MONOTONIC would always be set to 0 or 1. However, this macro was needed in xz so if xz was not built with threading and HAVE_DECL_CLOCK_MONOTONIC was not defined but HAVE_CLOCK_GETTIME was, it caused a warning during build. Now, HAVE_DECL_CLOCK_MONOTONIC has been renamed to HAVE_CLOCK_MONOTONIC and will only be set if it is 1.
2022-12-28 12:10:53 -05:00
HAVE_CLOCK_MONOTONIC
Build: Add very limited experimental CMake support. This does *NOT* replace the Autotools-based build system in the foreseeable future. See the comment in the beginning of CMakeLists.txt. So far this has been tested only on GNU/Linux but I commit it anyway to make it easier for others to test. Since I haven't played much with CMake before, it's likely that there are things that have been done in a silly or wrong way and need to be fixed.
2020-02-24 16:38:16 -05:00
)
endif()
endif()
# Threading support:
set(THREADS_PREFER_PTHREAD_FLAG TRUE)
find_package(Threads REQUIRED)
if(CMAKE_USE_WIN32_THREADS_INIT)
CMake: Keep compatible with Windows 95 for 32-bit build.
2021-12-13 07:49:21 -05:00
if(CMAKE_SIZEOF_VOID_P EQUAL 4)
# Define to 1 when using Windows 95 (and thus XP) compatible threads. This
# avoids use of features that were added in Windows Vista.
# This is used for 32-bit x86 builds for compatibility reasons since it
# makes no measurable difference in performance compared to Vista threads.
add_compile_definitions(MYTHREAD_WIN95)
else()
# Define to 1 when using Windows Vista compatible threads. This uses features
# that are not available on Windows XP.
add_compile_definitions(MYTHREAD_VISTA)
endif()
Build: Add very limited experimental CMake support. This does *NOT* replace the Autotools-based build system in the foreseeable future. See the comment in the beginning of CMakeLists.txt. So far this has been tested only on GNU/Linux but I commit it anyway to make it easier for others to test. Since I haven't played much with CMake before, it's likely that there are things that have been done in a silly or wrong way and need to be fixed.
2020-02-24 16:38:16 -05:00
else()
add_compile_definitions(MYTHREAD_POSIX)
# Check if pthread_condattr_setclock() exists to use CLOCK_MONOTONIC.
Build: No longer require HAVE_DECL_CLOCK_MONOTONIC to always be set. Previously, if threading was enabled HAVE_DECL_CLOCK_MONOTONIC would always be set to 0 or 1. However, this macro was needed in xz so if xz was not built with threading and HAVE_DECL_CLOCK_MONOTONIC was not defined but HAVE_CLOCK_GETTIME was, it caused a warning during build. Now, HAVE_DECL_CLOCK_MONOTONIC has been renamed to HAVE_CLOCK_MONOTONIC and will only be set if it is 1.
2022-12-28 12:10:53 -05:00
if(HAVE_CLOCK_MONOTONIC)
Build: Fix bugs in the CMake files. Seems that the phrase "add more quotes" from sh/bash scripting applies to CMake as well. E.g. passing an unquoted list ${FOO} to a function that expects one argument results in only the first element of the list being passed as an argument and the rest get ignored. Adding quotes helps ("${FOO}"). list(INSERT ...) is weird. Inserting an empty string to an empty variable results in empty list, but inserting it to a non-empty variable does insert an empty element to the list. Since INSERT requires at least one element, "${CMAKE_THREAD_LIBS_INIT}" needs to be quoted in CMakeLists.txt. It might result in an empty element in the list. It seems to not matter as empty elements consistently get ignored in that variable. In fact, calling cmake_check_push_state() and cmake_check_pop_state() will strip the empty elements from CMAKE_REQUIRED_LIBRARIES! In addition to quoting fixes, this fixes checks for the cache variables in tuklib_cpucores.cmake and tuklib_physmem.cmake. Thanks to Martin Matuška for testing and reporting the problems. These fixes aren't tested yet but hopefully they soon will be.
2020-02-25 13:42:31 -05:00
list(INSERT CMAKE_REQUIRED_LIBRARIES 0 "${CMAKE_THREAD_LIBS_INIT}")
Build: Add very limited experimental CMake support. This does *NOT* replace the Autotools-based build system in the foreseeable future. See the comment in the beginning of CMakeLists.txt. So far this has been tested only on GNU/Linux but I commit it anyway to make it easier for others to test. Since I haven't played much with CMake before, it's likely that there are things that have been done in a silly or wrong way and need to be fixed.
2020-02-24 16:38:16 -05:00
check_symbol_exists(pthread_condattr_setclock pthread.h
HAVE_PTHREAD_CONDATTR_SETCLOCK)
tuklib_add_definition_if(ALL HAVE_PTHREAD_CONDATTR_SETCLOCK)
endif()
endif()
# Options for new enough GCC or Clang on any arch or operating system:
if(CMAKE_C_COMPILER_ID MATCHES GNU|Clang)
# configure.ac has a long list but it won't be copied here:
add_compile_options(-Wall -Wextra)
endif()
#############################################################################
# liblzma
#############################################################################
option(BUILD_SHARED_LIBS "Build liblzma as a shared library instead of static")
add_library(liblzma
src/common/mythread.h
src/common/sysdefs.h
src/common/tuklib_common.h
src/common/tuklib_config.h
src/common/tuklib_cpucores.c
src/common/tuklib_cpucores.h
src/common/tuklib_integer.h
src/common/tuklib_physmem.c
src/common/tuklib_physmem.h
src/liblzma/api/lzma.h
src/liblzma/api/lzma/base.h
src/liblzma/api/lzma/bcj.h
src/liblzma/api/lzma/block.h
src/liblzma/api/lzma/check.h
src/liblzma/api/lzma/container.h
src/liblzma/api/lzma/delta.h
src/liblzma/api/lzma/filter.h
src/liblzma/api/lzma/hardware.h
src/liblzma/api/lzma/index.h
src/liblzma/api/lzma/index_hash.h
src/liblzma/api/lzma/lzma12.h
src/liblzma/api/lzma/stream_flags.h
src/liblzma/api/lzma/version.h
src/liblzma/api/lzma/vli.h
src/liblzma/check/check.c
src/liblzma/check/check.h
src/liblzma/check/crc32_fast.c
src/liblzma/check/crc32_table.c
src/liblzma/check/crc32_table_be.h
src/liblzma/check/crc32_table_le.h
src/liblzma/check/crc64_fast.c
src/liblzma/check/crc64_table.c
src/liblzma/check/crc64_table_be.h
src/liblzma/check/crc64_table_le.h
src/liblzma/check/crc_macros.h
src/liblzma/check/sha256.c
src/liblzma/common/alone_decoder.c
src/liblzma/common/alone_decoder.h
src/liblzma/common/alone_encoder.c
src/liblzma/common/auto_decoder.c
src/liblzma/common/block_buffer_decoder.c
src/liblzma/common/block_buffer_encoder.c
src/liblzma/common/block_buffer_encoder.h
src/liblzma/common/block_decoder.c
src/liblzma/common/block_decoder.h
src/liblzma/common/block_encoder.c
src/liblzma/common/block_encoder.h
src/liblzma/common/block_header_decoder.c
src/liblzma/common/block_header_encoder.c
src/liblzma/common/block_util.c
src/liblzma/common/common.c
src/liblzma/common/common.h
src/liblzma/common/easy_buffer_encoder.c
src/liblzma/common/easy_decoder_memusage.c
src/liblzma/common/easy_encoder.c
src/liblzma/common/easy_encoder_memusage.c
src/liblzma/common/easy_preset.c
src/liblzma/common/easy_preset.h
src/liblzma/common/file_info.c
src/liblzma/common/filter_buffer_decoder.c
src/liblzma/common/filter_buffer_encoder.c
src/liblzma/common/filter_common.c
src/liblzma/common/filter_common.h
src/liblzma/common/filter_decoder.c
src/liblzma/common/filter_decoder.h
src/liblzma/common/filter_encoder.c
src/liblzma/common/filter_encoder.h
src/liblzma/common/filter_flags_decoder.c
src/liblzma/common/filter_flags_encoder.c
src/liblzma/common/hardware_cputhreads.c
src/liblzma/common/hardware_physmem.c
src/liblzma/common/index.c
src/liblzma/common/index.h
src/liblzma/common/index_decoder.c
src/liblzma/common/index_decoder.h
src/liblzma/common/index_encoder.c
src/liblzma/common/index_encoder.h
src/liblzma/common/index_hash.c
CMake: Add lzip decoder files and #define to the build.
2022-11-09 07:45:05 -05:00
src/liblzma/common/lzip_decoder.c
src/liblzma/common/lzip_decoder.h
Build: Add very limited experimental CMake support. This does *NOT* replace the Autotools-based build system in the foreseeable future. See the comment in the beginning of CMakeLists.txt. So far this has been tested only on GNU/Linux but I commit it anyway to make it easier for others to test. Since I haven't played much with CMake before, it's likely that there are things that have been done in a silly or wrong way and need to be fixed.
2020-02-24 16:38:16 -05:00
src/liblzma/common/memcmplen.h
src/liblzma/common/outqueue.c
src/liblzma/common/outqueue.h
src/liblzma/common/stream_buffer_decoder.c
src/liblzma/common/stream_buffer_encoder.c
src/liblzma/common/stream_decoder.c
CMake: Add missing source file to liblzma build
2022-07-17 20:39:23 -04:00
src/liblzma/common/stream_decoder_mt.c
Build: Add very limited experimental CMake support. This does *NOT* replace the Autotools-based build system in the foreseeable future. See the comment in the beginning of CMakeLists.txt. So far this has been tested only on GNU/Linux but I commit it anyway to make it easier for others to test. Since I haven't played much with CMake before, it's likely that there are things that have been done in a silly or wrong way and need to be fixed.
2020-02-24 16:38:16 -05:00
src/liblzma/common/stream_decoder.h
src/liblzma/common/stream_encoder.c
src/liblzma/common/stream_encoder_mt.c
src/liblzma/common/stream_flags_common.c
src/liblzma/common/stream_flags_common.h
src/liblzma/common/stream_flags_decoder.c
src/liblzma/common/stream_flags_encoder.c
Build: Add string_conversion.c to CMake, DOS, and VS files.
2022-11-30 10:50:17 -05:00
src/liblzma/common/string_conversion.c
Build: Add very limited experimental CMake support. This does *NOT* replace the Autotools-based build system in the foreseeable future. See the comment in the beginning of CMakeLists.txt. So far this has been tested only on GNU/Linux but I commit it anyway to make it easier for others to test. Since I haven't played much with CMake before, it's likely that there are things that have been done in a silly or wrong way and need to be fixed.
2020-02-24 16:38:16 -05:00
src/liblzma/common/vli_decoder.c
src/liblzma/common/vli_encoder.c
src/liblzma/common/vli_size.c
src/liblzma/delta/delta_common.c
src/liblzma/delta/delta_common.h
src/liblzma/delta/delta_decoder.c
src/liblzma/delta/delta_decoder.h
src/liblzma/delta/delta_encoder.c
src/liblzma/delta/delta_encoder.h
src/liblzma/delta/delta_private.h
src/liblzma/lz/lz_decoder.c
src/liblzma/lz/lz_decoder.h
src/liblzma/lz/lz_encoder.c
src/liblzma/lz/lz_encoder.h
src/liblzma/lz/lz_encoder_hash.h
src/liblzma/lz/lz_encoder_hash_table.h
src/liblzma/lz/lz_encoder_mf.c
src/liblzma/lzma/fastpos.h
src/liblzma/lzma/fastpos_table.c
src/liblzma/lzma/lzma2_decoder.c
src/liblzma/lzma/lzma2_decoder.h
src/liblzma/lzma/lzma2_encoder.c
src/liblzma/lzma/lzma2_encoder.h
src/liblzma/lzma/lzma_common.h
src/liblzma/lzma/lzma_decoder.c
src/liblzma/lzma/lzma_decoder.h
src/liblzma/lzma/lzma_encoder.c
src/liblzma/lzma/lzma_encoder.h
src/liblzma/lzma/lzma_encoder_optimum_fast.c
src/liblzma/lzma/lzma_encoder_optimum_normal.c
src/liblzma/lzma/lzma_encoder_presets.c
src/liblzma/lzma/lzma_encoder_private.h
src/liblzma/rangecoder/price.h
src/liblzma/rangecoder/price_table.c
src/liblzma/rangecoder/range_common.h
src/liblzma/rangecoder/range_decoder.h
src/liblzma/rangecoder/range_encoder.h
src/liblzma/simple/arm.c
src/liblzma/simple/armthumb.c
liblzma: Add experimental ARM64 BCJ filter with a temporary Filter ID. That is, the Filter ID will be changed once the design is final. The current version will be removed. So files created with the tempoary Filter ID won't be supported in the future.
2022-09-19 12:34:56 -04:00
src/liblzma/simple/arm64.c
Build: Add very limited experimental CMake support. This does *NOT* replace the Autotools-based build system in the foreseeable future. See the comment in the beginning of CMakeLists.txt. So far this has been tested only on GNU/Linux but I commit it anyway to make it easier for others to test. Since I haven't played much with CMake before, it's likely that there are things that have been done in a silly or wrong way and need to be fixed.
2020-02-24 16:38:16 -05:00
src/liblzma/simple/ia64.c
src/liblzma/simple/powerpc.c
src/liblzma/simple/simple_coder.c
src/liblzma/simple/simple_coder.h
src/liblzma/simple/simple_decoder.c
src/liblzma/simple/simple_decoder.h
src/liblzma/simple/simple_encoder.c
src/liblzma/simple/simple_encoder.h
src/liblzma/simple/simple_private.h
src/liblzma/simple/sparc.c
src/liblzma/simple/x86.c
)
target_include_directories(liblzma PRIVATE
src/liblzma/api
src/liblzma/common
src/liblzma/check
src/liblzma/lz
src/liblzma/rangecoder
src/liblzma/lzma
src/liblzma/delta
src/liblzma/simple
src/common
)
target_link_libraries(liblzma Threads::Threads)
# Put the tuklib functions under the lzma_ namespace.
target_compile_definitions(liblzma PRIVATE TUKLIB_SYMBOL_PREFIX=lzma_)
tuklib_cpucores(liblzma)
tuklib_physmem(liblzma)
Build: Make CMake build fail if tuklib_cpucores or tuklib_physmem fails.
2020-02-27 13:58:52 -05:00
# While liblzma can be built without tuklib_cpucores or tuklib_physmem
# modules, the liblzma API functions lzma_cputhreads() and lzma_physmem()
# will then be useless (which isn't too bad but still unfortunate). Since
# I expect the CMake-based builds to be only used on systems that are
# supported by these tuklib modules, problems with these tuklib modules
# are considered a hard error for now. This hopefully helps to catch bugs
# in the CMake versions of the tuklib checks.
if(NOT TUKLIB_CPUCORES_FOUND OR NOT TUKLIB_PHYSMEM_FOUND)
# Use SEND_ERROR instead of FATAL_ERROR. If someone reports a bug,
# seeing the results of the remaining checks can be useful too.
message(SEND_ERROR
"tuklib_cpucores() or tuklib_physmem() failed. "
"Unless you really are building for a system where these "
"modules are not supported (unlikely), this is a bug in the "
"included cmake/tuklib_*.cmake files that should be fixed. "
"To build anyway, edit this CMakeLists.txt to ignore this error.")
endif()
liblzma: Use __attribute__((__constructor__)) if available. This uses it for CRC table initializations when using --disable-small. It avoids mythread_once() overhead. It also means that then --disable-small --disable-threads is thread-safe if this attribute is supported.
2022-11-14 09:00:52 -05:00
# Check for __attribute__((__constructor__)) support.
# This needs -Werror because some compilers just warn
# about this being unsupported.
cmake_push_check_state()
set(CMAKE_REQUIRED_FLAGS "-Werror")
check_c_source_compiles("
__attribute__((__constructor__))
static void my_constructor_func(void) { return; }
int main(void) { return 0; }
"
HAVE_FUNC_ATTRIBUTE_CONSTRUCTOR)
cmake_pop_check_state()
tuklib_add_definition_if(liblzma HAVE_FUNC_ATTRIBUTE_CONSTRUCTOR)
liblzma: Add fast CRC64 for 32/64-bit x86 using SSSE3 + SSE4.1 + CLMUL. It also works on E2K as it supports these intrinsics. On x86-64 runtime detection is used so the code keeps working on older processors too. A CLMUL-only build can be done by using -msse4.1 -mpclmul in CFLAGS and this will reduce the library size since the generic implementation and its 8 KiB lookup table will be omitted. On 32-bit x86 this isn't used by default for now because by default on 32-bit x86 the separate assembly file crc64_x86.S is used. If --disable-assembler is used then this new CLMUL code is used the same way as on 64-bit x86. However, a CLMUL-only build (-msse4.1 -mpclmul) won't omit the 8 KiB lookup table on 32-bit x86 due to a currently-missing check for disabled assembler usage. The configure.ac check should be such that the code won't be built if something in the toolchain doesn't support it but --disable-clmul-crc option can be used to unconditionally disable this feature. CLMUL speeds up decompression of files that have compressed very well (assuming CRC64 is used as a check type). It is know that the CLMUL code is significantly slower than the generic code for tiny inputs (especially 1-8 bytes but up to 16 bytes). If that is a real-world problem then there is already a commented-out variant that uses the generic version for small inputs. Thanks to Ilya Kurdyukov for the original patch which was derived from a white paper from Intel [1] (published in 2009) and public domain code from [2] (released in 2016). [1] https://www.intel.com/content/dam/www/public/us/en/documents/white-papers/fast-crc-computation-generic-polynomials-pclmulqdq-paper.pdf [2] https://github.com/rawrunprotected/crc
2022-11-14 14:34:57 -05:00
# cpuid.h
check_include_file(cpuid.h HAVE_CPUID_H)
tuklib_add_definition_if(liblzma HAVE_CPUID_H)
Build: Add very limited experimental CMake support. This does *NOT* replace the Autotools-based build system in the foreseeable future. See the comment in the beginning of CMakeLists.txt. So far this has been tested only on GNU/Linux but I commit it anyway to make it easier for others to test. Since I haven't played much with CMake before, it's likely that there are things that have been done in a silly or wrong way and need to be fixed.
2020-02-24 16:38:16 -05:00
# immintrin.h:
check_include_file(immintrin.h HAVE_IMMINTRIN_H)
if(HAVE_IMMINTRIN_H)
target_compile_definitions(liblzma PRIVATE HAVE_IMMINTRIN_H)
# SSE2 intrinsics:
check_c_source_compiles("
#include <immintrin.h>
int main(void)
{
__m128i x = { 0 };
_mm_movemask_epi8(x);
return 0;
}
"
HAVE__MM_MOVEMASK_EPI8)
tuklib_add_definition_if(liblzma HAVE__MM_MOVEMASK_EPI8)
liblzma: Add fast CRC64 for 32/64-bit x86 using SSSE3 + SSE4.1 + CLMUL. It also works on E2K as it supports these intrinsics. On x86-64 runtime detection is used so the code keeps working on older processors too. A CLMUL-only build can be done by using -msse4.1 -mpclmul in CFLAGS and this will reduce the library size since the generic implementation and its 8 KiB lookup table will be omitted. On 32-bit x86 this isn't used by default for now because by default on 32-bit x86 the separate assembly file crc64_x86.S is used. If --disable-assembler is used then this new CLMUL code is used the same way as on 64-bit x86. However, a CLMUL-only build (-msse4.1 -mpclmul) won't omit the 8 KiB lookup table on 32-bit x86 due to a currently-missing check for disabled assembler usage. The configure.ac check should be such that the code won't be built if something in the toolchain doesn't support it but --disable-clmul-crc option can be used to unconditionally disable this feature. CLMUL speeds up decompression of files that have compressed very well (assuming CRC64 is used as a check type). It is know that the CLMUL code is significantly slower than the generic code for tiny inputs (especially 1-8 bytes but up to 16 bytes). If that is a real-world problem then there is already a commented-out variant that uses the generic version for small inputs. Thanks to Ilya Kurdyukov for the original patch which was derived from a white paper from Intel [1] (published in 2009) and public domain code from [2] (released in 2016). [1] https://www.intel.com/content/dam/www/public/us/en/documents/white-papers/fast-crc-computation-generic-polynomials-pclmulqdq-paper.pdf [2] https://github.com/rawrunprotected/crc
2022-11-14 14:34:57 -05:00
# CLMUL intrinsic:
check_c_source_compiles("
#include <immintrin.h>
#if defined(__e2k__) && __iset__ < 6
# error
#endif
#if (defined(__GNUC__) || defined(__clang__)) && !defined(__EDG__)
__attribute__((__target__(\"ssse3,sse4.1,pclmul\")))
#endif
Build: Require that _mm_set_epi64x() is usable to enable CLMUL support. VS2013 doesn't have _mm_set_epi64x() so this way CLMUL gets disabled with VS2013. Thanks to Iouri Kharon for the bug report.
2023-01-07 12:31:15 -05:00
__m128i my_clmul(__m128i a)
liblzma: Add fast CRC64 for 32/64-bit x86 using SSSE3 + SSE4.1 + CLMUL. It also works on E2K as it supports these intrinsics. On x86-64 runtime detection is used so the code keeps working on older processors too. A CLMUL-only build can be done by using -msse4.1 -mpclmul in CFLAGS and this will reduce the library size since the generic implementation and its 8 KiB lookup table will be omitted. On 32-bit x86 this isn't used by default for now because by default on 32-bit x86 the separate assembly file crc64_x86.S is used. If --disable-assembler is used then this new CLMUL code is used the same way as on 64-bit x86. However, a CLMUL-only build (-msse4.1 -mpclmul) won't omit the 8 KiB lookup table on 32-bit x86 due to a currently-missing check for disabled assembler usage. The configure.ac check should be such that the code won't be built if something in the toolchain doesn't support it but --disable-clmul-crc option can be used to unconditionally disable this feature. CLMUL speeds up decompression of files that have compressed very well (assuming CRC64 is used as a check type). It is know that the CLMUL code is significantly slower than the generic code for tiny inputs (especially 1-8 bytes but up to 16 bytes). If that is a real-world problem then there is already a commented-out variant that uses the generic version for small inputs. Thanks to Ilya Kurdyukov for the original patch which was derived from a white paper from Intel [1] (published in 2009) and public domain code from [2] (released in 2016). [1] https://www.intel.com/content/dam/www/public/us/en/documents/white-papers/fast-crc-computation-generic-polynomials-pclmulqdq-paper.pdf [2] https://github.com/rawrunprotected/crc
2022-11-14 14:34:57 -05:00
{
Build: Require that _mm_set_epi64x() is usable to enable CLMUL support. VS2013 doesn't have _mm_set_epi64x() so this way CLMUL gets disabled with VS2013. Thanks to Iouri Kharon for the bug report.
2023-01-07 12:31:15 -05:00
const __m128i b = _mm_set_epi64x(1, 2);
liblzma: Add fast CRC64 for 32/64-bit x86 using SSSE3 + SSE4.1 + CLMUL. It also works on E2K as it supports these intrinsics. On x86-64 runtime detection is used so the code keeps working on older processors too. A CLMUL-only build can be done by using -msse4.1 -mpclmul in CFLAGS and this will reduce the library size since the generic implementation and its 8 KiB lookup table will be omitted. On 32-bit x86 this isn't used by default for now because by default on 32-bit x86 the separate assembly file crc64_x86.S is used. If --disable-assembler is used then this new CLMUL code is used the same way as on 64-bit x86. However, a CLMUL-only build (-msse4.1 -mpclmul) won't omit the 8 KiB lookup table on 32-bit x86 due to a currently-missing check for disabled assembler usage. The configure.ac check should be such that the code won't be built if something in the toolchain doesn't support it but --disable-clmul-crc option can be used to unconditionally disable this feature. CLMUL speeds up decompression of files that have compressed very well (assuming CRC64 is used as a check type). It is know that the CLMUL code is significantly slower than the generic code for tiny inputs (especially 1-8 bytes but up to 16 bytes). If that is a real-world problem then there is already a commented-out variant that uses the generic version for small inputs. Thanks to Ilya Kurdyukov for the original patch which was derived from a white paper from Intel [1] (published in 2009) and public domain code from [2] (released in 2016). [1] https://www.intel.com/content/dam/www/public/us/en/documents/white-papers/fast-crc-computation-generic-polynomials-pclmulqdq-paper.pdf [2] https://github.com/rawrunprotected/crc
2022-11-14 14:34:57 -05:00
return _mm_clmulepi64_si128(a, b, 0);
}
int main(void) { return 0; }
"
HAVE_USABLE_CLMUL)
tuklib_add_definition_if(liblzma HAVE_USABLE_CLMUL)
Build: Add very limited experimental CMake support. This does *NOT* replace the Autotools-based build system in the foreseeable future. See the comment in the beginning of CMakeLists.txt. So far this has been tested only on GNU/Linux but I commit it anyway to make it easier for others to test. Since I haven't played much with CMake before, it's likely that there are things that have been done in a silly or wrong way and need to be fixed.
2020-02-24 16:38:16 -05:00
endif()
# Support -fvisiblity=hidden when building shared liblzma.
# These lines do nothing on Windows (even under Cygwin).
# HAVE_VISIBILITY should always be defined to 0 or 1.
if(BUILD_SHARED_LIBS)
set_target_properties(liblzma PROPERTIES C_VISIBILITY_PRESET hidden)
target_compile_definitions(liblzma PRIVATE HAVE_VISIBILITY=1)
else()
target_compile_definitions(liblzma PRIVATE HAVE_VISIBILITY=0)
endif()
if(WIN32)
if(BUILD_SHARED_LIBS)
# Add the Windows resource file for liblzma.dll.
target_sources(liblzma PRIVATE src/liblzma/liblzma_w32res.rc)
CMake: Update for liblzma_*.map files and fix wrong common_w32res.rc dep. The previous commit split liblzma.map into liblzma_linux.map and liblzma_generic.map. This commit updates the CMake build for those. common_w32res.rc dependency was listed under Linux/FreeBSD while obviously it belongs to Windows when building a DLL.
2022-09-08 08:02:41 -04:00
set_target_properties(liblzma PROPERTIES
LINK_DEPENDS "${CMAKE_CURRENT_SOURCE_DIR}/src/common/common_w32res.rc"
)
Build: Add very limited experimental CMake support. This does *NOT* replace the Autotools-based build system in the foreseeable future. See the comment in the beginning of CMakeLists.txt. So far this has been tested only on GNU/Linux but I commit it anyway to make it easier for others to test. Since I haven't played much with CMake before, it's likely that there are things that have been done in a silly or wrong way and need to be fixed.
2020-02-24 16:38:16 -05:00
# Export the public API symbols with __declspec(dllexport).
target_compile_definitions(liblzma PRIVATE DLL_EXPORT)
else()
# Disable __declspec(dllimport) when linking against static liblzma.
target_compile_definitions(liblzma INTERFACE LZMA_API_STATIC)
endif()
CMake: Don't use symbol versioning with static library.
2022-11-23 17:02:31 -05:00
elseif(BUILD_SHARED_LIBS AND CMAKE_SYSTEM_NAME STREQUAL "Linux")
CMake: Update for liblzma_*.map files and fix wrong common_w32res.rc dep. The previous commit split liblzma.map into liblzma_linux.map and liblzma_generic.map. This commit updates the CMake build for those. common_w32res.rc dependency was listed under Linux/FreeBSD while obviously it belongs to Windows when building a DLL.
2022-09-08 08:02:41 -04:00
# GNU/Linux-specific symbol versioning for shared liblzma.
CMake: Don't use symbol versioning with static library.
2022-11-23 17:02:31 -05:00
# Note that adding link options doesn't affect static builds
# but HAVE_SYMBOL_VERSIONS_LINUX must not be used with static builds
# because it would put symbol versions into the static library which
# can cause problems. It's clearer if all symver related things are
# omitted when not building a shared library.
Build: Don't put GNU/Linux-specific symbol versions into static liblzma. It not only makes no sense to put symbol versions into a static library but it can also cause breakage. By default Libtool #defines PIC if building a shared library and doesn't define it for static libraries. This is documented in the Libtool manual. It can be overriden using --with-pic or --without-pic. configure.ac detects if --with-pic or --without-pic is used and then gives an error if neither --disable-shared nor --disable-static was used at the same time. Thus, in normal situations it works to build both shared and static library at the same time on GNU/Linux, only --with-pic or --without-pic requires that only one type of library is built. Thanks to John Paul Adrian Glaubitz from Debian for reporting the problem that occurred on ia64: https://www.mail-archive.com/xz-devel@tukaani.org/msg00610.html
2022-11-24 07:52:44 -05:00
#
# NOTE: Set it explicitly to 1 to make it clear that versioning is
# done unconditionally in the C files.
target_compile_definitions(liblzma PRIVATE HAVE_SYMBOL_VERSIONS_LINUX=1)
CMake: Update for liblzma_*.map files and fix wrong common_w32res.rc dep. The previous commit split liblzma.map into liblzma_linux.map and liblzma_generic.map. This commit updates the CMake build for those. common_w32res.rc dependency was listed under Linux/FreeBSD while obviously it belongs to Windows when building a DLL.
2022-09-08 08:02:41 -04:00
target_link_options(liblzma PRIVATE
"-Wl,--version-script=${CMAKE_CURRENT_SOURCE_DIR}/src/liblzma/liblzma_linux.map"
)
set_target_properties(liblzma PROPERTIES
LINK_DEPENDS "${CMAKE_CURRENT_SOURCE_DIR}/src/liblzma/liblzma_linux.map"
)
CMake: Don't use symbol versioning with static library.
2022-11-23 17:02:31 -05:00
elseif(BUILD_SHARED_LIBS AND CMAKE_SYSTEM_NAME STREQUAL "FreeBSD")
CMake: Update for liblzma_*.map files and fix wrong common_w32res.rc dep. The previous commit split liblzma.map into liblzma_linux.map and liblzma_generic.map. This commit updates the CMake build for those. common_w32res.rc dependency was listed under Linux/FreeBSD while obviously it belongs to Windows when building a DLL.
2022-09-08 08:02:41 -04:00
# Symbol versioning for shared liblzma for non-GNU/Linux.
# FIXME? What about Solaris?
Build: Add very limited experimental CMake support. This does *NOT* replace the Autotools-based build system in the foreseeable future. See the comment in the beginning of CMakeLists.txt. So far this has been tested only on GNU/Linux but I commit it anyway to make it easier for others to test. Since I haven't played much with CMake before, it's likely that there are things that have been done in a silly or wrong way and need to be fixed.
2020-02-24 16:38:16 -05:00
target_link_options(liblzma PRIVATE
CMake: Update for liblzma_*.map files and fix wrong common_w32res.rc dep. The previous commit split liblzma.map into liblzma_linux.map and liblzma_generic.map. This commit updates the CMake build for those. common_w32res.rc dependency was listed under Linux/FreeBSD while obviously it belongs to Windows when building a DLL.
2022-09-08 08:02:41 -04:00
"-Wl,--version-script=${CMAKE_CURRENT_SOURCE_DIR}/src/liblzma/liblzma_generic.map"
Build: Add very limited experimental CMake support. This does *NOT* replace the Autotools-based build system in the foreseeable future. See the comment in the beginning of CMakeLists.txt. So far this has been tested only on GNU/Linux but I commit it anyway to make it easier for others to test. Since I haven't played much with CMake before, it's likely that there are things that have been done in a silly or wrong way and need to be fixed.
2020-02-24 16:38:16 -05:00
)
set_target_properties(liblzma PROPERTIES
CMake: Update for liblzma_*.map files and fix wrong common_w32res.rc dep. The previous commit split liblzma.map into liblzma_linux.map and liblzma_generic.map. This commit updates the CMake build for those. common_w32res.rc dependency was listed under Linux/FreeBSD while obviously it belongs to Windows when building a DLL.
2022-09-08 08:02:41 -04:00
LINK_DEPENDS "${CMAKE_CURRENT_SOURCE_DIR}/src/liblzma/liblzma_generic.map"
Build: Add very limited experimental CMake support. This does *NOT* replace the Autotools-based build system in the foreseeable future. See the comment in the beginning of CMakeLists.txt. So far this has been tested only on GNU/Linux but I commit it anyway to make it easier for others to test. Since I haven't played much with CMake before, it's likely that there are things that have been done in a silly or wrong way and need to be fixed.
2020-02-24 16:38:16 -05:00
)
endif()
set_target_properties(liblzma PROPERTIES
# At least for now the package versioning matches the rules used for
# shared library versioning (excluding development releases) so it is
# fine to use the package version here.
Build: Fix bugs in the CMake files. Seems that the phrase "add more quotes" from sh/bash scripting applies to CMake as well. E.g. passing an unquoted list ${FOO} to a function that expects one argument results in only the first element of the list being passed as an argument and the rest get ignored. Adding quotes helps ("${FOO}"). list(INSERT ...) is weird. Inserting an empty string to an empty variable results in empty list, but inserting it to a non-empty variable does insert an empty element to the list. Since INSERT requires at least one element, "${CMAKE_THREAD_LIBS_INIT}" needs to be quoted in CMakeLists.txt. It might result in an empty element in the list. It seems to not matter as empty elements consistently get ignored in that variable. In fact, calling cmake_check_push_state() and cmake_check_pop_state() will strip the empty elements from CMAKE_REQUIRED_LIBRARIES! In addition to quoting fixes, this fixes checks for the cache variables in tuklib_cpucores.cmake and tuklib_physmem.cmake. Thanks to Martin Matuška for testing and reporting the problems. These fixes aren't tested yet but hopefully they soon will be.
2020-02-25 13:42:31 -05:00
SOVERSION "${xz_VERSION_MAJOR}"
VERSION "${xz_VERSION}"
Build: Add very limited experimental CMake support. This does *NOT* replace the Autotools-based build system in the foreseeable future. See the comment in the beginning of CMakeLists.txt. So far this has been tested only on GNU/Linux but I commit it anyway to make it easier for others to test. Since I haven't played much with CMake before, it's likely that there are things that have been done in a silly or wrong way and need to be fixed.
2020-02-24 16:38:16 -05:00
# It's liblzma.so or liblzma.dll, not libliblzma.so or lzma.dll.
# Avoid the name lzma.dll because it would conflict with LZMA SDK.
PREFIX ""
)
CMake: Try to improve compatibility with the FindLibLZMA module. The naming conflict with FindLibLZMA module gets worse. Not avoiding it in the first place was stupid. Normally find_package(LibLZMA) will use the module and find_package(liblzma 5.2.5 REQUIRED CONFIG) will use the config file even with a case insensitive file system. However, if CMAKE_FIND_PACKAGE_PREFER_CONFIG is TRUE and the file system is case insensitive, find_package(LibLZMA) will find our liblzma config file instead of using FindLibLZMA module. One big problem with this is that FindLibLZMA uses LibLZMA::LibLZMA and we use liblzma::liblzma as the target name. With target names CMake happens to be case sensitive. To workaround this, this commit adds add_library(LibLZMA::LibLZMA ALIAS liblzma::liblzma) to the config file. Then both spellings work. To make the behavior consistent between case sensitive and insensitive file systems, the config and related files are renamed from liblzmaConfig.cmake to liblzma-config.cmake style. With this style CMake looks for lowercase version of the package name so find_package(LiBLzmA 5.2.5 REQUIRED CONFIG) will work to find our config file. There are other differences between our config file and FindLibLZMA so it's still possible that things break for reasons other than the spelling of the target name. Hopefully those situations aren't too common. When the config file is available, it should always give as good or better results as FindLibLZMA so this commit doesn't affect the recommendation to use find_package(liblzma 5.2.5 REQUIRED CONFIG) which explicitly avoids FindLibLZMA. Thanks to Markus Rickert.
2021-01-30 11:36:04 -05:00
# Create liblzma-config-version.cmake. We use this spelling instead of
# liblzmaConfig.cmake to make find_package work in case insensitive manner
# even with case sensitive file systems. This gives more consistent behavior
# between operating systems.
Build: Add very limited experimental CMake support. This does *NOT* replace the Autotools-based build system in the foreseeable future. See the comment in the beginning of CMakeLists.txt. So far this has been tested only on GNU/Linux but I commit it anyway to make it easier for others to test. Since I haven't played much with CMake before, it's likely that there are things that have been done in a silly or wrong way and need to be fixed.
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#
# FIXME: SameMajorVersion is correct for stable releases but it is wrong
# for development releases where each release may have incompatible changes.
include(CMakePackageConfigHelpers)
write_basic_package_version_file(
CMake: Try to improve compatibility with the FindLibLZMA module. The naming conflict with FindLibLZMA module gets worse. Not avoiding it in the first place was stupid. Normally find_package(LibLZMA) will use the module and find_package(liblzma 5.2.5 REQUIRED CONFIG) will use the config file even with a case insensitive file system. However, if CMAKE_FIND_PACKAGE_PREFER_CONFIG is TRUE and the file system is case insensitive, find_package(LibLZMA) will find our liblzma config file instead of using FindLibLZMA module. One big problem with this is that FindLibLZMA uses LibLZMA::LibLZMA and we use liblzma::liblzma as the target name. With target names CMake happens to be case sensitive. To workaround this, this commit adds add_library(LibLZMA::LibLZMA ALIAS liblzma::liblzma) to the config file. Then both spellings work. To make the behavior consistent between case sensitive and insensitive file systems, the config and related files are renamed from liblzmaConfig.cmake to liblzma-config.cmake style. With this style CMake looks for lowercase version of the package name so find_package(LiBLzmA 5.2.5 REQUIRED CONFIG) will work to find our config file. There are other differences between our config file and FindLibLZMA so it's still possible that things break for reasons other than the spelling of the target name. Hopefully those situations aren't too common. When the config file is available, it should always give as good or better results as FindLibLZMA so this commit doesn't affect the recommendation to use find_package(liblzma 5.2.5 REQUIRED CONFIG) which explicitly avoids FindLibLZMA. Thanks to Markus Rickert.
2021-01-30 11:36:04 -05:00
"${CMAKE_CURRENT_BINARY_DIR}/liblzma-config-version.cmake"
Build: Fix bugs in the CMake files. Seems that the phrase "add more quotes" from sh/bash scripting applies to CMake as well. E.g. passing an unquoted list ${FOO} to a function that expects one argument results in only the first element of the list being passed as an argument and the rest get ignored. Adding quotes helps ("${FOO}"). list(INSERT ...) is weird. Inserting an empty string to an empty variable results in empty list, but inserting it to a non-empty variable does insert an empty element to the list. Since INSERT requires at least one element, "${CMAKE_THREAD_LIBS_INIT}" needs to be quoted in CMakeLists.txt. It might result in an empty element in the list. It seems to not matter as empty elements consistently get ignored in that variable. In fact, calling cmake_check_push_state() and cmake_check_pop_state() will strip the empty elements from CMAKE_REQUIRED_LIBRARIES! In addition to quoting fixes, this fixes checks for the cache variables in tuklib_cpucores.cmake and tuklib_physmem.cmake. Thanks to Martin Matuška for testing and reporting the problems. These fixes aren't tested yet but hopefully they soon will be.
2020-02-25 13:42:31 -05:00
VERSION "${liblzma_VERSION}"
Build: Add very limited experimental CMake support. This does *NOT* replace the Autotools-based build system in the foreseeable future. See the comment in the beginning of CMakeLists.txt. So far this has been tested only on GNU/Linux but I commit it anyway to make it easier for others to test. Since I haven't played much with CMake before, it's likely that there are things that have been done in a silly or wrong way and need to be fixed.
2020-02-24 16:38:16 -05:00
COMPATIBILITY SameMajorVersion)
CMake: Try to improve compatibility with the FindLibLZMA module. The naming conflict with FindLibLZMA module gets worse. Not avoiding it in the first place was stupid. Normally find_package(LibLZMA) will use the module and find_package(liblzma 5.2.5 REQUIRED CONFIG) will use the config file even with a case insensitive file system. However, if CMAKE_FIND_PACKAGE_PREFER_CONFIG is TRUE and the file system is case insensitive, find_package(LibLZMA) will find our liblzma config file instead of using FindLibLZMA module. One big problem with this is that FindLibLZMA uses LibLZMA::LibLZMA and we use liblzma::liblzma as the target name. With target names CMake happens to be case sensitive. To workaround this, this commit adds add_library(LibLZMA::LibLZMA ALIAS liblzma::liblzma) to the config file. Then both spellings work. To make the behavior consistent between case sensitive and insensitive file systems, the config and related files are renamed from liblzmaConfig.cmake to liblzma-config.cmake style. With this style CMake looks for lowercase version of the package name so find_package(LiBLzmA 5.2.5 REQUIRED CONFIG) will work to find our config file. There are other differences between our config file and FindLibLZMA so it's still possible that things break for reasons other than the spelling of the target name. Hopefully those situations aren't too common. When the config file is available, it should always give as good or better results as FindLibLZMA so this commit doesn't affect the recommendation to use find_package(liblzma 5.2.5 REQUIRED CONFIG) which explicitly avoids FindLibLZMA. Thanks to Markus Rickert.
2021-01-30 11:36:04 -05:00
# Create liblzma-config.cmake.
file(WRITE "${CMAKE_CURRENT_BINARY_DIR}/liblzma-config.cmake"
Build: Add very limited experimental CMake support. This does *NOT* replace the Autotools-based build system in the foreseeable future. See the comment in the beginning of CMakeLists.txt. So far this has been tested only on GNU/Linux but I commit it anyway to make it easier for others to test. Since I haven't played much with CMake before, it's likely that there are things that have been done in a silly or wrong way and need to be fixed.
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"include(CMakeFindDependencyMacro)
set(THREADS_PREFER_PTHREAD_FLAG TRUE)
find_dependency(Threads)
CMake: Use interface library for better FindLibLZMA compatibility. https://www.mail-archive.com/xz-devel@tukaani.org/msg00446.html Thanks to Markus Rickert.
2021-02-13 16:31:27 -05:00
CMake: Try to improve compatibility with the FindLibLZMA module. The naming conflict with FindLibLZMA module gets worse. Not avoiding it in the first place was stupid. Normally find_package(LibLZMA) will use the module and find_package(liblzma 5.2.5 REQUIRED CONFIG) will use the config file even with a case insensitive file system. However, if CMAKE_FIND_PACKAGE_PREFER_CONFIG is TRUE and the file system is case insensitive, find_package(LibLZMA) will find our liblzma config file instead of using FindLibLZMA module. One big problem with this is that FindLibLZMA uses LibLZMA::LibLZMA and we use liblzma::liblzma as the target name. With target names CMake happens to be case sensitive. To workaround this, this commit adds add_library(LibLZMA::LibLZMA ALIAS liblzma::liblzma) to the config file. Then both spellings work. To make the behavior consistent between case sensitive and insensitive file systems, the config and related files are renamed from liblzmaConfig.cmake to liblzma-config.cmake style. With this style CMake looks for lowercase version of the package name so find_package(LiBLzmA 5.2.5 REQUIRED CONFIG) will work to find our config file. There are other differences between our config file and FindLibLZMA so it's still possible that things break for reasons other than the spelling of the target name. Hopefully those situations aren't too common. When the config file is available, it should always give as good or better results as FindLibLZMA so this commit doesn't affect the recommendation to use find_package(liblzma 5.2.5 REQUIRED CONFIG) which explicitly avoids FindLibLZMA. Thanks to Markus Rickert.
2021-01-30 11:36:04 -05:00
include(\"\${CMAKE_CURRENT_LIST_DIR}/liblzma-targets.cmake\")
CMake: Use interface library for better FindLibLZMA compatibility. https://www.mail-archive.com/xz-devel@tukaani.org/msg00446.html Thanks to Markus Rickert.
2021-02-13 16:31:27 -05:00
# Be compatible with the spelling used by the FindLibLZMA module. This
# doesn't use ALIAS because it would make CMake resolve LibLZMA::LibLZMA
# to liblzma::liblzma instead of keeping the original spelling. Keeping
# the original spelling is important for good FindLibLZMA compatibility.
add_library(LibLZMA::LibLZMA INTERFACE IMPORTED)
set_target_properties(LibLZMA::LibLZMA PROPERTIES
INTERFACE_LINK_LIBRARIES liblzma::liblzma)
Build: Add very limited experimental CMake support. This does *NOT* replace the Autotools-based build system in the foreseeable future. See the comment in the beginning of CMakeLists.txt. So far this has been tested only on GNU/Linux but I commit it anyway to make it easier for others to test. Since I haven't played much with CMake before, it's likely that there are things that have been done in a silly or wrong way and need to be fixed.
2020-02-24 16:38:16 -05:00
")
# Set CMAKE_INSTALL_LIBDIR and friends.
include(GNUInstallDirs)
# Install the library binary. The INCLUDES specifies the include path that
# is exported for other projects to use but it doesn't install any files.
install(TARGETS liblzma EXPORT liblzmaTargets
Build: Fix bugs in the CMake files. Seems that the phrase "add more quotes" from sh/bash scripting applies to CMake as well. E.g. passing an unquoted list ${FOO} to a function that expects one argument results in only the first element of the list being passed as an argument and the rest get ignored. Adding quotes helps ("${FOO}"). list(INSERT ...) is weird. Inserting an empty string to an empty variable results in empty list, but inserting it to a non-empty variable does insert an empty element to the list. Since INSERT requires at least one element, "${CMAKE_THREAD_LIBS_INIT}" needs to be quoted in CMakeLists.txt. It might result in an empty element in the list. It seems to not matter as empty elements consistently get ignored in that variable. In fact, calling cmake_check_push_state() and cmake_check_pop_state() will strip the empty elements from CMAKE_REQUIRED_LIBRARIES! In addition to quoting fixes, this fixes checks for the cache variables in tuklib_cpucores.cmake and tuklib_physmem.cmake. Thanks to Martin Matuška for testing and reporting the problems. These fixes aren't tested yet but hopefully they soon will be.
2020-02-25 13:42:31 -05:00
RUNTIME DESTINATION "${CMAKE_INSTALL_BINDIR}"
Build: Add very limited experimental CMake support. This does *NOT* replace the Autotools-based build system in the foreseeable future. See the comment in the beginning of CMakeLists.txt. So far this has been tested only on GNU/Linux but I commit it anyway to make it easier for others to test. Since I haven't played much with CMake before, it's likely that there are things that have been done in a silly or wrong way and need to be fixed.
2020-02-24 16:38:16 -05:00
COMPONENT liblzma_Runtime
Build: Fix bugs in the CMake files. Seems that the phrase "add more quotes" from sh/bash scripting applies to CMake as well. E.g. passing an unquoted list ${FOO} to a function that expects one argument results in only the first element of the list being passed as an argument and the rest get ignored. Adding quotes helps ("${FOO}"). list(INSERT ...) is weird. Inserting an empty string to an empty variable results in empty list, but inserting it to a non-empty variable does insert an empty element to the list. Since INSERT requires at least one element, "${CMAKE_THREAD_LIBS_INIT}" needs to be quoted in CMakeLists.txt. It might result in an empty element in the list. It seems to not matter as empty elements consistently get ignored in that variable. In fact, calling cmake_check_push_state() and cmake_check_pop_state() will strip the empty elements from CMAKE_REQUIRED_LIBRARIES! In addition to quoting fixes, this fixes checks for the cache variables in tuklib_cpucores.cmake and tuklib_physmem.cmake. Thanks to Martin Matuška for testing and reporting the problems. These fixes aren't tested yet but hopefully they soon will be.
2020-02-25 13:42:31 -05:00
LIBRARY DESTINATION "${CMAKE_INSTALL_LIBDIR}"
Build: Add very limited experimental CMake support. This does *NOT* replace the Autotools-based build system in the foreseeable future. See the comment in the beginning of CMakeLists.txt. So far this has been tested only on GNU/Linux but I commit it anyway to make it easier for others to test. Since I haven't played much with CMake before, it's likely that there are things that have been done in a silly or wrong way and need to be fixed.
2020-02-24 16:38:16 -05:00
COMPONENT liblzma_Runtime
NAMELINK_COMPONENT liblzma_Development
Build: Fix bugs in the CMake files. Seems that the phrase "add more quotes" from sh/bash scripting applies to CMake as well. E.g. passing an unquoted list ${FOO} to a function that expects one argument results in only the first element of the list being passed as an argument and the rest get ignored. Adding quotes helps ("${FOO}"). list(INSERT ...) is weird. Inserting an empty string to an empty variable results in empty list, but inserting it to a non-empty variable does insert an empty element to the list. Since INSERT requires at least one element, "${CMAKE_THREAD_LIBS_INIT}" needs to be quoted in CMakeLists.txt. It might result in an empty element in the list. It seems to not matter as empty elements consistently get ignored in that variable. In fact, calling cmake_check_push_state() and cmake_check_pop_state() will strip the empty elements from CMAKE_REQUIRED_LIBRARIES! In addition to quoting fixes, this fixes checks for the cache variables in tuklib_cpucores.cmake and tuklib_physmem.cmake. Thanks to Martin Matuška for testing and reporting the problems. These fixes aren't tested yet but hopefully they soon will be.
2020-02-25 13:42:31 -05:00
ARCHIVE DESTINATION "${CMAKE_INSTALL_LIBDIR}"
Build: Add very limited experimental CMake support. This does *NOT* replace the Autotools-based build system in the foreseeable future. See the comment in the beginning of CMakeLists.txt. So far this has been tested only on GNU/Linux but I commit it anyway to make it easier for others to test. Since I haven't played much with CMake before, it's likely that there are things that have been done in a silly or wrong way and need to be fixed.
2020-02-24 16:38:16 -05:00
COMPONENT liblzma_Development
Build: Fix bugs in the CMake files. Seems that the phrase "add more quotes" from sh/bash scripting applies to CMake as well. E.g. passing an unquoted list ${FOO} to a function that expects one argument results in only the first element of the list being passed as an argument and the rest get ignored. Adding quotes helps ("${FOO}"). list(INSERT ...) is weird. Inserting an empty string to an empty variable results in empty list, but inserting it to a non-empty variable does insert an empty element to the list. Since INSERT requires at least one element, "${CMAKE_THREAD_LIBS_INIT}" needs to be quoted in CMakeLists.txt. It might result in an empty element in the list. It seems to not matter as empty elements consistently get ignored in that variable. In fact, calling cmake_check_push_state() and cmake_check_pop_state() will strip the empty elements from CMAKE_REQUIRED_LIBRARIES! In addition to quoting fixes, this fixes checks for the cache variables in tuklib_cpucores.cmake and tuklib_physmem.cmake. Thanks to Martin Matuška for testing and reporting the problems. These fixes aren't tested yet but hopefully they soon will be.
2020-02-25 13:42:31 -05:00
INCLUDES DESTINATION "${CMAKE_INSTALL_INCLUDEDIR}")
Build: Add very limited experimental CMake support. This does *NOT* replace the Autotools-based build system in the foreseeable future. See the comment in the beginning of CMakeLists.txt. So far this has been tested only on GNU/Linux but I commit it anyway to make it easier for others to test. Since I haven't played much with CMake before, it's likely that there are things that have been done in a silly or wrong way and need to be fixed.
2020-02-24 16:38:16 -05:00
# Install the liblzma API headers. These use a subdirectory so
# this has to be done as a separate step.
install(DIRECTORY src/liblzma/api/
COMPONENT liblzma_Development
Build: Fix bugs in the CMake files. Seems that the phrase "add more quotes" from sh/bash scripting applies to CMake as well. E.g. passing an unquoted list ${FOO} to a function that expects one argument results in only the first element of the list being passed as an argument and the rest get ignored. Adding quotes helps ("${FOO}"). list(INSERT ...) is weird. Inserting an empty string to an empty variable results in empty list, but inserting it to a non-empty variable does insert an empty element to the list. Since INSERT requires at least one element, "${CMAKE_THREAD_LIBS_INIT}" needs to be quoted in CMakeLists.txt. It might result in an empty element in the list. It seems to not matter as empty elements consistently get ignored in that variable. In fact, calling cmake_check_push_state() and cmake_check_pop_state() will strip the empty elements from CMAKE_REQUIRED_LIBRARIES! In addition to quoting fixes, this fixes checks for the cache variables in tuklib_cpucores.cmake and tuklib_physmem.cmake. Thanks to Martin Matuška for testing and reporting the problems. These fixes aren't tested yet but hopefully they soon will be.
2020-02-25 13:42:31 -05:00
DESTINATION "${CMAKE_INSTALL_INCLUDEDIR}"
Build: Add very limited experimental CMake support. This does *NOT* replace the Autotools-based build system in the foreseeable future. See the comment in the beginning of CMakeLists.txt. So far this has been tested only on GNU/Linux but I commit it anyway to make it easier for others to test. Since I haven't played much with CMake before, it's likely that there are things that have been done in a silly or wrong way and need to be fixed.
2020-02-24 16:38:16 -05:00
FILES_MATCHING PATTERN "*.h")
# Install the CMake files that other packages can use to find liblzma.
set(liblzma_INSTALL_CMAKEDIR
Build: Fix bugs in the CMake files. Seems that the phrase "add more quotes" from sh/bash scripting applies to CMake as well. E.g. passing an unquoted list ${FOO} to a function that expects one argument results in only the first element of the list being passed as an argument and the rest get ignored. Adding quotes helps ("${FOO}"). list(INSERT ...) is weird. Inserting an empty string to an empty variable results in empty list, but inserting it to a non-empty variable does insert an empty element to the list. Since INSERT requires at least one element, "${CMAKE_THREAD_LIBS_INIT}" needs to be quoted in CMakeLists.txt. It might result in an empty element in the list. It seems to not matter as empty elements consistently get ignored in that variable. In fact, calling cmake_check_push_state() and cmake_check_pop_state() will strip the empty elements from CMAKE_REQUIRED_LIBRARIES! In addition to quoting fixes, this fixes checks for the cache variables in tuklib_cpucores.cmake and tuklib_physmem.cmake. Thanks to Martin Matuška for testing and reporting the problems. These fixes aren't tested yet but hopefully they soon will be.
2020-02-25 13:42:31 -05:00
"${CMAKE_INSTALL_LIBDIR}/cmake/liblzma"
Build: Add very limited experimental CMake support. This does *NOT* replace the Autotools-based build system in the foreseeable future. See the comment in the beginning of CMakeLists.txt. So far this has been tested only on GNU/Linux but I commit it anyway to make it easier for others to test. Since I haven't played much with CMake before, it's likely that there are things that have been done in a silly or wrong way and need to be fixed.
2020-02-24 16:38:16 -05:00
CACHE STRING "Path to liblzma's .cmake files")
install(EXPORT liblzmaTargets
NAMESPACE liblzma::
CMake: Try to improve compatibility with the FindLibLZMA module. The naming conflict with FindLibLZMA module gets worse. Not avoiding it in the first place was stupid. Normally find_package(LibLZMA) will use the module and find_package(liblzma 5.2.5 REQUIRED CONFIG) will use the config file even with a case insensitive file system. However, if CMAKE_FIND_PACKAGE_PREFER_CONFIG is TRUE and the file system is case insensitive, find_package(LibLZMA) will find our liblzma config file instead of using FindLibLZMA module. One big problem with this is that FindLibLZMA uses LibLZMA::LibLZMA and we use liblzma::liblzma as the target name. With target names CMake happens to be case sensitive. To workaround this, this commit adds add_library(LibLZMA::LibLZMA ALIAS liblzma::liblzma) to the config file. Then both spellings work. To make the behavior consistent between case sensitive and insensitive file systems, the config and related files are renamed from liblzmaConfig.cmake to liblzma-config.cmake style. With this style CMake looks for lowercase version of the package name so find_package(LiBLzmA 5.2.5 REQUIRED CONFIG) will work to find our config file. There are other differences between our config file and FindLibLZMA so it's still possible that things break for reasons other than the spelling of the target name. Hopefully those situations aren't too common. When the config file is available, it should always give as good or better results as FindLibLZMA so this commit doesn't affect the recommendation to use find_package(liblzma 5.2.5 REQUIRED CONFIG) which explicitly avoids FindLibLZMA. Thanks to Markus Rickert.
2021-01-30 11:36:04 -05:00
FILE liblzma-targets.cmake
Build: Fix bugs in the CMake files. Seems that the phrase "add more quotes" from sh/bash scripting applies to CMake as well. E.g. passing an unquoted list ${FOO} to a function that expects one argument results in only the first element of the list being passed as an argument and the rest get ignored. Adding quotes helps ("${FOO}"). list(INSERT ...) is weird. Inserting an empty string to an empty variable results in empty list, but inserting it to a non-empty variable does insert an empty element to the list. Since INSERT requires at least one element, "${CMAKE_THREAD_LIBS_INIT}" needs to be quoted in CMakeLists.txt. It might result in an empty element in the list. It seems to not matter as empty elements consistently get ignored in that variable. In fact, calling cmake_check_push_state() and cmake_check_pop_state() will strip the empty elements from CMAKE_REQUIRED_LIBRARIES! In addition to quoting fixes, this fixes checks for the cache variables in tuklib_cpucores.cmake and tuklib_physmem.cmake. Thanks to Martin Matuška for testing and reporting the problems. These fixes aren't tested yet but hopefully they soon will be.
2020-02-25 13:42:31 -05:00
DESTINATION "${liblzma_INSTALL_CMAKEDIR}"
Build: Add very limited experimental CMake support. This does *NOT* replace the Autotools-based build system in the foreseeable future. See the comment in the beginning of CMakeLists.txt. So far this has been tested only on GNU/Linux but I commit it anyway to make it easier for others to test. Since I haven't played much with CMake before, it's likely that there are things that have been done in a silly or wrong way and need to be fixed.
2020-02-24 16:38:16 -05:00
COMPONENT liblzma_Development)
CMake: Try to improve compatibility with the FindLibLZMA module. The naming conflict with FindLibLZMA module gets worse. Not avoiding it in the first place was stupid. Normally find_package(LibLZMA) will use the module and find_package(liblzma 5.2.5 REQUIRED CONFIG) will use the config file even with a case insensitive file system. However, if CMAKE_FIND_PACKAGE_PREFER_CONFIG is TRUE and the file system is case insensitive, find_package(LibLZMA) will find our liblzma config file instead of using FindLibLZMA module. One big problem with this is that FindLibLZMA uses LibLZMA::LibLZMA and we use liblzma::liblzma as the target name. With target names CMake happens to be case sensitive. To workaround this, this commit adds add_library(LibLZMA::LibLZMA ALIAS liblzma::liblzma) to the config file. Then both spellings work. To make the behavior consistent between case sensitive and insensitive file systems, the config and related files are renamed from liblzmaConfig.cmake to liblzma-config.cmake style. With this style CMake looks for lowercase version of the package name so find_package(LiBLzmA 5.2.5 REQUIRED CONFIG) will work to find our config file. There are other differences between our config file and FindLibLZMA so it's still possible that things break for reasons other than the spelling of the target name. Hopefully those situations aren't too common. When the config file is available, it should always give as good or better results as FindLibLZMA so this commit doesn't affect the recommendation to use find_package(liblzma 5.2.5 REQUIRED CONFIG) which explicitly avoids FindLibLZMA. Thanks to Markus Rickert.
2021-01-30 11:36:04 -05:00
install(FILES "${CMAKE_CURRENT_BINARY_DIR}/liblzma-config.cmake"
"${CMAKE_CURRENT_BINARY_DIR}/liblzma-config-version.cmake"
Build: Fix bugs in the CMake files. Seems that the phrase "add more quotes" from sh/bash scripting applies to CMake as well. E.g. passing an unquoted list ${FOO} to a function that expects one argument results in only the first element of the list being passed as an argument and the rest get ignored. Adding quotes helps ("${FOO}"). list(INSERT ...) is weird. Inserting an empty string to an empty variable results in empty list, but inserting it to a non-empty variable does insert an empty element to the list. Since INSERT requires at least one element, "${CMAKE_THREAD_LIBS_INIT}" needs to be quoted in CMakeLists.txt. It might result in an empty element in the list. It seems to not matter as empty elements consistently get ignored in that variable. In fact, calling cmake_check_push_state() and cmake_check_pop_state() will strip the empty elements from CMAKE_REQUIRED_LIBRARIES! In addition to quoting fixes, this fixes checks for the cache variables in tuklib_cpucores.cmake and tuklib_physmem.cmake. Thanks to Martin Matuška for testing and reporting the problems. These fixes aren't tested yet but hopefully they soon will be.
2020-02-25 13:42:31 -05:00
DESTINATION "${liblzma_INSTALL_CMAKEDIR}"
Build: Add very limited experimental CMake support. This does *NOT* replace the Autotools-based build system in the foreseeable future. See the comment in the beginning of CMakeLists.txt. So far this has been tested only on GNU/Linux but I commit it anyway to make it easier for others to test. Since I haven't played much with CMake before, it's likely that there are things that have been done in a silly or wrong way and need to be fixed.
2020-02-24 16:38:16 -05:00
COMPONENT liblzma_Development)
#############################################################################
# getopt_long
#############################################################################
# The command line tools needs this.
check_symbol_exists(getopt_long getopt.h HAVE_GETOPT_LONG)
#############################################################################
# xzdec
#############################################################################
if(HAVE_GETOPT_LONG)
add_executable(xzdec
src/common/sysdefs.h
src/common/tuklib_common.h
src/common/tuklib_config.h
src/common/tuklib_exit.c
src/common/tuklib_exit.h
src/common/tuklib_gettext.h
src/common/tuklib_progname.c
src/common/tuklib_progname.h
src/xzdec/xzdec.c
)
target_include_directories(xzdec PRIVATE
src/common
src/liblzma/api
)
target_link_libraries(xzdec PRIVATE liblzma)
CMake/Windows: Add resource files to xz.exe and xzdec.exe. The command line tools cannot be built with MSVC for now but they can be built with MinGW-w64. Thanks to Iouri Kharon for the bug report and the original patch.
2023-01-07 12:50:03 -05:00
if(WIN32)
# Add the Windows resource file for xzdec.exe.
CMake: Fix a copypaste error in xzdec Windows resource file handling. It was my mistake. Thanks to Iouri Kharon for the bug report.
2023-01-09 04:27:24 -05:00
target_sources(xzdec PRIVATE src/xzdec/xzdec_w32res.rc)
set_target_properties(xzdec PROPERTIES
CMake/Windows: Add resource files to xz.exe and xzdec.exe. The command line tools cannot be built with MSVC for now but they can be built with MinGW-w64. Thanks to Iouri Kharon for the bug report and the original patch.
2023-01-07 12:50:03 -05:00
LINK_DEPENDS "${CMAKE_CURRENT_SOURCE_DIR}/src/common/common_w32res.rc"
)
endif()
Build: Add very limited experimental CMake support. This does *NOT* replace the Autotools-based build system in the foreseeable future. See the comment in the beginning of CMakeLists.txt. So far this has been tested only on GNU/Linux but I commit it anyway to make it easier for others to test. Since I haven't played much with CMake before, it's likely that there are things that have been done in a silly or wrong way and need to be fixed.
2020-02-24 16:38:16 -05:00
tuklib_progname(xzdec)
install(TARGETS xzdec
Build: Fix bugs in the CMake files. Seems that the phrase "add more quotes" from sh/bash scripting applies to CMake as well. E.g. passing an unquoted list ${FOO} to a function that expects one argument results in only the first element of the list being passed as an argument and the rest get ignored. Adding quotes helps ("${FOO}"). list(INSERT ...) is weird. Inserting an empty string to an empty variable results in empty list, but inserting it to a non-empty variable does insert an empty element to the list. Since INSERT requires at least one element, "${CMAKE_THREAD_LIBS_INIT}" needs to be quoted in CMakeLists.txt. It might result in an empty element in the list. It seems to not matter as empty elements consistently get ignored in that variable. In fact, calling cmake_check_push_state() and cmake_check_pop_state() will strip the empty elements from CMAKE_REQUIRED_LIBRARIES! In addition to quoting fixes, this fixes checks for the cache variables in tuklib_cpucores.cmake and tuklib_physmem.cmake. Thanks to Martin Matuška for testing and reporting the problems. These fixes aren't tested yet but hopefully they soon will be.
2020-02-25 13:42:31 -05:00
RUNTIME DESTINATION "${CMAKE_INSTALL_BINDIR}"
Build: Add very limited experimental CMake support. This does *NOT* replace the Autotools-based build system in the foreseeable future. See the comment in the beginning of CMakeLists.txt. So far this has been tested only on GNU/Linux but I commit it anyway to make it easier for others to test. Since I haven't played much with CMake before, it's likely that there are things that have been done in a silly or wrong way and need to be fixed.
2020-02-24 16:38:16 -05:00
COMPONENT xzdec)
if(UNIX)
install(FILES src/xzdec/xzdec.1
Build: Fix bugs in the CMake files. Seems that the phrase "add more quotes" from sh/bash scripting applies to CMake as well. E.g. passing an unquoted list ${FOO} to a function that expects one argument results in only the first element of the list being passed as an argument and the rest get ignored. Adding quotes helps ("${FOO}"). list(INSERT ...) is weird. Inserting an empty string to an empty variable results in empty list, but inserting it to a non-empty variable does insert an empty element to the list. Since INSERT requires at least one element, "${CMAKE_THREAD_LIBS_INIT}" needs to be quoted in CMakeLists.txt. It might result in an empty element in the list. It seems to not matter as empty elements consistently get ignored in that variable. In fact, calling cmake_check_push_state() and cmake_check_pop_state() will strip the empty elements from CMAKE_REQUIRED_LIBRARIES! In addition to quoting fixes, this fixes checks for the cache variables in tuklib_cpucores.cmake and tuklib_physmem.cmake. Thanks to Martin Matuška for testing and reporting the problems. These fixes aren't tested yet but hopefully they soon will be.
2020-02-25 13:42:31 -05:00
DESTINATION "${CMAKE_INSTALL_MANDIR}/man1"
Build: Add very limited experimental CMake support. This does *NOT* replace the Autotools-based build system in the foreseeable future. See the comment in the beginning of CMakeLists.txt. So far this has been tested only on GNU/Linux but I commit it anyway to make it easier for others to test. Since I haven't played much with CMake before, it's likely that there are things that have been done in a silly or wrong way and need to be fixed.
2020-02-24 16:38:16 -05:00
COMPONENT xzdec)
endif()
endif()
#############################################################################
# xz
#############################################################################
if(NOT MSVC AND HAVE_GETOPT_LONG)
add_executable(xz
src/common/mythread.h
src/common/sysdefs.h
src/common/tuklib_common.h
src/common/tuklib_config.h
src/common/tuklib_exit.c
src/common/tuklib_exit.h
src/common/tuklib_gettext.h
src/common/tuklib_integer.h
src/common/tuklib_mbstr.h
src/common/tuklib_mbstr_fw.c
src/common/tuklib_mbstr_width.c
src/common/tuklib_open_stdxxx.c
src/common/tuklib_open_stdxxx.h
src/common/tuklib_progname.c
src/common/tuklib_progname.h
src/xz/args.c
src/xz/args.h
src/xz/coder.c
src/xz/coder.h
src/xz/file_io.c
src/xz/file_io.h
src/xz/hardware.c
src/xz/hardware.h
src/xz/list.c
src/xz/list.h
src/xz/main.c
src/xz/main.h
src/xz/message.c
src/xz/message.h
src/xz/mytime.c
src/xz/mytime.h
src/xz/options.c
src/xz/options.h
src/xz/private.h
src/xz/signals.c
src/xz/signals.h
src/xz/suffix.c
src/xz/suffix.h
src/xz/util.c
src/xz/util.h
)
target_include_directories(xz PRIVATE
src/common
src/liblzma/api
)
target_link_libraries(xz PRIVATE liblzma)
target_compile_definitions(xz PRIVATE ASSUME_RAM=128)
CMake/Windows: Add resource files to xz.exe and xzdec.exe. The command line tools cannot be built with MSVC for now but they can be built with MinGW-w64. Thanks to Iouri Kharon for the bug report and the original patch.
2023-01-07 12:50:03 -05:00
if(WIN32)
# Add the Windows resource file for xz.exe.
target_sources(xz PRIVATE src/xz/xz_w32res.rc)
set_target_properties(xz PROPERTIES
LINK_DEPENDS "${CMAKE_CURRENT_SOURCE_DIR}/src/common/common_w32res.rc"
)
endif()
Build: Add very limited experimental CMake support. This does *NOT* replace the Autotools-based build system in the foreseeable future. See the comment in the beginning of CMakeLists.txt. So far this has been tested only on GNU/Linux but I commit it anyway to make it easier for others to test. Since I haven't played much with CMake before, it's likely that there are things that have been done in a silly or wrong way and need to be fixed.
2020-02-24 16:38:16 -05:00
tuklib_progname(xz)
tuklib_mbstr(xz)
check_symbol_exists(optreset getopt.h HAVE_OPTRESET)
tuklib_add_definition_if(xz HAVE_OPTRESET)
check_symbol_exists(posix_fadvise fcntl.h HAVE_POSIX_FADVISE)
tuklib_add_definition_if(xz HAVE_POSIX_FADVISE)
# How to get file time:
check_struct_has_member("struct stat" st_atim.tv_nsec
"sys/types.h;sys/stat.h"
HAVE_STRUCT_STAT_ST_ATIM_TV_NSEC)
if(HAVE_STRUCT_STAT_ST_ATIM_TV_NSEC)
tuklib_add_definitions(xz HAVE_STRUCT_STAT_ST_ATIM_TV_NSEC)
else()
check_struct_has_member("struct stat" st_atimespec.tv_nsec
"sys/types.h;sys/stat.h"
HAVE_STRUCT_STAT_ST_ATIMESPEC_TV_NSEC)
if(HAVE_STRUCT_STAT_ST_ATIMESPEC_TV_NSEC)
tuklib_add_definitions(xz HAVE_STRUCT_STAT_ST_ATIMESPEC_TV_NSEC)
else()
check_struct_has_member("struct stat" st_atimensec
"sys/types.h;sys/stat.h"
HAVE_STRUCT_STAT_ST_ATIMENSEC)
tuklib_add_definition_if(xz HAVE_STRUCT_STAT_ST_ATIMENSEC)
endif()
endif()
# How to set file time:
check_symbol_exists(futimens "sys/types.h;sys/stat.h" HAVE_FUTIMENS)
if(HAVE_FUTIMENS)
tuklib_add_definitions(xz HAVE_FUTIMENS)
else()
check_symbol_exists(futimes "sys/time.h" HAVE_FUTIMES)
if(HAVE_FUTIMES)
tuklib_add_definitions(xz HAVE_FUTIMES)
else()
check_symbol_exists(futimesat "sys/time.h" HAVE_FUTIMESAT)
if(HAVE_FUTIMESAT)
tuklib_add_definitions(xz HAVE_FUTIMESAT)
else()
check_symbol_exists(utimes "sys/time.h" HAVE_UTIMES)
if(HAVE_UTIMES)
tuklib_add_definitions(xz HAVE_UTIMES)
else()
check_symbol_exists(_futime "sys/utime.h" HAVE__FUTIME)
if(HAVE__FUTIME)
tuklib_add_definitions(xz HAVE__FUTIME)
else()
check_symbol_exists(utime "utime.h" HAVE_UTIME)
tuklib_add_definition_if(xz HAVE_UTIME)
endif()
endif()
endif()
endif()
endif()
install(TARGETS xz
Build: Fix bugs in the CMake files. Seems that the phrase "add more quotes" from sh/bash scripting applies to CMake as well. E.g. passing an unquoted list ${FOO} to a function that expects one argument results in only the first element of the list being passed as an argument and the rest get ignored. Adding quotes helps ("${FOO}"). list(INSERT ...) is weird. Inserting an empty string to an empty variable results in empty list, but inserting it to a non-empty variable does insert an empty element to the list. Since INSERT requires at least one element, "${CMAKE_THREAD_LIBS_INIT}" needs to be quoted in CMakeLists.txt. It might result in an empty element in the list. It seems to not matter as empty elements consistently get ignored in that variable. In fact, calling cmake_check_push_state() and cmake_check_pop_state() will strip the empty elements from CMAKE_REQUIRED_LIBRARIES! In addition to quoting fixes, this fixes checks for the cache variables in tuklib_cpucores.cmake and tuklib_physmem.cmake. Thanks to Martin Matuška for testing and reporting the problems. These fixes aren't tested yet but hopefully they soon will be.
2020-02-25 13:42:31 -05:00
RUNTIME DESTINATION "${CMAKE_INSTALL_BINDIR}"
Build: Add very limited experimental CMake support. This does *NOT* replace the Autotools-based build system in the foreseeable future. See the comment in the beginning of CMakeLists.txt. So far this has been tested only on GNU/Linux but I commit it anyway to make it easier for others to test. Since I haven't played much with CMake before, it's likely that there are things that have been done in a silly or wrong way and need to be fixed.
2020-02-24 16:38:16 -05:00
COMPONENT xz)
CMake: Put xz man page install under if(UNIX) like is for xzdec. Thanks to Jia Tan.
2022-08-31 09:29:38 -04:00
if(UNIX)
install(FILES src/xz/xz.1
DESTINATION "${CMAKE_INSTALL_MANDIR}/man1"
COMPONENT xz)
CMake: Add xz symlinks. These are a minor thing especially since the xz build has some real problems still like lack of large file support on 32-bit systems but I'll commit this since the code exists. Thanks to Jia Tan.
2022-08-31 09:42:04 -04:00
option(CREATE_XZ_SYMLINKS "Create unxz and xzcat symlinks" ON)
option(CREATE_LZMA_SYMLINKS "Create lzma, unlzma, and lzcat symlinks"
ON)
set(XZ_LINKS)
if(CREATE_XZ_SYMLINKS)
list(APPEND XZ_LINKS "unxz" "xzcat")
endif()
if(CREATE_LZMA_SYMLINKS)
list(APPEND XZ_LINKS "lzma" "unlzma" "lzcat")
endif()
# Create symlinks in the build directory and then install them.
#
CMake: Clarify a comment about Windows symlinks without file extension.
2022-09-08 08:07:00 -04:00
# The symlinks do not likely need any special extension since
# even on Windows the symlink can still be executed without
# the .exe extension.
CMake: Add xz symlinks. These are a minor thing especially since the xz build has some real problems still like lack of large file support on 32-bit systems but I'll commit this since the code exists. Thanks to Jia Tan.
2022-08-31 09:42:04 -04:00
foreach(LINK IN LISTS XZ_LINKS)
add_custom_target("${LINK}" ALL
"${CMAKE_COMMAND}" -E create_symlink
"$<TARGET_FILE_NAME:xz>" "${LINK}"
BYPRODUCTS "${LINK}"
VERBATIM)
install(FILES "${CMAKE_CURRENT_BINARY_DIR}/${LINK}"
DESTINATION "${CMAKE_INSTALL_BINDIR}"
COMPONENT xz)
add_custom_target("${LINK}.1" ALL
"${CMAKE_COMMAND}" -E create_symlink "xz.1" "${LINK}.1"
BYPRODUCTS "${LINK}.1"
VERBATIM)
install(FILES "${CMAKE_CURRENT_BINARY_DIR}/${LINK}.1"
DESTINATION "${CMAKE_INSTALL_MANDIR}/man1"
COMPONENT xz)
endforeach()
CMake: Put xz man page install under if(UNIX) like is for xzdec. Thanks to Jia Tan.
2022-08-31 09:29:38 -04:00
endif()
Build: Add very limited experimental CMake support. This does *NOT* replace the Autotools-based build system in the foreseeable future. See the comment in the beginning of CMakeLists.txt. So far this has been tested only on GNU/Linux but I commit it anyway to make it easier for others to test. Since I haven't played much with CMake before, it's likely that there are things that have been done in a silly or wrong way and need to be fixed.
2020-02-24 16:38:16 -05:00
endif()
CMake: Add liblzma tests. Thanks to Jia Tan for the patch.
2022-08-22 09:46:18 -04:00
#############################################################################
# Tests
#############################################################################
include(CTest)
if(BUILD_TESTING)
set(LIBLZMA_TESTS
test_bcj_exact_size
test_block_header
test_check
test_filter_flags
Tests: Create test_filter_str.c. Tests lzma_str_to_filters(), lzma_str_from_filters(), and lzma_str_list_filters() API functions.
2023-02-02 11:32:47 -05:00
test_filter_str
CMake: Add liblzma tests. Thanks to Jia Tan for the patch.
2022-08-22 09:46:18 -04:00
test_hardware
test_index
Tests: Creates test_index_hash.c Tests all API functions exported from index_hash.h. Does not have a dedicated test for lzma_index_hash_end. [Minor edits were made by Lasse Collin.]
2022-12-28 11:25:18 -05:00
test_index_hash
CMake: Add LZIP decoder test to list of tests.
2023-02-22 07:59:41 -05:00
test_lzip_decoder
CMake: Adds test_memlimit to CMake tests
2022-11-19 10:18:04 -05:00
test_memlimit
CMake: Add liblzma tests. Thanks to Jia Tan for the patch.
2022-08-22 09:46:18 -04:00
test_stream_flags
test_vli
)
foreach(TEST IN LISTS LIBLZMA_TESTS)
add_executable("${TEST}" "tests/${TEST}.c")
target_include_directories("${TEST}" PRIVATE
src/common
src/liblzma/api
Tests: Creates test_index_hash.c Tests all API functions exported from index_hash.h. Does not have a dedicated test for lzma_index_hash_end. [Minor edits were made by Lasse Collin.]
2022-12-28 11:25:18 -05:00
src/liblzma
CMake: Add liblzma tests. Thanks to Jia Tan for the patch.
2022-08-22 09:46:18 -04:00
lib
)
target_link_libraries("${TEST}" PRIVATE liblzma)
# Put the test programs into their own subdirectory so they don't
# pollute the top-level dir which might contain xz and xzdec.
set_target_properties("${TEST}" PROPERTIES
RUNTIME_OUTPUT_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/tests_bin"
)
add_test(NAME "${TEST}"
COMMAND "${CMAKE_CURRENT_BINARY_DIR}/tests_bin/${TEST}"
)
# Set srcdir environment variable so that the tests find their
# input files from the source tree.
#
# Set the return code for skipped tests to match Automake convention.
set_tests_properties("${TEST}" PROPERTIES
ENVIRONMENT "srcdir=${CMAKE_CURRENT_LIST_DIR}/tests"
SKIP_RETURN_CODE 77
)
endforeach()
endif()