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Fix compiling with IBM XL C on AIX.

This commit is contained in:
Lasse Collin 2012-05-24 18:47:52 +03:00
parent 7b6ffc9864
commit c6fa03a427
2 changed files with 27 additions and 15 deletions
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36
INSTALL
View File

@ -6,13 +6,14 @@ XZ Utils Installation
1. Supported platforms
1.1. Compilers
1.2. Platform-specific notes
1.2.1. IRIX
1.2.2. MINIX 3
1.2.3. OpenVMS
1.2.4. Solaris, OpenSolaris, and derivatives
1.2.5. Tru64
1.2.6. Windows
1.2.7. DOS
1.2.1. AIX
1.2.2. IRIX
1.2.3. MINIX 3
1.2.4. OpenVMS
1.2.5. Solaris, OpenSolaris, and derivatives
1.2.6. Tru64
1.2.7. Windows
1.2.8. DOS
1.3. Adding support for new platforms
2. configure options
2.1. Static vs. dynamic linking of liblzma
@ -63,7 +64,14 @@ XZ Utils Installation
1.2. Platform-specific notes
1.2.1. IRIX
1.2.1. AIX
If you use IBM XL C compiler, pass CC=xlc_r to configure. If
you use CC=xlc instead, you must disable threading support
with --disable-threads (usually not recommended).
1.2.2. IRIX
MIPSpro 7.4.4m has been reported to produce broken code if using
the -O2 optimization flag ("make check" fails). Using -O1 should
@ -74,7 +82,7 @@ XZ Utils Installation
putting "-64" to CFLAGS to build a 64-bit version might help too.
1.2.2. MINIX 3
1.2.3. MINIX 3
The default install of MINIX 3 includes Amsterdam Compiler Kit (ACK),
which doesn't support C99. Install GCC to compile XZ Utils.
@ -91,7 +99,7 @@ XZ Utils Installation
may want to pass gl_cv_cc_visibility=no to configure).
1.2.3. OpenVMS
1.2.4. OpenVMS
XZ Utils can be built for OpenVMS, but the build system files
are not included in the XZ Utils source package. The required
@ -101,7 +109,7 @@ XZ Utils Installation
http://nchrem.tnw.tudelft.nl/openvms/software2.html#xzutils
1.2.4. Solaris, OpenSolaris, and derivatives
1.2.5. Solaris, OpenSolaris, and derivatives
The following linker error has been reported on some x86 systems:
@ -111,14 +119,14 @@ XZ Utils Installation
as an argument to the configure script.
1.2.5. Tru64
1.2.6. Tru64
If you try to use the native C compiler on Tru64 (passing CC=cc to
configure), you may need the workaround mention in section 4.1 in
this file (pass also ac_cv_prog_cc_c99= to configure).
1.2.6. Windows
1.2.7. Windows
Building XZ Utils on Windows is supported under MinGW + MSYS,
MinGW-w64 + MSYS, and Cygwin. There is windows/build.bash to
@ -138,7 +146,7 @@ XZ Utils Installation
windows/README-Windows.txt for details.
1.2.7. DOS
1.2.8. DOS
There is an experimental Makefile in the "dos" directory to build
XZ Utils on DOS using DJGPP. Support for long file names (LFN) is

6
configure.ac
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@ -434,7 +434,11 @@ if test "x$enable_threads" = xyes; then
AX_PTHREAD
LIBS="$LIBS $PTHREAD_LIBS"
AM_CFLAGS="$AM_CFLAGS $PTHREAD_CFLAGS"
CC="$PTHREAD_CC"
dnl NOTE: PTHREAD_CC is ignored. It would be useful on AIX, but
dnl it's tricky to get it right together with AC_PROG_CC_C99.
dnl Thus, this is handled by telling the user in INSTALL to set
dnl the correct CC manually.
fi
echo