Tests: Keep test_compress_* working when some filters are unavailable.

tests/test_compress.sh

@@ -77,7 +77,9 @@ test_xz() {
 }
 
 XZ="../src/xz/xz --memlimit-compress=48MiB --memlimit-decompress=5MiB \
-		--no-adjust --threads=1 --check=crc64"
+		--no-adjust --threads=1 --check=crc32"
+grep "define HAVE_CHECK_CRC64" ../config.h > /dev/null \
+		&& XZ="$XZ --check=crc64"
 XZDEC="../src/xzdec/xzdec" # No memory usage limiter available
 test -x ../src/xzdec/xzdec || XZDEC=
 
@@ -118,18 +120,22 @@ test_xz -2
 test_xz -3
 test_xz -4
 
-for ARGS in \
-	--delta=dist=1 \
-	--delta=dist=4 \
-	--delta=dist=256 \
-	--x86 \
-	--powerpc \
-	--ia64 \
-	--arm \
-	--armthumb \
-	--sparc
-do
-	test_xz $ARGS --lzma2=dict=64KiB,nice=32,mode=fast
-done
+test_filter()
+{
+	grep "define HAVE_ENCODER_$1" ../config.h > /dev/null || return
+	grep "define HAVE_DECODER_$1" ../config.h > /dev/null || return
+	shift
+	test_xz "$@" --lzma2=dict=64KiB,nice=32,mode=fast
+}
+
+test_filter DELTA --delta=dist=1
+test_filter DELTA --delta=dist=4
+test_filter DELTA --delta=dist=256
+test_filter X86 --x86
+test_filter POWERPC --power
+test_filter IA64 --ia64
+test_filter ARM --arm
+test_filter ARMTHUMB --armthumb
+test_filter SPARC --sparc
 
 exit 0