[x264-devel] [PATCH] configure: force -O0 for the endian check

Gil Pedersen kanongil at gmail.com
Wed Mar 7 13:36:24 CET 2012


The clang compiler won't output standard object code when -O4 is set, causing the checks to fail.
---
 configure |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/configure b/configure
index 16970b8..69a38ae 100755
--- a/configure
+++ b/configure
@@ -713,7 +713,7 @@ define SYS_$SYS
 # skip endianness check for Intel Compiler, as all supported platforms are little. the -ipo flag will also cause the check to fail
 if [ $compiler = GNU ]; then
     echo "int i[2] = {0x42494745,0}; double f[2] = {0x1.0656e6469616ep+102,0};" > conftest.c
-    $CC $CFLAGS conftest.c -c -o conftest.o 2>/dev/null || die "endian test failed"
+    $CC $CFLAGS -O0 conftest.c -c -o conftest.o 2>/dev/null || die "endian test failed"
     if (${cross_prefix}strings -a conftest.o | grep -q BIGE) && (${cross_prefix}strings -a conftest.o | grep -q FPendian) ; then
         define WORDS_BIGENDIAN
     elif !(${cross_prefix}strings -a conftest.o | grep -q EGIB && ${cross_prefix}strings -a conftest.o | grep -q naidnePF) ; then
-- 
1.7.9.2



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