[FFmpeg-cvslog] configure: Restore original endianness test

[Diego Biurrun]

ffmpeg | branch: master | Diego Biurrun <diego at biurrun.de> | Thu Mar  8 11:47:04 2018 +0100| [dd7e63af93b2430b5d42b87a966160c66736342c] | committer: Diego Biurrun

configure: Restore original endianness test

Previously the bit pattern for the endianness test was declared as a
global, instead of a local, variable. This ensures that the pattern
appears unchanged in the object file and is not optimized out.

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=dd7e63af93b2430b5d42b87a966160c66736342c
---

 configure | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/configure b/configure
index d59fc6fd1a..b91be32102 100755
--- a/configure
+++ b/configure
@@ -4211,7 +4211,10 @@ done
 
 check_cc pragma_deprecated "" '_Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"")'
 
-require_cc "endian test" "" "unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E'"
+# The global variable ensures the bits appear unchanged in the object file.
+test_cc <<EOF || die "endian test failed"
+unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
+EOF
 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
 
 check_gas() {