[FFmpeg-cvslog] configure: fix _Pragma check.
Reimar Döffinger
git at videolan.org
Thu Nov 2 22:11:12 EET 2023
ffmpeg | branch: master | Reimar Döffinger <Reimar.Doeffinger at gmx.de> | Sun Oct 29 18:46:16 2023 +0100| [a31992634f0d3b1ab2d2a6b89440dd0120af5b97] | committer: Reimar Döffinger
configure: fix _Pragma check.
The test can currently pass when _Pragma is not supported, since
_Pragma might be treated as a implicitly declared function.
This happens e.g. with tinycc.
Extending the check to 2 pragmas both matches the actual use
better and avoids this misdetection.
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=a31992634f0d3b1ab2d2a6b89440dd0120af5b97
---
configure | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/configure b/configure
index fe6cd946c4..7afeebebcd 100755
--- a/configure
+++ b/configure
@@ -5984,7 +5984,7 @@ for restrict_keyword in restrict __restrict__ __restrict ""; do
test_code cc "" "char * $restrict_keyword p" && break
done
-check_cc pragma_deprecated "" '_Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"")'
+check_cc pragma_deprecated "" '_Pragma("GCC diagnostic push") _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"")'
# The global variable ensures the bits appear unchanged in the object file.
test_cc <<EOF || die "endian test failed"
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