diff options
Diffstat (limited to 'meta-oe/recipes-extended/leveldb/leveldb/0001-build_detect_platform-Check-for-__SSE4_2__.patch')
-rw-r--r-- | meta-oe/recipes-extended/leveldb/leveldb/0001-build_detect_platform-Check-for-__SSE4_2__.patch | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/meta-oe/recipes-extended/leveldb/leveldb/0001-build_detect_platform-Check-for-__SSE4_2__.patch b/meta-oe/recipes-extended/leveldb/leveldb/0001-build_detect_platform-Check-for-__SSE4_2__.patch new file mode 100644 index 0000000000..bbabf688d8 --- /dev/null +++ b/meta-oe/recipes-extended/leveldb/leveldb/0001-build_detect_platform-Check-for-__SSE4_2__.patch @@ -0,0 +1,36 @@ +From 5fd0918df2bb30e8f3edb2ee895d178edbf26f40 Mon Sep 17 00:00:00 2001 +From: Khem Raj <raj.khem@gmail.com> +Date: Mon, 4 Sep 2017 22:38:03 -0700 +Subject: [PATCH 1/2] build_detect_platform: Check for __SSE4_2__ + +just using -msse4.2 is not enough, especially with clang +where it may accept -msse4.2 even during cross compiling +for say arm, however the difference is that builtin defines +wont be defined. + +Signed-off-by: Khem Raj <raj.khem@gmail.com> +--- +Upstream-Status: Pending + + build_detect_platform | 4 ++-- + 1 file changed, 2 insertions(+), 2 deletions(-) + +Index: git/build_detect_platform +=================================================================== +--- git.orig/build_detect_platform ++++ git/build_detect_platform +@@ -230,13 +230,12 @@ EOF + rm -f $CXXOUTPUT 2>/dev/null + + # Test if gcc SSE 4.2 is supported +- $CXX $CXXFLAGS -x c++ - -o $CXXOUTPUT -msse4.2 2>/dev/null <<EOF ++ $CXX $CXXFLAGS -Werror -x c++ - -o $CXXOUTPUT -msse4.2 -dD -E 2>/dev/null | fgrep __SSE4_2__ $CXXOUTPUT 2>/dev/null <<EOF + int main() {} + EOF + if [ "$?" = 0 ]; then + PLATFORM_SSEFLAGS="-msse4.2" + fi +- + rm -f $CXXOUTPUT 2>/dev/null + fi + |