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authorwolfbeast <mcwerewolf@wolfbeast.com>2019-09-10 10:44:10 +0200
committerwolfbeast <mcwerewolf@wolfbeast.com>2019-09-10 10:44:10 +0200
commitb8a1f577034d16a928997f9368907c9f3b1b1bba (patch)
tree964f0b36c6116cbd678c2cd73cdd3aaa7f41a515
parent6db06749e2037029adc96660aafa5339ed609e60 (diff)
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Don't assume Intel architecture for compiler optimizations on Linux/gcc.
This only adds SSE2 flags when the CPU architecture is correct for it. Resolves #1226
-rw-r--r--build/autoconf/compiler-opts.m49
1 files changed, 7 insertions, 2 deletions
diff --git a/build/autoconf/compiler-opts.m4 b/build/autoconf/compiler-opts.m4
index 82d0b43fc..0848d78d9 100644
--- a/build/autoconf/compiler-opts.m4
+++ b/build/autoconf/compiler-opts.m4
@@ -176,8 +176,13 @@ if test "$GNU_CC"; then
CFLAGS="$CFLAGS -ffunction-sections -fdata-sections"
CXXFLAGS="$CXXFLAGS -ffunction-sections -fdata-sections"
fi
- CFLAGS="$CFLAGS -fno-math-errno -msse2 -mfpmath=sse"
- CXXFLAGS="$CXXFLAGS -fno-exceptions -fno-math-errno -msse2 -mfpmath=sse"
+ CFLAGS="$CFLAGS -fno-math-errno"
+ CXXFLAGS="$CXXFLAGS -fno-exceptions -fno-math-errno"
+
+ if test "$CPU_ARCH" = x86; then
+ CFLAGS="$CFLAGS -msse2 -mfpmath=sse"
+ CXXFLAGS="$CXXFLAGS -msse2 -mfpmath=sse"
+ fi
if test -z "$CLANG_CC"; then
case "$CC_VERSION" in