Merge pull request #1019 from javacruft/wip-omit-leaf-frame-pointer-archs

build: Improve -momit-leaf-frame-pointer usage
9 years ago · 3492889ab8
parent 8800975fb0 7ca731b12c
commit 3492889ab8
1 changed files with 2 additions and 3 deletions
--- a/5
+++ b/5
@ -84,12 +84,11 @@ endif
 # compile with -O2 if debug level is not 2
 ifneq ($(DEBUG_LEVEL), 2)
 OPT += -O2 -fno-omit-frame-pointer
-ifeq (,$(findstring ppc64,$(MACHINE))) # ppc64[le] doesn't support -momit-leaf-frame-pointer
-ifneq ($(MACHINE),armv7l)
+# Skip for archs that don't support -momit-leaf-frame-pointer
+ifeq (,$(shell $(CXX) -fsyntax-only -momit-leaf-frame-pointer -xc /dev/null 2>&1))
 OPT += -momit-leaf-frame-pointer
 endif
 endif
-endif

 # if we're compiling for release, compile without debug code (-DNDEBUG) and
 # don't treat warnings as errors