gecko-dev/build/autoconf/frameptr.m4

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dnl Set MOZ_FRAMEPTR_FLAGS to the flags that should be used for enabling or
dnl disabling frame pointers in this architecture based on the configure
dnl options
AC_DEFUN([MOZ_SET_FRAMEPTR_FLAGS], [
if test "$GNU_CC"; then
MOZ_ENABLE_FRAME_PTR="-fno-omit-frame-pointer"
MOZ_DISABLE_FRAME_PTR="-fomit-frame-pointer"
else
case "$target" in
*-mingw*)
MOZ_ENABLE_FRAME_PTR="-Oy-"
MOZ_DISABLE_FRAME_PTR="-Oy"
;;
esac
fi
# if we are debugging or profiling, we want a frame pointer.
if test -z "$MOZ_OPTIMIZE" -o \
-n "$MOZ_PROFILING" -o -n "$MOZ_DEBUG"; then
MOZ_FRAMEPTR_FLAGS="$MOZ_ENABLE_FRAME_PTR"
else
MOZ_FRAMEPTR_FLAGS="$MOZ_DISABLE_FRAME_PTR"
fi
])