1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/build/autoconf/frameptr.m4 Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,40 @@
1.4 +dnl This Source Code Form is subject to the terms of the Mozilla Public
1.5 +dnl License, v. 2.0. If a copy of the MPL was not distributed with this
1.6 +dnl file, You can obtain one at http://mozilla.org/MPL/2.0/.
1.7 +
1.8 +dnl Set MOZ_FRAMEPTR_FLAGS to the flags that should be used for enabling or
1.9 +dnl disabling frame pointers in this architecture based on the configure
1.10 +dnl options
1.11 +
1.12 +AC_DEFUN([MOZ_SET_FRAMEPTR_FLAGS], [
1.13 + case "$target" in
1.14 + *android*)
1.15 + unwind_tables="-funwind-tables"
1.16 + ;;
1.17 + esac
1.18 + if test "$GNU_CC"; then
1.19 + MOZ_ENABLE_FRAME_PTR="-fno-omit-frame-pointer $unwind_tables"
1.20 + MOZ_DISABLE_FRAME_PTR="-fomit-frame-pointer"
1.21 + if test "$CPU_ARCH" = arm; then
1.22 + # http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54398
1.23 + MOZ_ENABLE_FRAME_PTR="$unwind_tables"
1.24 + fi
1.25 + else
1.26 + case "$target" in
1.27 + *-mingw*)
1.28 + MOZ_ENABLE_FRAME_PTR="-Oy-"
1.29 + MOZ_DISABLE_FRAME_PTR="-Oy"
1.30 + ;;
1.31 + esac
1.32 + fi
1.33 +
1.34 + # if we are debugging, profiling or using ASAN, we want a frame pointer.
1.35 + if test -z "$MOZ_OPTIMIZE" -o \
1.36 + -n "$MOZ_PROFILING" -o \
1.37 + -n "$MOZ_DEBUG" -o \
1.38 + -n "$MOZ_ASAN"; then
1.39 + MOZ_FRAMEPTR_FLAGS="$MOZ_ENABLE_FRAME_PTR"
1.40 + else
1.41 + MOZ_FRAMEPTR_FLAGS="$MOZ_DISABLE_FRAME_PTR"
1.42 + fi
1.43 +])
