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da91976685
clang-cl doesn't currently support -Oy correctly, so we need to resort to the GNU-ish based spelling.
49 lines
1.7 KiB
Plaintext
49 lines
1.7 KiB
Plaintext
dnl This Source Code Form is subject to the terms of the Mozilla Public
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dnl License, v. 2.0. If a copy of the MPL was not distributed with this
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dnl file, You can obtain one at http://mozilla.org/MPL/2.0/.
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dnl Set MOZ_FRAMEPTR_FLAGS to the flags that should be used for enabling or
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dnl disabling frame pointers in this architecture based on the configure
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dnl options
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AC_DEFUN([MOZ_SET_FRAMEPTR_FLAGS], [
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if test "$GNU_CC"; then
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MOZ_ENABLE_FRAME_PTR="-fno-omit-frame-pointer -funwind-tables"
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MOZ_DISABLE_FRAME_PTR="-fomit-frame-pointer -funwind-tables"
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else
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case "$target" in
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dnl some versions of clang-cl don't support -Oy-; accommodate them.
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aarch64-windows*)
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if test "$CC_TYPE" = "clang-cl"; then
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MOZ_ENABLE_FRAME_PTR="-Xclang -mdisable-fp-elim"
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MOZ_DISABLE_FRAME_PTR="-Xclang -mdisable-fp-elim"
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else
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MOZ_ENABLE_FRAME_PTR="-Oy-"
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MOZ_DISABLE_FRAME_PTR="-Oy"
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fi
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;;
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dnl Oy (Frame-Pointer Omission) is only support on x86 compilers
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*-mingw32*)
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MOZ_ENABLE_FRAME_PTR="-Oy-"
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MOZ_DISABLE_FRAME_PTR="-Oy"
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;;
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esac
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fi
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# If we are debugging, profiling, using sanitizers, or on win32 we want a
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# frame pointer. It is not required to enable frame pointers on AArch64
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# Windows, but we enable it for compatibility with ETW.
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if test -z "$MOZ_OPTIMIZE" -o \
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-n "$MOZ_PROFILING" -o \
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-n "$MOZ_DEBUG" -o \
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-n "$MOZ_MSAN" -o \
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-n "$MOZ_ASAN" -o \
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-n "$MOZ_UBSAN" -o \
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"$OS_ARCH:$CPU_ARCH" = "WINNT:x86" -o \
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"$OS_ARCH:$CPU_ARCH" = "WINNT:aarch64"; then
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MOZ_FRAMEPTR_FLAGS="$MOZ_ENABLE_FRAME_PTR"
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else
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MOZ_FRAMEPTR_FLAGS="$MOZ_DISABLE_FRAME_PTR"
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fi
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])
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