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libbacktrace: enable -fno-omit-frame-pointer for host build.

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This change makes sure -fno-omit-frame-pointer flag is not
overrided by flags set in $(LLVM_HOST_BUILD_MK).

Change-Id: I53037b0eab6bd1272cec0f5c9caa058ad1a55419
This commit is contained in:
Yabin Cui 2015-09-22 21:57:43 -07:00
parent 2bd33b3c2a
commit 9e1dd67de4
1 changed files with 6 additions and 1 deletions
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7
libbacktrace/Android.build.mk
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@ -79,8 +79,13 @@ endif
ifeq ($(build_type),host)
# Only build if host builds are supported.
ifeq ($(build_host),true)
LOCAL_CFLAGS += -Wno-extern-c-compat -fno-omit-frame-pointer
include $(LLVM_HOST_BUILD_MK)
# -fno-omit-frame-pointer should be set for host build. Because currently
# libunwind can't recognize .debug_frame using dwarf version 4, and it relies
# on stack frame pointer to do unwinding on x86.
# $(LLVM_HOST_BUILD_MK) overwrites -fno-omit-frame-pointer. so the below line
# must be after the include.
LOCAL_CFLAGS += -Wno-extern-c-compat -fno-omit-frame-pointer
include $(BUILD_HOST_$(build_target))
endif
endif