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This patch causes the --enable-debug-runtime configure flag and the

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DEBUG_RUNTIME Makefile variable to pass -g to gcc when building LLVM's objects.
Without this, it's very hard to debug crashes that happen in Release-Asserts
mode but not Debug mode.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82775 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jeffrey Yasskin
2009-09-25 16:46:09 +00:00
parent c8ce2d4cb9
commit d448292104
2 changed files with 12 additions and 0 deletions
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7
Makefile.rules
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@@ -313,6 +313,13 @@ ifeq ($(ENABLE_OPTIMIZED),1)
CXX.Flags += $(OPTIMIZE_OPTION) $(OmitFramePointer) CXX.Flags += $(OPTIMIZE_OPTION) $(OmitFramePointer)
C.Flags += $(OPTIMIZE_OPTION) $(OmitFramePointer) C.Flags += $(OPTIMIZE_OPTION) $(OmitFramePointer)
LD.Flags += $(OPTIMIZE_OPTION) LD.Flags += $(OPTIMIZE_OPTION)
ifdef DEBUG_RUNTIME
BuildMode := $(BuildMode)+Debug
CXX.Flags += -g
C.Flags += -g
LD.Flags += -g
KEEP_SYMBOLS := 1
endif
else else
BuildMode := Debug BuildMode := Debug
CXX.Flags += -g CXX.Flags += -g

5
docs/MakefileGuide.html
View File

@@ -626,6 +626,11 @@
<dd>If set to any value, causes a bitcode library (.bc) to be built.</dd> <dd>If set to any value, causes a bitcode library (.bc) to be built.</dd>
<dt><a name="CONFIG_FILES"><tt>CONFIG_FILES</tt></a></dt> <dt><a name="CONFIG_FILES"><tt>CONFIG_FILES</tt></a></dt>
<dd>Specifies a set of configuration files to be installed.</dd> <dd>Specifies a set of configuration files to be installed.</dd>
<dt><a name="DEBUG_RUNTIME"><tt>DEBUG_RUNTIME</tt></a></dt>
<dd>If set to any value, causes the build to include debugging
symbols even in optimized objects, libraries and executables. This
alters the flags specified to the compilers and linkers. Debugging
isn't fun in an optimized build, but it is possible.</dd>
<dt><a name="DIRS"><tt>DIRS</tt></a></dt> <dt><a name="DIRS"><tt>DIRS</tt></a></dt>
<dd>Specifies a set of directories, usually children of the current <dd>Specifies a set of directories, usually children of the current
directory, that should also be made using the same goal. These directories directory, that should also be made using the same goal. These directories