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build: Add support for a SHOW_DIAGNOSTICS build variable.

If enabled, this will attempt to use the CC_LOG_DIAGNOSTICS feature I dropped
into Clang to print a log of all the diagnostics generated during an individual
build (from the top-level). Not sure if this will actually be useful, but for
now it is handy for testing the option.

llvm-svn: 129312
This commit is contained in:
Daniel Dunbar 2011-04-11 22:37:39 +00:00
parent 6263e05e6d
commit a01ae2f598
3 changed files with 91 additions and 8 deletions

View File

@ -168,6 +168,15 @@ install-clang: install
install-clang-c: install
install-libs: install
# If SHOW_DIAGNOSTICS is enabled, clear the diagnostics file first.
ifeq ($(SHOW_DIAGNOSTICS),1)
clean-diagnostics:
$(Verb) rm -f $(LLVM_OBJ_ROOT)/$(BuildMode)/diags
.PHONY: clean-diagnostics
all-local:: clean-diagnostics
endif
#------------------------------------------------------------------------
# Make sure the generated headers are up-to-date. This must be kept in
# sync with the AC_CONFIG_HEADER invocations in autoconf/configure.ac
@ -198,6 +207,12 @@ ifneq ($(ENABLE_OPTIMIZED),1)
$(Echo) '*****' optimized build. Use 'make ENABLE_OPTIMIZED=1' to
$(Echo) '*****' make an optimized build. Alternatively you can
$(Echo) '*****' configure with --enable-optimized.
ifeq ($(SHOW_DIAGNOSTICS),1)
$(Verb) if test -s $(LLVM_OBJ_ROOT)/$(BuildMode)/diags; then \
$(LLVM_SRC_ROOT)/utils/show-diagnostics \
$(LLVM_OBJ_ROOT)/$(BuildMode)/diags; \
fi
endif
endif
endif

View File

@ -646,25 +646,41 @@ CPP.Flags += $(sort -I$(PROJ_OBJ_DIR) -I$(PROJ_SRC_DIR) \
$(LLVM_OBJ_ROOT) $(LLVM_SRC_ROOT))) \
$(CPP.BaseFlags)
# SHOW_DIAGNOSTICS support.
ifeq ($(SHOW_DIAGNOSTICS),1)
Compile.Wrapper := env CC_LOG_DIAGNOSTICS=1 \
CC_LOG_DIAGNOSTICS_FILE="$(LLVM_OBJ_ROOT)/$(BuildMode)/diags"
else
Compile.Wrapper :=
endif
ifeq ($(BUILD_COMPONENT), 1)
Compile.C = $(BUILD_CC) $(CPP.Flags) $(C.Flags) $(CFLAGS) $(CPPFLAGS) \
Compile.C = $(Compile.Wrapper) \
$(BUILD_CC) $(CPP.Flags) $(C.Flags) $(CFLAGS) $(CPPFLAGS) \
$(TargetCommonOpts) $(CompileCommonOpts) -c
Compile.CXX = $(BUILD_CXX) $(CPP.Flags) $(CXX.Flags) $(CXXFLAGS) \
Compile.CXX = $(Compile.Wrapper) \
$(BUILD_CXX) $(CPP.Flags) $(CXX.Flags) $(CXXFLAGS) \
$(CPPFLAGS) \
$(TargetCommonOpts) $(CompileCommonOpts) -c
Preprocess.CXX= $(BUILD_CXX) $(CPP.Flags) $(CPPFLAGS) $(TargetCommonOpts) \
Preprocess.CXX= $(Compile.Wrapper) \
$(BUILD_CXX) $(CPP.Flags) $(CPPFLAGS) $(TargetCommonOpts) \
$(CompileCommonOpts) $(CXX.Flags) -E
Link = $(BUILD_CXX) $(CPP.Flags) $(CXX.Flags) $(CXXFLAGS) \
Link = $(Compile.Wrapper) \
$(BUILD_CXX) $(CPP.Flags) $(CXX.Flags) $(CXXFLAGS) \
$(LD.Flags) $(LDFLAGS) \
$(TargetCommonOpts) $(CompileCommonOpts) $(Strip)
else
Compile.C = $(CC) $(CPP.Flags) $(C.Flags) $(CFLAGS) $(CPPFLAGS) \
Compile.C = $(Compile.Wrapper) \
$(CC) $(CPP.Flags) $(C.Flags) $(CFLAGS) $(CPPFLAGS) \
$(TargetCommonOpts) $(CompileCommonOpts) -c
Compile.CXX = $(CXX) $(CPP.Flags) $(CXX.Flags) $(CXXFLAGS) $(CPPFLAGS) \
Compile.CXX = $(Compile.Wrapper) \
$(CXX) $(CPP.Flags) $(CXX.Flags) $(CXXFLAGS) $(CPPFLAGS) \
$(TargetCommonOpts) $(CompileCommonOpts) -c
Preprocess.CXX= $(CXX) $(CPP.Flags) $(TargetCommonOpts) $(CPPFLAGS) \
Preprocess.CXX= $(Compile.Wrapper) \
$(CXX) $(CPP.Flags) $(TargetCommonOpts) $(CPPFLAGS) \
$(CompileCommonOpts) $(CXX.Flags) -E
Link = $(CXX) $(CPP.Flags) $(CXX.Flags) $(CXXFLAGS) $(LD.Flags) \
Link = $(Compile.Wrapper) \
$(CXX) $(CPP.Flags) $(CXX.Flags) $(CXXFLAGS) $(LD.Flags) \
$(LDFLAGS) $(TargetCommonOpts) $(CompileCommonOpts) $(Strip)
endif

52
utils/show-diagnostics Executable file
View File

@ -0,0 +1,52 @@
#!/usr/bin/env python
import plistlib
def main():
from optparse import OptionParser, OptionGroup
parser = OptionParser("""\
usage: %prog [options] <path>
Utility for dumping Clang-style logged diagnostics.\
""")
(opts, args) = parser.parse_args()
if len(args) != 1:
parser.error("invalid number of arguments")
path, = args
# Read the diagnostics log.
f = open(path)
try:
data = f.read()
finally:
f.close()
# Complete the plist (the log itself is just the chunks).
data = """\
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple Computer//DTD PLIST 1.0//EN" \
"http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<array>
%s
</array>
</plist>""" % data
# Load the diagnostics.
diags = plistlib.readPlistFromString(data)
# Print out the diagnostics.
print
print "**** BUILD DIAGNOSTICS ****"
for i, file_diags in enumerate(diags):
file = file_diags.get('main-file')
print "*** %s ***" % file
for d in file_diags.get('diagnostics', ()):
print "%s:%s:%s: %s: %s" % (
d.get('filename'), d.get('line'), d.get('column'),
d.get('level'), d.get('message'))
if __name__ == "__main__":
main()