[cfe-dev] [LLVMdev] [Reminder] LLVM 3.4 Release Branching

Alexander Potapenko glider at google.com
Mon Nov 11 06:46:47 PST 2013 

This file is for configure+make build, not CMake, so I'm not sure why
it's being included into your build (these failures aren't
reproducible for me).
Can you please list the exact steps you're doing to build LLVM with
CMake and make sure you don't have additional CFLAGS (LDFLAGS etc)
defined?

On Mon, Nov 11, 2013 at 6:16 PM, Jack Howarth <howarth at bromo.med.uc.edu> wrote:
> On Mon, Nov 11, 2013 at 01:59:25PM +0400, Alexander Potapenko wrote:
>> Jack,
>>
>> Where do the "-isysroot
>> /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.8.sdk
>> -mmacosx-version-min=10.8" flags come from? I don't see them in your
>> CMake invocation - perhaps they're added via $CC or $CFLAGS? Is this
>> being done on purpose?
>
> In the llvm-3.4 toplevel Makefile.rules file, I see...
>
> ifeq ($(HOST_OS),Darwin)
>  ifdef MACOSX_DEPLOYMENT_TARGET
>   DARWIN_VERSION := $(MACOSX_DEPLOYMENT_TARGET)
>  else
>   DARWIN_VERSION := `sw_vers -productVersion`
>  endif
>   # Strip a number like 10.4.7 to 10.4
>   DARWIN_VERSION := $(shell echo $(DARWIN_VERSION)| sed -E 's/(10.[0-9]).*/\1/')
>   # Get "4" out of 10.4 for later pieces in the makefile.
>   DARWIN_MAJVERS := $(shell echo $(DARWIN_VERSION)| sed -E 's/10.([0-9]).*/\1/')
>
>   LoadableModuleOptions := -Wl,-flat_namespace -Wl,-undefined,suppress
>   SharedLinkOptions := -dynamiclib
>   ifdef DEPLOYMENT_TARGET
>     SharedLinkOptions += $(DEPLOYMENT_TARGET)
>   else
>     ifneq ($(ARCH),ARM)
>       SharedLinkOptions += -mmacosx-version-min=$(DARWIN_VERSION)
>     endif
>   endif
> else
>   SharedLinkOptions=-shared
> endif
>
> ifeq ($(TARGET_OS),Darwin)
>   ifdef DEPLOYMENT_TARGET
>     TargetCommonOpts += $(DEPLOYMENT_TARGET)
>   else
>     ifneq ($(ARCH),ARM)
>       TargetCommonOpts += -mmacosx-version-min=$(DARWIN_VERSION)
>     endif
>   endif
> endif
>
>>
>> I can add a CMake step checking whether the current CFLAGS/LDFLAGS
>> allow to build an iossim binary, and skip building the iossim runtime
>> if that's impossible.
>> But in that case your compiler won't be able to build the iossim runtime at all.
>>
>> Alex
>>
>> On Sun, Nov 10, 2013 at 7:50 PM, Jack Howarth <howarth at bromo.med.uc.edu> wrote:
>> > On Sun, Nov 10, 2013 at 06:11:16AM -0800, Bill Wendling wrote:
>> >> Good day!
>> >>
>> >> This is just a reminder that branching for the 3.4 release will occur at this time:
>> >>
>> >>       Monday, November 18, 2013 at 7:00:00 PM PST / Tuesday, November 19, 2013 at 3:00:00 AM UTC
>> >>
>> >> What this means for you!
>> >> ------------------------
>> >>
>> >> * Please keep the release notes up to date -- There has been very few commits to them. Please be proactive and update them with any significant feature that was put in.
>> >>
>> >> * Keep the tree healthy -- Pay attention to buildbot failures and regressions and fix them as quickly as possible.
>> >>
>> >> * Finish your features -- The 18th won't be the final day to submit code, but you should have a significant portion of the feature finished by then. I.e., a few minor changes, bug fixes, and clean ups. If you're going to be late with your feature, please let me know ahead of time and we can figure something out.
>> >>
>> >> * Fix bugs -- Go through the bug database and find those PRs which you can fix easily. If a PR is a release blockers, then ask the code owner to bump up the priority.
>> >>
>> >> This should be a wicked awesome release! :-)
>> >>
>> >> Share and enjoy!
>> >> -bw
>> >
>> > Current llvm/compiler-rt/clang svn is still broken on x86_64 darwin13 here for a build with...
>> >
>> > cmake -DLLVM_BUILD_32_BITS:BOOL=OFF -DLLVM_TARGETS_TO_BUILD=X86  -DCMAKE_INSTALL_PREFIX=/sw/opt/llvm-3.4 -DLLVM_ENABLE_ASSERTIONS=OFF -DCMAKE_BUILD_TYPE=Release ..
>> >
>> > [ 54%] Building CXX object projects/compiler-rt/lib/asan/CMakeFiles/RTAsan.iossim.dir/asan_allocator2.cc.o
>> > cd /sw/src/fink.build/llvm34-3.4-0/llvm-3.4/build/projects/compiler-rt/lib/asan && /sw/var/lib/fink/path-prefix-clang/c++   -DASAN_FLEXIBLE_MAPPING_AND_OFFSET=1 -DASAN_HAS_EXCEPTIONS=1 -DASAN_NEEDS_SEGV=1 -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -fPIC -fvisibility-inlines-hidden -Wall -W -Wno-unused-parameter -Wwrite-strings -Wmissing-field-initializers -pedantic -Wno-long-long -Wcovered-switch-default -Wnon-virtual-dtor -O3 -DNDEBUG -arch x86_64 -arch i386 -isysroot /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.8.sdk -mmacosx-version-min=10.8 -I/sw/src/fink.build/llvm34-3.4-0/llvm-3.4/build/projects/compiler-rt/lib/asan -I/sw/src/fink.build/llvm34-3.4-0/llvm-3.4/projects/compiler-rt/lib/asan -I/sw/src/fink.build/llvm34-3.4-0/llvm-3.4/build/include -I/sw/src/fink.build/llvm34-3.4-0/llvm-3.4/include -I/sw/src/fink.build/llvm34-3.4-0/llvm-3.4/projects/compiler-rt/include -I/sw/src/fink.build/llvm34-3.4!
>> >  -0/llvm-3.4/projects/compiler-rt/lib/asan/..     -fPIC -fno-builtin -fno-exceptions -fomit-frame-pointer -funwind-tables -fno-stack-protector -Wno-gnu -fvisibility=hidden -O3 -gline-tables-only -Wno-variadic-macros -Wno-c99-extensions -Wno-non-virtual-dtor -fno-rtti -mios-simulator-version-min=7.0 -isysroot /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator7.0.sdk -o CMakeFiles/RTAsan.iossim.dir/asan_allocator2.cc.o -c /sw/src/fink.build/llvm34-3.4-0/llvm-3.4/projects/compiler-rt/lib/asan/asan_allocator2.cc
>> > clang: error: invalid argument '-mmacosx-version-min=10.8' not allowed with '-mios-simulator-version-min=7.0'
>> > clang: error: invalid argument '-mmacosx-version-min=10.8' not allowed with '-mios-simulator-version-min=7.0'
>> > make[2]: *** [projects/compiler-rt/lib/asan/CMakeFiles/RTAsan.iossim.dir/asan_allocator2.cc.o] Error 1
>> > make[1]: *** [projects/compiler-rt/lib/asan/CMakeFiles/RTAsan.iossim.dir/all] Error 2
>> > make: *** [all] Error 2
>> > ### execution of /tmp/fink.lUrKE failed, exit code 2
>> > ### execution of /tmp/fink.kVn0V failed, exit code 2
>> >
>> >>
>> >
>> >> _______________________________________________
>> >> LLVM Developers mailing list
>> >> LLVMdev at cs.uiuc.edu         http://llvm.cs.uiuc.edu
>> >> http://lists.cs.uiuc.edu/mailman/listinfo/llvmdev
>> >
>> >
>> > _______________________________________________
>> > cfe-dev mailing list
>> > cfe-dev at cs.uiuc.edu
>> > http://lists.cs.uiuc.edu/mailman/listinfo/cfe-dev
>>
>>
>>
>> --
>> Alexander Potapenko
>> Software Engineer
>> Google Moscow



-- 
Alexander Potapenko
Software Engineer
Google Moscow

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