[compiler-rt] r329817 - [cmake] Remove duplicate command line options from build

Wed Apr 11 10:19:38 PDT 2018

Thanks! My guess is the missing -fPIE is causing the issue. Im going to revert the change and look at the cmake files more. You can see in your build that the options are doubled. “-fPIC” “-Wall” “-std=c++11” for example. If you ever pass an option that cannot be doubled your build will fail.

From: Aleksey Shlyapnikov <alekseys at google.com>
Date: Wednesday, April 11, 2018 at 6:12 PM
To: Aaron Smith <aaron.smith at microsoft.com>
Cc: llvm-commits <llvm-commits at lists.llvm.org>
Subject: Re: [compiler-rt] r329817 - [cmake] Remove duplicate command line options from build

Here's working one:

: && /usr/local/google/home/alekseys/llvm-dev/build-release/bin/clang++ -fPIC --target=aarch64-linux-android22 --sysroot=/usr/local/google/home/alekseys/ndk/android-ndk-r16//standalone-arm64-api22/sysroot -B/usr/local/google/home/alekseys/ndk/android-ndk-r16//standalone-arm64-api22 -fPIE -g -fPIC -fvisibility-inlines-hidden -Werror=date-time -Werror=unguarded-availability-new -std=c++11 -Wall -W -Wno-unused-parameter -Wwrite-strings -Wcast-qual -Wmissing-field-initializers -pedantic -Wno-long-long -Wcovered-switch-default -Wnon-virtual-dtor -Wdelete-non-virtual-dtor -Wstring-conversion -fcolor-diagnostics -ffunction-sections -fdata-sections -Wall -std=c++11 -Wno-unused-parameter -O3  -Wl,-z,defs -Wl,-z,nodelete   -nodefaultlibs -Wl,-z,global -Wl,--version-script,/usr/local/google/home/alekseys/llvm-build-cop/build-android/projects/compiler-rt/lib/asan/clang_rt.asan-dynamic-aarch64.vers -Wl,-rpath-link,/usr/local/google/home/alekseys/llvm-build-cop/build-android/./lib -shared -Wl,-soname,libclang_rt.asan-aarch64-android.so<https://na01.safelinks.protection.outlook.com/?url=http%3A%2F%2Flibclang_rt.asan-aarch64-android.so&data=02%7C01%7Caaron.smith%40microsoft.com%7C9a829e38536e4800357908d59fcf75b2%7C72f988bf86f141af91ab2d7cd011db47%7C1%7C0%7C636590635750025451&sdata=fIGz0IhvlpYwqh%2BkjY%2FfywELfrG6G1WAzZMlDFWGnJc%3D&reserved=0> -o lib/clang/7.0.0/lib/linux/libclang_rt.asan-aarch64-android.so<https://na01.safelinks.protection.outlook.com/?url=http%3A%2F%2Flibclang_rt.asan-aarch64-android.so&data=02%7C01%7Caaron.smith%40microsoft.com%7C9a829e38536e4800357908d59fcf75b2%7C72f988bf86f141af91ab2d7cd011db47%7C1%7C0%7C636590635750025451&sdata=fIGz0IhvlpYwqh%2BkjY%2FfywELfrG6G1WAzZMlDFWGnJc%3D&reserved=0> projects/compiler-rt/lib/interception/CMakeFiles/RTInterception.aarch64.dir/interception_linux.cc.o projects/compiler-rt/lib/interception/CMakeFiles/RTInterception.aarch64.dir/interception_mac.cc.o projects/compiler-rt/lib/interception/CMakeFiles/RTInterception.aarch64.dir/interception_win.cc.o projects/compiler-rt/lib/interception/CMakeFiles/RTInterception.aarch64.dir/interception_type_test.cc.o projects/compiler-rt/lib/sanitizer_common/CMakeFiles/RTSanitizerCommon.aarch64.dir/sanitizer_allocator.cc.o projects/compiler-rt/lib/sanitizer_common/CMakeFiles/RTSanitizerCommon.aarch64.dir/sanitizer_common.cc.o projects/compiler-rt/lib/sanitizer_common/CMakeFiles/RTSanitizerCommon.aarch64.dir/sanitizer_deadlock_detector1.cc.o projects/compiler-rt/lib/sanitizer_common/CMakeFiles/RTSanitizerCommon.aarch64.dir/sanitizer_deadlock_detector2.cc.o projects/compiler-rt/lib/sanitizer_common/CMakeFiles/RTSanitizerCommon.aarch64.dir/sanitizer_errno.cc.o projects/compiler-rt/lib/sanitizer_common/CMakeFiles/RTSanitizerCommon.aarch64.dir/sanitizer_file.cc.o projects/compiler-rt/lib/sanitizer_common/CMakeFiles/RTSanitizerCommon.aarch64.dir/sanitizer_flags.cc.o projects/compiler-rt/lib/sanitizer_common/CMakeFiles/RTSanitizerCommon.aarch64.dir/sanitizer_flag_parser.cc.o projects/compiler-rt/lib/sanitizer_common/CMakeFiles/RTSanitizerCommon.aarch64.dir/sanitizer_fuchsia.cc.o projects/compiler-rt/lib/sanitizer_common/CMakeFiles/RTSanitizerCommon.aarch64.dir/sanitizer_libc.cc.o projects/compiler-rt/lib/sanitizer_common/CMakeFiles/RTSanitizerCommon.aarch64.dir/sanitizer_libignore.cc.o projects/compiler-rt/lib/sanitizer_common/CMakeFiles/RTSanitizerCommon.aarch64.dir/sanitizer_linux.cc.o projects/compiler-rt/lib/sanitizer_common/CMakeFiles/RTSanitizerCommon.aarch64.dir/sanitizer_linux_s390.cc.o projects/compiler-rt/lib/sanitizer_common/CMakeFiles/RTSanitizerCommon.aarch64.dir/sanitizer_mac.cc.o projects/compiler-rt/lib/sanitizer_common/CMakeFiles/RTSanitizerCommon.aarch64.dir/sanitizer_openbsd.cc.o projects/compiler-rt/lib/sanitizer_common/CMakeFiles/RTSanitizerCommon.aarch64.dir/sanitizer_persistent_allocator.cc.o 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On Wed, Apr 11, 2018 at 9:56 AM, Aleksey Shlyapnikov <alekseys at google.com<mailto:alekseys at google.com>> wrote:
Let me try it.

On Wed, Apr 11, 2018 at 9:44 AM, Aaron Smith <aaron.smith at microsoft.com<mailto:aaron.smith at microsoft.com>> wrote:
I looked at the last green build and nothing stands out as being different. Is it possible to get the command line for a build that works so that I can compare the options?

FAILED: : && /var/lib/buildbot/sanitizer-buildbot6/sanitizer-x86_64-linux-android/build/llvm_build64/bin/clang++ -fPIC --target=aarch64-linux-android --sysroot=/var/lib/buildbot/sanitizer-buildbot6/sanitizer-x86_64-linux-android/build/android_ndk/standalone-aarch64/sysroot -B/var/lib/buildbot/sanitizer-buildbot6/sanitizer-x86_64-linux-android/build/android_ndk/standalone-aarch64 -Wall -Werror -std=c++11 -Wno-unused-parameter -O3 -DNDEBUG  -nodefaultlibs -shared -Wl,-soname,libclang_rt.ubsan_standalone-aarch64-android.so<https://na01.safelinks.protection.outlook.com/?url=http%3A%2F%2Flibclang_rt.ubsan_standalone-aarch64-android.so&data=02%7C01%7Caaron.smith%40microsoft.com%7C9a829e38536e4800357908d59fcf75b2%7C72f988bf86f141af91ab2d7cd011db47%7C1%7C0%7C636590635750035464&sdata=8oMo3cRxUG6o28PIxnDrGmi3RdJVsDoCpuQRIM%2FbcSE%3D&reserved=0> -o /var/lib/buildbot/sanitizer-buildbot6/sanitizer-x86_64-linux-android/build/llvm_build64/lib/clang/7.0.0/lib/linux/libclang_rt.ubsan_standalone-aarch64-android.so<https://na01.safelinks.protection.outlook.com/?url=http%3A%2F%2Flibclang_rt.ubsan_standalone-aarch64-android.so&data=02%7C01%7Caaron.smith%40microsoft.com%7C9a829e38536e4800357908d59fcf75b2%7C72f988bf86f141af91ab2d7cd011db47%7C1%7C0%7C636590635750035464&sdata=8oMo3cRxUG6o28PIxnDrGmi3RdJVsDoCpuQRIM%2FbcSE%3D&reserved=0> lib/sanitizer_common/CMakeFiles/RTSanitizerCommon.aarch64.dir/sanitizer_allocator.cc.o lib/sanitizer_common/CMakeFiles/RTSanitizerCommon.aarch64.dir/sanitizer_common.cc.o lib/sanitizer_common/CMakeFiles/RTSanitizerCommon.aarch64.dir/sanitizer_deadlock_detector1.cc.o lib/sanitizer_common/CMakeFiles/RTSanitizerCommon.aarch64.dir/sanitizer_deadlock_detector2.cc.o lib/sanitizer_common/CMakeFiles/RTSanitizerCommon.aarch64.dir/sanitizer_errno.cc.o lib/sanitizer_common/CMakeFiles/RTSanitizerCommon.aarch64.dir/sanitizer_file.cc.o lib/sanitizer_common/CMakeFiles/RTSanitizerCommon.aarch64.dir/sanitizer_flags.cc.o lib/sanitizer_common/CMakeFiles/RTSanitizerCommon.aarch64.dir/sanitizer_flag_parser.cc.o lib/sanitizer_common/CMakeFiles/RTSanitizerCommon.aarch64.dir/sanitizer_fuchsia.cc.o lib/sanitizer_common/CMakeFiles/RTSanitizerCommon.aarch64.dir/sanitizer_libc.cc.o lib/sanitizer_common/CMakeFiles/RTSanitizerCommon.aarch64.dir/sanitizer_libignore.cc.o lib/sanitizer_common/CMakeFiles/RTSanitizerCommon.aarch64.dir/sanitizer_linux.cc.o lib/sanitizer_common/CMakeFiles/RTSanitizerCommon.aarch64.dir/sanitizer_linux_s390.cc.o lib/sanitizer_common/CMakeFiles/RTSanitizerCommon.aarch64.dir/sanitizer_mac.cc.o lib/sanitizer_common/CMakeFiles/RTSanitizerCommon.aarch64.dir/sanitizer_openbsd.cc.o lib/sanitizer_common/CMakeFiles/RTSanitizerCommon.aarch64.dir/sanitizer_persistent_allocator.cc.o 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lib/sanitizer_common/CMakeFiles/RTSanitizerCommonCoverage.aarch64.dir/sancov_flags.cc.o lib/sanitizer_common/CMakeFiles/RTSanitizerCommonCoverage.aarch64.dir/sanitizer_coverage_fuchsia.cc.o lib/sanitizer_common/CMakeFiles/RTSanitizerCommonCoverage.aarch64.dir/sanitizer_coverage_libcdep_new.cc.o lib/sanitizer_common/CMakeFiles/RTSanitizerCommonCoverage.aarch64.dir/sanitizer_coverage_win_sections.cc.o lib/ubsan/CMakeFiles/RTUbsan.aarch64.dir/ubsan_diag.cc.o lib/ubsan/CMakeFiles/RTUbsan.aarch64.dir/ubsan_init.cc.o lib/ubsan/CMakeFiles/RTUbsan.aarch64.dir/ubsan_flags.cc.o lib/ubsan/CMakeFiles/RTUbsan.aarch64.dir/ubsan_handlers.cc.o lib/ubsan/CMakeFiles/RTUbsan.aarch64.dir/ubsan_value.cc.o lib/ubsan/CMakeFiles/RTUbsan_cxx.aarch64.dir/ubsan_handlers_cxx.cc.o lib/ubsan/CMakeFiles/RTUbsan_cxx.aarch64.dir/ubsan_type_hash.cc.o lib/ubsan/CMakeFiles/RTUbsan_cxx.aarch64.dir/ubsan_type_hash_itanium.cc.o lib/ubsan/CMakeFiles/RTUbsan_cxx.aarch64.dir/ubsan_type_hash_win.cc.o lib/ubsan/CMakeFiles/RTUbsan_standalone.aarch64.dir/ubsan_diag_standalone.cc.o lib/ubsan/CMakeFiles/RTUbsan_standalone.aarch64.dir/ubsan_init_standalone.cc.o lib/ubsan/CMakeFiles/RTUbsan_standalone.aarch64.dir/ubsan_signals_standalone.cc.o lib/interception/CMakeFiles/RTInterception.aarch64.dir/interception_linux.cc.o lib/interception/CMakeFiles/RTInterception.aarch64.dir/interception_mac.cc.o lib/interception/CMakeFiles/RTInterception.aarch64.dir/interception_win.cc.o lib/interception/CMakeFiles/RTInterception.aarch64.dir/interception_type_test.cc.o  -lstdc++ -lgcc -lc -ldl -llog && :
/var/lib/buildbot/sanitizer-buildbot6/sanitizer-x86_64-linux-android/build/android_ndk/standalone-aarch64/lib/gcc/aarch64-linux-android/4.9.x/../../../../aarch64-linux-android/bin/ld: lib/sanitizer_common/CMakeFiles/RTSanitizerCommon.aarch64.dir/sanitizer_linux_x86_64.S.o: Relocations in generic ELF (EM: 62)
/var/lib/buildbot/sanitizer-buildbot6/sanitizer-x86_64-linux-android/build/android_ndk/standalone-aarch64/lib/gcc/aarch64-linux-android/4.9.x/../../../../aarch64-linux-android/bin/ld: lib/sanitizer_common/CMakeFiles/RTSanitizerCommon.aarch64.dir/sanitizer_linux_x86_64.S.o: Relocations in generic ELF (EM: 62)
/var/lib/buildbot/sanitizer-buildbot6/sanitizer-x86_64-linux-android/build/android_ndk/standalone-aarch64/lib/gcc/aarch64-linux-android/4.9.x/../../../../aarch64-linux-android/bin/ld: lib/sanitizer_common/CMakeFiles/RTSanitizerCommon.aarch64.dir/sanitizer_linux_x86_64.S.o: Relocations in generic ELF (EM: 62)
lib/sanitizer_common/CMakeFiles/RTSanitizerCommon.aarch64.dir/sanitizer_linux_x86_64.S.o: error adding symbols: File in wrong format
clang-6.0: error: linker command failed with exit code 1 (use -v to see invocation)
ninja: build stopped: subcommand failed.




From: Aleksey Shlyapnikov <alekseys at google.com<mailto:alekseys at google.com>>
Date: Wednesday, April 11, 2018 at 5:10 PM
To: Aaron Smith <aaron.smith at microsoft.com<mailto:aaron.smith at microsoft.com>>
Cc: llvm-commits <llvm-commits at lists.llvm.org<mailto:llvm-commits at lists.llvm.org>>
Subject: Re: [compiler-rt] r329817 - [cmake] Remove duplicate command line options from build

It seems like Android bot is not happy about this change: http://lab.llvm.org:8011/builders/sanitizer-x86_64-linux-android/builds/9558/steps/build%20android%2Faarch64/logs/stdio<https://na01.safelinks.protection.outlook.com/?url=http%3A%2F%2Flab.llvm.org%3A8011%2Fbuilders%2Fsanitizer-x86_64-linux-android%2Fbuilds%2F9558%2Fsteps%2Fbuild%2520android%252Faarch64%2Flogs%2Fstdio&data=02%7C01%7Caaron.smith%40microsoft.com%7Ced86240801524685379808d59fc6b4b7%7C72f988bf86f141af91ab2d7cd011db47%7C1%7C0%7C636590598150202482&sdata=ZV9vv4fm4jbIs27YWz1E3Xa0rWWf35kewxUx3BD3JUM%3D&reserved=0>

On Wed, Apr 11, 2018 at 7:56 AM, Aaron Smith via llvm-commits <llvm-commits at lists.llvm.org<mailto:llvm-commits at lists.llvm.org>> wrote:
Author: asmith
Date: Wed Apr 11 07:56:35 2018
New Revision: 329817

URL: http://llvm.org/viewvc/llvm-project?rev=329817&view=rev<https://na01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fllvm.org%2Fviewvc%2Fllvm-project%3Frev%3D329817%26view%3Drev&data=02%7C01%7Caaron.smith%40microsoft.com%7Ced86240801524685379808d59fc6b4b7%7C72f988bf86f141af91ab2d7cd011db47%7C1%7C0%7C636590598150202482&sdata=oJpvRDUHS%2B4vvtkEGeo6bZ1ig4xQknWbpA4uVRFHMCc%3D&reserved=0>
Log:
[cmake] Remove duplicate command line options from build

CMAKE_CXX_FLAGS was added twice to the command line. This causes the command
line options to be doubled which works until it doesn't as not all options
can be specified twice.

For example,

clang-cl foo.c /GS- /GS- -mllvm -small-loop-cost=1 -mllvm -small-loop-cost=1
clang (LLVM option parsing): for the -small-loop-cost option: may only occur zero or one times!

Modified:
    compiler-rt/trunk/cmake/Modules/AddCompilerRT.cmake

Modified: compiler-rt/trunk/cmake/Modules/AddCompilerRT.cmake
URL: http://llvm.org/viewvc/llvm-project/compiler-rt/trunk/cmake/Modules/AddCompilerRT.cmake?rev=329817&r1=329816&r2=329817&view=diff<https://na01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fllvm.org%2Fviewvc%2Fllvm-project%2Fcompiler-rt%2Ftrunk%2Fcmake%2FModules%2FAddCompilerRT.cmake%3Frev%3D329817%26r1%3D329816%26r2%3D329817%26view%3Ddiff&data=02%7C01%7Caaron.smith%40microsoft.com%7Ced86240801524685379808d59fc6b4b7%7C72f988bf86f141af91ab2d7cd011db47%7C1%7C0%7C636590598150212495&sdata=nXFKi7ZgGWbQZAZlhocHcpztpUP%2F0DPbe15K365AuGw%3D&reserved=0>
==============================================================================

--- compiler-rt/trunk/cmake/Modules/AddCompilerRT.cmake (original)
+++ compiler-rt/trunk/cmake/Modules/AddCompilerRT.cmake Wed Apr 11 07:56:35 2018
@@ -63,8 +63,8 @@ function(add_compiler_rt_object_librarie
       list(REMOVE_ITEM target_flags "-msse3")
     endif()

-    set_target_compile_flags(${libname}
-      ${CMAKE_CXX_FLAGS} ${extra_cflags_${libname}} ${target_flags})
+    set_target_compile_flags(${libname} ${extra_cflags_${libname}} ${target_flags})
+
     set_property(TARGET ${libname} APPEND PROPERTY
       COMPILE_DEFINITIONS ${LIB_DEFS})
     set_target_properties(${libname} PROPERTIES FOLDER "Compiler-RT Libraries")


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