diff options
| author | Chris Bieneman <beanz@apple.com> | 2015-08-20 17:35:56 +0000 |
|---|---|---|
| committer | Chris Bieneman <beanz@apple.com> | 2015-08-20 17:35:56 +0000 |
| commit | 2bb043561c6c82c396e3ff4944e31d283d32ae40 (patch) | |
| tree | f984bece440651e5f52879c7aa49e147a3176e11 /cmake/Modules/CompilerRTCompile.cmake | |
| parent | b060760d63c2e9afea2e628ec62b3c5e14a450c5 (diff) | |
[CMake] [OS X] Don't require command line tools installations for running compiler-rt tests.
If you're on an Apple platform and /usr/include doesn't exist, we should set a sysroot flag when calling clang.
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@245581 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'cmake/Modules/CompilerRTCompile.cmake')
| -rw-r--r-- | cmake/Modules/CompilerRTCompile.cmake | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/cmake/Modules/CompilerRTCompile.cmake b/cmake/Modules/CompilerRTCompile.cmake index b2e62dd0b..289195e4b 100644 --- a/cmake/Modules/CompilerRTCompile.cmake +++ b/cmake/Modules/CompilerRTCompile.cmake @@ -24,6 +24,19 @@ function(translate_msvc_cflags out_flags msvc_flags) set(${out_flags} "${clang_flags}" PARENT_SCOPE) endfunction() +if (APPLE) + # On Darwin if /usr/include doesn't exist, the user probably has Xcode but not + # the command line tools. If this is the case, we need to find the OS X + # sysroot to pass to clang. + if(NOT EXISTS /usr/include) + execute_process(COMMAND xcodebuild -version -sdk macosx Path + OUTPUT_VARIABLE OSX_SYSROOT + ERROR_QUIET + OUTPUT_STRIP_TRAILING_WHITESPACE) + set(OSX_SYSROOT_FLAG "-isysroot ${OSX_SYSROOT}") + endif() +endif() + # Compile a source into an object file with COMPILER_RT_TEST_COMPILER using # a provided compile flags and dependenices. # clang_compile(<object> <source> @@ -49,6 +62,10 @@ macro(clang_compile object_file source) translate_msvc_cflags(global_flags "${global_flags}") endif() + if (APPLE) + set(global_flags ${OSX_SYSROOT_FLAG} ${global_flags}) + endif() + # Ignore unknown warnings. CMAKE_CXX_FLAGS may contain GCC-specific options # which are not supported by Clang. list(APPEND global_flags -Wno-unknown-warning-option) @@ -72,7 +89,7 @@ endmacro() macro(clang_compiler_add_cxx_check) if (APPLE) set(CMD - "echo '#include <iostream>' | ${COMPILER_RT_TEST_COMPILER} -E -x c++ - > /dev/null" + "echo '#include <iostream>' | ${COMPILER_RT_TEST_COMPILER} ${OSX_SYSROOT_FLAG} -E -x c++ - > /dev/null" "if [ $? != 0 ] " " then echo" " echo 'Your just-built clang cannot find C++ headers, which are needed to build and run compiler-rt tests.'" |