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| author | Petr Hosek <phosek@chromium.org> | 2018-11-03 01:38:26 +0000 |
|---|---|---|
| committer | Petr Hosek <phosek@chromium.org> | 2018-11-03 01:38:26 +0000 |
| commit | f2a8d8d02d6a077ce40381810ed5ffa0b7278e2f (patch) | |
| tree | 38b0c5369fc750b38340e1acfae4f9c088a0b76a /cmake/Modules | |
| parent | e19914db4f2a004b2d4939d33c0986dcd6ac7a78 (diff) | |
| download | compiler-rt-f2a8d8d02d6a077ce40381810ed5ffa0b7278e2f.tar.gz | |
[compiler-rt] Support for passing through linker flags to libc++ build
This may be needed when cross-compiling to certain platforms.
Differential Revision: https://reviews.llvm.org/D54027
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@346063 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'cmake/Modules')
| -rw-r--r-- | cmake/Modules/AddCompilerRT.cmake | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/cmake/Modules/AddCompilerRT.cmake b/cmake/Modules/AddCompilerRT.cmake index f6142f842..81b110203 100644 --- a/cmake/Modules/AddCompilerRT.cmake +++ b/cmake/Modules/AddCompilerRT.cmake @@ -551,6 +551,9 @@ macro(add_custom_libcxx name prefix) set(PASSTHROUGH_VARIABLES CMAKE_C_COMPILER_TARGET CMAKE_CXX_COMPILER_TARGET + CMAKE_SHARED_LINKER_FLAGS + CMAKE_MODULE_LINKER_FLAGS + CMAKE_EXE_LINKER_FLAGS CMAKE_INSTALL_PREFIX CMAKE_MAKE_PROGRAM CMAKE_LINKER @@ -563,8 +566,10 @@ macro(add_custom_libcxx name prefix) CMAKE_SYSROOT CMAKE_SYSTEM_NAME) foreach(variable ${PASSTHROUGH_VARIABLES}) - if(${variable}) - list(APPEND CMAKE_PASSTHROUGH_VARIABLES -D${variable}=${${variable}}) + get_property(is_value_set CACHE ${variable} PROPERTY VALUE SET) + if(${is_value_set}) + get_property(value CACHE ${variable} PROPERTY VALUE) + list(APPEND CMAKE_PASSTHROUGH_VARIABLES -D${variable}=${value}) endif() endforeach() |