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authorPetr Hosek <phosek@chromium.org>2018-06-07 18:27:27 +0000
committerPetr Hosek <phosek@chromium.org>2018-06-07 18:27:27 +0000
commitafafc2ecb03bf24c85f58820dbed541bbaf4d723 (patch)
tree7a951a08026fa418cb94ca8f244edb43baeafa2e /cmake/Modules
parent341133044563731df0c69a90abd52a57aa24c47e (diff)
[CMake] Filter out -z,defs when building custom libc++
-z,defs is incompatible with sanitizers so we need to filter it out from the linker flags before passing them to the libc++ build. Differential Revision: https://reviews.llvm.org/D47865 git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@334212 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'cmake/Modules')
-rw-r--r--cmake/Modules/AddCompilerRT.cmake10
1 files changed, 7 insertions, 3 deletions
diff --git a/cmake/Modules/AddCompilerRT.cmake b/cmake/Modules/AddCompilerRT.cmake
index f1f955cf9..8338eb340 100644
--- a/cmake/Modules/AddCompilerRT.cmake
+++ b/cmake/Modules/AddCompilerRT.cmake
@@ -512,9 +512,6 @@ 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
@@ -536,6 +533,10 @@ macro(add_custom_libcxx name prefix)
set(LIBCXX_C_FLAGS "${CMAKE_C_FLAGS} ${FLAGS_STRING}")
set(LIBCXX_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${FLAGS_STRING}")
+ string(REPLACE "-Wl,-z,defs" "" LIBCXX_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS}")
+ string(REPLACE "-Wl,-z,defs" "" LIBCXX_MODULE_LINKER_FLAGS "${CMAKE_MODULE_LINKER_FLAGS}")
+ string(REPLACE "-Wl,-z,defs" "" LIBCXX_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS}")
+
ExternalProject_Add(${name}
DEPENDS ${name}-clobber ${LIBCXX_DEPS}
PREFIX ${prefix}
@@ -546,6 +547,9 @@ macro(add_custom_libcxx name prefix)
${compiler_args}
-DCMAKE_C_FLAGS=${LIBCXX_C_FLAGS}
-DCMAKE_CXX_FLAGS=${LIBCXX_CXX_FLAGS}
+ -DCMAKE_SHARED_LINKER_FLAGS=${LIBCXX_SHARED_LINKER_FLAGS}
+ -DCMAKE_MODULE_LINKER_FLAGS=${LIBCXX_MODULE_LINKER_FLAGS}
+ -DCMAKE_EXE_LINKER_FLAGS=${LIBCXX_EXE_LINKER_FLAGS}
-DCMAKE_BUILD_TYPE=Release
-DLLVM_PATH=${LLVM_MAIN_SRC_DIR}
-DLLVM_BINARY_DIR=${prefix}