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[CMake] Don't use -Bsymbolic-functions for MinGW targets

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This is an ELF specific option which isn't supported for Windows/MinGW
targets, even if the MinGW linker otherwise uses an ld.bfd like linker
interface.

Differential Revision: https://reviews.llvm.org/D105148
This commit is contained in:
Martin Storsjö 2021-06-29 23:49:31 +03:00
parent 9762f12c6c
commit bf6770f9bd
2 changed files with 8 additions and 6 deletions
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2
clang/tools/clang-shlib/CMakeLists.txt
View File

@ -50,6 +50,6 @@ add_clang_library(clang-cpp
${_DEPS})
# Optimize function calls for default visibility definitions to avoid PLT and
# reduce dynamic relocations.
if (NOT APPLE)
if (NOT APPLE AND NOT MINGW)
target_link_options(clang-cpp PRIVATE LINKER:-Bsymbolic-functions)
endif()

12
llvm/tools/llvm-shlib/CMakeLists.txt
View File

@ -50,11 +50,13 @@ if(LLVM_BUILD_LLVM_DYLIB)
# Solaris ld does not accept global: *; so there is no way to version *all* global symbols
set(LIB_NAMES -Wl,--version-script,${LLVM_LIBRARY_DIR}/tools/llvm-shlib/simple_version_script.map ${LIB_NAMES})
endif()
# Optimize function calls for default visibility definitions to avoid PLT and
# reduce dynamic relocations.
# Note: for -fno-pic default, the address of a function may be different from
# inside and outside libLLVM.so.
target_link_options(LLVM PRIVATE LINKER:-Bsymbolic-functions)
if (NOT MINGW)
# Optimize function calls for default visibility definitions to avoid PLT and
# reduce dynamic relocations.
# Note: for -fno-pic default, the address of a function may be different from
# inside and outside libLLVM.so.
target_link_options(LLVM PRIVATE LINKER:-Bsymbolic-functions)
endif()
elseif("${CMAKE_SYSTEM_NAME}" STREQUAL "Darwin")
set(LIB_NAMES -Wl,-all_load ${LIB_NAMES})
endif()