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MLIR can't support -Bsymbolic link option, fail at CMake time with a helpful message instead of broken runtime

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Differential Revision: https://reviews.llvm.org/D110483
This commit is contained in:
Mehdi Amini 2021-09-25 17:24:55 +00:00
parent 320832cc9b
commit c3aed0d395
1 changed files with 6 additions and 0 deletions
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6
mlir/CMakeLists.txt
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@ -37,6 +37,12 @@ list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake/modules")
include(AddMLIR)
# -BSymbolic is incompatible with TypeID
if("${CMAKE_SHARED_LINKER_FLAGS}" MATCHES "-Bsymbolic[^-]")
message(FATAL_ERROR " MLIR does not support `-Bsymbolic` (see http://llvm.org/pr51420 ),"
" try `-Bsymbolic-functions` instead.")
endif()
# Forbid implicit function declaration: this may lead to subtle bugs and we
# don't have a reason to support this.
check_c_compiler_flag("-Werror=implicit-function-declaration" C_SUPPORTS_WERROR_IMPLICIT_FUNCTION_DECLARATION)