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[libcxx][libcxxabi] Remove the unused CMake checks 

These seemed to have been used in the past but were since removed
by the add_compile_flags_if_supported functions that combine these
these checks and adding the flag, but the original checks were never
removed.

Differential Revision: https://reviews.llvm.org/D62566

llvm-svn: 362058
This commit is contained in:
Petr Hosek 2019-05-30 06:08:56 +00:00
parent f1ddf431b5
commit 0528726a69
2 changed files with 1 additions and 41 deletions
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9
libcxx/cmake/config-ix.cmake
View File

@ -76,15 +76,6 @@ if(NOT WIN32 OR MINGW)
include(CheckLibcxxAtomic)
endif()
# Check compiler flags
check_cxx_compiler_flag(/WX LIBCXX_HAS_WX_FLAG)
check_cxx_compiler_flag(/WX- LIBCXX_HAS_NO_WX_FLAG)
check_cxx_compiler_flag(/EHsc LIBCXX_HAS_EHSC_FLAG)
check_cxx_compiler_flag(/EHs- LIBCXX_HAS_NO_EHS_FLAG)
check_cxx_compiler_flag(/EHa- LIBCXX_HAS_NO_EHA_FLAG)
check_cxx_compiler_flag(/GR- LIBCXX_HAS_NO_GR_FLAG)
# Check libraries
if(WIN32 AND NOT MINGW)
# TODO(compnerd) do we want to support an emulation layer that allows for the

33
libcxxabi/cmake/config-ix.cmake
View File

@ -62,38 +62,7 @@ int main() { return 0; }
endif()
# Check compiler flags
check_c_compiler_flag(-funwind-tables LIBCXXABI_HAS_FUNWIND_TABLES)
check_cxx_compiler_flag(-fno-exceptions LIBCXXABI_HAS_NO_EXCEPTIONS_FLAG)
check_cxx_compiler_flag(-fno-rtti LIBCXXABI_HAS_NO_RTTI_FLAG)
check_cxx_compiler_flag(-fstrict-aliasing LIBCXXABI_HAS_FSTRICT_ALIASING_FLAG)
check_cxx_compiler_flag(-nostdinc++ LIBCXXABI_HAS_NOSTDINCXX_FLAG)
check_cxx_compiler_flag(-Wall LIBCXXABI_HAS_WALL_FLAG)
check_cxx_compiler_flag(-W LIBCXXABI_HAS_W_FLAG)
check_cxx_compiler_flag(-Wunused-function LIBCXXABI_HAS_WUNUSED_FUNCTION_FLAG)
check_cxx_compiler_flag(-Wunused-variable LIBCXXABI_HAS_WUNUSED_VARIABLE_FLAG)
check_cxx_compiler_flag(-Wunused-parameter LIBCXXABI_HAS_WUNUSED_PARAMETER_FLAG)
check_cxx_compiler_flag(-Wstrict-aliasing LIBCXXABI_HAS_WSTRICT_ALIASING_FLAG)
check_cxx_compiler_flag(-Wstrict-overflow LIBCXXABI_HAS_WSTRICT_OVERFLOW_FLAG)
check_cxx_compiler_flag(-Wwrite-strings LIBCXXABI_HAS_WWRITE_STRINGS_FLAG)
check_cxx_compiler_flag(-Wchar-subscripts LIBCXXABI_HAS_WCHAR_SUBSCRIPTS_FLAG)
check_cxx_compiler_flag(-Wmismatched-tags LIBCXXABI_HAS_WMISMATCHED_TAGS_FLAG)
check_cxx_compiler_flag(-Wmissing-braces LIBCXXABI_HAS_WMISSING_BRACES_FLAG)
check_cxx_compiler_flag(-Wshorten-64-to-32 LIBCXXABI_HAS_WSHORTEN_64_TO_32_FLAG)
check_cxx_compiler_flag(-Wsign-conversion LIBCXXABI_HAS_WSIGN_CONVERSION_FLAG)
check_cxx_compiler_flag(-Wsign-compare LIBCXXABI_HAS_WSIGN_COMPARE_FLAG)
check_cxx_compiler_flag(-Wshadow LIBCXXABI_HAS_WSHADOW_FLAG)
check_cxx_compiler_flag(-Wconversion LIBCXXABI_HAS_WCONVERSION_FLAG)
check_cxx_compiler_flag(-Wnewline-eof LIBCXXABI_HAS_WNEWLINE_EOF_FLAG)
check_cxx_compiler_flag(-Wundef LIBCXXABI_HAS_WUNDEF_FLAG)
check_cxx_compiler_flag(-pedantic LIBCXXABI_HAS_PEDANTIC_FLAG)
check_cxx_compiler_flag(-Werror LIBCXXABI_HAS_WERROR_FLAG)
check_cxx_compiler_flag(-Wno-error LIBCXXABI_HAS_WNO_ERROR_FLAG)
check_cxx_compiler_flag(/WX LIBCXXABI_HAS_WX_FLAG)
check_cxx_compiler_flag(/WX- LIBCXXABI_HAS_NO_WX_FLAG)
check_cxx_compiler_flag(/EHsc LIBCXXABI_HAS_EHSC_FLAG)
check_cxx_compiler_flag(/EHs- LIBCXXABI_HAS_NO_EHS_FLAG)
check_cxx_compiler_flag(/EHa- LIBCXXABI_HAS_NO_EHA_FLAG)
check_cxx_compiler_flag(/GR- LIBCXXABI_HAS_NO_GR_FLAG)
check_cxx_compiler_flag(-nostdinc++ LIBCXXABI_HAS_NOSTDINCXX_FLAG)
# Check libraries
check_library_exists(dl dladdr "" LIBCXXABI_HAS_DL_LIB)