diff options
Diffstat (limited to 'libcxx/cmake')
| -rw-r--r-- | libcxx/cmake/config-ix.cmake | 23 |
1 files changed, 2 insertions, 21 deletions
diff --git a/libcxx/cmake/config-ix.cmake b/libcxx/cmake/config-ix.cmake index b4c9ac482cf..3e6c3599d23 100644 --- a/libcxx/cmake/config-ix.cmake +++ b/libcxx/cmake/config-ix.cmake @@ -1,26 +1,5 @@ include(CheckLibraryExists) include(CheckCXXCompilerFlag) - -check_library_exists(c fopen "" LIBCXX_HAS_C_LIB) -check_library_exists(gcc_s __gcc_personality_v0 "" LIBCXX_HAS_GCC_S_LIB) - -# libc++ is built with -nodefaultlibs, so we want all our checks to also -# use this option, otherwise we may end up with an inconsistency between -# the flags we think we require during configuration (if the checks are -# performed without -nodefaultlibs) and the flags that are actually -# required during compilation (which has the -nodefaultlibs). libc is -# required for the link to go through. -check_cxx_compiler_flag(-nodefaultlibs LIBCXX_SUPPORTS_NODEFAULTLIBS_FLAG) -if (LIBCXX_SUPPORTS_NODEFAULTLIBS_FLAG) - list(APPEND CMAKE_REQUIRED_LIBRARIES -nodefaultlibs) - if (LIBCXX_HAS_C_LIB) - list(APPEND CMAKE_REQUIRED_LIBRARIES c) - endif () - if (LIBCXX_HAS_GCC_S_LIB) - list(APPEND CMAKE_REQUIRED_LIBRARIES gcc_s) - endif () -endif () - include(CheckLibcxxAtomic) # Check compiler flags @@ -35,5 +14,7 @@ check_cxx_compiler_flag(/GR- LIBCXX_HAS_NO_GR_FLAG) # Check libraries check_library_exists(pthread pthread_create "" LIBCXX_HAS_PTHREAD_LIB) +check_library_exists(c fopen "" LIBCXX_HAS_C_LIB) check_library_exists(m ccos "" LIBCXX_HAS_M_LIB) check_library_exists(rt clock_gettime "" LIBCXX_HAS_RT_LIB) +check_library_exists(gcc_s __gcc_personality_v0 "" LIBCXX_HAS_GCC_S_LIB) |
