Author: phosek Date: Sun Oct 23 16:48:27 2016 New Revision: 284950 URL: http://llvm.org/viewvc/llvm-project?rev=284950&view=rev Log: [libcxx] Use C++14 when building libc++ with musl
musl's pthread implementations use volatile types in their structs which is not being constexpr in C++11 but is in C++14. Differential Revision: https://reviews.llvm.org/D25491 Modified: libcxx/trunk/CMakeLists.txt Modified: libcxx/trunk/CMakeLists.txt URL: http://llvm.org/viewvc/llvm-project/libcxx/trunk/CMakeLists.txt?rev=284950&r1=284949&r2=284950&view=diff ============================================================================== --- libcxx/trunk/CMakeLists.txt (original) +++ libcxx/trunk/CMakeLists.txt Sun Oct 23 16:48:27 2016 @@ -325,6 +325,11 @@ remove_flags(-Wno-pedantic -pedantic-err # Required flags ============================================================== set(LIBCXX_STANDARD_VER c++11 CACHE INTERNAL "internal option to change build dialect") +if (LIBCXX_HAS_MUSL_LIBC) + # musl's pthread implementations uses volatile types in their structs which is + # not a constexpr in C++11 but is in C++14, so we use C++14 with musl. + set(LIBCXX_STANDARD_VER c++14 CACHE INTERNAL "internal option to change build dialect") +endif() add_compile_flags_if_supported(-std=${LIBCXX_STANDARD_VER}) mangle_name("LIBCXX_SUPPORTS_STD_EQ_${LIBCXX_STANDARD_VER}_FLAG" SUPPORTS_DIALECT_NAME) if (NOT MSVC AND NOT ${SUPPORTS_DIALECT_NAME}) _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org http://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
