CMakeLists.txt: also match 'AppleClang' compiler to not link with libc++

3 years ago · 53eeeab0e3
parent 88bb746b42
commit 53eeeab0e3
1 changed files with 3 additions and 1 deletions
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@ -462,7 +462,9 @@ if (UNIX OR MINGW)
    link_libraries(-Bsymbolic-functions)
  endif ()

-  if (CMAKE_CXX_COMPILER_ID STREQUAL "Clang" OR CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
+  # As of CMake 3.0.0, the compiler id for Apple-provided Clang is now "AppleClang";
+  # thus we use MATCHES instead of STREQUAL to include either regular Clang or AppleClang
+  if (CMAKE_CXX_COMPILER_ID MATCHES "Clang" OR CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
    # Make sure we don't link to libstdc++
    set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fno-rtti -fno-exceptions")
    set (CMAKE_CXX_IMPLICIT_LINK_LIBRARIES "m") # libm