Заплатка для версий CMake < 3.8.0

2020-12-23 09:36:24 +03:00 · 2020-12-23 09:36:24 +03:00 · 0f5a90952b
commit 0f5a90952b
parent a0cc72077c
1 changed files with 8 additions and 4 deletions
--- a/CMLibCompilerFlags.cmake
+++ b/CMLibCompilerFlags.cmake
@ -36,11 +36,15 @@ set(CMAKE_CXX_STANDARD_REQUIRED YES)

 check_cxx_compiler_flag(-std=c++17 HAVE_FLAG_STD_CXX17)
 if(HAVE_FLAG_STD_CXX17)
+  if(${CMAKE_VERSION} VERSION_LESS "3.8.0")
+    check_enable_cxx_flag(-std=c++17)
+  else()
    set(CMAKE_CXX_STANDARD 17)
    check_cxx_compiler_flag(-std=gnu++17 HAVE_FLAG_STD_GNUXX17)
    if(HAVE_FLAG_STD_GNUXX17)
      set(CMAKE_CXX_EXTENSIONS YES)
    endif()
+  endif()
 else()
  check_cxx_compiler_flag(-std=c++14 HAVE_FLAG_STD_CXX14)
  if(HAVE_FLAG_STD_CXX14)