#1854 Fixed Mac OS X build with Clang

13 years ago · 7bfc50b84d
parent 09140c2fc6
commit 7bfc50b84d
1 changed files with 9 additions and 6 deletions
--- a/cmake/OpenCVDetectCXXCompiler.cmake
+++ b/cmake/OpenCVDetectCXXCompiler.cmake
@ -5,12 +5,15 @@ if(CMAKE_CL_64)
    set(MSVC64 1)
 endif()

-if(CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
-  set(CMAKE_COMPILER_IS_GNUCXX 1)
-endif()
-
-if(CMAKE_C_COMPILER_ID STREQUAL "Clang")
-  set(CMAKE_COMPILER_IS_GNUC 1) 
+if(NOT APPLE)
+  if(CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
+    set(CMAKE_COMPILER_IS_GNUCXX 1)
+    unset(ENABLE_PRECOMPILED_HEADERS CACHE)
+  endif()
+  if(CMAKE_C_COMPILER_ID STREQUAL "Clang")
+    set(CMAKE_COMPILER_IS_GNUC 1)
+    unset(ENABLE_PRECOMPILED_HEADERS CACHE)
+  endif()
 endif()

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