cmake: repair GCC PCH

9 years ago · a3f74aaaaf
parent 63280767f1
commit a3f74aaaaf
1 changed files with 8 additions and 0 deletions
--- a/cmake/OpenCVPCHSupport.cmake
+++ b/cmake/OpenCVPCHSupport.cmake
@ -291,6 +291,14 @@ MACRO(ADD_PRECOMPILED_HEADER _targetName _input)

    ADD_PRECOMPILED_HEADER_TO_TARGET(${_targetName} ${_input}  ${_output} ${_dowarn})

+
+    GET_TARGET_PROPERTY(oldProps ${_targetName} COMPILE_FLAGS)
+    if (oldProps MATCHES NOTFOUND)
+        SET(oldProps "")
+    endif()
+    SET(newProperties "${oldProps} -include \"${CMAKE_CURRENT_BINARY_DIR}/${_name}\"")
+    SET_TARGET_PROPERTIES(${_targetName} PROPERTIES COMPILE_FLAGS "${newProperties}")
+
 ENDMACRO(ADD_PRECOMPILED_HEADER)