diff options
| -rw-r--r-- | modules/FindKDE4Internal.cmake | 15 |
1 files changed, 6 insertions, 9 deletions
diff --git a/modules/FindKDE4Internal.cmake b/modules/FindKDE4Internal.cmake index a31a81d5..c54cdc24 100644 --- a/modules/FindKDE4Internal.cmake +++ b/modules/FindKDE4Internal.cmake @@ -1159,31 +1159,28 @@ if (CMAKE_COMPILER_IS_GNUCXX) string(REGEX MATCH "(--enable-libstdcxx-allocator=mt)" _GCC_COMPILED_WITH_BAD_ALLOCATOR "${_gcc_alloc_info}") endif (GCC_IS_NEWER_THAN_4_1) - if (__KDE_HAVE_GCC_VISIBILITY AND GCC_IS_NEWER_THAN_4_1 AND NOT _GCC_COMPILED_WITH_BAD_ALLOCATOR AND NOT WIN32 AND NOT CMAKE_CROSSCOMPILING) + if (__KDE_HAVE_GCC_VISIBILITY AND GCC_IS_NEWER_THAN_4_1 AND NOT _GCC_COMPILED_WITH_BAD_ALLOCATOR AND NOT WIN32) set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fvisibility=hidden") set (KDE4_C_FLAGS "-fvisibility=hidden") # check that Qt defines Q_DECL_EXPORT as __attribute__ ((visibility("default"))) # if it doesn't and KDE compiles with hidden default visibiltiy plugins will break - set(_source "#include <QtCore/QtGlobal>\n int main()\n {\n #ifdef QT_VISIBILITY_AVAILABLE \n return 0;\n #else \n return 1; \n #endif \n }\n") + set(_source "#include <QtCore/QtGlobal>\n int main()\n {\n #ifndef QT_VISIBILITY_AVAILABLE \n #error QT_VISIBILITY_AVAILABLE is not available\n #endif \n }\n") set(_source_file ${CMAKE_BINARY_DIR}/CMakeTmp/check_qt_visibility.cpp) file(WRITE "${_source_file}" "${_source}") set(_include_dirs "-DINCLUDE_DIRECTORIES:STRING=${QT_INCLUDES}") - try_run(_run_result _compile_result ${CMAKE_BINARY_DIR} ${_source_file} CMAKE_FLAGS "${_include_dirs}" COMPILE_OUTPUT_VARIABLE _compile_output_var) + try_compile(_compile_result ${CMAKE_BINARY_DIR} ${_source_file} CMAKE_FLAGS "${_include_dirs}" COMPILE_OUTPUT_VARIABLE _compile_output_var) - if(NOT _compile_result) - message(FATAL_ERROR "Could not compile simple test program:\n ${_source}\n${_compile_output_var}") - endif(NOT _compile_result) - if(_run_result) + if(NOT _run_result) message(FATAL_ERROR "Qt compiled without support for -fvisibility=hidden. This will break plugins and linking of some applications. Please fix your Qt installation.") - endif(_run_result) + endif(NOT _run_result) if (GCC_IS_NEWER_THAN_4_2) set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fvisibility-inlines-hidden") endif (GCC_IS_NEWER_THAN_4_2) else (__KDE_HAVE_GCC_VISIBILITY AND GCC_IS_NEWER_THAN_4_1 AND NOT _GCC_COMPILED_WITH_BAD_ALLOCATOR AND NOT WIN32) set (__KDE_HAVE_GCC_VISIBILITY 0) - endif (__KDE_HAVE_GCC_VISIBILITY AND GCC_IS_NEWER_THAN_4_1 AND NOT _GCC_COMPILED_WITH_BAD_ALLOCATOR AND NOT WIN32 AND NOT CMAKE_CROSSCOMPILING) + endif (__KDE_HAVE_GCC_VISIBILITY AND GCC_IS_NEWER_THAN_4_1 AND NOT _GCC_COMPILED_WITH_BAD_ALLOCATOR AND NOT WIN32) endif (CMAKE_COMPILER_IS_GNUCXX) |