diff options
Diffstat (limited to 'attic/modules/CheckCXXSourceRuns.cmake')
-rw-r--r-- | attic/modules/CheckCXXSourceRuns.cmake | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/attic/modules/CheckCXXSourceRuns.cmake b/attic/modules/CheckCXXSourceRuns.cmake new file mode 100644 index 00000000..c18d8b37 --- /dev/null +++ b/attic/modules/CheckCXXSourceRuns.cmake @@ -0,0 +1,81 @@ +# - Check if the C++ source code provided in the SOURCE argument compiles and runs. +# CHECK_CXX_SOURCE_RUNS(SOURCE VAR) +# +# SOURCE - source code to try to compile +# VAR - variable to store the result, 1 for success, empty for failure +# +# The following variables may be set before calling this macro to +# modify the way the check is run: +# +# CMAKE_REQUIRED_FLAGS = string of compile command line flags +# CMAKE_REQUIRED_DEFINITIONS = list of macros to define (-DFOO=bar) +# CMAKE_REQUIRED_INCLUDES = list of include directories +# CMAKE_REQUIRED_LIBRARIES = list of libraries to link + +GET_FILENAME_COMPONENT(_CHECK_CXX_SOURCE_RUNS_DIR ${CMAKE_CURRENT_LIST_FILE} PATH) +INCLUDE(${_CHECK_CXX_SOURCE_RUNS_DIR}/HandleImportedTargetsInCMakeRequiredLibraries.cmake) + +MACRO(CHECK_CXX_SOURCE_RUNS SOURCE VAR) + IF("${VAR}" MATCHES "^${VAR}$") + SET(MACRO_CHECK_FUNCTION_DEFINITIONS + "-D${VAR} ${CMAKE_REQUIRED_FLAGS}") + IF(CMAKE_REQUIRED_LIBRARIES) + # this one translates potentially used imported library targets to their files on disk + HANDLE_IMPORTED_TARGETS_IN_CMAKE_REQUIRED_LIBRARIES(_CHECK_CXX_SOURCE_RUNS_CMAKE_REQUIRED_LIBRARES) + + SET(CHECK_CXX_SOURCE_COMPILES_ADD_LIBRARIES + "-DLINK_LIBRARIES:STRING=${_CHECK_CXX_SOURCE_RUNS_CMAKE_REQUIRED_LIBRARES}") +# "-DLINK_LIBRARIES:STRING=${CMAKE_REQUIRED_LIBRARIES}") + ELSE(CMAKE_REQUIRED_LIBRARIES) + SET(CHECK_CXX_SOURCE_COMPILES_ADD_LIBRARIES) + ENDIF(CMAKE_REQUIRED_LIBRARIES) + IF(CMAKE_REQUIRED_INCLUDES) + SET(CHECK_CXX_SOURCE_COMPILES_ADD_INCLUDES + "-DINCLUDE_DIRECTORIES:STRING=${CMAKE_REQUIRED_INCLUDES}") + ELSE(CMAKE_REQUIRED_INCLUDES) + SET(CHECK_CXX_SOURCE_COMPILES_ADD_INCLUDES) + ENDIF(CMAKE_REQUIRED_INCLUDES) + FILE(WRITE "${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/src.cxx" + "${SOURCE}\n") + + MESSAGE(STATUS "Performing Test ${VAR}") + TRY_RUN(${VAR}_EXITCODE ${VAR}_COMPILED + ${CMAKE_BINARY_DIR} + ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/src.cxx + COMPILE_DEFINITIONS ${CMAKE_REQUIRED_DEFINITIONS} + CMAKE_FLAGS -DCOMPILE_DEFINITIONS:STRING=${MACRO_CHECK_FUNCTION_DEFINITIONS} + -DCMAKE_SKIP_RPATH:BOOL=${CMAKE_SKIP_RPATH} + "${CHECK_CXX_SOURCE_COMPILES_ADD_LIBRARIES}" + "${CHECK_CXX_SOURCE_COMPILES_ADD_INCLUDES}" + COMPILE_OUTPUT_VARIABLE OUTPUT) + + # if it did not compile make the return value fail code of 1 + IF(NOT ${VAR}_COMPILED) + SET(${VAR}_EXITCODE 1) + ENDIF(NOT ${VAR}_COMPILED) + # if the return value was 0 then it worked + IF("${${VAR}_EXITCODE}" EQUAL 0) + SET(${VAR} 1 CACHE INTERNAL "Test ${VAR}") + MESSAGE(STATUS "Performing Test ${VAR} - Success") + FILE(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeOutput.log + "Performing C++ SOURCE FILE Test ${VAR} succeded with the following output:\n" + "${OUTPUT}\n" + "Return value: ${${VAR}}\n" + "Source file was:\n${SOURCE}\n") + ELSE("${${VAR}_EXITCODE}" EQUAL 0) + IF(CMAKE_CROSSCOMPILING AND "${${VAR}_EXITCODE}" MATCHES "FAILED_TO_RUN") + SET(${VAR} "${${VAR}_EXITCODE}") + ELSE(CMAKE_CROSSCOMPILING AND "${${VAR}_EXITCODE}" MATCHES "FAILED_TO_RUN") + SET(${VAR} "" CACHE INTERNAL "Test ${VAR}") + ENDIF(CMAKE_CROSSCOMPILING AND "${${VAR}_EXITCODE}" MATCHES "FAILED_TO_RUN") + + MESSAGE(STATUS "Performing Test ${VAR} - Failed") + FILE(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeError.log + "Performing C++ SOURCE FILE Test ${VAR} failed with the following output:\n" + "${OUTPUT}\n" + "Return value: ${${VAR}_EXITCODE}\n" + "Source file was:\n${SOURCE}\n") + ENDIF("${${VAR}_EXITCODE}" EQUAL 0) + ENDIF("${VAR}" MATCHES "^${VAR}$") +ENDMACRO(CHECK_CXX_SOURCE_RUNS) + |