diff options
| -rw-r--r-- | attic/modules/CheckCXXSourceCompiles.cmake | 30 |
1 files changed, 24 insertions, 6 deletions
diff --git a/attic/modules/CheckCXXSourceCompiles.cmake b/attic/modules/CheckCXXSourceCompiles.cmake index ba7f185c..d2ba293f 100644 --- a/attic/modules/CheckCXXSourceCompiles.cmake +++ b/attic/modules/CheckCXXSourceCompiles.cmake @@ -1,9 +1,8 @@ -# - Check if the source code provided in the SOURCE argument compiles. -# CHECK_CXX_SOURCE_COMPILES(SOURCE VAR) -# - macro which checks if the source code compiles -# SOURCE - source code to try to compile -# VAR - variable to store whether the source code compiled -# +# - Check if given C++ source compiles and links into an executable +# CHECK_CXX_SOURCE_COMPILES(<code> <var> [FAIL_REGEX <fail-regex>]) +# <code> - source code to try to compile, must define 'main' +# <var> - variable to store whether the source code compiled +# <fail-regex> - fail if test output matches this regex # The following variables may be set before calling this macro to # modify the way the check is run: # @@ -18,6 +17,18 @@ INCLUDE(${_CHECK_CXX_SOURCE_COMPILES_DIR}/HandleImportedTargetsInCMakeRequiredLi MACRO(CHECK_CXX_SOURCE_COMPILES SOURCE VAR) IF("${VAR}" MATCHES "^${VAR}$") + SET(_FAIL_REGEX) + SET(_key) + FOREACH(arg ${ARGN}) + IF("${arg}" MATCHES "^(FAIL_REGEX)$") + SET(_key "${arg}") + ELSEIF(_key) + LIST(APPEND _${_key} "${arg}") + ELSE() + MESSAGE(FATAL_ERROR "Unknown argument:\n ${arg}\n") + ENDIF() + ENDFOREACH() + SET(MACRO_CHECK_FUNCTION_DEFINITIONS "-D${VAR} ${CMAKE_REQUIRED_FLAGS}") IF(CMAKE_REQUIRED_LIBRARIES) @@ -48,6 +59,13 @@ MACRO(CHECK_CXX_SOURCE_COMPILES SOURCE VAR) "${CHECK_CXX_SOURCE_COMPILES_ADD_LIBRARIES}" "${CHECK_CXX_SOURCE_COMPILES_ADD_INCLUDES}" OUTPUT_VARIABLE OUTPUT) + + FOREACH(_regex ${_FAIL_REGEX}) + IF("${OUTPUT}" MATCHES "${_regex}") + SET(${VAR} 0) + ENDIF() + ENDFOREACH() + IF(${VAR}) SET(${VAR} 1 CACHE INTERNAL "Test ${VAR}") MESSAGE(STATUS "Performing Test ${VAR} - Success") |