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| author | Andy Cedilnik <andy.cedilnik@kitware.com> | 2005-07-31 23:05:05 -0400 |
|---|---|---|
| committer | Andy Cedilnik <andy.cedilnik@kitware.com> | 2005-07-31 23:05:05 -0400 |
| commit | 10b6e2a621872dbaa79247550eec8fef681c69ca (patch) | |
| tree | f84aabe9b91e0c652fe957f59b51a5fbf2db7dc2 /Modules/CheckCXXSourceCompiles.cmake | |
| parent | e898324778c5f46d264a1351992be5d0c0d11eae (diff) | |
| download | cmake-10b6e2a621872dbaa79247550eec8fef681c69ca.tar.gz | |
ENH: Add C++ test too
Diffstat (limited to 'Modules/CheckCXXSourceCompiles.cmake')
| -rw-r--r-- | Modules/CheckCXXSourceCompiles.cmake | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/Modules/CheckCXXSourceCompiles.cmake b/Modules/CheckCXXSourceCompiles.cmake new file mode 100644 index 0000000000..72fe1a94cf --- /dev/null +++ b/Modules/CheckCXXSourceCompiles.cmake @@ -0,0 +1,53 @@ +# +# Check if the source code provided in the SOURCE argument compiles. +# +# CHECK_CXX_SOURCE_COMPILES - macro which checks if the source code compiles\ +# SOURCE - source code to try to compile +# VARIABLE - variable to store size if the type exists. +# +# Checks the following optional VARIABLES (not arguments) +# CMAKE_REQUIRED_LIBRARIES - Link to extra libraries +# CMAKE_REQUIRED_FLAGS - Extra flags to C compiler +# + +MACRO(CHECK_CXX_SOURCE_COMPILES SOURCE VAR) + IF("${VAR}" MATCHES "^${VAR}$") + SET(MACRO_CHECK_FUNCTION_DEFINITIONS + "-D${VAR} ${CMAKE_REQUIRED_FLAGS}") + IF(CMAKE_REQUIRED_LIBRARIES) + SET(CHECK_CXX_SOURCE_COMPILES_ADD_LIBRARIES + "-DLINK_LIBRARIES:STRING=${CMAKE_REQUIRED_LIBRARIES}") + ENDIF(CMAKE_REQUIRED_LIBRARIES) + IF(CMAKE_REQUIRED_INCLUDES) + SET(CHECK_CXX_SOURCE_COMPILES_ADD_INCLUDES + "-DINCLUDE_DIRECTORIES:STRING=${CMAKE_REQUIRED_INCLUDES}") + ENDIF(CMAKE_REQUIRED_INCLUDES) + FILE(WRITE "${CMAKE_BINARY_DIR}/CMakeTmp/src.c" + "${SOURCE}") + + MESSAGE(STATUS "Performing Test ${VAR}") + TRY_COMPILE(${VAR} + ${CMAKE_BINARY_DIR} + ${CMAKE_BINARY_DIR}/CMakeTmp/src.cxx + CMAKE_FLAGS + "${CHECK_CXX_SOURCE_COMPILES_ADD_LIBRARIES}" + "${CHECK_CXX_SOURCE_COMPILES_ADD_INCLUDES}" + OUTPUT_VARIABLE OUTPUT) + IF(${VAR}) + SET(${VAR} 1 CACHE INTERNAL "Test ${FUNCTION}") + MESSAGE(STATUS "Performing Test ${VAR} - Success") + WRITE_FILE(${CMAKE_BINARY_DIR}/CMakeOutput.log + "Performing C++ SOURCE FILE Test ${VAR} succeded with the following output:\n" + "${OUTPUT}\n" + "Source file was:\n${SOURCE}\n" APPEND) + ELSE(${VAR}) + MESSAGE(STATUS "Performing Test ${VAR} - Failed") + SET(${VAR} "" CACHE INTERNAL "Test ${FUNCTION}") + WRITE_FILE(${CMAKE_BINARY_DIR}/CMakeError.log + "Performing C++ SOURCE FILE Test ${VAR} failed with the following output:\n" + "${OUTPUT}\n" + "Source file was:\n${SOURCE}\n" APPEND) + ENDIF(${VAR}) + ENDIF("${VAR}" MATCHES "^${VAR}$") +ENDMACRO(CHECK_CXX_SOURCE_COMPILES) + |