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| author | Andy Cedilnik <andy.cedilnik@kitware.com> | 2005-08-01 03:02:22 (GMT) |
|---|---|---|
| committer | Andy Cedilnik <andy.cedilnik@kitware.com> | 2005-08-01 03:02:22 (GMT) |
| commit | e898324778c5f46d264a1351992be5d0c0d11eae (patch) | |
| tree | abdcec4b00849077861950b881f9ffe67b4ad31f /Modules/CheckCSourceCompiles.cmake | |
| parent | efc41c634cecd30de5396d00f18d5f9f780f41c6 (diff) | |
| download | CMake-e898324778c5f46d264a1351992be5d0c0d11eae.zip CMake-e898324778c5f46d264a1351992be5d0c0d11eae.tar.gz CMake-e898324778c5f46d264a1351992be5d0c0d11eae.tar.bz2 | |
ENH: Add a test for C source file like AC_TRY_COMPILE
Diffstat (limited to 'Modules/CheckCSourceCompiles.cmake')
| -rw-r--r-- | Modules/CheckCSourceCompiles.cmake | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/Modules/CheckCSourceCompiles.cmake b/Modules/CheckCSourceCompiles.cmake new file mode 100644 index 0000000..f43ebf3 --- /dev/null +++ b/Modules/CheckCSourceCompiles.cmake @@ -0,0 +1,53 @@ +# +# Check if the source code provided in the SOURCE argument compiles. +# +# CHECK_C_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_C_SOURCE_COMPILES SOURCE VAR) + IF("${VAR}" MATCHES "^${VAR}$") + SET(MACRO_CHECK_FUNCTION_DEFINITIONS + "-D${VAR} ${CMAKE_REQUIRED_FLAGS}") + IF(CMAKE_REQUIRED_LIBRARIES) + SET(CHECK_C_SOURCE_COMPILES_ADD_LIBRARIES + "-DLINK_LIBRARIES:STRING=${CMAKE_REQUIRED_LIBRARIES}") + ENDIF(CMAKE_REQUIRED_LIBRARIES) + IF(CMAKE_REQUIRED_INCLUDES) + SET(CHECK_C_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} + ${CMAKE_BINARY_DIR}/CMakeTmp/src.c + CMAKE_FLAGS + "${CHECK_C_SOURCE_COMPILES_ADD_LIBRARIES}" + "${CHECK_C_SOURCE_COMPILES_ADD_INCLUDES}" + OUTPUT_VARIABLE OUTPUT) + IF(${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_C_SOURCE_COMPILES) + |