summaryrefslogtreecommitdiffstats
path: root/Source/kwsys/CheckCXXSourceRuns.cmake
diff options
context:
space:
mode:
authorAndy Cedilnik <andy.cedilnik@kitware.com>2006-08-22 19:46:22 (GMT)
committerAndy Cedilnik <andy.cedilnik@kitware.com>2006-08-22 19:46:22 (GMT)
commit0ec4b84c91f1f5543fcad367d029e4ff6e569d63 (patch)
tree8f324b2776199100179a157c1221670bf0656d0d /Source/kwsys/CheckCXXSourceRuns.cmake
parentd510ef2557df9da0b8949409e73b526d137bd13d (diff)
downloadCMake-0ec4b84c91f1f5543fcad367d029e4ff6e569d63.zip
CMake-0ec4b84c91f1f5543fcad367d029e4ff6e569d63.tar.gz
CMake-0ec4b84c91f1f5543fcad367d029e4ff6e569d63.tar.bz2
COMP: Add missing cmake file
Diffstat (limited to 'Source/kwsys/CheckCXXSourceRuns.cmake')
-rw-r--r--Source/kwsys/CheckCXXSourceRuns.cmake62
1 files changed, 62 insertions, 0 deletions
diff --git a/Source/kwsys/CheckCXXSourceRuns.cmake b/Source/kwsys/CheckCXXSourceRuns.cmake
new file mode 100644
index 0000000..7a086f3
--- /dev/null
+++ b/Source/kwsys/CheckCXXSourceRuns.cmake
@@ -0,0 +1,62 @@
+# - 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 size if the type exists.
+#
+# 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
+
+MACRO(CHECK_CXX_SOURCE_RUNS SOURCE VAR COMMENT)
+ IF("HAVE_${VAR}" MATCHES "^HAVE_${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}")
+ 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=${CMAKE_REQUIRED_INCLUDES}")
+ ELSE(CMAKE_REQUIRED_INCLUDES)
+ SET(CHECK_CXX_SOURCE_COMPILES_ADD_INCLUDES)
+ ENDIF(CMAKE_REQUIRED_INCLUDES)
+ SET(CMAKE_EMPTY_INPUT_FILE_CONTENT "${SOURCE}")
+ CONFIGURE_FILE("${VTK_SOURCE_DIR}/CMake/CMakeEmptyInputFile.in"
+ "${CMAKE_BINARY_DIR}/CMakeFiles/CMakeTmp/src.cxx")
+
+ MESSAGE(STATUS "Performing Test ${COMMENT}")
+ TRY_RUN(${VAR} HAVE_${VAR}
+ ${CMAKE_BINARY_DIR}
+ ${CMAKE_BINARY_DIR}/CMakeFiles/CMakeTmp/src.cxx
+ COMPILE_DEFINITIONS ${CMAKE_REQUIRED_DEFINITIONS}
+ CMAKE_FLAGS -DCOMPILE_DEFINITIONS:STRING=${MACRO_CHECK_FUNCTION_DEFINITIONS}
+ "${CHECK_CXX_SOURCE_COMPILES_ADD_LIBRARIES}"
+ "${CHECK_CXX_SOURCE_COMPILES_ADD_INCLUDES}"
+ OUTPUT_VARIABLE OUTPUT)
+ IF(HAVE_${VAR})
+ SET(${VAR} 1 CACHE INTERNAL "Test ${COMMENT}")
+ MESSAGE(STATUS "Performing Test ${COMMENT} - Success")
+ FILE(APPEND ${CMAKE_BINARY_DIR}/CMakeFiles/CMakeOutput.log
+ "Performing C++ SOURCE FILE Test ${COMMENT} succeded with the following output:\n"
+ "${OUTPUT}\n"
+ "Source file was:\n${SOURCE}\n")
+ ELSE(HAVE_${VAR})
+ MESSAGE(STATUS "Performing Test ${COMMENT} - Failed")
+ SET(${VAR} "" CACHE INTERNAL "Test ${COMMENT}")
+ FILE(APPEND ${CMAKE_BINARY_DIR}/CMakeFiles/CMakeError.log
+ "Performing C++ SOURCE FILE Test ${COMMENT} failed with the following output:\n"
+ "${OUTPUT}\n"
+ "Source file was:\n${SOURCE}\n")
+ ENDIF(HAVE_${VAR})
+ ENDIF("HAVE_${VAR}" MATCHES "^HAVE_${VAR}$")
+ENDMACRO(CHECK_CXX_SOURCE_RUNS)
+
+