diff options
Diffstat (limited to 'modules/CheckSymbolExists.cmake')
-rwxr-xr-x | modules/CheckSymbolExists.cmake | 65 |
1 files changed, 0 insertions, 65 deletions
diff --git a/modules/CheckSymbolExists.cmake b/modules/CheckSymbolExists.cmake deleted file mode 100755 index ce3e4afa..00000000 --- a/modules/CheckSymbolExists.cmake +++ /dev/null @@ -1,65 +0,0 @@ -# - Check if the symbol exists in include files -# CHECK_SYMBOL_EXISTS(SYMBOL FILES VARIABLE) -# -# SYMBOL - symbol -# FILES - include files to check -# VARIABLE - variable to return result -# -# If CMAKE_REQUIRED_FLAGS is set then those flags will be passed into the -# compile of the program likewise if CMAKE_REQUIRED_LIBRARIES is set then -# those libraries will be linked against the test program. If CMAKE_REQUIRED_INCLUDES -# is set then these directories will be added to the include search path. - - -MACRO(CHECK_SYMBOL_EXISTS SYMBOL FILES VARIABLE) - IF("${VARIABLE}" MATCHES "^${VARIABLE}$") - SET(CHECK_SYMBOL_EXISTS_CONTENT "/* */\n") - SET(MACRO_CHECK_SYMBOL_EXISTS_FLAGS ${CMAKE_REQUIRED_FLAGS}) - SET(CHECK_SYMBOL_EXISTS_LIBS) - SET(CHECK_SYMBOL_EXISTS_ADD_INCLUDES) - IF(CMAKE_REQUIRED_LIBRARIES) - SET(CHECK_SYMBOL_EXISTS_LIBS - "-DLINK_LIBRARIES:STRING=${CMAKE_REQUIRED_LIBRARIES}") - ENDIF(CMAKE_REQUIRED_LIBRARIES) - IF(CMAKE_REQUIRED_INCLUDES) - SET(CHECK_SYMBOL_EXISTS_ADD_INCLUDES - "-DINCLUDE_DIRECTORIES:STRING=${CMAKE_REQUIRED_INCLUDES}") - ENDIF(CMAKE_REQUIRED_INCLUDES) - FOREACH(FILE ${FILES}) - SET(CHECK_SYMBOL_EXISTS_CONTENT - "${CHECK_SYMBOL_EXISTS_CONTENT}#include <${FILE}>\n") - ENDFOREACH(FILE) - SET(CHECK_SYMBOL_EXISTS_CONTENT - "${CHECK_SYMBOL_EXISTS_CONTENT}\nvoid cmakeRequireSymbol(int dummy,...){(void)dummy;}\nint main()\n{\n#ifndef ${SYMBOL}\n cmakeRequireSymbol(0,&${SYMBOL});\n#endif\n return 0;\n}\n") - - FILE(WRITE ${CMAKE_BINARY_DIR}/CMakeFiles/CMakeTmp/CheckSymbolExists.c - "${CHECK_SYMBOL_EXISTS_CONTENT}") - - MESSAGE(STATUS "Looking for ${SYMBOL}") - TRY_COMPILE(${VARIABLE} - ${CMAKE_BINARY_DIR} - ${CMAKE_BINARY_DIR}/CMakeFiles/CMakeTmp/CheckSymbolExists.c - CMAKE_FLAGS - -DCOMPILE_DEFINITIONS:STRING=${MACRO_CHECK_SYMBOL_EXISTS_FLAGS} - "${CHECK_SYMBOL_EXISTS_ADD_INCLUDES}" - "${CHECK_SYMBOL_EXISTS_LIBS}" - OUTPUT_VARIABLE OUTPUT) - IF(${VARIABLE}) - MESSAGE(STATUS "Looking for ${SYMBOL} - found") - SET(${VARIABLE} 1 CACHE INTERNAL "Have symbol ${SYMBOL}") - FILE(APPEND ${CMAKE_BINARY_DIR}/CMakeFiles/CMakeOutput.log - "Determining if the ${SYMBOL} " - "exist passed with the following output:\n" - "${OUTPUT}\nFile ${CMAKE_BINARY_DIR}/CMakeFiles/CMakeTmp/CheckSymbolExists.c:\n" - "${CHECK_SYMBOL_EXISTS_CONTENT}\n") - ELSE(${VARIABLE}) - MESSAGE(STATUS "Looking for ${SYMBOL} - not found.") - SET(${VARIABLE} "" CACHE INTERNAL "Have symbol ${SYMBOL}") - FILE(APPEND ${CMAKE_BINARY_DIR}/CMakeFiles/CMakeError.log - "Determining if the ${SYMBOL} " - "exist failed with the following output:\n" - "${OUTPUT}\nFile ${CMAKE_BINARY_DIR}/CMakeFiles/CMakeTmp/CheckSymbolExists.c:\n" - "${CHECK_SYMBOL_EXISTS_CONTENT}\n") - ENDIF(${VARIABLE}) - ENDIF("${VARIABLE}" MATCHES "^${VARIABLE}$") -ENDMACRO(CHECK_SYMBOL_EXISTS) |