mirror of
https://gitlab.kitware.com/cmake/cmake.git
synced 2026-10-03 04:03:23 +03:00
Brad King
eb85676928
Utilities/cmcurl/CMake provides macros with the same file names and macro names as others in Modules, but with different interfaces. We rename the curl ones to avoid conflict.
76 lines
3.3 KiB
CMake
76 lines
3.3 KiB
CMake
# - Check if the source code provided in the SOURCE argument compiles.
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# CURL_CHECK_C_SOURCE_COMPILES(SOURCE VAR)
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# - macro which checks if the source code compiles
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# SOURCE - source code to try to compile
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# VAR - variable to store whether the source code compiled
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#
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# The following variables may be set before calling this macro to
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# modify the way the check is run:
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#
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# CMAKE_REQUIRED_FLAGS = string of compile command line flags
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# CMAKE_REQUIRED_DEFINITIONS = list of macros to define (-DFOO=bar)
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# CMAKE_REQUIRED_INCLUDES = list of include directories
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# CMAKE_REQUIRED_LIBRARIES = list of libraries to link
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MACRO(CURL_CHECK_C_SOURCE_COMPILES SOURCE VAR)
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IF("${VAR}" MATCHES "^${VAR}$" OR "${VAR}" MATCHES "UNKNOWN")
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SET(message "${VAR}")
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# If the number of arguments is greater than 2 (SOURCE VAR)
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IF(${ARGC} GREATER 2)
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# then add the third argument as a message
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SET(message "${ARGV2} (${VAR})")
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ENDIF(${ARGC} GREATER 2)
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SET(MACRO_CHECK_FUNCTION_DEFINITIONS
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"-D${VAR} ${CMAKE_REQUIRED_FLAGS}")
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IF(CMAKE_REQUIRED_LIBRARIES)
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SET(CURL_CHECK_C_SOURCE_COMPILES_ADD_LIBRARIES
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"-DLINK_LIBRARIES:STRING=${CMAKE_REQUIRED_LIBRARIES}")
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ELSE(CMAKE_REQUIRED_LIBRARIES)
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SET(CURL_CHECK_C_SOURCE_COMPILES_ADD_LIBRARIES)
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ENDIF(CMAKE_REQUIRED_LIBRARIES)
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IF(CMAKE_REQUIRED_INCLUDES)
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SET(CURL_CHECK_C_SOURCE_COMPILES_ADD_INCLUDES
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"-DINCLUDE_DIRECTORIES:STRING=${CMAKE_REQUIRED_INCLUDES}")
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ELSE(CMAKE_REQUIRED_INCLUDES)
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SET(CURL_CHECK_C_SOURCE_COMPILES_ADD_INCLUDES)
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ENDIF(CMAKE_REQUIRED_INCLUDES)
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SET(src "")
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FOREACH(def ${EXTRA_DEFINES})
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SET(src "${src}#define ${def} 1\n")
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ENDFOREACH(def)
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FOREACH(inc ${HEADER_INCLUDES})
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SET(src "${src}#include <${inc}>\n")
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ENDFOREACH(inc)
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SET(src "${src}\nint main() { ${SOURCE} ; return 0; }")
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SET(CMAKE_CONFIGURABLE_FILE_CONTENT "${src}")
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CONFIGURE_FILE(${CMAKE_CURRENT_SOURCE_DIR}/CMake/CMakeConfigurableFile.in
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"${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/src.c"
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IMMEDIATE)
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MESSAGE(STATUS "Performing Test ${message}")
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TRY_COMPILE(${VAR}
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${CMAKE_BINARY_DIR}
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${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/src.c
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COMPILE_DEFINITIONS ${CMAKE_REQUIRED_DEFINITIONS}
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CMAKE_FLAGS -DCOMPILE_DEFINITIONS:STRING=${MACRO_CHECK_FUNCTION_DEFINITIONS}
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"${CURL_CHECK_C_SOURCE_COMPILES_ADD_LIBRARIES}"
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"${CURL_CHECK_C_SOURCE_COMPILES_ADD_INCLUDES}"
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OUTPUT_VARIABLE OUTPUT)
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IF(${VAR})
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SET(${VAR} 1 CACHE INTERNAL "Test ${message}")
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MESSAGE(STATUS "Performing Test ${message} - Success")
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FILE(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeOutput.log
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"Performing C SOURCE FILE Test ${message} succeded with the following output:\n"
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"${OUTPUT}\n"
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"Source file was:\n${src}\n")
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ELSE(${VAR})
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MESSAGE(STATUS "Performing Test ${message} - Failed")
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SET(${VAR} "" CACHE INTERNAL "Test ${message}")
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FILE(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeError.log
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"Performing C SOURCE FILE Test ${message} failed with the following output:\n"
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"${OUTPUT}\n"
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"Source file was:\n${src}\n")
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ENDIF(${VAR})
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ENDIF("${VAR}" MATCHES "^${VAR}$" OR "${VAR}" MATCHES "UNKNOWN")
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ENDMACRO(CURL_CHECK_C_SOURCE_COMPILES)
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