diff options
Diffstat (limited to 'Utilities/cmcurl/CMake/CurlCheckCSourceRuns.cmake')
-rw-r--r-- | Utilities/cmcurl/CMake/CurlCheckCSourceRuns.cmake | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/Utilities/cmcurl/CMake/CurlCheckCSourceRuns.cmake b/Utilities/cmcurl/CMake/CurlCheckCSourceRuns.cmake new file mode 100644 index 000000000..19681bd85 --- /dev/null +++ b/Utilities/cmcurl/CMake/CurlCheckCSourceRuns.cmake @@ -0,0 +1,83 @@ +# - Check if the source code provided in the SOURCE argument compiles and runs. +# CURL_CHECK_C_SOURCE_RUNS(SOURCE VAR) +# - macro which checks if the source code runs +# 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(CURL_CHECK_C_SOURCE_RUNS SOURCE VAR) + IF("${VAR}" MATCHES "^${VAR}$" OR "${VAR}" MATCHES "UNKNOWN") + SET(message "${VAR}") + # If the number of arguments is greater than 2 (SOURCE VAR) + IF(${ARGC} GREATER 2) + # then add the third argument as a message + SET(message "${ARGV2} (${VAR})") + ENDIF(${ARGC} GREATER 2) + SET(MACRO_CHECK_FUNCTION_DEFINITIONS + "-D${VAR} ${CMAKE_REQUIRED_FLAGS}") + IF(CMAKE_REQUIRED_LIBRARIES) + SET(CURL_CHECK_C_SOURCE_COMPILES_ADD_LIBRARIES + "-DLINK_LIBRARIES:STRING=${CMAKE_REQUIRED_LIBRARIES}") + ELSE(CMAKE_REQUIRED_LIBRARIES) + SET(CURL_CHECK_C_SOURCE_COMPILES_ADD_LIBRARIES) + ENDIF(CMAKE_REQUIRED_LIBRARIES) + IF(CMAKE_REQUIRED_INCLUDES) + SET(CURL_CHECK_C_SOURCE_COMPILES_ADD_INCLUDES + "-DINCLUDE_DIRECTORIES:STRING=${CMAKE_REQUIRED_INCLUDES}") + ELSE(CMAKE_REQUIRED_INCLUDES) + SET(CURL_CHECK_C_SOURCE_COMPILES_ADD_INCLUDES) + ENDIF(CMAKE_REQUIRED_INCLUDES) + SET(src "") + FOREACH(def ${EXTRA_DEFINES}) + SET(src "${src}#define ${def} 1\n") + ENDFOREACH(def) + FOREACH(inc ${HEADER_INCLUDES}) + SET(src "${src}#include <${inc}>\n") + ENDFOREACH(inc) + + SET(src "${src}\nint main() { ${SOURCE} ; return 0; }") + SET(CMAKE_CONFIGURABLE_FILE_CONTENT "${src}") + CONFIGURE_FILE(${CMAKE_CURRENT_SOURCE_DIR}/CMake/CMakeConfigurableFile.in + "${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/src.c" + IMMEDIATE) + MESSAGE(STATUS "Performing Test ${message}") + TRY_RUN(${VAR} ${VAR}_COMPILED + ${CMAKE_BINARY_DIR} + ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/src.c + COMPILE_DEFINITIONS ${CMAKE_REQUIRED_DEFINITIONS} + CMAKE_FLAGS -DCOMPILE_DEFINITIONS:STRING=${MACRO_CHECK_FUNCTION_DEFINITIONS} + "${CURL_CHECK_C_SOURCE_COMPILES_ADD_LIBRARIES}" + "${CURL_CHECK_C_SOURCE_COMPILES_ADD_INCLUDES}" + OUTPUT_VARIABLE OUTPUT) + # if it did not compile make the return value fail code of 1 + IF(NOT ${VAR}_COMPILED) + SET(${VAR} 1) + ENDIF(NOT ${VAR}_COMPILED) + # if the return value was 0 then it worked + SET(result_var ${${VAR}}) + IF("${result_var}" EQUAL 0) + SET(${VAR} 1 CACHE INTERNAL "Test ${message}") + MESSAGE(STATUS "Performing Test ${message} - Success") + FILE(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeOutput.log + "Performing C SOURCE FILE Test ${message} succeded with the following output:\n" + "${OUTPUT}\n" + "Return value: ${${VAR}}\n" + "Source file was:\n${src}\n") + ELSE("${result_var}" EQUAL 0) + MESSAGE(STATUS "Performing Test ${message} - Failed") + SET(${VAR} "" CACHE INTERNAL "Test ${message}") + FILE(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeError.log + "Performing C SOURCE FILE Test ${message} failed with the following output:\n" + "${OUTPUT}\n" + "Return value: ${result_var}\n" + "Source file was:\n${src}\n") + ENDIF("${result_var}" EQUAL 0) + ENDIF("${VAR}" MATCHES "^${VAR}$" OR "${VAR}" MATCHES "UNKNOWN") +ENDMACRO(CURL_CHECK_C_SOURCE_RUNS) |