mirror of
https://github.com/curl/curl.git
synced 2024-11-27 05:50:21 +08:00
84 lines
3.6 KiB
CMake
84 lines
3.6 KiB
CMake
# - 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)
|