mirror of
https://github.com/moparisthebest/curl
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5709a0dca2
Make sure <sys/socket.h> is included if around when testing/using socklen_t. Also, disable LDAP if LDAP_H is not found on the system.
58 lines
2.6 KiB
CMake
58 lines
2.6 KiB
CMake
# - Check sizeof a type
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# CHECK_TYPE_SIZE(TYPE VARIABLE)
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# Check if the type exists and determine size of type. if the type
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# exists, the size will be stored to the variable.
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#
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# VARIABLE - variable to store size if the type exists.
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# HAVE_${VARIABLE} - does the variable exists or not
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macro(CHECK_TYPE_SIZE TYPE VARIABLE)
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set(CMAKE_ALLOW_UNKNOWN_VARIABLE_READ_ACCESS 1)
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if(NOT DEFINED ${VARIABLE})
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if("HAVE_${VARIABLE}" MATCHES "^HAVE_${VARIABLE}$")
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set(CHECK_TYPE_SIZE_TYPE "${TYPE}")
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set(MACRO_CHECK_TYPE_SIZE_FLAGS
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"${CMAKE_REQUIRED_FLAGS}")
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foreach(def HAVE_SYS_TYPES_H
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HAVE_STDINT_H HAVE_STDDEF_H HAVE_SYS_SOCKET_H)
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if("${def}")
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set(MACRO_CHECK_TYPE_SIZE_FLAGS
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"${MACRO_CHECK_TYPE_SIZE_FLAGS} -D${def}")
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endif("${def}")
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endforeach(def)
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set(CHECK_TYPE_SIZE_PREMAIN)
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foreach(def ${CMAKE_EXTRA_INCLUDE_FILES})
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set(CHECK_TYPE_SIZE_PREMAIN "${CHECK_TYPE_SIZE_PREMAIN}#include \"${def}\"\n")
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endforeach(def)
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configure_file(
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"${CMAKE_CURRENT_SOURCE_DIR}/CMake/CheckTypeSize.c.in"
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"${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/CheckTypeSize.c"
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IMMEDIATE @ONLY)
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file(READ
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"${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/CheckTypeSize.c"
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CHECK_TYPE_SIZE_FILE_CONTENT)
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message(STATUS "Check size of ${TYPE}")
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if(CMAKE_REQUIRED_LIBRARIES)
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set(CHECK_TYPE_SIZE_ADD_LIBRARIES
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"-DLINK_LIBRARIES:STRING=${CMAKE_REQUIRED_LIBRARIES}")
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endif(CMAKE_REQUIRED_LIBRARIES)
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try_run(${VARIABLE} HAVE_${VARIABLE}
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${CMAKE_BINARY_DIR}
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"${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/CheckTypeSize.c"
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CMAKE_FLAGS -DCOMPILE_DEFINITIONS:STRING=${MACRO_CHECK_TYPE_SIZE_FLAGS}
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"${CHECK_TYPE_SIZE_ADD_LIBRARIES}"
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OUTPUT_VARIABLE OUTPUT)
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if(HAVE_${VARIABLE})
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message(STATUS "Check size of ${TYPE} - done")
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file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeOutput.log
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"Determining size of ${TYPE} passed with the following output:\n${OUTPUT}\n\n")
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else(HAVE_${VARIABLE})
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message(STATUS "Check size of ${TYPE} - failed")
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file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeError.log
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"Determining size of ${TYPE} failed with the following output:\n${OUTPUT}\nCheckTypeSize.c:\n${CHECK_TYPE_SIZE_FILE_CONTENT}\n\n")
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endif(HAVE_${VARIABLE})
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endif("HAVE_${VARIABLE}" MATCHES "^HAVE_${VARIABLE}$")
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endif(NOT DEFINED ${VARIABLE})
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set(CMAKE_ALLOW_UNKNOWN_VARIABLE_READ_ACCESS )
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endmacro(CHECK_TYPE_SIZE)
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