76 lines
2.7 KiB
CMake
76 lines
2.7 KiB
CMake
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# Distributed under the OSI-approved BSD 3-Clause License. See accompanying
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# file Copyright.txt or https://cmake.org/licensing for details.
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#[=======================================================================[.rst:
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UsePkgConfig
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------------
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Obsolete pkg-config module for CMake, use FindPkgConfig instead.
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This module defines the following macro:
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PKGCONFIG(package includedir libdir linkflags cflags)
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Calling PKGCONFIG will fill the desired information into the 4 given
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arguments, e.g. PKGCONFIG(libart-2.0 LIBART_INCLUDE_DIR
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LIBART_LINK_DIR LIBART_LINK_FLAGS LIBART_CFLAGS) if pkg-config was NOT
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found or the specified software package doesn't exist, the variable
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will be empty when the function returns, otherwise they will contain
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the respective information
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#]=======================================================================]
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find_program(PKGCONFIG_EXECUTABLE NAMES pkg-config )
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macro(PKGCONFIG _package _include_DIR _link_DIR _link_FLAGS _cflags)
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message(STATUS
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"WARNING: you are using the obsolete 'PKGCONFIG' macro, use FindPkgConfig")
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# reset the variables at the beginning
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set(${_include_DIR})
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set(${_link_DIR})
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set(${_link_FLAGS})
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set(${_cflags})
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# if pkg-config has been found
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if(PKGCONFIG_EXECUTABLE)
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exec_program(${PKGCONFIG_EXECUTABLE} ARGS ${_package} --exists RETURN_VALUE _return_VALUE OUTPUT_VARIABLE _pkgconfigDevNull )
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# and if the package of interest also exists for pkg-config, then get the information
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if(NOT _return_VALUE)
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exec_program(${PKGCONFIG_EXECUTABLE} ARGS ${_package} --variable=includedir
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OUTPUT_VARIABLE ${_include_DIR} )
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string(REGEX REPLACE "[\r\n]" " " ${_include_DIR} "${${_include_DIR}}")
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exec_program(${PKGCONFIG_EXECUTABLE} ARGS ${_package} --variable=libdir
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OUTPUT_VARIABLE ${_link_DIR} )
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string(REGEX REPLACE "[\r\n]" " " ${_link_DIR} "${${_link_DIR}}")
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exec_program(${PKGCONFIG_EXECUTABLE} ARGS ${_package} --libs
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OUTPUT_VARIABLE ${_link_FLAGS} )
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string(REGEX REPLACE "[\r\n]" " " ${_link_FLAGS} "${${_link_FLAGS}}")
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exec_program(${PKGCONFIG_EXECUTABLE} ARGS ${_package} --cflags
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OUTPUT_VARIABLE ${_cflags} )
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string(REGEX REPLACE "[\r\n]" " " ${_cflags} "${${_cflags}}")
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else()
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message(STATUS "PKGCONFIG() indicates that ${_package} is not installed (install the package which contains ${_package}.pc if you want to support this feature)")
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endif()
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# if pkg-config has NOT been found, INFORM the user
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else()
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message(STATUS "WARNING: PKGCONFIG() indicates that the tool pkg-config has not been found on your system. You should install it.")
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endif()
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endmacro()
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mark_as_advanced(PKGCONFIG_EXECUTABLE)
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