25 lines
809 B
CMake
25 lines
809 B
CMake
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# - pkg-config variable module for CMake
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#
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# Defines the following macros:
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#
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# PKGCONFIG_VAR(package varname outputvar)
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#
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include(UsePkgConfig REQUIRED)
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MACRO(PKGCONFIG_VAR _package _varname _outputvar)
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# reset the variables at the beginning
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SET(${_outputvar})
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# if pkg-config has been found
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IF(PKGCONFIG_EXECUTABLE)
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EXEC_PROGRAM(${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 ${_package} --variable=${_varname} OUTPUT_VARIABLE ${_outputvar} )
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ENDIF(NOT _return_VALUE)
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ENDIF(PKGCONFIG_EXECUTABLE)
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ENDMACRO(PKGCONFIG_VAR _package _varname _outputvar)
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