| # - pkg-config module for CMake |
| # |
| # Defines the following macros: |
| # |
| # PKGCONFIG(package includedir libdir linkflags cflags) |
| # |
| # Calling PKGCONFIG will fill the desired information into the 4 given arguments, |
| # e.g. PKGCONFIG(libart-2.0 LIBART_INCLUDE_DIR LIBART_LINK_DIR LIBART_LINK_FLAGS LIBART_CFLAGS) |
| # if pkg-config was NOT found or the specified software package doesn't exist, the |
| # variable will be empty when the function returns, otherwise they will contain the respective information |
| # |
| |
| |
| |
| FIND_PROGRAM(PKGCONFIG_EXECUTABLE NAMES pkg-config PATHS /usr/local/bin ) |
| |
| MACRO(PKGCONFIG _package _include_DIR _link_DIR _link_FLAGS _cflags) |
| # reset the variables at the beginning |
| SET(${_include_DIR}) |
| SET(${_link_DIR}) |
| SET(${_link_FLAGS}) |
| SET(${_cflags}) |
| |
| # if pkg-config has been found |
| IF(PKGCONFIG_EXECUTABLE) |
| |
| EXEC_PROGRAM(${PKGCONFIG_EXECUTABLE} ARGS ${_package} --exists RETURN_VALUE _return_VALUE OUTPUT_VARIABLE _pkgconfigDevNull ) |
| |
| # and if the package of interest also exists for pkg-config, then get the information |
| IF(NOT _return_VALUE) |
| |
| EXEC_PROGRAM(${PKGCONFIG_EXECUTABLE} ARGS ${_package} --variable=includedir OUTPUT_VARIABLE ${_include_DIR} ) |
| |
| EXEC_PROGRAM(${PKGCONFIG_EXECUTABLE} ARGS ${_package} --variable=libdir OUTPUT_VARIABLE ${_link_DIR} ) |
| |
| EXEC_PROGRAM(${PKGCONFIG_EXECUTABLE} ARGS ${_package} --libs OUTPUT_VARIABLE ${_link_FLAGS} ) |
| |
| EXEC_PROGRAM(${PKGCONFIG_EXECUTABLE} ARGS ${_package} --cflags OUTPUT_VARIABLE ${_cflags} ) |
| |
| ENDIF(NOT _return_VALUE) |
| |
| ENDIF(PKGCONFIG_EXECUTABLE) |
| |
| ENDMACRO(PKGCONFIG _include_DIR _link_DIR _link_FLAGS _cflags) |
| |
| MARK_AS_ADVANCED(PKGCONFIG_EXECUTABLE) |