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cmake/FindJansson.cmake
40 строк
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Peter Wu
cmake: fix version checks for external packages
13 мар 2016, 17:06
13 мар 2016, 17:06
2b3bc71
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# - Try to find jansson # Once done this will define # JANSSON_FOUND - System has jansson # JANSSON_INCLUDE_DIRS - The jansson include directories # JANSSON_LIBRARIES - The libraries needed to use jansson find_package(PkgConfig QUIET) pkg_check_modules(PC_JANSSON QUIET jansson) find_path(JANSSON_INCLUDE_DIR NAMES jansson.h HINTS ${PC_JANSSON_INCLUDE_DIRS} ) find_library(JANSSON_LIBRARY NAMES jansson HINTS ${PC_JANSSON_LIBRARY_DIRS} ) if(JANSSON_INCLUDE_DIR) set(_version_regex "^#define[ \t]+JANSSON_VERSION[ \t]+\"([^\"]+)\".*") file(STRINGS "${JANSSON_INCLUDE_DIR}/jansson.h" JANSSON_VERSION REGEX "${_version_regex}") string(REGEX REPLACE "${_version_regex}" "\\1" JANSSON_VERSION "${JANSSON_VERSION}") unset(_version_regex) endif() include(FindPackageHandleStandardArgs) # handle the QUIETLY and REQUIRED arguments and set JANSSON_FOUND to TRUE # if all listed variables are TRUE and the requested version matches. find_package_handle_standard_args(Jansson REQUIRED_VARS JANSSON_LIBRARY JANSSON_INCLUDE_DIR VERSION_VAR JANSSON_VERSION) if(JANSSON_FOUND) set(JANSSON_LIBRARIES ${JANSSON_LIBRARY}) set(JANSSON_INCLUDE_DIRS ${JANSSON_INCLUDE_DIR}) endif() mark_as_advanced(JANSSON_INCLUDE_DIR JANSSON_LIBRARY)