41 lines
1.3 KiB
CMake
41 lines
1.3 KiB
CMake
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# - Try to find jansson
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# Once done this will define
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# JANSSON_FOUND - System has jansson
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# JANSSON_INCLUDE_DIRS - The jansson include directories
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# JANSSON_LIBRARIES - The libraries needed to use jansson
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find_package(PkgConfig QUIET)
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pkg_check_modules(PC_JANSSON QUIET jansson)
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find_path(JANSSON_INCLUDE_DIR
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NAMES jansson.h
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HINTS ${PC_JANSSON_INCLUDE_DIRS}
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)
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find_library(JANSSON_LIBRARY
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NAMES jansson
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HINTS ${PC_JANSSON_LIBRARY_DIRS}
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)
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if(JANSSON_INCLUDE_DIR)
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set(_version_regex "^#define[ \t]+JANSSON_VERSION[ \t]+\"([^\"]+)\".*")
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file(STRINGS "${JANSSON_INCLUDE_DIR}/jansson.h"
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JANSSON_VERSION REGEX "${_version_regex}")
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string(REGEX REPLACE "${_version_regex}" "\\1"
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JANSSON_VERSION "${JANSSON_VERSION}")
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unset(_version_regex)
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endif()
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include(FindPackageHandleStandardArgs)
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# handle the QUIETLY and REQUIRED arguments and set JANSSON_FOUND to TRUE
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# if all listed variables are TRUE and the requested version matches.
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find_package_handle_standard_args(jansson REQUIRED_VARS
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JANSSON_LIBRARY JANSSON_INCLUDE_DIR
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VERSION_VAR JANSSON_VERSION)
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if(JANSSON_FOUND)
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set(JANSSON_LIBRARIES ${JANSSON_LIBRARY})
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set(JANSSON_INCLUDE_DIRS ${JANSSON_INCLUDE_DIR})
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endif()
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mark_as_advanced(JANSSON_INCLUDE_DIR JANSSON_LIBRARY)
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