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# .rst
# FindJansson
# -----------
#
# Find Jansson library and headers
#
# The module defines the following variables:
#
# ::
#
# Jansson_FOUND - true if Jansson was found
# Jansson_INCLUDE_DIR - include search path
# Jansson_LIBRARIES - libraries to link
# Jansson_VERSION - libmagic 3-component version number
if(Jansson_INCLUDE_DIRS AND Jansson_LIBRARIES)
set(Jansson_FOUND TRUE)
else()
find_package(PkgConfig QUIET)
pkg_check_modules(PC_JANSSON QUIET jansson)
find_path(Jansson_INCLUDE_DIR
NAMES
jansson.h
HINTS
${PC_JANSSON_INCLUDEDIR}
${PC_JANSSON_INCLUDE_DIRS}
${CMAKE_INSTALL_FULL_INCLUDEDIR})
find_library(Jansson_LIBRARIES
NAMES
jansson
libjansson
HINTS
${PC_JANSSON_LIBDIR}
${PC_JANSSON_LIBRARY_DIRS}
${CMAKE_INSTALL_FULL_LIBDIR})
if(Jansson_INCLUDE_DIR AND EXISTS "${Jansson_INCLUDE_DIR}/jansson.h")
file(STRINGS "${Jansson_INCLUDE_DIR}/jansson.h"
REGEX "^#[ ]*define[ ]+JANSSON_VERSION[ ]+\".*\""
jansson_version_str)
string(REGEX
REPLACE "^[ ]*define[ ]+JANSSON_VERSION[ ]+\"([^\"]*)\".*" "\\1"
Jansson_VERSION_STRING "${jansson_version_str}")
unset(jansson_version_str)
endif()
include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(Jansson
REQUIRED_VARS
Jansson_INCLUDE_DIRS
Jansson_LIBRARIES
VERSION_VAR
Jansson_VERSION_STRING)
mark_as_advanced(Jansson_INCLUDE_DIR Jansson_LIBRARIES)
endif()
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