sway/CMake/FindJsonC.cmake

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CMake
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# - Find json-c
# Find the json-c libraries
#
# This module defines the following variables:
# JSONC_FOUND - True if JSONC is found
# JSONC_LIBRARIES - JSONC libraries
# JSONC_INCLUDE_DIRS - JSONC include directories
#
find_package(PkgConfig)
if (JsonC_FIND_REQUIRED)
set(_pkgconfig_REQUIRED "REQUIRED")
else()
set(_pkgconfig_REQUIRED "")
endif()
if(JsonC_FIND_VERSION)
pkg_check_modules(PC_JSONC ${_pkgconfig_REQUIRED} json-c=${JsonC_FIND_VERSION})
else()
pkg_check_modules(PC_JSONC ${_pkgconfig_REQUIRED} json-c)
endif()
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find_path(JSONC_INCLUDE_DIRS NAMES json-c/json.h HINTS ${PC_JSONC_INCLUDE_DIRS})
find_library(JSONC_LIBRARIES NAMES json-c HINTS ${PC_JSONC_LIBRARY_DIRS})
include(FindPackageHandleStandardArgs)
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find_package_handle_standard_args(JSONC DEFAULT_MSG JSONC_LIBRARIES JSONC_INCLUDE_DIRS)
mark_as_advanced(JSONC_LIBRARIES JSONC_INCLUDE_DIRS)