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# - Try to locate Harfbuzz
# This module defines:
#
# HARFBUZZ_INCLUDE_DIRS
# HARFBUZZ_LIBRARIES
# HARFBUZZ_FOUND
# HARFBUZZ_VERSION_STRING, human-readable string containing the version of Harfbuzz
#
find_package(PkgConfig)
# If PkgConfig is available, attempt to find Harfbuzz paths using PkgConfig
if(PkgConfig_FOUND)
if(Harfbuzz_FIND_VERSION)
if(Harfbuzz_FIND_VERSION_EXACT)
set(_pkgConfig_version_match "==${Harfbuzz_FIND_VERSION}")
else()
set(_pkgConfig_version_match ">=${Harfbuzz_FIND_VERSION}")
endif()
endif()
pkg_search_module(PCFG_HARFBUZZ QUIET harfbuzz${_pkgConfig_version_match})
if(PCFG_HARFBUZZ_FOUND)
# Found Harfbuzz with PkgConfig
message(STATUS "Detected Harfbuzz with PkgConfig: HARFBUZZ_INCLUDE_DIRS (${PCFG_HARFBUZZ_INCLUDE_DIRS}); HARFBUZZ_LIBRARY_DIRS (${PCFG_HARFBUZZ_LIBRARY_DIRS})")
endif()
endif()
# Attempt to find Harfbuzz
FIND_PATH(
HARFBUZZ_INCLUDE_DIRS hb.h
PATH_SUFFIXES harfbuzz
HINTS ${PCFG_HARFBUZZ_INCLUDE_DIRS} ${PCFG_HARFBUZZ_INCLUDEDIR}
)
FIND_LIBRARY(
HARFBUZZ_LIBRARIES NAMES harfbuzz
HINTS ${PCFG_HARFBUZZ_LIBRARY_DIRS} ${PCFG_HARFBUZZ_LIBDIR}
)
if(HARFBUZZ_INCLUDE_DIRS AND EXISTS "${HARFBUZZ_INCLUDE_DIRS}/hb-version.h")
file(STRINGS "${HARFBUZZ_INCLUDE_DIRS}/hb-version.h" HARFBUZZ_VERSION_STRING_LINE REGEX "^#define[ \t]+HB_VERSION_STRING[ \t]+\"[.0-9]+\"$")
string(REGEX REPLACE "^#define[ \t]+HB_VERSION_STRING[ \t]+\"([.0-9]+)\"$" "\\1" HARFBUZZ_VERSION_STRING "${HARFBUZZ_VERSION_STRING_LINE}")
unset(HARFBUZZ_VERSION_STRING_LINE)
else()
if (HARFBUZZ_INCLUDE_DIRS)
message ( WARNING "Can't find ${HARFBUZZ_INCLUDE_DIRS}/hb-version.h" )
endif()
set(HARFBUZZ_VERSION_STRING "")
endif()
INCLUDE(FindPackageHandleStandardArgs)
FIND_PACKAGE_HANDLE_STANDARD_ARGS(Harfbuzz REQUIRED_VARS HARFBUZZ_INCLUDE_DIRS HARFBUZZ_LIBRARIES VERSION_VAR HARFBUZZ_VERSION_STRING)
MARK_AS_ADVANCED(HARFBUZZ_INCLUDE_DIRS HARFBUZZ_LIBRARIES)
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