1# Copyright (c) 2012, Intel Corporation
2#
3# Redistribution and use in source and binary forms, with or without
4# modification, are permitted provided that the following conditions are met:
5#
6# * Redistributions of source code must retain the above copyright notice, this
7#   list of conditions and the following disclaimer.
8# * Redistributions in binary form must reproduce the above copyright notice,
9#   this list of conditions and the following disclaimer in the documentation
10#   and/or other materials provided with the distribution.
11# * Neither the name of Intel Corporation nor the names of its contributors may
12#   be used to endorse or promote products derived from this software without
13#   specific prior written permission.
14#
15# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
16# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
19# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
20# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
21# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
22# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
23# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
24# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
25# POSSIBILITY OF SUCH DAMAGE.
26#
27# Try to find Harfbuzz include and library directories.
28#
29# After successful discovery, this will set for inclusion where needed:
30# HARFBUZZ_INCLUDE_DIRS - containg the HarfBuzz headers
31# HARFBUZZ_LIBRARIES - containg the HarfBuzz library
32
33include(FindPkgConfig)
34pkg_check_modules(PC_HARFBUZZ QUIET harfbuzz)
35
36find_path(HARFBUZZ_INCLUDE_DIRS
37    NAMES hb.h
38    HINTS ${PC_HARFBUZZ_INCLUDEDIR}
39          ${PC_HARFBUZZ_INCLUDE_DIRS}
40    PATH_SUFFIXES harfbuzz
41)
42
43find_library(HARFBUZZ_LIBRARIES NAMES harfbuzz
44    HINTS ${PC_HARFBUZZ_LIBDIR}
45          ${PC_HARFBUZZ_LIBRARY_DIRS}
46)
47
48if (HARFBUZZ_INCLUDE_DIRS)
49    if (EXISTS "${HARFBUZZ_INCLUDE_DIRS}/hb-version.h")
50        file(READ "${HARFBUZZ_INCLUDE_DIRS}/hb-version.h" _harfbuzz_version_content)
51
52        string(REGEX MATCH "#define +HB_VERSION_STRING +\"([0-9]+\\.[0-9]+\\.[0-9]+)\"" _dummy "${_harfbuzz_version_content}")
53        set(HARFBUZZ_VERSION "${CMAKE_MATCH_1}")
54    endif ()
55endif ()
56
57if ("${harfbuzz_FIND_VERSION}" VERSION_GREATER "${HARFBUZZ_VERSION}")
58    message(FATAL_ERROR "Required version (" ${harfbuzz_FIND_VERSION} ") is higher than found version (" ${HARFBUZZ_VERSION} ")")
59endif ()
60
61include(FindPackageHandleStandardArgs)
62FIND_PACKAGE_HANDLE_STANDARD_ARGS(
63    harfbuzz
64        REQUIRED_VARS HARFBUZZ_INCLUDE_DIRS HARFBUZZ_LIBRARIES
65        VERSION_VAR HARFBUZZ_VERSION)
66
67mark_as_advanced(
68    HARFBUZZ_INCLUDE_DIRS
69    HARFBUZZ_LIBRARIES
70)
71
72# Allows easy linking as in
73#   target_link_libraries(freetype PRIVATE Harfbuzz::Harfbuzz)
74if (NOT CMAKE_VERSION VERSION_LESS 3.1)
75    if (HARFBUZZ_FOUND AND NOT TARGET Harfbuzz::Harfbuzz)
76        add_library(Harfbuzz::Harfbuzz INTERFACE IMPORTED)
77        set_target_properties(
78            Harfbuzz::Harfbuzz PROPERTIES
79                INTERFACE_INCLUDE_DIRECTORIES "${HARFBUZZ_INCLUDE_DIRS}")
80    endif ()
81endif ()
82