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
28# Try to find HarfBuzz include and library directories.
29#
30# After successful discovery, this will set for inclusion where needed:
31#
32#   HARFBUZZ_INCLUDE_DIRS - containg the HarfBuzz headers
33#   HARFBUZZ_LIBRARIES    - containg the HarfBuzz library
34
35include(FindPkgConfig)
36pkg_check_modules(PC_HARFBUZZ QUIET harfbuzz)
37
38find_path(HARFBUZZ_INCLUDE_DIRS
39  NAMES hb.h
40  HINTS ${PC_HARFBUZZ_INCLUDEDIR}
41        ${PC_HARFBUZZ_INCLUDE_DIRS}
42  PATH_SUFFIXES harfbuzz)
43
44find_library(HARFBUZZ_LIBRARIES
45  NAMES harfbuzz
46  HINTS ${PC_HARFBUZZ_LIBDIR}
47        ${PC_HARFBUZZ_LIBRARY_DIRS})
48
49if (HARFBUZZ_INCLUDE_DIRS)
50  if (EXISTS "${HARFBUZZ_INCLUDE_DIRS}/hb-version.h")
51    file(READ "${HARFBUZZ_INCLUDE_DIRS}/hb-version.h" _harfbuzz_version_content)
52
53    string(REGEX MATCH
54           "#define +HB_VERSION_STRING +\"([0-9]+\\.[0-9]+\\.[0-9]+)\""
55           _dummy "${_harfbuzz_version_content}")
56    set(HARFBUZZ_VERSION "${CMAKE_MATCH_1}")
57  endif ()
58endif ()
59
60if ("${harfbuzz_FIND_VERSION}" VERSION_GREATER "${HARFBUZZ_VERSION}")
61  message(FATAL_ERROR
62    "Required version (" ${harfbuzz_FIND_VERSION} ")"
63    " is higher than found version (" ${HARFBUZZ_VERSION} ")")
64endif ()
65
66include(FindPackageHandleStandardArgs)
67find_package_handle_standard_args(
68  harfbuzz
69  REQUIRED_VARS HARFBUZZ_INCLUDE_DIRS HARFBUZZ_LIBRARIES
70  VERSION_VAR HARFBUZZ_VERSION)
71
72mark_as_advanced(
73  HARFBUZZ_INCLUDE_DIRS
74  HARFBUZZ_LIBRARIES)
75
76# Allow easy linking as in
77#
78#   target_link_libraries(freetype PRIVATE Harfbuzz::Harfbuzz)
79#
80if (NOT CMAKE_VERSION VERSION_LESS 3.1)
81  if (HARFBUZZ_FOUND AND NOT TARGET Harfbuzz::Harfbuzz)
82    add_library(Harfbuzz::Harfbuzz INTERFACE IMPORTED)
83    set_target_properties(
84        Harfbuzz::Harfbuzz PROPERTIES
85          INTERFACE_INCLUDE_DIRECTORIES "${HARFBUZZ_INCLUDE_DIRS}")
86  endif ()
87endif ()
88