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1# Copyright (c) 2012, Intel Corporation
2# Copyright (c) 2019 Sony Interactive Entertainment Inc.
3#
4# Redistribution and use in source and binary forms, with or without
5# modification, are permitted provided that the following conditions are met:
6#
7# * Redistributions of source code must retain the above copyright notice, this
8#   list of conditions and the following disclaimer.
9# * Redistributions in binary form must reproduce the above copyright notice,
10#   this list of conditions and the following disclaimer in the documentation
11#   and/or other materials provided with the distribution.
12# * Neither the name of Intel Corporation nor the names of its contributors may
13#   be used to endorse or promote products derived from this software without
14#   specific prior written permission.
15#
16# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
17# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
20# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26# POSSIBILITY OF SUCH DAMAGE.
27#
28# Try to find Harfbuzz include and library directories.
29#
30# After successful discovery, this will set for inclusion where needed:
31# HarfBuzz_INCLUDE_DIRS - containg the HarfBuzz headers
32# HarfBuzz_LIBRARIES - containg the HarfBuzz library
33
34#[=======================================================================[.rst:
35FindHarfBuzz
36--------------
37
38Find HarfBuzz headers and libraries.
39
40Imported Targets
41^^^^^^^^^^^^^^^^
42
43``HarfBuzz::HarfBuzz``
44  The HarfBuzz library, if found.
45
46``HarfBuzz::ICU``
47  The HarfBuzz ICU library, if found.
48
49Result Variables
50^^^^^^^^^^^^^^^^
51
52This will define the following variables in your project:
53
54``HarfBuzz_FOUND``
55  true if (the requested version of) HarfBuzz is available.
56``HarfBuzz_VERSION``
57  the version of HarfBuzz.
58``HarfBuzz_LIBRARIES``
59  the libraries to link against to use HarfBuzz.
60``HarfBuzz_INCLUDE_DIRS``
61  where to find the HarfBuzz headers.
62``HarfBuzz_COMPILE_OPTIONS``
63  this should be passed to target_compile_options(), if the
64  target is not used for linking
65
66#]=======================================================================]
67
68find_package(PkgConfig QUIET)
69pkg_check_modules(PC_HARFBUZZ QUIET harfbuzz)
70set(HarfBuzz_COMPILE_OPTIONS ${PC_HARFBUZZ_CFLAGS_OTHER})
71set(HarfBuzz_VERSION ${PC_HARFBUZZ_CFLAGS_VERSION})
72
73find_path(HarfBuzz_INCLUDE_DIR
74    NAMES hb.h
75    HINTS ${PC_HARFBUZZ_INCLUDEDIR} ${PC_HARFBUZZ_INCLUDE_DIRS}
76    PATH_SUFFIXES harfbuzz
77)
78
79find_library(HarfBuzz_LIBRARY
80    NAMES ${HarfBuzz_NAMES} harfbuzz
81    HINTS ${PC_HARFBUZZ_LIBDIR} ${PC_HARFBUZZ_LIBRARY_DIRS}
82)
83
84if (HarfBuzz_INCLUDE_DIR AND NOT HarfBuzz_VERSION)
85    if (EXISTS "${HarfBuzz_INCLUDE_DIR}/hb-version.h")
86        file(READ "${HarfBuzz_INCLUDE_DIR}/hb-version.h" _harfbuzz_version_content)
87
88        string(REGEX MATCH "#define +HB_VERSION_STRING +\"([0-9]+\\.[0-9]+\\.[0-9]+)\"" _dummy "${_harfbuzz_version_content}")
89        set(HarfBuzz_VERSION "${CMAKE_MATCH_1}")
90    endif ()
91endif ()
92
93if ("${HarfBuzz_FIND_VERSION}" VERSION_GREATER "${HarfBuzz_VERSION}")
94  if (HarfBuzz_FIND_REQUIRED)
95    message(FATAL_ERROR
96      "Required version (" ${HarfBuzz_FIND_VERSION} ")"
97      " is higher than found version (" ${HarfBuzz_VERSION} ")")
98  else ()
99    message(WARNING
100      "Required version (" ${HarfBuzz_FIND_VERSION} ")"
101      " is higher than found version (" ${HarfBuzz_VERSION} ")")
102    unset(HarfBuzz_VERSION)
103    unset(HarfBuzz_INCLUDE_DIRS)
104    unset(HarfBuzz_LIBRARIES)
105    return ()
106  endif ()
107endif ()
108
109# Find components
110if (HarfBuzz_INCLUDE_DIR AND HarfBuzz_LIBRARY)
111    set(_HarfBuzz_REQUIRED_LIBS_FOUND ON)
112    set(HarfBuzz_LIBS_FOUND "HarfBuzz (required): ${HarfBuzz_LIBRARY}")
113else ()
114    set(_HarfBuzz_REQUIRED_LIBS_FOUND OFF)
115    set(HarfBuzz_LIBS_NOT_FOUND "HarfBuzz (required)")
116endif ()
117
118if (NOT CMAKE_VERSION VERSION_LESS 3.3)
119  if ("ICU" IN_LIST HarfBuzz_FIND_COMPONENTS)
120      pkg_check_modules(PC_HARFBUZZ_ICU QUIET harfbuzz-icu)
121      set(HarfBuzz_ICU_COMPILE_OPTIONS ${PC_HARFBUZZ_ICU_CFLAGS_OTHER})
122
123      find_path(HarfBuzz_ICU_INCLUDE_DIR
124          NAMES hb-icu.h
125          HINTS ${PC_HARFBUZZ_ICU_INCLUDEDIR} ${PC_HARFBUZZ_ICU_INCLUDE_DIRS}
126          PATH_SUFFIXES harfbuzz
127      )
128
129      find_library(HarfBuzz_ICU_LIBRARY
130          NAMES ${HarfBuzz_ICU_NAMES} harfbuzz-icu
131          HINTS ${PC_HARFBUZZ_ICU_LIBDIR} ${PC_HARFBUZZ_ICU_LIBRARY_DIRS}
132      )
133
134      if (HarfBuzz_ICU_LIBRARY)
135          if (HarfBuzz_FIND_REQUIRED_ICU)
136              list(APPEND HarfBuzz_LIBS_FOUND "ICU (required): ${HarfBuzz_ICU_LIBRARY}")
137          else ()
138            list(APPEND HarfBuzz_LIBS_FOUND "ICU (optional): ${HarfBuzz_ICU_LIBRARY}")
139          endif ()
140      else ()
141          if (HarfBuzz_FIND_REQUIRED_ICU)
142            set(_HarfBuzz_REQUIRED_LIBS_FOUND OFF)
143            list(APPEND HarfBuzz_LIBS_NOT_FOUND "ICU (required)")
144          else ()
145            list(APPEND HarfBuzz_LIBS_NOT_FOUND "ICU (optional)")
146          endif ()
147      endif ()
148  endif ()
149endif ()
150
151if (NOT HarfBuzz_FIND_QUIETLY)
152    if (HarfBuzz_LIBS_FOUND)
153        message(STATUS "Found the following HarfBuzz libraries:")
154        foreach (found ${HarfBuzz_LIBS_FOUND})
155            message(STATUS " ${found}")
156        endforeach ()
157    endif ()
158    if (HarfBuzz_LIBS_NOT_FOUND)
159        message(STATUS "The following HarfBuzz libraries were not found:")
160        foreach (found ${HarfBuzz_LIBS_NOT_FOUND})
161            message(STATUS " ${found}")
162        endforeach ()
163    endif ()
164endif ()
165
166include(FindPackageHandleStandardArgs)
167find_package_handle_standard_args(HarfBuzz
168    FOUND_VAR HarfBuzz_FOUND
169    REQUIRED_VARS HarfBuzz_INCLUDE_DIR HarfBuzz_LIBRARY _HarfBuzz_REQUIRED_LIBS_FOUND
170    VERSION_VAR HarfBuzz_VERSION
171)
172
173if (NOT CMAKE_VERSION VERSION_LESS 3.1)
174  if (HarfBuzz_LIBRARY AND NOT TARGET HarfBuzz::HarfBuzz)
175      add_library(HarfBuzz::HarfBuzz UNKNOWN IMPORTED GLOBAL)
176      set_target_properties(HarfBuzz::HarfBuzz PROPERTIES
177          IMPORTED_LOCATION "${HarfBuzz_LIBRARY}"
178          INTERFACE_COMPILE_OPTIONS "${HarfBuzz_COMPILE_OPTIONS}"
179          INTERFACE_INCLUDE_DIRECTORIES "${HarfBuzz_INCLUDE_DIR}"
180      )
181  endif ()
182
183  if (HarfBuzz_ICU_LIBRARY AND NOT TARGET HarfBuzz::ICU)
184      add_library(HarfBuzz::ICU UNKNOWN IMPORTED GLOBAL)
185      set_target_properties(HarfBuzz::ICU PROPERTIES
186          IMPORTED_LOCATION "${HarfBuzz_ICU_LIBRARY}"
187          INTERFACE_COMPILE_OPTIONS "${HarfBuzz_ICU_COMPILE_OPTIONS}"
188          INTERFACE_INCLUDE_DIRECTORIES "${HarfBuzz_ICU_INCLUDE_DIR}"
189      )
190  endif ()
191endif ()
192
193mark_as_advanced(
194    HarfBuzz_INCLUDE_DIR
195    HarfBuzz_ICU_INCLUDE_DIR
196    HarfBuzz_LIBRARY
197    HarfBuzz_ICU_LIBRARY
198)
199
200if (HarfBuzz_FOUND)
201   set(HarfBuzz_LIBRARIES ${HarfBuzz_LIBRARY} ${HarfBuzz_ICU_LIBRARY})
202   set(HarfBuzz_INCLUDE_DIRS ${HarfBuzz_INCLUDE_DIR} ${HarfBuzz_ICU_INCLUDE_DIR})
203endif ()
204