builds/cmake/FindHarfBuzz.cmake

   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
  33 include(FindPkgConfig)
  34
  35 pkg_check_modules(PC_HARFBUZZ harfbuzz>=0.9.7)
  36
  37 find_path(HARFBUZZ_INCLUDE_DIRS NAMES hb.h
  38     HINTS ${PC_HARFBUZZ_INCLUDE_DIRS} ${PC_HARFBUZZ_INCLUDEDIR}
  39 )
  40
  41 find_library(HARFBUZZ_LIBRARIES NAMES harfbuzz
  42     HINTS ${PC_HARFBUZZ_LIBRARY_DIRS} ${PC_HARFBUZZ_LIBDIR}
  43 )
  44
  45 # HarfBuzz 0.9.18 split ICU support into a separate harfbuzz-icu library.
  46 if ("${PC_HARFBUZZ_VERSION}" VERSION_GREATER "0.9.17")
  47     if (HarfBuzz_FIND_REQUIRED)
  48         set(_HARFBUZZ_REQUIRED REQUIRED)
  49     else ()
  50         set(_HARFBUZZ_REQUIRED "")
  51     endif ()
  52     pkg_check_modules(PC_HARFBUZZ_ICU harfbuzz-icu>=0.9.18 ${_HARFBUZZ_REQUIRED})
  53     find_library(HARFBUZZ_ICU_LIBRARIES NAMES harfbuzz-icu
  54         HINTS ${PC_HARFBUZZ_ICU_LIBRARY_DIRS} ${PC_HARFBUZZ_ICU_LIBDIR}
  55     )
  56     if (HARFBUZZ_ICU_LIBRARIES)
  57         list(APPEND HARFBUZZ_LIBRARIES "${HARFBUZZ_ICU_LIBRARIES}")
  58     endif ()
  59     set(_HARFBUZZ_EXTRA_REQUIRED_VAR "HARFBUZZ_ICU_LIBRARIES")
  60 else ()
  61     set(_HARFBUZZ_EXTRA_REQUIRED_VAR "")
  62 endif ()
  63
  64 include(FindPackageHandleStandardArgs)
  65 FIND_PACKAGE_HANDLE_STANDARD_ARGS(HarfBuzz DEFAULT_MSG HARFBUZZ_INCLUDE_DIRS
  66     HARFBUZZ_LIBRARIES ${_HARFBUZZ_EXTRA_REQUIRED_VAR})
  67
  68 mark_as_advanced(
  69     HARFBUZZ_ICU_LIBRARIES
  70     HARFBUZZ_INCLUDE_DIRS
  71     HARFBUZZ_LIBRARIES
  72 )