cmake/FindBrotli.cmake

   1 # Copyright (c) the JPEG XL Project Authors. All rights reserved.
   2 #
   3 # Use of this source code is governed by a BSD-style
   4 # license that can be found in the LICENSE file.
   5
   6 set(brlibs brotlicommon brotlienc brotlidec)
   7
   8 find_package(PkgConfig QUIET)
   9 if (PkgConfig_FOUND)
  10   foreach(brlib IN ITEMS ${brlibs})
  11     string(TOUPPER "${brlib}" BRPREFIX)
  12     pkg_check_modules("PC_${BRPREFIX}" lib${brlib})
  13   endforeach()
  14 endif()
  15
  16 find_path(BROTLI_INCLUDE_DIR
  17   NAMES brotli/decode.h
  18   HINTS ${PC_BROTLICOMMON_INCLUDEDIR} ${PC_BROTLICOMMON_INCLUDE_DIRS}
  19 )
  20
  21 foreach(brlib IN ITEMS ${brlibs})
  22   string(TOUPPER "${brlib}" BRPREFIX)
  23   find_library(${BRPREFIX}_LIBRARY
  24     NAMES ${${BRPREFIX}_NAMES} ${brlib}
  25     HINTS ${PC_${BRPREFIX}_LIBDIR} ${PC_${BRPREFIX}_LIBRARY_DIRS}
  26   )
  27
  28   if (${BRPREFIX}_LIBRARY AND NOT TARGET ${brlib})
  29     if(CMAKE_VERSION VERSION_LESS "3.13.5")
  30     add_library(${brlib} INTERFACE IMPORTED GLOBAL)
  31       set_property(TARGET ${brlib} PROPERTY INTERFACE_INCLUDE_DIRECTORIES ${BROTLI_INCLUDE_DIR})
  32       target_link_libraries(${brlib} INTERFACE ${${BRPREFIX}_LIBRARY})
  33       set_property(TARGET ${brlib} PROPERTY INTERFACE_COMPILE_OPTIONS ${PC_${BRPREFIX}_CFLAGS_OTHER})
  34     else()
  35     add_library(${brlib} INTERFACE IMPORTED GLOBAL)
  36       target_include_directories(${brlib}
  37         INTERFACE ${BROTLI_INCLUDE_DIR})
  38       target_link_libraries(${brlib}
  39         INTERFACE ${${BRPREFIX}_LIBRARY})
  40       target_link_options(${brlib}
  41         INTERFACE ${PC_${BRPREFIX}_LDFLAGS_OTHER})
  42       target_compile_options(${brlib}
  43         INTERFACE ${PC_${BRPREFIX}_CFLAGS_OTHER})
  44     endif()
  45   endif()
  46 endforeach()
  47
  48 if (BROTLICOMMON_FOUND AND BROTLIENC_FOUND AND BROTLIDEC_FOUND)
  49   set(Brotli_FOUND ON)
  50 else ()
  51   set(Brotli_FOUND OFF)
  52 endif()
  53
  54 include(FindPackageHandleStandardArgs)
  55 find_package_handle_standard_args(Brotli
  56   FOUND_VAR Brotli_FOUND
  57   REQUIRED_VARS
  58     BROTLI_INCLUDE_DIR
  59     BROTLICOMMON_LIBRARY
  60     BROTLIENC_LIBRARY
  61     BROTLIDEC_LIBRARY
  62   VERSION_VAR Brotli_VERSION
  63 )
  64
  65 mark_as_advanced(
  66   BROTLI_INCLUDE_DIR
  67   BROTLICOMMON_LIBRARY
  68   BROTLIENC_LIBRARY
  69   BROTLIDEC_LIBRARY
  70 )
  71
  72 if (Brotli_FOUND)
  73   set(Brotli_LIBRARIES ${BROTLICOMMON_LIBRARY} ${BROTLIENC_LIBRARY} ${BROTLIDEC_LIBRARY})
  74   set(Brotli_INCLUDE_DIRS ${BROTLI_INCLUDE_DIR})
  75 endif()