Imported Upstream version 2.13.2
[platform/upstream/freetype2.git] / builds / cmake / FindHarfBuzz.cmake
index f394b82..b481fa4 100644 (file)
@@ -1,4 +1,5 @@
 # Copyright (c) 2012, Intel Corporation
+# Copyright (c) 2019 Sony Interactive Entertainment Inc.
 #
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions are met:
 # Try to find Harfbuzz include and library directories.
 #
 # After successful discovery, this will set for inclusion where needed:
-# HARFBUZZ_INCLUDE_DIRS - containg the HarfBuzz headers
-# HARFBUZZ_LIBRARIES - containg the HarfBuzz library
+# HarfBuzz_INCLUDE_DIRS - containg the HarfBuzz headers
+# HarfBuzz_LIBRARIES - containg the HarfBuzz library
 
-include(FindPkgConfig)
+#[=======================================================================[.rst:
+FindHarfBuzz
+--------------
 
-pkg_check_modules(PC_HARFBUZZ harfbuzz>=0.9.7)
+Find HarfBuzz headers and libraries.
 
-find_path(HARFBUZZ_INCLUDE_DIRS NAMES hb.h
-    HINTS ${PC_HARFBUZZ_INCLUDE_DIRS} ${PC_HARFBUZZ_INCLUDEDIR}
+Imported Targets
+^^^^^^^^^^^^^^^^
+
+``HarfBuzz::HarfBuzz``
+  The HarfBuzz library, if found.
+
+``HarfBuzz::ICU``
+  The HarfBuzz ICU library, if found.
+
+Result Variables
+^^^^^^^^^^^^^^^^
+
+This will define the following variables in your project:
+
+``HarfBuzz_FOUND``
+  true if (the requested version of) HarfBuzz is available.
+``HarfBuzz_VERSION``
+  the version of HarfBuzz.
+``HarfBuzz_LIBRARIES``
+  the libraries to link against to use HarfBuzz.
+``HarfBuzz_INCLUDE_DIRS``
+  where to find the HarfBuzz headers.
+``HarfBuzz_COMPILE_OPTIONS``
+  this should be passed to target_compile_options(), if the
+  target is not used for linking
+
+#]=======================================================================]
+
+find_package(PkgConfig QUIET)
+pkg_check_modules(PC_HARFBUZZ QUIET harfbuzz)
+set(HarfBuzz_COMPILE_OPTIONS ${PC_HARFBUZZ_CFLAGS_OTHER})
+set(HarfBuzz_VERSION ${PC_HARFBUZZ_CFLAGS_VERSION})
+
+find_path(HarfBuzz_INCLUDE_DIR
+    NAMES hb.h
+    HINTS ${PC_HARFBUZZ_INCLUDEDIR} ${PC_HARFBUZZ_INCLUDE_DIRS}
+    PATH_SUFFIXES harfbuzz
 )
 
-find_library(HARFBUZZ_LIBRARIES NAMES harfbuzz
-    HINTS ${PC_HARFBUZZ_LIBRARY_DIRS} ${PC_HARFBUZZ_LIBDIR}
+find_library(HarfBuzz_LIBRARY
+    NAMES ${HarfBuzz_NAMES} harfbuzz
+    HINTS ${PC_HARFBUZZ_LIBDIR} ${PC_HARFBUZZ_LIBRARY_DIRS}
 )
 
-# HarfBuzz 0.9.18 split ICU support into a separate harfbuzz-icu library.
-if ("${PC_HARFBUZZ_VERSION}" VERSION_GREATER "0.9.17")
-    if (HarfBuzz_FIND_REQUIRED)
-        set(_HARFBUZZ_REQUIRED REQUIRED)
-    else ()
-        set(_HARFBUZZ_REQUIRED "")
-    endif ()
-    pkg_check_modules(PC_HARFBUZZ_ICU harfbuzz-icu>=0.9.18 ${_HARFBUZZ_REQUIRED})
-    find_library(HARFBUZZ_ICU_LIBRARIES NAMES harfbuzz-icu
-        HINTS ${PC_HARFBUZZ_ICU_LIBRARY_DIRS} ${PC_HARFBUZZ_ICU_LIBDIR}
-    )
-    if (HARFBUZZ_ICU_LIBRARIES)
-        list(APPEND HARFBUZZ_LIBRARIES "${HARFBUZZ_ICU_LIBRARIES}")
+if (HarfBuzz_INCLUDE_DIR AND NOT HarfBuzz_VERSION)
+    if (EXISTS "${HarfBuzz_INCLUDE_DIR}/hb-version.h")
+        file(READ "${HarfBuzz_INCLUDE_DIR}/hb-version.h" _harfbuzz_version_content)
+
+        string(REGEX MATCH "#define +HB_VERSION_STRING +\"([0-9]+\\.[0-9]+\\.[0-9]+)\"" _dummy "${_harfbuzz_version_content}")
+        set(HarfBuzz_VERSION "${CMAKE_MATCH_1}")
     endif ()
-    set(_HARFBUZZ_EXTRA_REQUIRED_VAR "HARFBUZZ_ICU_LIBRARIES")
+endif ()
+
+if ("${HarfBuzz_FIND_VERSION}" VERSION_GREATER "${HarfBuzz_VERSION}")
+  if (HarfBuzz_FIND_REQUIRED)
+    message(FATAL_ERROR
+      "Required version (" ${HarfBuzz_FIND_VERSION} ")"
+      " is higher than found version (" ${HarfBuzz_VERSION} ")")
+  else ()
+    message(WARNING
+      "Required version (" ${HarfBuzz_FIND_VERSION} ")"
+      " is higher than found version (" ${HarfBuzz_VERSION} ")")
+    unset(HarfBuzz_VERSION)
+    unset(HarfBuzz_INCLUDE_DIRS)
+    unset(HarfBuzz_LIBRARIES)
+    return ()
+  endif ()
+endif ()
+
+# Find components
+if (HarfBuzz_INCLUDE_DIR AND HarfBuzz_LIBRARY)
+    set(_HarfBuzz_REQUIRED_LIBS_FOUND ON)
+    set(HarfBuzz_LIBS_FOUND "HarfBuzz (required): ${HarfBuzz_LIBRARY}")
 else ()
-    set(_HARFBUZZ_EXTRA_REQUIRED_VAR "")
+    set(_HarfBuzz_REQUIRED_LIBS_FOUND OFF)
+    set(HarfBuzz_LIBS_NOT_FOUND "HarfBuzz (required)")
+endif ()
+
+if (NOT CMAKE_VERSION VERSION_LESS 3.3)
+  if ("ICU" IN_LIST HarfBuzz_FIND_COMPONENTS)
+      pkg_check_modules(PC_HARFBUZZ_ICU QUIET harfbuzz-icu)
+      set(HarfBuzz_ICU_COMPILE_OPTIONS ${PC_HARFBUZZ_ICU_CFLAGS_OTHER})
+
+      find_path(HarfBuzz_ICU_INCLUDE_DIR
+          NAMES hb-icu.h
+          HINTS ${PC_HARFBUZZ_ICU_INCLUDEDIR} ${PC_HARFBUZZ_ICU_INCLUDE_DIRS}
+          PATH_SUFFIXES harfbuzz
+      )
+
+      find_library(HarfBuzz_ICU_LIBRARY
+          NAMES ${HarfBuzz_ICU_NAMES} harfbuzz-icu
+          HINTS ${PC_HARFBUZZ_ICU_LIBDIR} ${PC_HARFBUZZ_ICU_LIBRARY_DIRS}
+      )
+
+      if (HarfBuzz_ICU_LIBRARY)
+          if (HarfBuzz_FIND_REQUIRED_ICU)
+              list(APPEND HarfBuzz_LIBS_FOUND "ICU (required): ${HarfBuzz_ICU_LIBRARY}")
+          else ()
+            list(APPEND HarfBuzz_LIBS_FOUND "ICU (optional): ${HarfBuzz_ICU_LIBRARY}")
+          endif ()
+      else ()
+          if (HarfBuzz_FIND_REQUIRED_ICU)
+            set(_HarfBuzz_REQUIRED_LIBS_FOUND OFF)
+            list(APPEND HarfBuzz_LIBS_NOT_FOUND "ICU (required)")
+          else ()
+            list(APPEND HarfBuzz_LIBS_NOT_FOUND "ICU (optional)")
+          endif ()
+      endif ()
+  endif ()
+endif ()
+
+if (NOT HarfBuzz_FIND_QUIETLY)
+    if (HarfBuzz_LIBS_FOUND)
+        message(STATUS "Found the following HarfBuzz libraries:")
+        foreach (found ${HarfBuzz_LIBS_FOUND})
+            message(STATUS " ${found}")
+        endforeach ()
+    endif ()
+    if (HarfBuzz_LIBS_NOT_FOUND)
+        message(STATUS "The following HarfBuzz libraries were not found:")
+        foreach (found ${HarfBuzz_LIBS_NOT_FOUND})
+            message(STATUS " ${found}")
+        endforeach ()
+    endif ()
 endif ()
 
 include(FindPackageHandleStandardArgs)
-FIND_PACKAGE_HANDLE_STANDARD_ARGS(HarfBuzz DEFAULT_MSG HARFBUZZ_INCLUDE_DIRS
-    HARFBUZZ_LIBRARIES ${_HARFBUZZ_EXTRA_REQUIRED_VAR})
+find_package_handle_standard_args(HarfBuzz
+    FOUND_VAR HarfBuzz_FOUND
+    REQUIRED_VARS HarfBuzz_INCLUDE_DIR HarfBuzz_LIBRARY _HarfBuzz_REQUIRED_LIBS_FOUND
+    VERSION_VAR HarfBuzz_VERSION
+)
+
+if (NOT CMAKE_VERSION VERSION_LESS 3.1)
+  if (HarfBuzz_LIBRARY AND NOT TARGET HarfBuzz::HarfBuzz)
+      add_library(HarfBuzz::HarfBuzz UNKNOWN IMPORTED GLOBAL)
+      set_target_properties(HarfBuzz::HarfBuzz PROPERTIES
+          IMPORTED_LOCATION "${HarfBuzz_LIBRARY}"
+          INTERFACE_COMPILE_OPTIONS "${HarfBuzz_COMPILE_OPTIONS}"
+          INTERFACE_INCLUDE_DIRECTORIES "${HarfBuzz_INCLUDE_DIR}"
+      )
+  endif ()
+
+  if (HarfBuzz_ICU_LIBRARY AND NOT TARGET HarfBuzz::ICU)
+      add_library(HarfBuzz::ICU UNKNOWN IMPORTED GLOBAL)
+      set_target_properties(HarfBuzz::ICU PROPERTIES
+          IMPORTED_LOCATION "${HarfBuzz_ICU_LIBRARY}"
+          INTERFACE_COMPILE_OPTIONS "${HarfBuzz_ICU_COMPILE_OPTIONS}"
+          INTERFACE_INCLUDE_DIRECTORIES "${HarfBuzz_ICU_INCLUDE_DIR}"
+      )
+  endif ()
+endif ()
 
 mark_as_advanced(
-    HARFBUZZ_ICU_LIBRARIES
-    HARFBUZZ_INCLUDE_DIRS
-    HARFBUZZ_LIBRARIES
+    HarfBuzz_INCLUDE_DIR
+    HarfBuzz_ICU_INCLUDE_DIR
+    HarfBuzz_LIBRARY
+    HarfBuzz_ICU_LIBRARY
 )
+
+if (HarfBuzz_FOUND)
+   set(HarfBuzz_LIBRARIES ${HarfBuzz_LIBRARY} ${HarfBuzz_ICU_LIBRARY})
+   set(HarfBuzz_INCLUDE_DIRS ${HarfBuzz_INCLUDE_DIR} ${HarfBuzz_ICU_INCLUDE_DIR})
+endif ()