[cairo] Make freetype and fontconfig optional. (#15965)

* [cairo] Make fontconfig optional.

* [cairo] Update port versions

ports/cairo/CMakeLists.txt

@@ -156,10 +156,13 @@ file(GLOB SOURCES
 "cairo-svg-surface.c"
 # script surface
 "cairo-script-surface.c"
-# fontconfig + freetype
-"cairo-ft-font.c"
 )
 
+if(WITH_FREETYPE)
+    file(GLOB _FREETYPE_SOURCES "cairo-ft-font.c")
+    list(APPEND SOURCES ${_FREETYPE_SOURCES})
+endif()
+
 # win32
 file(GLOB PLATFORM_SOURCES_WIN32
 "win32/cairo-win32-debug.c"
@@ -181,17 +184,21 @@ set(CMAKE_DEBUG_POSTFIX "d")
 find_package(Threads REQUIRED)
 find_package(ZLIB REQUIRED)
 find_package(PNG REQUIRED)
-find_package(Freetype REQUIRED)
-find_package(Fontconfig REQUIRED)
+if(WITH_FREETYPE)
+    find_package(Freetype REQUIRED)
+    find_package(Fontconfig REQUIRED)
+endif()
 find_package(unofficial-pixman CONFIG REQUIRED)
 
 # Cairo needs to be told which features of FreeType are availible
-add_definitions(
-    -DHAVE_FT_GLYPHSLOT_EMBOLDEN=1
-    -DHAVE_FT_LIBRARY_SETLCDFILTER=1
-    -DHAVE_FT_GLYPHSLOT_OBLIQUE=1
-    -DHAVE_FT_LOAD_SFNT_TABLE=1
-    -DHAVE_FT_GET_X11_FONT_FORMAT=1)
+if(WITH_FREETYPE)
+    add_definitions(
+        -DHAVE_FT_GLYPHSLOT_EMBOLDEN=1
+        -DHAVE_FT_LIBRARY_SETLCDFILTER=1
+        -DHAVE_FT_GLYPHSLOT_OBLIQUE=1
+        -DHAVE_FT_LOAD_SFNT_TABLE=1
+        -DHAVE_FT_GET_X11_FONT_FORMAT=1)
+endif()
 
 # additional features for macOS
 if(UNIX OR APPLE)
@@ -210,8 +217,11 @@ add_library(cairo ${SOURCES})
 if (WITH_X11)
     target_compile_definitions(cairo PUBLIC -DCAIRO_HAS_XLIB_SURFACE=1)
 endif()
-target_include_directories(cairo PUBLIC ${FREETYPE_INCLUDE_DIRS})
-target_link_libraries(cairo PRIVATE ZLIB::ZLIB PNG::PNG Freetype::Freetype unofficial::pixman::pixman-1 Fontconfig::Fontconfig)
+if(WITH_FREETYPE)
+    target_include_directories(cairo PUBLIC ${FREETYPE_INCLUDE_DIRS})
+    target_link_libraries(cairo PRIVATE Freetype::Freetype Fontconfig::Fontconfig)
+endif()
+target_link_libraries(cairo PRIVATE ZLIB::ZLIB PNG::PNG unofficial::pixman::pixman-1)
 
 if(WIN32)
     target_link_libraries(cairo PRIVATE gdi32 msimg32 user32)
@@ -292,14 +302,16 @@ install(
     DESTINATION share/unofficial-cairo
 )
 
-file(WRITE ${CMAKE_CURRENT_BINARY_DIR}/unofficial-cairo-config.cmake "
-include(CMakeFindDependencyMacro)
+file(WRITE ${CMAKE_CURRENT_BINARY_DIR}/unofficial-cairo-config.cmake
+"include(CMakeFindDependencyMacro)
 find_dependency(ZLIB)
 find_dependency(PNG)
-find_dependency(Freetype)
-find_dependency(Fontconfig)
+if(${WITH_FREETYPE})
+    find_dependency(Freetype)
+    find_dependency(Fontconfig)
+endif()
 find_dependency(unofficial-pixman CONFIG)
-if(WITH_GOBJECT)
+if(${WITH_GOBJECT})
     find_dependency(unofficial-glib CONFIG)
 endif()
 

ports/cairo/CONTROL

@@ -1,13 +0,0 @@
-Source: cairo
-Version: 1.16.0
-Port-Version: 8
-Homepage: https://cairographics.org
-Description: Cairo is a 2D graphics library with support for multiple output devices. Currently supported output targets include the X Window System (via both Xlib and XCB), Quartz, Win32, image buffers, PostScript, PDF, and SVG file output. Experimental backends include OpenGL, BeOS, OS/2, and DirectFB.
-Build-Depends: zlib, libpng, pixman, freetype, fontconfig
-
-Feature: x11
-Description: build with x11 support
-
-Feature: gobject
-Description: build gobject module
-Build-Depends: glib

ports/cairo/cairo-features.h.in

@@ -30,9 +30,9 @@
 #define CAIRO_HAS_GOBJECT_FUNCTIONS 1
 
 /* Require FreeType */
-#define CAIRO_HAS_FT_FONT 1
+#cmakedefine01 CAIRO_HAS_FT_FONT
 
 /* Require FontConfig */
-#define CAIRO_HAS_FC_FONT 1
+#cmakedefine01 CAIRO_HAS_FC_FONT
 
 #endif

ports/cairo/portfile.cmake

@@ -15,7 +15,12 @@ vcpkg_extract_source_archive_ex(
 )
 
 file(COPY ${CMAKE_CURRENT_LIST_DIR}/CMakeLists.txt DESTINATION ${SOURCE_PATH}/src)
-file(COPY ${CURRENT_PORT_DIR}/cairo-features.h DESTINATION ${SOURCE_PATH}/src)
+
+if("freetype" IN_LIST FEATURES)
+    set(CAIRO_HAS_FT_FONT TRUE)
+    set(CAIRO_HAS_FC_FONT TRUE)
+endif()
+configure_file("${CMAKE_CURRENT_LIST_DIR}/cairo-features.h.in" "${SOURCE_PATH}/src/cairo-features.h")
 
 if ("x11" IN_LIST FEATURES)
     if (VCPKG_TARGET_IS_WINDOWS)
@@ -33,6 +38,7 @@ endif()
 vcpkg_check_features(OUT_FEATURE_OPTIONS FEATURE_OPTIONS
     x11 WITH_X11
     gobject WITH_GOBJECT
+    freetype WITH_FREETYPE
 )
 
 vcpkg_configure_cmake(

ports/cairo/vcpkg.json

@@ -0,0 +1,33 @@
+{
+  "name": "cairo",
+  "version-string": "1.16.0",
+  "port-version": 9,
+  "description": "Cairo is a 2D graphics library with support for multiple output devices. Currently supported output targets include the X Window System (via both Xlib and XCB), Quartz, Win32, image buffers, PostScript, PDF, and SVG file output. Experimental backends include OpenGL, BeOS, OS/2, and DirectFB.",
+  "homepage": "https://cairographics.org",
+  "dependencies": [
+    "libpng",
+    "pixman",
+    "zlib"
+  ],
+  "default-features": [
+    "freetype"
+  ],
+  "features": {
+    "freetype": {
+      "description": "use the freetype font backend",
+      "dependencies": [
+        "fontconfig",
+        "freetype"
+      ]
+    },
+    "gobject": {
+      "description": "build gobject module",
+      "dependencies": [
+        "glib"
+      ]
+    },
+    "x11": {
+      "description": "build with x11 support"
+    }
+  }
+}

versions/baseline.json

@@ -1046,7 +1046,7 @@
     },
     "cairo": {
       "baseline": "1.16.0",
-      "port-version": 8
+      "port-version": 9
     },
     "cairomm": {
       "baseline": "1.15.3",

versions/c-/cairo.json

@@ -1,5 +1,10 @@
 {
   "versions": [
+    {
+      "git-tree": "eb09773c303a9608687dca6a0480ff551c0c2bf9",
+      "version-string": "1.16.0",
+      "port-version": 9
+    },
     {
       "git-tree": "b3a1d73d5c8c18a8c6512385b59d40719f963c8c",
       "version-string": "1.16.0",