fix freetype for macOS (#4774)

* added patch to freetype for assigning a value to macros like HAVE_UNISTD_H as using newer macOS Frameworks fail to compile if they have no value

* [freetype] Modernize. Bump control version

ports/freetype/0004-Fix-macOS-defines.patch

@@ -0,0 +1,23 @@
+--- a/CMakeLists.txt	2018-11-16 10:49:22.000000000 +0100
++++ b/CMakeLists.txt	2018-11-16 10:50:26.000000000 +0100
+@@ -200,17 +200,17 @@
+     FTCONFIG_H)
+   if (HAVE_UNISTD_H)
+     string(REGEX REPLACE
+-      "#undef +(HAVE_UNISTD_H)" "#define \\1"
++      "#undef +(HAVE_UNISTD_H)" "#define \\1 1"
+       FTCONFIG_H "${FTCONFIG_H}")
+   endif ()
+   if (HAVE_FCNTL_H)
+     string(REGEX REPLACE
+-      "#undef +(HAVE_FCNTL_H)" "#define \\1"
++      "#undef +(HAVE_FCNTL_H)" "#define \\1 1"
+       FTCONFIG_H "${FTCONFIG_H}")
+   endif ()
+   if (HAVE_STDINT_H)
+     string(REGEX REPLACE
+-      "#undef +(HAVE_STDINT_H)" "#define \\1"
++      "#undef +(HAVE_STDINT_H)" "#define \\1 1"
+       FTCONFIG_H "${FTCONFIG_H}")
+   endif ()
+   string(REPLACE "/undef " "#undef "

ports/freetype/CONTROL

@@ -1,4 +1,4 @@
 Source: freetype
-Version: 2.8.1-3
+Version: 2.8.1-4
 Build-Depends: zlib, bzip2, libpng
 Description: A library to render fonts.

ports/freetype/portfile.cmake

@@ -1,18 +1,20 @@
 include(vcpkg_common_functions)
+
 set(FT_VERSION 2.8.1)
-set(SOURCE_PATH ${CURRENT_BUILDTREES_DIR}/src/freetype-${FT_VERSION})
 vcpkg_download_distfile(ARCHIVE
     URLS "https://download-mirror.savannah.gnu.org/releases/freetype/freetype-${FT_VERSION}.tar.bz2"
     FILENAME "freetype-${FT_VERSION}.tar.bz2"
     SHA512 ca59e47f0fceeeb9b8032be2671072604d0c79094675df24187829c05e99757d0a48a0f8062d4d688e056f783aa8f6090d732ad116562e94784fccf1339eb823
 )
-vcpkg_extract_source_archive(${ARCHIVE})
-
-vcpkg_apply_patches(
-    SOURCE_PATH ${SOURCE_PATH}
-    PATCHES ${CMAKE_CURRENT_LIST_DIR}/0001-Support-Windows-DLLs-via-CMAKE_WINDOWS_EXPORT_ALL_SY.patch
-            ${CMAKE_CURRENT_LIST_DIR}/0002-Add-CONFIG_INSTALL_PATH-option.patch
-            ${CMAKE_CURRENT_LIST_DIR}/0003-Fix-UWP.patch
+vcpkg_extract_source_archive_ex(
+    OUT_SOURCE_PATH SOURCE_PATH
+    ARCHIVE ${ARCHIVE}
+    REF ${FT_VERSION}
+    PATCHES
+        0001-Support-Windows-DLLs-via-CMAKE_WINDOWS_EXPORT_ALL_SY.patch
+        0002-Add-CONFIG_INSTALL_PATH-option.patch
+        0003-Fix-UWP.patch
+        0004-Fix-macOS-defines.patch
 )
 
 vcpkg_configure_cmake(