Meta: Fix building skia on FreeBSD

Author: https://github.com/cqundefine
Commit: f0cdf0e9b5
Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/5244
Reviewed-by: https://github.com/ADKaster ✅
Reviewed-by: https://github.com/clausecker
Reviewed-by: https://github.com/trflynn89

Meta/CMake/vcpkg/overlay-ports/skia/fix-freebsd.patch

@@ -0,0 +1,28 @@
+diff --git a/BUILD.gn b/BUILD.gn
+index 72d9a23..9c0532e 100644
+--- a/BUILD.gn
++++ b/BUILD.gn
+@@ -26,7 +26,8 @@ import("gn/ios.gni")
+ 
+ # Skia public API, generally provided by :skia.
+ config("skia_public") {
+-  include_dirs = [ "." ]
++  include_dirs = [ ".", "/usr/local/include" ]
++  lib_dirs = [ "/usr/local/lib" ]
+ 
+   defines = [
+     "SK_CODEC_DECODES_BMP",
+diff --git a/gn/toolchain/BUILD.gn b/gn/toolchain/BUILD.gn
+index 85858b5..8d6a0ae 100644
+--- a/gn/toolchain/BUILD.gn
++++ b/gn/toolchain/BUILD.gn
+@@ -315,7 +315,7 @@ template("gcc_like_toolchain") {
+         rspfile = "{{output}}.rsp"
+         rspfile_content = "{{inputs}}"
+         rm_py = rebase_path("../rm.py")
+-        command = "$shell python3 \"$rm_py\" \"{{output}}\" && $ar rcs {{output}} @$rspfile"
++        command = "$shell python3 \"$rm_py\" \"{{output}}\" && $ar rcs {{output}} `cat $rspfile`"
+       }
+ 
+       outputs =
+

Meta/CMake/vcpkg/overlay-ports/skia/portfile.cmake

@@ -14,6 +14,7 @@ vcpkg_from_github(
         vulkan-headers.patch
         pdfsubsetfont-uwp.diff
         skparagraph-gni.diff
+	    fix-freebsd.patch
 )
 
 # De-vendor
@@ -123,6 +124,8 @@ elseif(VCPKG_TARGET_IS_WINDOWS)
         string(APPEND OPTIONS " skia_enable_skparagraph=false")
         string(APPEND OPTIONS " skia_enable_bentleyottmann=false")
     endif()
+elseif(VCPKG_TARGET_IS_FREEBSD)
+    string(APPEND OPTIONS " target_os=\"linux\"")
 endif()
 
 if(VCPKG_LIBRARY_LINKAGE STREQUAL "dynamic")
@@ -131,6 +134,10 @@ else()
     string(APPEND OPTIONS " is_component_build=false")
 endif()
 
+if(VCPKG_TARGET_IS_FREEBSD)
+    string(APPEND OPTIONS " skia_use_dng_sdk=false")
+endif()
+
 set(required_externals
     dng_sdk
     expat