Merge pull request #198519 from Homebrew/webp-pixbuf-loader-pkgconf

webp-pixbuf-loader: migrate to `pkgconf`

Formula/w/webp-pixbuf-loader.rb

@@ -19,8 +19,9 @@ class WebpPixbufLoader < Formula
 
   depends_on "meson" => :build
   depends_on "ninja" => :build
-  depends_on "pkg-config" => [:build, :test]
+  depends_on "pkgconf" => [:build, :test]
   depends_on "gdk-pixbuf"
+  depends_on "glib"
   depends_on "webp"
 
   # Constants for gdk-pixbuf's multiple version numbers, which are the same as
@@ -39,20 +40,20 @@ def module_subdir
   end
 
   def install
-    system "meson", "setup", "build", *std_meson_args, "-Dgdk_pixbuf_moduledir=#{prefix}/#{module_subdir}"
+    system "meson", "setup", "build", "-Dgdk_pixbuf_moduledir=#{prefix}/#{module_subdir}", *std_meson_args
     system "meson", "compile", "-C", "build", "--verbose"
     system "meson", "install", "-C", "build"
   end
 
   # After the loader is linked in, update the global cache of pixbuf loaders
   def post_install
     ENV["GDK_PIXBUF_MODULEDIR"] = "#{HOMEBREW_PREFIX}/#{module_subdir}"
-    system "#{Formula["gdk-pixbuf"].opt_bin}/gdk-pixbuf-query-loaders", "--update-cache"
+    system Formula["gdk-pixbuf"].opt_bin/"gdk-pixbuf-query-loaders", "--update-cache"
   end
 
   test do
     # Generate a .webp file to test with.
-    system "#{Formula["webp"].opt_bin}/cwebp", test_fixtures("test.png"), "-o", "test.webp"
+    system Formula["webp"].opt_bin/"cwebp", test_fixtures("test.png"), "-o", "test.webp"
 
     # Sample program to load a .webp file via gdk-pixbuf.
     (testpath/"test.c").write <<~C
@@ -73,7 +74,7 @@ def post_install
       }
     C
 
-    flags = shell_output("pkg-config --cflags --libs gdk-pixbuf-#{gdk_so_ver}").chomp.split
+    flags = shell_output("pkgconf --cflags --libs gdk-pixbuf-#{gdk_so_ver}").chomp.split
     system ENV.cc, "test.c", "-o", "test_loader", *flags
     system "./test_loader", "test.webp"
   end