wip: update to latest mini_portile and drop the pkgconf hacks

See flavorjones/mini_portile#131

Author: flavorjones

.github/workflows/sqlite3-ruby.yml

@@ -86,7 +86,7 @@ jobs:
     steps:
       - run: |
           dnf group install -y "C Development Tools and Libraries"
-          dnf install -y ruby ruby-devel libyaml-devel
+          dnf install -y ruby ruby-devel libyaml-devel git-all
       - uses: actions/checkout@v4
       - run: bundle install
       - run: bundle exec rake compile -- --disable-system-libraries

Gemfile

@@ -9,3 +9,5 @@ gem("rdoc", "6.5.0")
 gem("psych", "5.1.0")
 
 gem("ruby_memcheck", "2.1.2") if Gem::Platform.local.os == "linux"
+
+gem "mini_portile2", git: "https://github.com/flavorjones/mini_portile", ref: "9ea08f7b"

ext/sqlite3/extconf.rb

@@ -48,47 +48,29 @@ def configure_system_libraries
       end
 
       def configure_packaged_libraries
-        minimal_recipe.tap do |recipe|
-          recipe.configure_options += ["--enable-shared=no", "--enable-static=yes"]
-          ENV.to_h.tap do |env|
-            user_cflags = with_config("sqlite-cflags")
-            more_cflags = [
-              "-fPIC", # needed for linking the static library into a shared library
-              "-O2", # see https://github.com/sparklemotion/sqlite3-ruby/issues/335 for some benchmarks
-              "-fvisibility=hidden", # see https://github.com/rake-compiler/rake-compiler-dock/issues/87
-            ]
-            env["CFLAGS"] = [user_cflags, env["CFLAGS"], more_cflags].flatten.join(" ")
-            recipe.configure_options += env.select { |k,v| ENV_ALLOWLIST.include?(k) }
-                                           .map { |key, value| "#{key}=#{value.strip}" }
-          end
-
-          unless File.exist?(File.join(recipe.target, recipe.host, recipe.name, recipe.version))
-            recipe.cook
-          end
-          recipe.activate
-
-          # on macos, pkg-config will not return --cflags without this
-          ENV["PKG_CONFIG_ALLOW_SYSTEM_CFLAGS"] = "t"
-
-          # only needed for Ruby 3.1.3, see https://bugs.ruby-lang.org/issues/19233
-          RbConfig::CONFIG["PKG_CONFIG"] = config_string("PKG_CONFIG") || "pkg-config"
+        recipe = minimal_recipe
+
+        recipe.configure_options += ["--enable-shared=no", "--enable-static=yes"]
+        ENV.to_h.tap do |env|
+          user_cflags = with_config("sqlite-cflags")
+          more_cflags = [
+            "-fPIC", # needed for linking the static library into a shared library
+            "-O2", # see https://github.com/sparklemotion/sqlite3-ruby/issues/335 for some benchmarks
+            "-fvisibility=hidden", # see https://github.com/rake-compiler/rake-compiler-dock/issues/87
+          ]
+          env["CFLAGS"] = [user_cflags, env["CFLAGS"], more_cflags].flatten.join(" ")
+          recipe.configure_options += env.select { |k,v| ENV_ALLOWLIST.include?(k) }
+                                        .map { |key, value| "#{key}=#{value.strip}" }
+        end
 
-          lib_path = File.join(recipe.path, "lib")
-          pcfile = File.join(lib_path, "pkgconfig", "sqlite3.pc")
-          abort_pkg_config("pkg_config") unless pkg_config(pcfile)
+        unless File.exist?(File.join(recipe.target, recipe.host, recipe.name, recipe.version))
+          recipe.cook
+        end
 
-          # see https://bugs.ruby-lang.org/issues/18490
-          ldflags = xpopen(["pkg-config", "--libs", "--static", pcfile], err: [:child, :out], &:read)
-          abort_pkg_config("xpopen") unless $?.success?
-          ldflags = ldflags.split
+        lib_path = File.join(recipe.path, "lib")
+        pcfile = File.join(lib_path, "pkgconfig", "sqlite3.pc")
 
-          # see https://github.com/flavorjones/mini_portile/issues/118
-          "-L#{lib_path}".tap do |lib_path_flag|
-            ldflags.prepend(lib_path_flag) unless ldflags.include?(lib_path_flag)
-          end
-
-          ldflags.each { |ldflag| append_ldflags(ldflag) }
-        end
+        MiniPortile.activate_mkmf(pkgconf: pcfile)
       end
 
       def configure_extension