1 files changed, 25 insertions, 0 deletions
diff --git a/Library/Homebrew/requirements/apr_requirement.rb b/Library/Homebrew/requirements/apr_requirement.rb
new file mode 100644
index 000000000..313407e12
--- /dev/null
+++ b/Library/Homebrew/requirements/apr_requirement.rb
@@ -0,0 +1,25 @@
+require "requirement"
+
+class AprRequirement < Requirement
+  fatal true
+  default_formula "apr-util"
+
+  satisfy { MacOS::CLT.installed? }
+
+  env do
+    unless MacOS::CLT.installed?
+      ENV.prepend_path "PATH", Formula["apr-util"].opt_bin
+      ENV.prepend_path "PATH", Formula["apr"].opt_bin
+      ENV.prepend_path "PKG_CONFIG_PATH", "#{Formula["apr"].opt_libexec}/lib/pkgconfig"
+      ENV.prepend_path "PKG_CONFIG_PATH", "#{Formula["apr-util"].opt_libexec}/lib/pkgconfig"
+    end
+  end
+
+  def to_dependency
+    super.extend Module.new {
+      def tags
+        super - [:build]
+      end
+    }
+  end
+end