mscgen: add option --with-freetype

Closes #23515.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>

1 files changed, 7 insertions, 2 deletions

diff --git a/Library/Formula/mscgen.rb b/Library/Formula/mscgen.rb
index c8274c303..3bc0eacf0 100644
--- a/Library/Formula/mscgen.rb
+++ b/Library/Formula/mscgen.rb
@@ -8,10 +8,15 @@ class Mscgen < Formula
   depends_on :x11
   depends_on 'pkg-config' => :build
   depends_on 'gd' => :recommended
+  depends_on :freetype => :optional
 
   def install
-    system "./configure", "--disable-dependency-tracking",
-                          "--prefix=#{prefix}"
+    args = ["--prefix=#{prefix}",
+            "--disable-dependency-tracking"]
+
+    args << "--with-freetype" if build.with? 'freetype'
+
+    system "./configure", *args
     system "make install"
   end
 end