pla 1.1

Closes Homebrew/legacy-homebrew#40159.

Signed-off-by: Tim D. Smith <git@tim-smith.us>

Formula/pla.rb

@@ -0,0 +1,32 @@
+class Pla < Formula
+  desc "A tool for building gantt charts in format PNG, EPS, PDF or SVG."
+  homepage "http://www.arpalert.org/pla.html"
+  url "http://www.arpalert.org/src/pla-1.1.tar.gz"
+  sha256 "a213c5e1060c97618d0eb0462cfdf738532591b30f18b36a37c1a4398346ac37"
+
+  depends_on "cairo"
+
+  def install
+    ENV.prepend "CFLAGS", "-I#{Formula["cairo"].opt_include}/cairo"
+    system "make", "CC=#{ENV.cc}", "CFLAGS=#{ENV.cflags}"
+    bin.install "pla"
+  end
+
+  test do
+    (testpath/"test.pla").write <<-EOS.undent
+    [4] REF0 Install des serveurs
+      color #8cb6ce
+      child 1
+      child 2
+      child 3
+
+      [1] REF0 Install 1
+        start 2010-04-08 01
+        duration 24
+        color #8cb6ce
+        dep 2
+        dep 6
+        EOS
+    system "#{bin}/pla", "-i", "#{testpath}/test.pla", "-o test"
+  end
+end