New formula for Netpbm

Netpbm is a series of command line tools and libraries for image manipulation.

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

Formula/netpbm.rb

@@ -0,0 +1,42 @@
+require 'formula'
+
+class Netpbm <Formula
+  homepage 'http://netpbm.sourceforge.net'
+  url 'http://sourceforge.net/projects/netpbm/files/super_stable/10.35.77/netpbm-10.35.77.tgz'
+  md5 '65d1b81d72341530f65d66dcd95786ad'
+
+  depends_on "libtiff"
+  depends_on "jasper"
+
+  def install
+    ENV.x11 # For PNG
+
+    system "cp", "Makefile.config.in", "Makefile.config"
+
+    inreplace "Makefile.config" do |s|
+      s.remove_make_var! "CC"
+      s.change_make_var! "CFLAGS_SHLIB", "-fno-common"
+      s.change_make_var! "NETPBMLIBTYPE", "dylib"
+      s.change_make_var! "NETPBMLIBSUFFIX", "dylib"
+      s.change_make_var! "LDSHLIB", "--shared -o $(SONAME)"
+      s.change_make_var! "TIFFLIB", "-ltiff"
+      s.change_make_var! "JPEGLIB", "-ljpeg"
+      s.change_make_var! "PNGLIB", "-lpng"
+      s.change_make_var! "ZLIB", "-lz"
+      s.change_make_var! "JASPERLIB", "-ljasper"
+      s.change_make_var! "JASPERHDR_DIR", "#{HOMEBREW_PREFIX}/include/jasper"
+    end
+
+    ENV.deparallelize
+    system "make"
+
+    stage_dir = Pathname(Dir.pwd) + 'stage'
+    system "make", "package", "pkgdir=#{stage_dir}"
+
+    Dir.chdir stage_dir do
+      prefix.install %w{ bin include lib misc }
+      share.install Dir['man']
+      lib.install Dir['link/*.a']
+    end
+  end
+end