sdl_image formula

We depend on newer libpng than OS X provides because the libpng version has
bugs that exhibit themselves for some uses of the SDL.

See issue #89 for more information.

1 files changed, 27 insertions, 0 deletions

diff --git a/Library/Formula/sdl_image.rb b/Library/Formula/sdl_image.rb
new file mode 100644
index 000000000..147f94936
--- /dev/null
+++ b/Library/Formula/sdl_image.rb
@@ -0,0 +1,27 @@
+require 'brewkit'
+
+class SdlImage <Formula
+  url 'http://www.libsdl.org/projects/SDL_image/release/SDL_image-1.2.7.tar.gz'
+  homepage 'http://www.libsdl.org/projects/SDL_image'
+  md5 'a729ff61f74f0a45ec7fe36354cf938e'
+
+  depends_on 'libpng'
+  depends_on 'sdl'
+
+  def install
+    ENV.x11 # For Freetype
+
+    system "./configure", "--prefix=#{prefix}",
+                          "--includedir=#{prefix}/priv_include",
+                          "--disable-debug",
+                          "--disable-dependency-tracking",
+                          "--disable-sdltest",
+                          "--with-freetype-exec-prefix=/usr/X11"
+    system "make install"
+
+    # Hack alert:
+    # Since SDL is installed as a dependency, we know it exists, so we
+    # symlink our new header file into its brewed location.
+    FileUtils.ln_s "#{prefix}/priv_include/SDL/SDL_image.h", "#{HOMEBREW_PREFIX}/include/SDL"
+  end
+end