Fix SDL pc files and sdl-config

So many tools expect all SDL modules to be installed in the same place. So we have to change the prefix path to HOMEBREW_PREFIX. This is probably the correct thing to do in general in fact.

3 files changed, 15 insertions, 1 deletions

diff --git a/Library/Formula/sdl.rb b/Library/Formula/sdl.rb
index ac1ea92f3..275d28dae 100644
--- a/Library/Formula/sdl.rb
+++ b/Library/Formula/sdl.rb
@@ -5,13 +5,22 @@ class Sdl <Formula
   homepage 'http://www.libsdl.org/'
   md5 'e52086d1b508fa0b76c52ee30b55bec4'
 
+  # we have to do this because most build scripts assume that all sdl modules
+  # are installed to the same prefix. Consequently SDL stuff cannot be
+  # keg-only but I doubt that will be needed.
+  def self.use_homebrew_prefix files
+    files.each {|f| inreplace f, '@prefix@', HOMEBREW_PREFIX}
+  end
+
   def install
     ENV.gcc_4_2
+    Sdl.use_homebrew_prefix %w[sdl.pc.in sdl-config.in]
+
     system "./configure", "--prefix=#{prefix}", "--disable-debug",
                           "--disable-dependency-tracking",
                           "--disable-nasm"
     system "make install"
-    
+
     # Copy source files needed for Ojective-C support.
     libexec.install Dir["src/main/macosx/*"]
   end
diff --git a/Library/Formula/sdl_image.rb b/Library/Formula/sdl_image.rb
index 3192b7a2c..88124c870 100644
--- a/Library/Formula/sdl_image.rb
+++ b/Library/Formula/sdl_image.rb
@@ -1,4 +1,5 @@
 require 'formula'
+require Formula.path('sdl')
 
 class SdlImage <Formula
   url 'http://www.libsdl.org/projects/SDL_image/release/SDL_image-1.2.8.tar.gz'
@@ -10,6 +11,7 @@ class SdlImage <Formula
 
   def install
     ENV.x11 # For Freetype
+    Sdl.use_homebrew_prefix 'SDL_image.pc.in'
 
     system "./configure", "--prefix=#{prefix}",
                           "--disable-debug",
diff --git a/Library/Formula/sdl_mixer.rb b/Library/Formula/sdl_mixer.rb
index 231baea63..c77f37b41 100644
--- a/Library/Formula/sdl_mixer.rb
+++ b/Library/Formula/sdl_mixer.rb
@@ -1,4 +1,5 @@
 require 'formula'
+require Formula.path('sdl')
 
 class SdlMixer <Formula
   url 'http://www.libsdl.org/projects/SDL_mixer/release/SDL_mixer-1.2.9.tar.gz'
@@ -11,6 +12,8 @@ class SdlMixer <Formula
   #depends_on 'smpeg' => :optional  # http://icculus.org/smpeg/
   
   def install
+    Sdl.use_homebrew_prefix 'SDL_mixer.pc.in'
+
     system "./configure", "--prefix=#{prefix}",
                           "--disable-debug",
                           "--disable-dependency-tracking"