libraw: build packs out of separate folders

Downloading the two paths to the build root works, but clobbers libraw's
own meta files.

Build the packs out of separate folders to keep original meta files.

1 files changed, 4 insertions, 5 deletions

diff --git a/Library/Formula/libraw.rb b/Library/Formula/libraw.rb
index 001eed832..4825dda66 100644
--- a/Library/Formula/libraw.rb
+++ b/Library/Formula/libraw.rb
@@ -26,14 +26,13 @@ class Libraw < Formula
   depends_on 'little-cms2'
 
   def install
-    d = buildpath.dirname
-    LibrawDemosaicGPL2.new.brew { d.install Dir['*'] }
-    LibrawDemosaicGPL3.new.brew { d.install Dir['*'] }
+    LibrawDemosaicGPL2.new.brew { (buildpath/'gpl2').install Dir['*'] }
+    LibrawDemosaicGPL3.new.brew { (buildpath/'gpl3').install Dir['*'] }
 
     system "./configure", "--prefix=#{prefix}",
                           "--disable-dependency-tracking",
-                          "--enable-demosaic-pack-gpl2=#{d}",
-                          "--enable-demosaic-pack-gpl3=#{d}"
+                          "--enable-demosaic-pack-gpl2=#{buildpath}/gpl2",
+                          "--enable-demosaic-pack-gpl3=#{buildpath}/gpl3"
     system "make"
     system "make install"
     doc.install Dir['doc/*']