Unrar formula

Very optimised, inspired by KDE's --enable-final

Formula/unrar.rb

@@ -0,0 +1,64 @@
+require 'brewkit'
+
+ALL_CPP=<<-EOS
+#include "errhnd.cpp"
+ErrorHandler ErrHandler;
+#include "rar.cpp"
+#include "strlist.cpp"
+#include "strfn.cpp"
+#include "pathfn.cpp"
+#include "savepos.cpp"
+#include "smallfn.cpp"
+#include "global.cpp"
+#include "file.cpp"
+#include "filefn.cpp"
+#include "filcreat.cpp"
+#include "archive.cpp"
+#include "arcread.cpp"
+#include "unicode.cpp"
+#include "system.cpp"
+#include "isnt.cpp"
+#include "crypt.cpp"
+#include "crc.cpp"
+#include "rawread.cpp"
+#include "encname.cpp"
+#include "resource.cpp"
+#include "match.cpp"
+#include "timefn.cpp"
+#include "rdwrfn.cpp"
+#include "consio.cpp"
+#include "options.cpp"
+#include "ulinks.cpp"
+#include "rarvm.cpp"
+#include "rijndael.cpp"
+#include "getbits.cpp"
+#undef rol
+#include "sha1.cpp"
+#include "extinfo.cpp"
+#include "extract.cpp"
+#include "volume.cpp"
+#include "list.cpp"
+#include "find.cpp"
+#include "unpack.cpp"
+#include "cmddata.cpp"
+#include "filestr.cpp"
+#include "recvol.cpp"
+#include "rs.cpp"
+#include "scantree.cpp"
+EOS
+
+class Unrar <Formula
+  @url='http://www.rarlab.com/rar/unrarsrc-3.9.4.tar.gz'
+  @md5='1800a2242911fc118f6a2b084d0c22c1'
+  @homepage='http://www.rarlab.com'
+
+  def install
+    # by compiling all in one unit, g++ optimises slightly better
+    File.open('all.cpp', 'w') {|f| f.write ALL_CPP}
+    system "g++ #{ENV['CXXFLAGS']} -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE all.cpp -o unrar"
+    bin.install 'unrar'
+    
+    FileUtils.mv 'license.txt', 'COPYING'
+    FileUtils.mv 'readme.txt', 'README'
+  end
+end