New formula: gnu units.

gunits is a unit conversion program which offers more features than the mac osx installed units.

Closes #3829.

Signed-off-by: Mike McQuaid <mike@mikemcquaid.com>

1 files changed, 19 insertions, 0 deletions

diff --git a/Library/Formula/gnu-units.rb b/Library/Formula/gnu-units.rb
new file mode 100644
index 000000000..7a032c9cc
--- /dev/null
+++ b/Library/Formula/gnu-units.rb
@@ -0,0 +1,19 @@
+require 'formula'
+
+class GnuUnits <Formula
+  url 'http://ftp.gnu.org/gnu/units/units-1.88.tar.gz'
+  homepage 'http://www.gnu.org/software/units/'
+  md5 '9b2ee6e7e0e9c62741944cf33fc8a656'
+
+  def options
+    [['--default-names', "Do NOT prepend 'g' to the binary; will override system utils."]]
+  end
+
+  def install
+    args = ["--prefix=#{prefix}"]
+    args << "--program-prefix=g" unless ARGV.include? '--default-names'
+
+    system "./configure", *args
+    system "make install"
+  end
+end