diff options
Diffstat (limited to 'Library/Formula')
| -rw-r--r-- | Library/Formula/mlton.rb | 22 |
1 files changed, 15 insertions, 7 deletions
diff --git a/Library/Formula/mlton.rb b/Library/Formula/mlton.rb index a478920c3..3d4e070fa 100644 --- a/Library/Formula/mlton.rb +++ b/Library/Formula/mlton.rb @@ -4,6 +4,20 @@ require 'formula' # Since MLton is written in ML, building from source # would require an existing ML compiler/interpreter for bootstrapping. +class StandardHomebrewLocation < Requirement + def message; <<-EOS.undent + mlton won't work outside of /usr/local + + Because this uses pre-compiled binaries, it will not work if + Homebrew is installed somewhere other than /usr/local; mlton + will be unable to find GMP. + EOS + end + def satisfied? + HOMEBREW_PREFIX.to_s == "/usr/local" + end +end + class Mlton < Formula homepage 'http://mlton.org' url 'http://mlton.org/pages/Download/attachments/mlton-20100608-1.amd64-darwin.gmp-static.tgz' @@ -11,18 +25,12 @@ class Mlton < Formula # We download and install the version of MLton which is statically linked to libgmp, but all # generated executables will require gmp anyway, hence the dependency + depends_on StandardHomebrewLocation.new depends_on 'gmp' skip_clean :all def install - unless HOMEBREW_PREFIX.to_s == "/usr/local" - opoo "mlton won't work outside of /usr/local." - puts "Because this uses pre-compiled binaries, it will not work if" - puts "Homebrew is installed somewhere other than /usr/local; mlton" - puts "will be unable to find GMP." - end - cd "local" do # Remove OS X droppings rm Dir["man/man1/._*"] |