class Readline < Formula desc "Library for command-line editing" homepage "https://tiswww.case.edu/php/chet/readline/rltop.html" url "http://ftpmirror.gnu.org/readline/readline-6.3.tar.gz" mirror "https://ftp.gnu.org/gnu/readline/readline-6.3.tar.gz" version "6.3.8" sha256 "56ba6071b9462f980c5a72ab0023893b65ba6debb4eeb475d7a563dc65cafd43" bottle do cellar :any sha256 "9d38481c935cef21ead25c294285b78a9e8fa556fd15ede9126926c055c40d37" => :el_capitan sha256 "d0cdb3e162c05e21c7184e86629f04685d4be98e38cbf024373142bf8764500e" => :yosemite sha256 "adcc6352d3fb271a1e9ce034d80996405a5c46afbd1bab1507d3ff5e89e02bc1" => :mavericks sha256 "6b1d7e806e169e2b778371d74e7cc62106c348ea9f5c80fd658b763b94dc748e" => :mountain_lion sha256 "c129333634dd00ab2267ae9c531fca1f5cc50dd519ed3399918289fdfdf2663b" => :lion end keg_only :shadowed_by_osx, <<-EOS.undent OS X provides the BSD libedit library, which shadows libreadline. In order to prevent conflicts when programs look for libreadline we are defaulting this GNU Readline installation to keg-only. EOS # Vendor the patches. # The mirrors are unreliable for getting the patches, and the more patches # there are, the more unreliable they get. Pulling this patch inline to # reduce bug reports. # Upstream patches can be found in: # http://git.savannah.gnu.org/cgit/readline.git patch do url "https://gist.githubusercontent.com/jacknagel/d886531fb6623b60b2af/raw/746fc543e56bc37a26ccf05d2946a45176b0894e/readline-6.3.8.diff" sha256 "ef4fd6f24103b8f1d1199a6254d81a0cd63329bd2449ea9b93e66caf76d7ab89" end def install ENV.universal_binary system "./configure", "--prefix=#{prefix}", "--enable-multibyte" system "make", "install" # The 6.3 release notes say: # When creating shared libraries on Mac OS X, the pathname written into the # library (install_name) no longer includes the minor version number. # Software will link against libreadline.6.dylib instead of libreadline.6.3.dylib. # Therefore we create symlinks to avoid bumping the revisions on dependents. # This should be removed at 6.4. lib.install_symlink "libhistory.6.3.dylib" => "libhistory.6.2.dylib", "libreadline.6.3.dylib" => "libreadline.6.2.dylib" end test do (testpath/"test.c").write <<-EOS.undent #include #include #include int main() { printf("%s\\n", readline("test> ")); return 0; } EOS system ENV.cc, "-L", lib, "test.c", "-lreadline", "-o", "test" assert_equal "test> Hello, World!\nHello, World!", pipe_output("./test", "Hello, World!\n").strip end end