require 'formula' class Plotutils < Formula url 'ftp://mirrors.kernel.org/gnu/plotutils/plotutils-2.6.tar.gz' homepage 'http://www.gnu.org/software/plotutils/' md5 'c08a424bd2438c80a786a7f4b5bb6a40' def install ENV.x11 # enable libpng support # Fix usage of libpng to be 1.5 compatible inreplace 'libplot/z_write.c', 'png_ptr->jmpbuf', 'png_jmpbuf (png_ptr)' system "./configure", "--disable-debug", "--disable-dependency-tracking", "--prefix=#{prefix}", "--enable-libplotter" system "make" system "make install" end end