class Libgr < Formula desc "GR framework: a graphics library for visualisation applications" homepage "https://gr-framework.org/" url "https://github.com/sciapp/gr/archive/v0.37.0.tar.gz" sha256 "9120c4215cd2c10239f45f4cbf79dcb199a9e7e3bbbf36e5ce8f4e5eb2e70e24" bottle do sha256 "cf43f68b60d8c2084f84e35fc66daa8d88b66b13b2380bee6b7807d622f440ef" => :mojave sha256 "66e7569c1ab5112a958b7d986ce0aae23ca939d40d6967707d0806bd64d479e8" => :high_sierra sha256 "00a6481d88b6c4dc5d1557ae8b249521009234410e2d546d5d39e0013acd4645" => :sierra end depends_on :xcode => :build depends_on "cairo" def install system "make", "self", "GRDIR=#{prefix}" end test do (testpath/"test.c").write <<~EOS #include <stdio.h> #include <gr.h> int main(void) { gr_opengks(); gr_openws(1, "test.png", 140); double x[] = {0, 0.2, 0.4, 0.6, 0.8, 1.0}; double y[] = {0.3, 0.5, 0.4, 0.2, 0.6, 0.7}; gr_polyline(6, x, y); gr_axes(gr_tick(0, 1), gr_tick(0, 1), 0, 0, 1, 1, -0.01); gr_updatews(); gr_emergencyclosegks(); return 0; } EOS system ENV.cc, "test.c", "-o", "test", "-I#{include}", "-L#{lib}", "-lGR" system "./test" assert_predicate testpath/"test.png", :exist? end end