class Gflags < Formula desc "Library for processing command-line flags" homepage "https://gflags.github.io/gflags/" url "https://github.com/gflags/gflags/archive/v2.2.1.tar.gz" sha256 "ae27cdbcd6a2f935baa78e4f21f675649271634c092b1be01469440495609d0e" bottle do cellar :any sha256 "a00d8dd8f4674384e722f0f07b0eaeaac201c0fcea789e6fe3232686993dc747" => :mojave sha256 "db36aa60a2c383dddad4774a0e0129c5cf2183f6ae813afffa9b0311ed81d8a3" => :high_sierra sha256 "519562ecebe66cf89803786d0b0ba9ac02cfa2376c822c8726fa274c1e380d0a" => :sierra sha256 "9e9c1a067b324ccd372ac00cd0ac00545415cb4407ea90b15c181cbfb67a4260" => :el_capitan sha256 "5e6fcff184b2d6caf333a74cb24222da11bc1721eb6ab12a31bda7802cf8dfd9" => :yosemite end option "with-static", "Build gflags as a static (instead of shared) library." depends_on "cmake" => :build def install args = std_cmake_args if build.with? "static" args << "-DBUILD_SHARED_LIBS=OFF" else args << "-DBUILD_SHARED_LIBS=ON" end mkdir "buildroot" do system "cmake", "..", *args system "make", "install" end end test do (testpath/"test.cpp").write <<~EOS #include #include "gflags/gflags.h" DEFINE_bool(verbose, false, "Display program name before message"); DEFINE_string(message, "Hello world!", "Message to print"); static bool IsNonEmptyMessage(const char *flagname, const std::string &value) { return value[0] != '\0'; } DEFINE_validator(message, &IsNonEmptyMessage); int main(int argc, char *argv[]) { gflags::SetUsageMessage("some usage message"); gflags::SetVersionString("1.0.0"); gflags::ParseCommandLineFlags(&argc, &argv, true); if (FLAGS_verbose) std::cout << gflags::ProgramInvocationShortName() << ": "; std::cout << FLAGS_message; gflags::ShutDownCommandLineFlags(); return 0; } EOS system ENV.cxx, "-L#{lib}", "-lgflags", "test.cpp", "-o", "test" assert_match "Hello world!", shell_output("./test") assert_match "Foo bar!", shell_output("./test --message='Foo bar!'") end end