homebrew-core/Formula/libpng.rb
2015-06-05 14:47:57 +01:00

44 lines
1.4 KiB
Ruby

class Libpng < Formula
desc "Library for manipulating PNG images"
homepage "http://www.libpng.org/pub/png/libpng.html"
url "https://downloads.sourceforge.net/project/libpng/libpng16/1.6.17/libpng-1.6.17.tar.xz"
mirror "ftp://ftp.simplesystems.org/pub/libpng/png/src/libpng16/libpng-1.6.17.tar.xz"
sha256 "98507b55fbe5cd43c51981f2924e4671fd81fe35d52dc53357e20f2c77fa5dfd"
bottle do
cellar :any
sha256 "e1d3164a32a4be42bf6e18223e5046d65b2e1127a4cbd9d5907ba4fb9cee760e" => :yosemite
sha256 "90bbba06eea26ccff46c1b5e679491841460ad5e090c0b9c2be90fcb54480005" => :mavericks
sha256 "9b51c3ac3254ad327ed086be14761b87161e60279bc161faa3e7e9c718107c4b" => :mountain_lion
end
keg_only :provided_pre_mountain_lion
option :universal
def install
ENV.universal_binary if build.universal?
system "./configure", "--disable-dependency-tracking",
"--disable-silent-rules",
"--prefix=#{prefix}"
system "make"
system "make", "test"
system "make", "install"
end
test do
(testpath/"test.c").write <<-EOS.undent
#include <png.h>
int main()
{
png_structp png_ptr;
png_ptr = png_create_write_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL);
png_destroy_write_struct(&png_ptr, (png_infopp)NULL);
return 0;
}
EOS
system ENV.cc, "test.c", "-I#{include}", "-L#{lib}", "-lpng", "-o", "test"
system "./test"
end
end