homebrew-core/Formula/libpng.rb
2017-08-01 03:59:14 -07:00

49 lines
1.5 KiB
Ruby

class Libpng < Formula
desc "Library for manipulating PNG images"
homepage "http://www.libpng.org/pub/png/libpng.html"
url "https://download.sourceforge.net/libpng/libpng-1.6.31.tar.xz"
mirror "ftp://ftp-osl.osuosl.org/pub/libpng/src/libpng16/libpng-1.6.31.tar.xz"
sha256 "232a602de04916b2b5ce6f901829caf419519e6a16cc9cd7c1c91187d3ee8b41"
bottle do
cellar :any
sha256 "9d9e460b53e55171611658d7fbbbf95a0adcb85f8a61a1144bcc3e9214cb58d7" => :sierra
sha256 "3accfdf2130296f56a07fa901c144f7a05bba62df0b806a78c598eeca5c355e4" => :el_capitan
sha256 "73ec98b55afc2a098e20668ed51a77d337bf7268308eb29e438b63a58af93c8f" => :yosemite
end
head do
url "https://github.com/glennrp/libpng.git"
depends_on "autoconf" => :build
depends_on "automake" => :build
depends_on "libtool" => :build
end
keg_only :provided_pre_mountain_lion
def install
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