homebrew-core/Formula/libpng.rb
2017-10-20 14:10:54 +01:00

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://downloads.sourceforge.net/libpng/libpng-1.6.34.tar.xz"
mirror "https://sourceforge.mirrorservice.org/l/li/libpng/libpng16/1.6.34/libpng-1.6.34.tar.xz"
sha256 "2f1e960d92ce3b3abd03d06dfec9637dfbd22febf107a536b44f7a47c60659f6"
bottle do
cellar :any
sha256 "d38a64089526ecc1413acbc22373821fd181442b80ffccfd8322a5724dc09759" => :high_sierra
sha256 "d587603b3079fb7ad5cecdd451ee7fdf88f80a8b88f457ed199270d85753208c" => :sierra
sha256 "0c17ca28357c801a0fb81667ba69c1ed820d0348ca7728766ea16e3bd9b0ff19" => :el_capitan
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
#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