homebrew-core/Formula/libpng.rb

50 lines
1.5 KiB
Ruby

class Libpng < Formula
desc "Library for manipulating PNG images"
homepage "http://www.libpng.org/pub/png/libpng.html"
url "ftp://ftp.simplesystems.org/pub/libpng/png/src/libpng16/libpng-1.6.29.tar.xz"
mirror "https://downloads.sourceforge.net/project/libpng/libpng16/1.6.29/libpng-1.6.29.tar.xz"
sha256 "4245b684e8fe829ebb76186327bb37ce5a639938b219882b53d64bd3cfc5f239"
bottle do
cellar :any
sha256 "d8b9466f0694deeb0844ca1740102028d097ffdd8bc2cfc953e4164e9f518bb0" => :sierra
sha256 "c0aba9807326244cf239b75836b78f460d83659a6c9b799a90308f0b6cf4c5ae" => :el_capitan
sha256 "51fa62d4cec2f9948b98b1fc0843a6d543c3dc2c2859c9fb8c49fe64ccfa18e9" => :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