homebrew-core/Formula/libpng.rb
2016-11-02 10:04:56 -07:00

52 lines
1.6 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-1.6.26.tar.xz"
mirror "https://downloads.sourceforge.net/project/libpng/libpng16/1.6.26/libpng-1.6.26.tar.xz"
sha256 "266743a326986c3dbcee9d89b640595f6b16a293fd02b37d8c91348d317b73f9"
bottle do
cellar :any
sha256 "f9215a039025176328cfbeb979cca738b752a19d51df43d6c9c23b0535699d6b" => :sierra
sha256 "2c1f289bbb1013a8a71a3547e26d2d6bea709fc3d9e918a0ec7eb728ee126919" => :el_capitan
sha256 "5d77f5f8e1c4f08a47fa555a15f5265f4429c2c732ef11f7802be562e4ec99ee" => :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
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