homebrew-core/Formula/libpng.rb
2016-12-30 06:58:15 -08:00

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-1.6.27.tar.xz"
mirror "https://downloads.sourceforge.net/project/libpng/libpng16/1.6.27/libpng-1.6.27.tar.xz"
sha256 "fca2ffd97336356cdab9bfa8936b9d6dfd580a70205e5dfead3ac42cb054b57b"
bottle do
cellar :any
sha256 "fa57be46b1618c1210357bdad465cfc1366e89338671959d2292bdb66727ed5e" => :sierra
sha256 "4f26a6a98c66ddc3491b0b316dc410048f44c88537c58268a7ef720383031332" => :el_capitan
sha256 "24342c1ff1c90cee57947a0a18204df5b8220ffa9555bd0174cad8049bfe7a6e" => :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