49 lines
1.5 KiB
Ruby
49 lines
1.5 KiB
Ruby
class Libpng < Formula
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desc "Library for manipulating PNG images"
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homepage "http://www.libpng.org/pub/png/libpng.html"
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url "https://download.sourceforge.net/libpng/libpng-1.6.34.tar.xz"
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mirror "ftp://ftp-osl.osuosl.org/pub/libpng/src/libpng16/libpng-1.6.34.tar.xz"
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sha256 "2f1e960d92ce3b3abd03d06dfec9637dfbd22febf107a536b44f7a47c60659f6"
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bottle do
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cellar :any
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sha256 "d38a64089526ecc1413acbc22373821fd181442b80ffccfd8322a5724dc09759" => :high_sierra
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sha256 "d587603b3079fb7ad5cecdd451ee7fdf88f80a8b88f457ed199270d85753208c" => :sierra
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sha256 "0c17ca28357c801a0fb81667ba69c1ed820d0348ca7728766ea16e3bd9b0ff19" => :el_capitan
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end
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head do
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url "https://github.com/glennrp/libpng.git"
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depends_on "autoconf" => :build
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depends_on "automake" => :build
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depends_on "libtool" => :build
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end
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keg_only :provided_pre_mountain_lion
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def install
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system "./configure", "--disable-dependency-tracking",
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"--disable-silent-rules",
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"--prefix=#{prefix}"
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system "make"
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system "make", "test"
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system "make", "install"
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end
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test do
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(testpath/"test.c").write <<-EOS.undent
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#include <png.h>
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int main()
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{
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png_structp png_ptr;
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png_ptr = png_create_write_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL);
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png_destroy_write_struct(&png_ptr, (png_infopp)NULL);
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return 0;
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}
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EOS
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system ENV.cc, "test.c", "-I#{include}", "-L#{lib}", "-lpng", "-o", "test"
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system "./test"
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end
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end
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