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-1.6.32.tar.xz"
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mirror "ftp://ftp-osl.osuosl.org/pub/libpng/src/libpng16/libpng-1.6.32.tar.xz"
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sha256 "c918c3113de74a692f0a1526ce881dc26067763eb3915c57ef3a0f7b6886f59b"
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bottle do
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cellar :any
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sha256 "53c8fa0a036f36a0a01aaee8ab7138ee8bb1f436c0fec9c372f138b9840d5729" => :sierra
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sha256 "7ecb31ca907099430fbc4820b10f2fcb61b1a5f34ac7ceb7667b0295742485f2" => :el_capitan
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sha256 "01681368a1f310130415d4488772864bb22e0565c31ee4f6a9b491baec94210d" => :yosemite
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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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