homebrew-core/Formula/babl.rb

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class Babl < Formula
desc "Dynamic, any-to-any, pixel format translation library"
homepage "http://www.gegl.org/babl/"
url "http://download.gimp.org/pub/babl/0.1/babl-0.1.12.tar.bz2"
mirror "https://mirrors.kernel.org/debian/pool/main/b/babl/babl_0.1.12.orig.tar.bz2"
sha256 "2f802b7f1a17b72c10bf0fe1e69b7a888cf7ce62b7cf1537b030f7f88d55a407"
bottle do
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sha256 "b839dc910c873b14e2c86466f3d3894c4349b8755a4231cad78e60ed85f7b4dd" => :el_capitan
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sha256 "db81183522e6d338475e43c2bed097b0ab5706eb24cc68c1889a673ca529e743" => :yosemite
sha256 "8782f771f5efa9cbc5dcf09815b4cb078647477f56b2110e5c67517adeb5c8e3" => :mavericks
sha256 "6e4ba55b1698c2edb1a006fbaa1bcaa72a8fc65007d86e21e022116a42a1bcae" => :mountain_lion
end
head do
# Use Github instead of GNOME's git. The latter is unreliable.
url "https://github.com/GNOME/babl.git"
depends_on "automake" => :build
depends_on "autoconf" => :build
depends_on "libtool" => :build
end
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option :universal
depends_on "pkg-config" => :build
def install
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if build.universal?
ENV.universal_binary
opoo "Compilation may fail at babl-cpuaccel.c using gcc for a universal build" if ENV.compiler == :gcc
end
system "./autogen.sh" if build.head?
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system "./configure", "--disable-dependency-tracking",
"--prefix=#{prefix}"
system "make", "install"
end
test do
(testpath/"test.c").write <<-EOS.undent
#include <babl/babl.h>
int main() {
babl_init();
const Babl *srgb = babl_format ("R'G'B' u8");
const Babl *lab = babl_format ("CIE Lab float");
const Babl *rgb_to_lab_fish = babl_fish (srgb, lab);
babl_exit();
return 0;
}
EOS
system ENV.cc, "-I#{include}/babl-0.1", "-L#{lib}", "-lbabl-0.1", testpath/"test.c", "-o", "test"
system testpath/"test"
end
end