59 lines
1.9 KiB
Ruby
59 lines
1.9 KiB
Ruby
require 'formula'
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class Jasper < Formula
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url 'http://www.ece.uvic.ca/~mdadams/jasper/software/jasper-1.900.1.zip'
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homepage 'http://www.ece.uvic.ca/~mdadams/jasper/'
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md5 'a342b2b4495b3e1394e161eb5d85d754'
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depends_on 'jpeg'
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def options
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[["--universal", "Build a universal binary."]]
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end
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def patches
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DATA
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end
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fails_with_llvm "Undefined symbols when linking", :build => "2326"
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def install
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ENV.universal_binary if ARGV.build_universal?
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system "./configure", "--disable-debug",
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"--disable-dependency-tracking",
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"--enable-shared",
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"--prefix=#{prefix}",
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"--mandir=#{man}"
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system "make install"
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end
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end
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# The following patch fixes a bug (still in upstream as of jasper 1.900.1) where an assertion fails
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# when Jasper is fed certain JPEG-2000 files with an alpha channel.
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# see http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=469786
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__END__
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diff --git a/src/libjasper/jpc/jpc_dec.c b/src/libjasper/jpc/jpc_dec.c
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index fa72a0e..1f4845f 100644
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--- a/src/libjasper/jpc/jpc_dec.c
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+++ b/src/libjasper/jpc/jpc_dec.c
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@@ -1069,12 +1069,18 @@ static int jpc_dec_tiledecode(jpc_dec_t *dec, jpc_dec_tile_t *tile)
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/* Apply an inverse intercomponent transform if necessary. */
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switch (tile->cp->mctid) {
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case JPC_MCT_RCT:
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- assert(dec->numcomps == 3);
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+ if (dec->numcomps != 3 && dec->numcomps != 4) {
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+ jas_eprintf("bad number of components (%d)\n", dec->numcomps);
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+ return -1;
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+ }
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jpc_irct(tile->tcomps[0].data, tile->tcomps[1].data,
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tile->tcomps[2].data);
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break;
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case JPC_MCT_ICT:
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- assert(dec->numcomps == 3);
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+ if (dec->numcomps != 3 && dec->numcomps != 4) {
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+ jas_eprintf("bad number of components (%d)\n", dec->numcomps);
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+ return -1;
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+ }
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jpc_iict(tile->tcomps[0].data, tile->tcomps[1].data,
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tile->tcomps[2].data);
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break;
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