[pkgsrc/trunk]: pkgsrc/audio/libaudiofile libaudiofile: attempt to fix Ubuntu...

[maya <maya%pkgsrc.org@localhost>]

details:   https://anonhg.NetBSD.org/pkgsrc/rev/102e8465ffc1
branches:  trunk
changeset: 356031:102e8465ffc1
user:      maya <maya%pkgsrc.org@localhost>
date:      Sat Dec 17 16:40:31 2016 +0000

description:
libaudiofile: attempt to fix Ubuntu build which is failing due to UB in code

Switch left shift of negative operand with functionally equivalent and
well-defined function.

diffstat:

 audio/libaudiofile/distinfo                                          |   3 +-
 audio/libaudiofile/patches/patch-libaudiofile_modules_SimpleModule.h |  16 ++++++++++
 2 files changed, 18 insertions(+), 1 deletions(-)

diffs (33 lines):

diff -r f9a3bb740d40 -r 102e8465ffc1 audio/libaudiofile/distinfo
--- a/audio/libaudiofile/distinfo       Sat Dec 17 14:25:30 2016 +0000
+++ b/audio/libaudiofile/distinfo       Sat Dec 17 16:40:31 2016 +0000
@@ -1,7 +1,8 @@
-$NetBSD: distinfo,v 1.26 2015/11/03 01:12:36 agc Exp $
+$NetBSD: distinfo,v 1.27 2016/12/17 16:40:31 maya Exp $
 
 SHA1 (audiofile-0.3.6.tar.gz) = 3aba3ef724b1b5f88cfc20ab9f8ce098e6c35a0e
 RMD160 (audiofile-0.3.6.tar.gz) = d0666dbf98cb4b41304b01e1b4f8ca15fe9288d8
 SHA512 (audiofile-0.3.6.tar.gz) = f9a1182d93e405c21eba79c5cc40962347bff13f1b3b732d9a396e3d1675297515188bd6eb43033aaa00e9bde74ff4628c1614462456529cabba464f03c1d5fa
 Size (audiofile-0.3.6.tar.gz) = 811733 bytes
 SHA1 (patch-libaudiofile_CAF.cpp) = ddea79105f9b1e7222f91649815668d3a8ee6e98
+SHA1 (patch-libaudiofile_modules_SimpleModule.h) = 73aeee36ef390502b38353e35bb56776a4ca052d
diff -r f9a3bb740d40 -r 102e8465ffc1 audio/libaudiofile/patches/patch-libaudiofile_modules_SimpleModule.h
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/audio/libaudiofile/patches/patch-libaudiofile_modules_SimpleModule.h      Sat Dec 17 16:40:31 2016 +0000
@@ -0,0 +1,16 @@
+$NetBSD: patch-libaudiofile_modules_SimpleModule.h,v 1.1 2016/12/17 16:40:31 maya Exp $
+
+Left shift of a negative number is UB and doesn't build (-fpermissive)
+Switch with functionally identical but well-defined operation.
+
+--- libaudiofile/modules/SimpleModule.h.orig   2013-03-06 05:30:03.000000000 +0000
++++ libaudiofile/modules/SimpleModule.h
+@@ -123,7 +123,7 @@ struct signConverter
+       typedef typename IntTypes<Format>::UnsignedType UnsignedType;
+ 
+       static const int kScaleBits = (Format + 1) * CHAR_BIT - 1;
+-      static const int kMinSignedValue = -1 << kScaleBits;
++      static const int kMinSignedValue = ~((1 << kScaleBits) - 1);
+ 
+       struct signedToUnsigned : public std::unary_function<SignedType, UnsignedType>
+       {