Re: port-arm/47798: [arm-netbsdelf] /usr/pkgsrc/net/mikutter: core/mui/gtk_web_image_loader.rb:242: [BUG] Segmentation fault

[Izumi Tsutsui <tsutsui%ceres.dti.ne.jp@localhost>]

The following reply was made to PR port-arm/47798; it has been noted by GNATS.

From: Izumi Tsutsui <tsutsui%ceres.dti.ne.jp@localhost>
To: gnats-bugs%NetBSD.org@localhost
Cc: tsutsui%ceres.dti.ne.jp@localhost
Subject: Re: port-arm/47798: [arm-netbsdelf] /usr/pkgsrc/net/mikutter: 
core/mui/gtk_web_image_loader.rb:242:
         [BUG] Segmentation fault
Date: Thu, 13 Jun 2013 21:50:06 +0900

 ruby193.core says it fails in new libpng16:
 ---
 (gdb) bt
 #0 0x203746e0 in _lwp_kill () from /usr/lib/libc.so.12
 #1 0x203728d4 in abort () from /usr/lib/libc.so.12
 #2 0x20080814 in rb_bug () from /usr/pkg/lib/libruby193.so.19
 #3 0x20121bd8 in sigsegv () from /usr/pkg/lib/libruby193.so.19
 #4 0x20304a7c in __gesf2 () from /usr/lib/libc.so.12
 #5 0x228a13fc in png_chunk_warning () from /usr/pkg/lib/libpng16.so.16
 #6 0x228a027c in png_icc_set_sRGB () from /usr/pkg/lib/libpng16.so.16
 #7 0x228b1950 in png_handle_iCCP () from /usr/pkg/lib/libpng16.so.16
 #8 0x228a3b34 in png_push_read_chunk () from /usr/pkg/lib/libpng16.so.16
 #9 0x228a4758 in png_process_data () from /usr/pkg/lib/libpng16.so.16
 #10 0x228a4758 in png_process_data () from /usr/pkg/lib/libpng16.so.16
 Backtrace stopped: previous frame identical to this frame (corrupt stack?)
 (gdb)
 ---
 
 and building pkgsrc/graphics/png with -O seems to work around.
 
 --- /dev/null  2013-06-13 11:45:22.000000000 +0000
 +++ pkgsrc/graphics/png/hacks.mk
 @@ -0,0 +1,15 @@
 +# $NetBSD$
 +
 +.if !defined(PNG_HACKS_MK)
 +PNG_HACKS_MK= defined
 +
 +.include "../../mk/compiler.mk"
 +
 +### gcc-4.5.3 in NetBSD/arm 6.1 causes SEGV in some png functions.
 +### -O seems to work around.
 +.if !empty(MACHINE_PLATFORM:MNetBSD-*-arm) && !empty(CC_VERSION:Mgcc-4.5.*)
 +PKG_HACKS+=           optimisation
 +BUILDLINK_TRANSFORM+= rename:-O[0-9]*:-O
 +.endif
 +
 +.endif        # PNG_HACKS_MK
 
 ---
 Izumi Tsutsui