[Pkg-scicomp-devel] Bug#629414: libcv2.1: opencv requires cmov instruction

[Aymeric Vincent]

Package: libcv2.1
Version: 2.1.0-3
Severity: normal


Hi,

the version of libcv2.1 that comes with Debian stable should work on any
i386 hardware, but does not. On the Vortex86DX (i586-compatible), it breaks
due to the presence of (at least) a cmovg instruction (i686+).

Program received signal SIGILL, Illegal instruction.
0xb7ef8968 in cvInitImageHeader () from /usr/lib/libcxcore.so.2.1
(gdb) bt
#0  0xb7ef8968 in cvInitImageHeader () from /usr/lib/libcxcore.so.2.1
#1  0xb79f8e61 in CvCapture_FFMPEG::open(char const*) ()
   from /usr/lib/libhighgui.so.2.1
#2  0xb79f8fa1 in cvCreateFileCapture_FFMPEG(char const*) ()
   from /usr/lib/libhighgui.so.2.1
#3  0xb79e8fa2 in cvCreateFileCapture () from /usr/lib/libhighgui.so.2.1
....

(gdb) x/i 0xb7ef8968
0xb7ef8968 <cvInitImageHeader+552>:     cmovg  0x150(%esp),%eax
(gdb) 

Regards,
 Aymeric

-- System Information:
Debian Release: 6.0.1
  APT prefers stable
  APT policy: (500, 'stable')
Architecture: i386 (i586)

Kernel: Linux 2.6.39 (SMP w/1 CPU core)
Locale: LANG=C, LC_CTYPE=C (charmap=ANSI_X3.4-1968)
Shell: /bin/sh linked to /bin/dash

Versions of packages libcv2.1 depends on:
ii  libc6                   2.11.2-10        Embedded GNU C Library: Shared lib
ii  libgcc1                 1:4.4.5-8        GCC support library
ii  liblapack3gf [liblapack 3.2.1-8          library of linear algebra routines
ii  libstdc++6              4.4.5-8          The GNU Standard C++ Library v3
ii  zlib1g                  1:1.2.3.4.dfsg-3 compression library - runtime

libcv2.1 recommends no packages.

libcv2.1 suggests no packages.

-- no debconf information