Re: Undefined symbols at run time for gcc-2.95.3

["Ernest L. Williams Jr." <ernesto at ornl dot gov>]

Hi Dave,

We are ctually using the C++ exception handling system.   So I will need to
remove the -nostllib flag.


The other problem is related to the  gcc-2.95.3 build:
----------------------------------------------------------------------------
-------------------------------
/usr/local/src/gcc-2.95.3-vxWorks/libiberty/vasprintf.c:101: macro
`__VA_GP_REGSAVE' used with too many (3) args
/usr/local/src/gcc-2.95.3-vxWorks/libiberty/vasprintf.c:101: macro
`__VA_GP_REGSAVE' used with too many (3) args
/usr/local/src/gcc-2.95.3-vxWorks/libiberty/vasprintf.c:101: macro
`__VA_GP_REGSAVE' used with too many (3) args
/usr/local/src/gcc-2.95.3-vxWorks/libiberty/vasprintf.c:105: macro
`__VA_FP_REGSAVE' used with too many (3) args
/usr/local/src/gcc-2.95.3-vxWorks/libiberty/vasprintf.c:105: macro
`__VA_GP_REGSAVE' used with too many (3) args
/usr/local/src/gcc-2.95.3-vxWorks/libiberty/vasprintf.c:105: macro
`__VA_GP_REGSAVE' used with too many (3) args
/usr/local/src/gcc-2.95.3-vxWorks/libiberty/vasprintf.c:105: macro
`__VA_GP_REGSAVE' used with too many (3) args
gmake[1]: *** [vasprintf.o] Error 1
gmake[1]: Leaving directory
`/usr/local/obj/gcc2.95.3-ppc/powerpc-wrs-vxworks/libiberty'
gmake: *** [all-target-libiberty] Error 2
----------------------------------------------------------------------------
--------------------------------------

I applied the vxWorks patch as mentioned on your website but still get the
above error.

Any ideas here?


Thanks,
*******************************************
Ernest L. Williams Jr.
SNS Control Systems Group, ORNL
701 Scarboro Rd., MS 6473
Oak Ridge, TN 37830
Phone 865-241-9071
e-mail: ernesto@ornl.gov
Fax 865-241-6739
******************************************
----- Original Message -----
From: "David Korn" <dkorn@pixelpower.com>
To: "'Ernest L. Williams Jr.'" <ernesto@ornl.gov>
Cc: <crossgcc@sources.redhat.com>
Sent: Tuesday, October 30, 2001 6:36 AM
Subject: RE: Undefined symbols at run time for gcc-2.95.3


> >-----Original Message-----
> >From: Ernest L. Williams Jr. [mailto:ernesto@ornl.gov]
> >Sent: 30 October 2001 04:02
>
>
> >Hi Dave,
> >
> >Still trying to use gcc-2.95.3 with vxWorks headers
> >I get some undefined symbols under vxWorks:
> >--------------------------------------------------------------
> >Undefined symbol: __start_cp_handler (binding 1 type 0)
> >Undefined symbol: __eh_rtime_match (binding 1 type 0)
> >Undefined symbol: __eh_alloc (binding 1 type 0)
> >value = 28671088 = 0x1b57c70
> >---------------------------------------------------------------
> >
> >Dave, have you seen this behavior?  What am I missing in terms of
> >exception handling?
>
>     Hi Ernest,
>
>
>   You progably stil have -nostdlib in your build flags somewhere.  You
> need to link with libgcc.a, which would be done automatically without
> that flag.  Alternatively if you aren't actually using the C++ exception
> system, you can save a whole load of executable file size and runtime
> overhead by specifying -fno-exceptions.
>
>    cheers,
>      DaveK
> --
> Burn your ID card!  http://www.optional-identity.org.uk/
> Help support the campaign, copy this into your .sig!
>
>
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