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I am having Problems installing libg++-2.2.  
I got everything to compile except 2 files from the iostream library.
I made libg++ without these two files but when I ran g++ I got the 
following error message:
ld:
Undefined:
vscan__9streambufPCcPcPUc
vform__9streambufPCcPc

Seems like I need to compile sbufvscan.C and sbufvform.C.
Can someone tell me how to compile these two routines.  I'm using 
gcc version 2.1 on a decstation 5000/240 running Ultrix v4.2a.  
( can version libg++-2.2 be used with gcc v2.1? ).   

I include the output of running make and the error messages.

Thanks Alot,
John O'Neill

PS Quick question, how can you tell what version of libg++ you are using?

========================================================================
%make -f Makefile
`if [ -f ${rootprefix}../../gcc/gcc ] ;  then echo ${rootprefix}../../gcc/gcc -B
${rootprefix}../../gcc/ ;  else echo gcc ; fi` -g  -I. -I.. -I. -I./../src -I./.
./g++-include -c `if [ -f ${rootprefix}../../gcc/gcc ] ;  then echo -I${rootpref
ix}../../gcc/include ;  else echo ; fi` sbufvform.C
sbufvform.C: In method `int  streambuf::vform (const char *, char *)':
sbufvform.C:248: warning: implicit declaration of function `__builtin_alignof'
sbufvform.C:248: parse error before `4'
sbufvform.C:248: parse error before `4'
sbufvform.C:248: parse error before `['
sbufvform.C:260: parse error before `4'
sbufvform.C:260: parse error before `4'
sbufvform.C:260: parse error before `)'
.
. similar errors
.
sbufvform.C:427: parse error before `4'
sbufvform.C:427: parse error before `)'
*** Error code 1
Stop.

Similiar problem with sbufvscan.C (comment out sbufvform.C)

John,

	The documentation for libg++ states that you must have the same
version or greater of g++ to build libg++.  I was using g++ 2.2.2 and building
libg++ 2.2 and still had the problem you had:

>`if [ -f ${rootprefix}../../gcc/gcc ] ;  then echo ${rootprefix}../../gcc/gcc -B
>${rootprefix}../../gcc/ ;  else echo gcc ; fi` -g  -I. -I.. -I. -I./../src -I./.
>./g++-include -c `if [ -f ${rootprefix}../../gcc/gcc ] ;  then echo -I${rootpref
>ix}../../gcc/include ;  else echo ; fi` sbufvform.C
>sbufvform.C: In method `int  streambuf::vform (const char *, char *)':
>sbufvform.C:248: warning: implicit declaration of function `__builtin_alignof'
>sbufvform.C:248: parse error before `4'
sbufvform.C:248: parse error before `4'
>sbufvform.C:248: parse error before `['
>sbufvform.C:260: parse error before `4'
>sbufvform.C:260: parse error before `4'
>sbufvform.C:260: parse error before `)'
>.
>. similar errors
>.
>sbufvform.C:427: parse error before `4'
>sbufvform.C:427: parse error before `)'
>*** Error code 1
>Stop.


The quick and dirty hack I did was to add the following line after the last
#include statement in the files sbufvform.C and sbufvscan.C:

#define __builtin_alignof __alignof__

I'd say it's a dirty hack, but I did get libg++ 2.2 to build under
Ultrix 4.3 on a DECstation 3100 with g++ (gcc) 2.2.2.

	Hope I've helped,

	Rich
	rtom@cen.com