other/1697: bootstrapping fails: malformed option `-A system=posix'

[harri at trolltech dot com]

>Number:         1697
>Category:       other
>Synopsis:       bootstrapping fails: malformed option `-A system=posix'
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    unassigned
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Thu Jan 18 09:16:00 PST 2001
>Closed-Date:
>Last-Modified:
>Originator:     harri@trolltech.com
>Release:        2.97
>Organization:
>Environment:
i386-linux/2.95.2
>Description:
I can't bootstrap the current CVS (20010118) with gcc 2.95.2
and srcdir != objdir.

configure --enable-shared
make bootstrap
....
/usr/local/src/gcc/obj/gcc/xgcc -B/usr/local/src/gcc/obj/gcc/ -B/usr/local/i686-pc-linux-gnu/bin/ -B/usr/local/i686-pc-linux-gnu/lib/ -isystem /usr/local/i686-pc-linux-gnu/include -dumpspecs > tmp-specs
mv tmp-specs specs
echo "int xxy_us_dummy;" >tmp-dum.c
/usr/local/src/gcc/obj/gcc/xgcc -B/usr/local/src/gcc/obj/gcc/ -B/usr/local/i686-pc-linux-gnu/bin/ -B/usr/local/i686-pc-linux-gnu/lib/ -isystem /usr/local/i686-pc-linux-gnu/include -S tmp-dum.c
echo '/*WARNING: This file is automatically generated!*/' >tmp-under.c
if grep _xxy_us_dummy tmp-dum.s > /dev/null ; then \
  echo "int prepends_underscore = 1;" >>tmp-under.c; \
else \
  echo "int prepends_underscore = 0;" >>tmp-under.c; \
fi
/bin/sh /usr/local/src/gcc/gcc/gcc/move-if-change tmp-under.c underscore.c
rm -f tmp-dum.c tmp-dum.s
touch s-under
gcc -c  -DIN_GCC    -g -O2 -W -Wall -Wwrite-strings -Wstrict-prototypes -Wmissing-prototypes -Wtraditional -pedantic -Wno-long-long  -DHAVE_CONFIG_H    -I. -I. -I/usr/local/src/gcc/gcc/gcc -I/usr/local/src/gcc/gcc/gcc/. -I/usr/local/src/gcc/gcc/gcc/config -I/usr/local/src/gcc/gcc/gcc/../include underscore.c -o underscore.o
underscore.c:0: malformed option `-A system=posix'
underscore.c:0: malformed option `-A cpu=i386'
underscore.c:0: malformed option `-A machine=i386'
make[1]: *** [underscore.o] Error 1
make[1]: Leaving directory `/usr/local/src/gcc/obj/gcc'
make: *** [all-gcc] Error 2

The 'spec' file in the gcc dir is picked up by my old 2.95
and not understood.
>How-To-Repeat:

>Fix:

>Release-Note:
>Audit-Trail:
>Unformatted: