Re: Bootstrap failure on powerpc-linux

[Daniel Jacobowitz <drow at false dot org>]

On Sun, Jan 24, 1999 at 10:57:33PM -0500, Zack Weinberg wrote:
> On Sun, 24 Jan 1999 21:18:48 -0500, Daniel Jacobowitz wrote:
> >The last snapshot fails to build libgcc2.a the first time (is that
> >stage1 or stage2?).  During _bb it runs out of virtual memory (at least
> >400MB worth).  I'll provide more information if anyone can tell me how
> >to.
> 
> As a start, figure out the command to make _bb, stick a -Q in there,
> and see which pass is blowing up.
> 
> zw

The last function printed is __bb_exit_trae_func:

2.1:/usr/src/egcs/egcs-snapshot-19990124/builddir/gcc$   ./xgcc -B./  \
  -B/usr/powerpc-linux/bin/ -O2 -DIN_GCC -DHAIFA -DMULTIBYTE_CHARS=1  \
  -g -W -Wall -I./include  -fPIC -g1 -DHAVE_GTHR_DEFAULT -DIN_LIBGCC2 \
  -D__GCC_FLOAT_NOT_NEEDED    -mstrict-align -I. -I../../gcc          \
  -I../../gcc/config -I../../gcc/../include -c -DL_bb                 \
  ../../gcc/libgcc2.c -Q -o _bb.o
../../gcc/libgcc2.c:0: warning: `#system(unix)' re-asserted
../../gcc/libgcc2.c:0: warning: `#system(linux)' re-asserted
 strtod strtol strtoul strtoq strtouq strtoll strtoull atof atoi atol
 atoll vprintf getchar getc_unlocked getchar_unlocked putchar
 fputc_unlocked putc_unlocked putchar_unlocked feof_unlocked
 ferror_unlocked __store_long __fetch_long __write_long __read_long
 __strcpy_small __strcspn_c1 __strcspn_c2 __strcspn_c3 __strspn_c1
 __strspn_c2 __strspn_c3 __strpbrk_c2 __strpbrk_c3 __strtok_r_1c
 __strsep_1c __strsep_2c __strsep_3c __strsep_g num_digits
 __bb_exit_func
../../gcc/libgcc2.c: In function _bb_exit_func':
../../gcc/libgcc2.c:1603: warning: implicit declaration of function `time'
../../gcc/libgcc2.c:1613: warning: comparison between signed and unsigned
../../gcc/libgcc2.c:1641: warning: comparison between signed and unsigned
 __bb_init_func __bb_exit_trace_func

and then it hangs and spins.

Any other debugging options I should try?  And BTW, -Q is nearly
completely undocumented.  It is mentioned once in the info page, but
not in the listing of arguments; it is completely absent from the man
page.

Dan

/--------------------------------\  /--------------------------------\
|       Daniel Jacobowitz        |__|     CMU, CS class of 2002      |
|   Debian GNU/Linux Developer    __   Part-Time Systems Programmer  |
|         dan@debian.org         |  |        drow@cs.cmu.edu         |
\--------------------------------/  \--------------------------------/