boehm-gc troubles with 2.0.10 on NetBSD/i386

[Greg Troxel <gdt@ir.bbn.com>]

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I've been a guile user erratically for a long time, and maintain the
entry for guile in pkgsrc.  Currently that's at 1.8.8 and it works fine.

There's a draft package for guile 2.  boehm-gc in pkgsrc on NetBSD is
built without threads, and I have --disable-threads passed to guile's
configure.

The build goes ok until trying to run guild.  Just starting it without
args leads to:

/usr/pkgsrc/wip/guile2/work/guile-2.0.10/libguile > ../meta/uninstalled-env ../meta/guild
0xbbbe12d4 is not a GC visible pointer location
GC_is_visible test failed
Abort trap (core dumped)

Trying with gdb:

Starting program: /u0/n0/gdt/NetBSD-current/pkgsrc/wip/guile2/work/guile-2.0.10/libguile/.libs/guile 

Program received signal SIGSEGV, Segmentation fault.
[Switching to LWP 1]
0xbba868ae in GC_find_limit_with_bound () from /usr/pkg/lib/libgc.so.1
(gdb) bt
#0  0xbba868ae in GC_find_limit_with_bound () from /usr/pkg/lib/libgc.so.1
#1  0xbba8696e in GC_find_limit () from /usr/pkg/lib/libgc.so.1
#2  0xbba8699d in GC_init_netbsd_elf () from /usr/pkg/lib/libgc.so.1
#3  0xbba85b3f in GC_init () from /usr/pkg/lib/libgc.so.1
#4  0xbbaf9748 in scm_storage_prehistory () from .libs/libguile-2.0.so.29
#5  0xbbb0abaf in scm_i_init_guile () from .libs/libguile-2.0.so.29
#6  0xbbb670bc in scm_i_init_thread_for_guile () from .libs/libguile-2.0.so.29
#7  0xbbb672d7 in with_guile_and_parent () from .libs/libguile-2.0.so.29
#8  0xbba85767 in GC_call_with_stack_base () from /usr/pkg/lib/libgc.so.1
#9  0xbbb674b9 in scm_with_guile () from .libs/libguile-2.0.so.29
#10 0xbbb0ab67 in scm_boot_guile () from .libs/libguile-2.0.so.29
#11 0x08048ce9 in main ()

When I run the included tests on boehm-gc 7.2e, they all past.


So I wonder if you think this is a boehm-gc issue, or something odd that
guile is doing to boehm-gc.  Any hints would be appreciated.



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