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Re: toolchain/42014: Can't cross-compile netbsd 5.0.1 toolchain on snow leopard

On Sep 28, 2009, at 15:40 , Soren Jacobsen wrote:

The following reply was made to PR toolchain/42014; it has been noted by GNATS.

From: Soren Jacobsen <>
Cc:, Alan Barrett <>
Subject: Re: toolchain/42014: Can't cross-compile netbsd 5.0.1 toolchain on
snow leopard
Date: Mon, 28 Sep 2009 12:35:19 -0700

On Sep 25, 2009, at 9:50 AM, Alan Barrett wrote:

This problem was fixed in -current by the changes described in
Do the same changes fix the problem in netbsd-5?

Yes, they do fix the immediate mtio.h problem, but a tools build still

For me too. Can those changes please be pulled up to netbsd-5?

Log at

I don't see your tool build failure:

dependall ===> binstall
/u1/netbsd-5.0/src/tools/binstall/../../usr.bin/xinstall/xinstall.c: In function 'metadat
/u1/netbsd-5.0/src/tools/binstall/../../usr.bin/xinstall/xinstall.c: 1133: warning: format '%ld' expects type 'long int', but argument 4 has type '__darwin_suseconds_t'
install ===> binstall

The build fails in the distribution step:

checkflist ===> distrib/sets
sh: line 2: 95271 Done ( cat /u1/netbsd-5.0/src/etc/ mtree/NetBSD.dist; echo '/unset all'; cat /u1/netbsd-5.0/destdir.i386/ METALOG ) 95272 Segmentation fault | /u1/netbsd-5.0/tools/bin/nbmtree -C -k all -N /u1/netbsd-5.0/src/etc > /u1/netbsd-5.0/destdir.i386/
--- /u1/netbsd-5.0/destdir.i386/METALOG.sanitised ---
*** [/u1/netbsd-5.0/destdir.i386/METALOG.sanitised] Error code 139
1 error

nbmake: stopped in /u1/netbsd-5.0/src/distrib/sets

The segfault occurs in nbmtree, line 336 in mtree/spec.c. It's caused by junk being returned from the group_from_gid(), with in turn I think is caused by a mixup of where group_from_gid() comes from, nbcompat or the native libc. I got as far as the comment staring at lines 332 in src/tools/compat/compat_defs.h.

As a work-around, providing a header for group_from_gid() in spec.c makes nbmtree work.

nbpax segfaults as well:
--- kernset-XEN3_DOM0 ---
sh: line 1: 60410 Segmentation fault GZIP=-9 /u1/netbsd-5.0/tools/ bin/nbpax -O -zw -M -N /u1/netbsd-5.0/src/etc -f /u1/netbsd-5.0/ release/i386/binary/sets/kern-XEN3_DOM0.tgz

I suspect it's the same issue since it uses group_from_gid() as well.


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