> Modified Files:
> 	src/regress/libexec/ld.elf_so/origin/lib: Makefile
> 	src/regress/libexec/ld.elf_so/origin/prog: Makefile

This pretty much completely fails to [cross-]compile for me
for any architecture:

pts/3 dogcow@marble: ~/work/nbsrc/regress/libexec 4112 % ~/work/nbobj/tools/bin/nbmake-alpha | egrep '(==|^#)'      
all ===> ld.elf_so
all ===> ld.elf_so/expand
#   compile  expand/expand.o
#      link  expand/expand
all ===> ld.elf_so/origin
all ===> ld.elf_so/origin/lib
#   compile  lib/foosrc.ln
#   compile  lib/foosrc.o
#   compile  lib/foosrc.po
#   compile  lib/foosrc.so
#     build  lib/libfoo.a
#     build  lib/libfoo_p.a
#     build  lib/libfoo_pic.a
#   compile  lib/llib-lfoo.ln
all ===> ld.elf_so/origin/prog
cp: cannot stat `/home/dogcow/work/nbobj/alfobj/home/dogcow/work/nbsrc/regress/libexec/ld.elf_so/origin/lib/libfoo.so.0': No such file or directory
#   compile  prog/origin.o
#      link  prog/origin
origin.o: In function `main':
: undefined reference to `foo'
origin.o: In function `main':
: undefined reference to `foo'
collect2: ld returned 1 exit status

In other words, lib/ only builds the static libs, and fails to build
any shlibs at all - thus causing everything else to croak.