[code]
# grep 'cc' /usr/pkgsrc/pkgtools/pkg_install/work/libnbcompat/config.log
PATH: /usr/pkgsrc/pkgtools/pkg_install/work/.gcc/bin
configure:1981: checking for i386--netbsdelf-gcc
configure:2008: result: cc
configure:2294: cc --version >&5
gcc (GCC) 4.1.2 20061021 prerelease (NetBSD nb3 20061125)
configure:2305: cc -v >&5
Configured with: /usr/src/tools/gcc/../../gnu/dist/gcc4/configure --enable-long-long --disable-multilib --enable-threads --disable-symvers --build=i386-unknown-netbsdelf4.99.3 --host=i386--netbsdelf --target=i386--netbsdelf
gcc version 4.1.2 20061021 prerelease (NetBSD nb3 20061125)
configure:2316: cc -V >&5
gcc: couldn't run '/usr/bin/i386--netbsdelf-gcc--I/usr/pkgsrc/pkgtools/pkg_install/work/.buildlink/include': No such file or directory
configure:2365: cc -O2 -D_LARGEFILE_SOURCE -D_LARGE_FILES -D_FILE_OFFSET_BITS=64 -DDEF_UMASK=0022 -I/usr/pkgsrc/pkgtools/pkg_install/work/libarchive/libarchive -I/usr/pkgsrc/pkgtools/pkg_install/work/libfetch -DHAVE_NBCOMPAT_H=1 -I/usr/pkgsrc/pkgtools/pkg_install/work/libnbcompat -L/usr/pkgsrc/pkgtools/pkg_install/work/libarchive/.libs -L/usr/pkgsrc/pkgtools/pkg_install/work/libfetch -L/usr/pkgsrc/pkgtools/pkg_install/work/libnbcompat -Wl,-R/usr/pkg/lib conftest.c >&5
ac_cv_env_CC_value=cc
ac_cv_prog_CC=cc
CC='cc'
[\code]
поменял
# echo $CC
gcc
и все равно такая же ошибка

This file contains any messages produced by compilers while
running configure, to aid debugging if configure makes a mistake.

It was created by libnbcompat configure 20080519, which was
generated by GNU Autoconf 2.62.  Invocation command line was

  $ ./configure --enable-bsd-getopt --host=i386--netbsdelf

## --------- ##
## Platform. ##
## --------- ##

hostname = sip-gw2
uname -m = i386
uname -r = 4.0.0_PATCH
uname -s = NetBSD
uname -v = NetBSD 4.0.0_PATCH (GENERIC) #0: Mon Jul  7 14:07:08 VLAST 2008  root@sip-gw:/usr/obj/sys/arch/i386/compile/GENERIC

/usr/bin/uname -p = i386
/bin/uname -X     = unknown

/bin/arch              = unknown
/usr/bin/arch -k       = unknown
/usr/convex/getsysinfo = unknown
/usr/bin/hostinfo      = unknown
/bin/machine           = unknown
/usr/bin/oslevel       = unknown
/bin/universe          = unknown

PATH: /usr/pkgsrc/pkgtools/pkg_install/work/.wrapper/bin
PATH: /usr/pkgsrc/pkgtools/pkg_install/work/.buildlink/bin
PATH: /usr/pkgsrc/pkgtools/pkg_install/work/.gcc/bin
PATH: /usr/pkgsrc/pkgtools/pkg_install/work/.tools/bin
PATH: /usr/pkg/bin
PATH: /sbin
PATH: /usr/sbin
PATH: /bin
PATH: /usr/bin
PATH: /usr/pkg/sbin
PATH: /usr/pkg/bin
PATH: /usr/X11R6/bin
PATH: /usr/local/sbin
PATH: /usr/local/bin
PATH: /usr/pkg/bin
PATH: /usr/X11R6/bin


## ----------- ##
## Core tests. ##
## ----------- ##

configure:1860: checking build system type
configure:1878: result: i386-unknown-netbsdelf4.0.0.
configure:1900: checking host system type
configure:1915: result: i386--netbsdelf
configure:1942: checking whether make sets $(MAKE)
configure:1964: result: yes
configure:1981: checking for i386--netbsdelf-gcc
configure:2008: result: gcc
configure:2286: checking for C compiler version
configure:2294: gcc --version >&5
gcc (GCC) 4.1.2 20061021 prerelease (NetBSD nb3 20061125)
Copyright (C) 2006 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

configure:2298: $? = 0
configure:2305: gcc -v >&5
Using built-in specs.
Target: i386--netbsdelf
Configured with: /usr/src/tools/gcc/../../gnu/dist/gcc4/configure --enable-long-long --disable-multilib --enable-threads
 --disable-symvers --build=i386-unknown-netbsdelf4.99.3 --host=i386--netbsdelf --target=i386--netbsdelf
Thread model: posix
gcc version 4.1.2 20061021 prerelease (NetBSD nb3 20061125)
configure:2309: $? = 0
configure:2316: gcc -V >&5
gcc: couldn't run '/usr/bin/i386--netbsdelf-gcc--I/usr/pkgsrc/pkgtools/pkg_install/work/.buildlink/include': No such file or
 directory
configure:2320: $? = 1
configure:2343: checking for C compiler default output file name
configure:2365: gcc -O2 -D_LARGEFILE_SOURCE -D_LARGE_FILES -D_FILE_OFFSET_BITS=64 -DDEF_UMASK=0022
 -I/usr/pkgsrc/pkgtools/pkg_install/work/libarchive/libarchive -I/usr/pkgsrc/pkgtools/pkg_install/work/libfetch -DHAVE_NBCOMPAT_H=1
 -I/usr/pkgsrc/pkgtools/pkg_install/work/libnbcompat -L/usr/pkgsrc/pkgtools/pkg_install/work/libarchive/.libs
 -L/usr/pkgsrc/pkgtools/pkg_install/work/libfetch -L/usr/pkgsrc/pkgtools/pkg_install/work/libnbcompat -Wl,-R/usr/pkg/lib conftest.c
  >&5
<built-in>:0: internal compiler error: in real_to_decimal, at real.c:1608
Please submit a full bug report,
with preprocessed source if appropriate.
See <URL:http://www.NetBSD.org/Misc/send-pr.html> for instructions.
configure:2369: $? = 1
configure:2407: result:
configure: failed program was:
| /* confdefs.h.  */
| #define PACKAGE_NAME "libnbcompat"
| #define PACKAGE_TARNAME "libnbcompat"
| #define PACKAGE_VERSION "20080519"
| #define PACKAGE_STRING "libnbcompat 20080519"
| #define PACKAGE_BUGREPORT "grant@NetBSD.org"
| /* end confdefs.h.  */
|
| int
| main ()
| {
|
|   ;
|   return 0;
| }
configure:2413: error: C compiler cannot create executables
See `config.log' for more details.

## ---------------- ##
## Cache variables. ##
## ---------------- ##

ac_cv_build=i386-unknown-netbsdelf4.0.0.
ac_cv_env_CC_set=set
ac_cv_env_CC_value=gcc
ac_cv_env_CFLAGS_set=set
ac_cv_env_CFLAGS_value=-O2
ac_cv_env_CPPFLAGS_set=set
ac_cv_env_CPPFLAGS_value='-D_LARGEFILE_SOURCE -D_LARGE_FILES -D_FILE_OFFSET_BITS=64 -DDEF_UMASK=0022
 -I/usr/pkgsrc/pkgtools/pkg_install/work/libarchive/libarchive -I/usr/pkgsrc/pkgtools/pkg_install/work/libfetch -DHAVE_NBCOMPAT_H=1
 -I/usr/pkgsrc/pkgtools/pkg_install/work/libnbcompat'
ac_cv_env_CPP_set=
ac_cv_env_CPP_value=
ac_cv_env_LDFLAGS_set=set
ac_cv_env_LDFLAGS_value='-L/usr/pkgsrc/pkgtools/pkg_install/work/libarchive/.libs -L/usr/pkgsrc/pkgtools/pkg_install/work/libfetch
 -L/usr/pkgsrc/pkgtools/pkg_install/work/libnbcompat -Wl,-R/usr/pkg/lib'
ac_cv_env_LIBS_set=
ac_cv_env_LIBS_value=
ac_cv_env_build_alias_set=
ac_cv_env_build_alias_value=
ac_cv_env_host_alias_set=set
ac_cv_env_host_alias_value=i386--netbsdelf
ac_cv_env_target_alias_set=
ac_cv_env_target_alias_value=
ac_cv_host=i386--netbsdelf
ac_cv_path_CAT=/bin/cat
ac_cv_path_ECHO=echo
ac_cv_path_EGREP=/usr/bin/egrep
ac_cv_path_ENV=/usr/bin/env
ac_cv_path_FALSE=false
ac_cv_path_GREP=/usr/bin/grep
ac_cv_path_TEST=test
ac_cv_path_TRUE=true
ac_cv_prog_CC=gcc
ac_cv_prog_make_make_set=yes

## ----------------- ##
## Output variables. ##
## ----------------- ##

AR=''
AUTOCONF=''
AUTOHEADER=''
AWK='/usr/bin/awk'
CANONICAL_HOST='i386--netbsdelf'
CC='gcc'
CFLAGS='-O2'
CPP=''
CPPFLAGS='-D_LARGEFILE_SOURCE -D_LARGE_FILES -D_FILE_OFFSET_BITS=64 -DDEF_UMASK=0022 
-I/usr/pkgsrc/pkgtools/pkg_install/work/libarchive/libarchive -I/usr/pkgsrc/pkgtools/pkg_install/work/libfetch -DHAVE_NBCOMPAT_H=1 
-I/usr/pkgsrc/pkgtools/pkg_install/work/libnbcompat'
DEFS=''
ECHO_C=''
ECHO_N='-n'
ECHO_T=''
EGREP='/usr/bin/egrep'
EXEEXT=''
GREP='/usr/bin/grep'
INCLUDES=''
INSTALL_DATA=''
INSTALL_PROGRAM=''
INSTALL_SCRIPT=''
LDFLAGS='-L/usr/pkgsrc/pkgtools/pkg_install/work/libarchive/.libs -L/usr/pkgsrc/pkgtools/pkg_install/work/libfetch
 -L/usr/pkgsrc/pkgtools/pkg_install/work/libnbcompat -Wl,-R/usr/pkg/lib'
LIBOBJS=''
LIBS=''
LN_S=''
LTLIBOBJS=''
OBJEXT=''
PACKAGE_BUGREPORT='grant@NetBSD.org'
PACKAGE_NAME='libnbcompat'
PACKAGE_STRING='libnbcompat 20080519'
PACKAGE_TARNAME='libnbcompat'
PACKAGE_VERSION='20080519'
PATH_SEPARATOR=':'
RANLIB=''
SET_MAKE=''
SHELL='/bin/sh'
ac_ct_CC=''
bindir='${exec_prefix}/bin'
build='i386-unknown-netbsdelf4.0.0.'
build_alias=''
build_cpu='i386'
build_os='netbsdelf4.0.0.'
build_vendor='unknown'
datadir='${datarootdir}'
datarootdir='${prefix}/share'
docdir='${datarootdir}/doc/${PACKAGE_TARNAME}'
dvidir='${docdir}'
exec_prefix='NONE'
host='i386--netbsdelf'
host_alias='i386--netbsdelf'
host_cpu='i386'
host_os='netbsdelf'
host_vendor=''
htmldir='${docdir}'
includedir='${prefix}/include'
infodir='${datarootdir}/info'
libdir='${exec_prefix}/lib'
libexecdir='${exec_prefix}/libexec'
localedir='${datarootdir}/locale'
localstatedir='${prefix}/var'
mandir='${datarootdir}/man'
oldincludedir='/usr/include'
pdfdir='${docdir}'
prefix='NONE'
program_transform_name='s,x,x,'
psdir='${docdir}'
sbindir='${exec_prefix}/sbin'
sharedstatedir='${prefix}/com'
sysconfdir='${prefix}/etc'
target_alias=''

## ----------- ##
## confdefs.h. ##
## ----------- ##

#define PACKAGE_NAME "libnbcompat"
#define PACKAGE_TARNAME "libnbcompat"
#define PACKAGE_VERSION "20080519"
#define PACKAGE_STRING "libnbcompat 20080519"
#define PACKAGE_BUGREPORT "grant@NetBSD.org"

configure: exit 77

да

Если кому интересно, то победил я это пересобрав ядро с опцией
npx0 at isa? port 0xf0 irq 13 # x86 math coprocessor
просто в ряд ли бы догадался, только когда увидел что у меня ntp не работает,
а дальше уже начал ядро ворочать=)