Hi,
I'm trying to build HEAD_640 version, but bootstrap is failing. Can anyone suggest a fix for this (or should I switch to
 HEAD_641)? Last lines of ouput are below:

config.status: executing depfiles commands
cd /pkgsrc/HEAD_640/pkgsrc/bootstrap/work/wrk/pkgtools/pkg_install/work/libarchive && /usr/bin/env MACHINE_ARCH=i386 
OPSYS=QNX USETOOLS=no CC=gcc CFLAGS=-O2\ -I/usr/include CPPFLAGS=-D_LARGEFILE_SOURCE\ -D_LARGE_FILES\ -
D_FILE_OFFSET_BITS=64\ -DDEF_UMASK=0002\ -I/pkgsrc/HEAD_640/pkgsrc/bootstrap/work/wrk/pkgtools/pkg_install/work/bzip2\ -
I/pkgsrc/HEAD_640/pkgsrc/bootstrap/work/wrk/pkgtools/pkg_install/work/zlib\ -I/pkgsrc/HEAD_640/pkgsrc/bootstrap/work/wrk
/pkgtools/pkg_install/work/libarchive/libarchive\ -I/pkgsrc/HEAD_640/pkgsrc/bootstrap/work/wrk/pkgtools/pkg_install/work
/libfetch\ -DHAVE_NBCOMPAT_H=1\ -I/pkgsrc/HEAD_640/pkgsrc/bootstrap/work/wrk/pkgtools/pkg_install/work/libnbcompat\ -I/
usr/include CXX=c++ CXXFLAGS=-O2\ -I/usr/include COMPILER_RPATH_FLAG=-Wl,-R F77=f77 FC=f77 FFLAGS=-O LANG=C LC_COLLATE=C
 LC_CTYPE=C LC_MESSAGES=C LC_MONETARY=C LC_NUMERIC=C LC_TIME=C LDFLAGS=-L/pkgsrc/HEAD_640/pkgsrc/bootstrap/work/wrk/
pkgtools/pkg_install/work/bzip2\ -L/pkgsrc/HEAD_640/pkgsrc/bootstrap/work/wrk/pkgtools/pkg_install/work/zlib\ -L/pkgsrc/
HEAD_640/pkgsrc/bootstrap/work/wrk/pkgtools/pkg_install/work/libarchive/.libs\ -L/pkgsrc/HEAD_640/pkgsrc/bootstrap/work/
wrk/pkgtools/pkg_install/work/libfetch\ -L/pkgsrc/HEAD_640/pkgsrc/bootstrap/work/wrk/pkgtools/pkg_install/work/
libnbcompat\ -L/usr/lib\ -Wl,-R/usr/lib\ -Wl,-R/usr/pkg/lib LINKER_RPATH_FLAG=-R PATH=/pkgsrc/HEAD_640/pkgsrc/bootstrap/
work/wrk/pkgtools/pkg_install/work/.wrapper/bin:/pkgsrc/HEAD_640/pkgsrc/bootstrap/work/wrk/pkgtools/pkg_install/work/.
buildlink/bin:/pkgsrc/HEAD_640/pkgsrc/bootstrap/work/wrk/pkgtools/pkg_install/work/.gcc/bin:/pkgsrc/HEAD_640/pkgsrc/
bootstrap/work/wrk/pkgtools/pkg_install/work/.tools/bin:/usr/pkg/bin:/usr/pkg/bin:/usr/pkg/sbin::/sbin:/usr/sbin:/bin:/
usr/bin:/usr/photon/bin:/usr/photon/appbuilder:/opt/X11R6/bin:/usr/X11R6/bin:/usr/local/bin:/opt/bin:/opt/sbin:/usr/
qnx640/host/qnx6/x86/usr/bin:/usr/qnx640/host/qnx6/x86/usr/sbin:/usr/qnx640/host/qnx6/x86/sbin:/usr/qnx640/host/qnx6/x86
/bin:/usr/qnx640/host/qnx6/x86/usr/photon/appbuilder:/sbin:/usr/sbin:/usr/pkg/bin:/usr/pkg/bin PREFIX=/usr/pkg 
PKG_SYSCONFDIR=/usr/pkg/etc CXXCPP=cpp HOME=/pkgsrc/HEAD_640/pkgsrc/bootstrap/work/wrk/pkgtools/pkg_install/work/.home 
CPP=cpp LINK_ALL_LIBGCC_HACK= LOCALBASE=/usr/pkg NO_WHOLE_ARCHIVE_FLAG=-Wl,--no-whole-archive WHOLE_ARCHIVE_FLAG=-Wl,--
whole-archive X11BASE=/usr/pkg X11PREFIX=/usr/pkg PKGMANDIR=man MAKECONF=/dev/null OBJECT_FMT=ELF USETOOLS=no 
BSD_INSTALL_PROGRAM=/pkgsrc/HEAD_640/pkgsrc/bootstrap/work/bin/install-sh\ -c\ -s\ -o\ root\ -g\ root\ -m\ 555 
BSD_INSTALL_SCRIPT=/pkgsrc/HEAD_640/pkgsrc/bootstrap/work/bin/install-sh\ -c\ -o\ root\ -g\ root\ -m\ 555 
BSD_INSTALL_LIB=/pkgsrc/HEAD_640/pkgsrc/bootstrap/work/bin/install-sh\ -c\ -o\ root\ -g\ root\ -m\ 555 BSD_INSTALL_DATA=
/pkgsrc/HEAD_640/pkgsrc/bootstrap/work/bin/install-sh\ -c\ -o\ root\ -g\ root\ -m\ 444 BSD_INSTALL_MAN=/pkgsrc/HEAD_640/
pkgsrc/bootstrap/work/bin/install-sh\ -c\ -o\ root\ -g\ root\ -m\ 444 BSD_INSTALL=/pkgsrc/HEAD_640/pkgsrc/bootstrap/work
/bin/install-sh BSD_INSTALL_PROGRAM_DIR=/pkgsrc/HEAD_640/pkgsrc/bootstrap/work/bin/install-sh\ -d\ -o\ root\ -g\ root\ -
m\ 755 BSD_INSTALL_SCRIPT_DIR=/pkgsrc/HEAD_640/pkgsrc/bootstrap/work/bin/install-sh\ -d\ -o\ root\ -g\ root\ -m\ 755 
BSD_INSTALL_LIB_DIR=/pkgsrc/HEAD_640/pkgsrc/bootstrap/work/bin/install-sh\ -d\ -o\ root\ -g\ root\ -m\ 755 
BSD_INSTALL_DATA_DIR=/pkgsrc/HEAD_640/pkgsrc/bootstrap/work/bin/install-sh\ -d\ -o\ root\ -g\ root\ -m\ 755 
BSD_INSTALL_MAN_DIR=/pkgsrc/HEAD_640/pkgsrc/bootstrap/work/bin/install-sh\ -d\ -o\ root\ -g\ root\ -m\ 755 
BSD_INSTALL_GAME=/pkgsrc/HEAD_640/pkgsrc/bootstrap/work/bin/install-sh\ -c\ -s\ -o\ root\ -g\ root\ -m\ 555 
BSD_INSTALL_GAME_DATA=/pkgsrc/HEAD_640/pkgsrc/bootstrap/work/bin/install-sh\ -c\ -o\...