checking if libtool supports shared libraries... yes
checking whether to build shared libraries... yes
checking whether to build static libraries... yes
checking for f77 option to produce PIC... -fPIC
checking if f77 PIC flag -fPIC works... yes
checking if f77 static flag -static works... yes
checking if f77 supports -c -o file.o... yes
checking whether the f77 linker (/usr/bin/ld) supports shared libraries... yes
checking dynamic linker characteristics... freebsd6.0 ld.so
checking how to hardcode library paths into programs... immediate
appending configuration tag "GCJ" to libtool
configure: creating ./config.status
config.status: creating Makefile
config.status: creating doc/Makefile
config.status: creating tests/Makefile
config.status: executing depfiles commands
=== configuring in libltdl (/usr/ports/devel/libtool15/work/libtool-1.5.22/liblt                                              dl)
configure: running /bin/sh './configure' --prefix=/usr/local  '--disable-ltdl-in                                              stall' '--program-suffix=15' '--infodir=/usr/local/info' '--prefix=/usr/local' '                                              --build=i386-portbld-freebsd6.0' 'build_alias=i386-portbld-freebsd6.0' 'CC=cc' '                                              CFLAGS=-O2 -fno-strict-aliasing -pipe ' 'CXX=c++' 'CXXFLAGS=-O2 -fno-strict-alia                                              sing -pipe' --cache-file=/dev/null --srcdir=.
checking for a BSD-compatible install... /usr/bin/install -c -o root -g wheel
checking whether build environment is sane... configure: error: newly created fi                                              le is older than distributed files!
Check your system clock
configure: error: /bin/sh './configure' failed for libltdl
===>  Script "configure" failed unexpectedly.
Please report the problem to ade@FreeBSD.org [maintainer] and attach the
"/usr/ports/devel/libtool15/work/libtool-1.5.22/config.log" including the
output of the failure of your make command. Also, it might be a good idea to
provide an overview of all packages installed on your system (e.g. an `ls
/var/db/pkg`).
*** Error code 1

Stop in /usr/ports/devel/libtool15.
*** Error code 1

Stop in /usr/ports/textproc/expat2.
*** Error code 1

Stop in /usr/ports/www/apache13.