Description:
------------
# cd /path/to/xdiff-1.4
# ./configure
ltconfig: you must specify a host type if you use `--no-verify'
Try `ltconfig --help' for more information.
configure: error: libtool configure failed

# locate libtool
/path/to/xdiff-1.4/libtool
/usr/local/bin/libtool13
/usr/local/bin/libtool15
/usr/local/bin/libtoolize13
/usr/local/bin/libtoolize15

INSTALL BASED on instructions: http://us3.php.net/xdiff

gunzip xdiff-xxx.tgz
tar -xvf xdiff-xxx.tar
cd xdiff-xxx
phpize
./configure && make && make install


PEAR is not installed.

Reproduce code:
---------------
./configure
checking build system type... i386-unknown-freebsd5.3
checking host system type... i386-unknown-freebsd5.3
checking for gcc... gcc
checking for C compiler default output... a.out
checking whether the C compiler works... yes
checking whether we are cross compiling... no
checking for suffix of executables... 
checking for suffix of object files... o
checking whether we are using the GNU C compiler... yes
checking whether gcc accepts -g... yes
checking whether gcc and cc understand -c and -o together... yes
checking if compiler supports -R... yes
checking for PHP prefix... /usr/local
checking for PHP includes... -I/usr/local/include/php -I/usr/local/include/php/main -I/usr/local/include/php/Zend -I/usr/local/include/php/TSRM
checking for PHP extension directory... /usr/local/lib/php/20020429
checking for re2c... exit 0;
checking for gawk... no
checking for mawk... no
checking for nawk... nawk
checking for xdiff support... yes, shared
checking for xdiff files in default path... found in /usr/local
checking for dlopen in -ldl... no
checking for xdl_diff in -lxdiff... yes
checking for xdl_set_allocator in -lxdiff... yes
checking for ranlib... ranlib
checking for ld used by GCC... /usr/bin/ld
checking if the linker (/usr/bin/ld) is GNU ld... yes
checking for BSD-compatible nm... /usr/bin/nm -B
checking whether ln -s works... yes
loading cache /dev/null within ltconfig
ltconfig: you must specify a host type if you use `--no-verify'
Try `ltconfig --help' for more information.
configure: error: libtool configure failed