compiling glib 2.0.7 failed on solaris

[iulian dumbrava <iulian dumbrava romtelecom net>]

Hello!
I'm trying to install glib 2.0.7 on my computer but I can't finish this
job because of this:

bash-2.05# make
make  all-recursive
make[1]: Entering directory `/export/home/glib-2.0.7'
Making all in .
make[2]: Entering directory `/export/home/glib-2.0.7'
make[2]: Leaving directory `/export/home/glib-2.0.7'
Making all in m4macros
make[2]: Entering directory `/export/home/glib-2.0.7/m4macros'
make[2]: Nothing to be done for `all'.
make[2]: Leaving directory `/export/home/glib-2.0.7/m4macros'
Making all in glib
make[2]: Entering directory `/export/home/glib-2.0.7/glib'
Making all in libcharset
make[3]: Entering directory `/export/home/glib-2.0.7/glib/libcharset'
/bin/ksh ../../libtool --mode=link gcc  -g -O2 -Wall -D_REENTRANT  -o
libcharset.la   localcharset.lo
rm -fr .libs/libcharset.la .libs/libcharset.* .libs/libcharset.*
ar cru .libs/libcharset.al localcharset.lo
../../libtool[4221]: ar:  not found
make[3]: *** [libcharset.la] Error 127
make[3]: Leaving directory `/export/home/glib-2.0.7/glib/libcharset'
make[2]: *** [all-recursive] Error 1
make[2]: Leaving directory `/export/home/glib-2.0.7/glib'
make[1]: *** [all-recursive] Error 1
make[1]: Leaving directory `/export/home/glib-2.0.7'
make: *** [all-recursive-am] Error 2

I don't know what to do to avoid this error. Please help!
Thanks!