"AM_PROG_LIBTOOL" error

Folks- Attempting to compile PHP from cvs, and came across the following error running ./buildconf: [root@gradylevkov php4]# ./buildconf aclocal: configure.in: 806: macro `AM_PROG_LIBTOOL' not found in library make[1]: *** [aclocal.m4] Error 1 make: *** [all] Error 2 This problem has been documented on the list before, and the suggested solution was the following: >It means the automake and libtool prefixes differ, so that >aclocal cannot find libtool's libtool.m4. > >Copy libtool_prefix/share/aclocal/libtool.m4 to >automake_prefix/share/aclocal and it will work. > >- Sascha On my system, however, it appears that the prefixes for automake and libtool are the same, /usr/local. In fact, these are fresh installs of the latest versions of the required tools, i.e. autoconf-2.13, automake-1.4, bison-1.28, flex-2.5.4, libtool-1.3.5. Any thoughts? Thanks, Troy ________________________________ Troy Grady, Managing Director Grady Levkov & Company, Inc. 580 Broadway, Suite 1100 New York NY, 10012 212-925-0900 x 101 (v) 212-925-0200 (f) troy@gradylevkov.com http://www.gradylevkov.com