'SunOS 5.9 sun4u sparc SUNW,Sun-Blade-100' with the following:
GCC 3.2, GNU Make 3.80, GNU Bison 1.75, GNU flex 2.5.4
Configure yields one item of interest, though probably not related:
# ./configure --prefix=/usr/local/teTeX configure.log
configure: WARNING: sys/ptem.h: present but cannot be
configure: WARNING: sys/ptem.h: present but cannot be compiled
configure: WARNING: sys/ptem.h: check for missing prerequisite headers?
configure: WARNING: sys/ptem.h: proceeding with the preprocessor's result
configure: WARNING: ## ##
configure:
