problem: uninstall-am in makefile with no install targets and non-GNU make.

[Robert Collins]

with this makefile.am:
===
EXTRA_LIBRARIES = libregex.a libdlmalloc.a
noinst_LIBRARIES = libmiscutil.a @LIBREGEX@ @LIBDLMALLOC@ libntlmauth.a
libmiscutil_a_SOURCES = rfc1123.c rfc1738.c rfc1035.c rfc2617.c util.c \
        getfullhostname.c base64.c uudecode.c splay.c safe_inet_addr.c \
        iso3307.c snprintf.c md5.c radix.c stub_memaccount.c Array.c \
        Stack.c hash.c heap.c html_quote.c
# $(top_srcdir)/include/version.h should be a dependency
# LIBOBJS was included here: what is it used for ?
libregex_a_SOURCES = GNUregex.c
libdlmalloc_a_SOURCES = dlmalloc.c
libntlmauth_a_SOURCES = ntlmauth.c

INCLUDES        = -I$(top_builddir)/include -I$(top_srcdir)/include
===
the resulting makefile is broken with non GNU make.

it has
uninstall: uninstall-am

and in .PHONY: ... uninstall-am ...

but on openBSD I get
"make: don't know how to make uninstall-am. Stop."
 with make uninstall.

Any pointers?