-dnl dynamic loading include files
-AC_CHECK_HEADERS(dlfcn.h dl.h)
-
-dnl ** check for farcalloc (in bcc)
-AC_CHECK_HEADER(alloc.h,[AC_CHECK_FUNCS(farcalloc)])
-
-dnl ** check for valloc (in sunos, solaris, mips, amiga, next, minix, ultrix)
-AC_CHECK_HEADER(malloc.h,[AC_CHECK_FUNCS(valloc)])
-