dnl ** check for POSIX regex
HavePosixRegex=NO
-AC_CHECK_HEADER(regex.h,[AC_CHECK_FUNC(regcomp, [HavePosixRegex=YES])])
+AC_CHECK_HEADERS(regex.h,[AC_CHECK_FUNC(regcomp, [HavePosixRegex=YES])])
AC_SUBST(HavePosixRegex)
dnl ** how do we get a timezone name, and UTC offset ?
FPTOOLS_CHECK_HTYPE(nlink_t)
FPTOOLS_CHECK_HTYPE(ssize_t)
FPTOOLS_CHECK_HTYPE(rlim_t)
+FPTOOLS_CHECK_HTYPE(wint_t)
dnl ** Map OpenGL data types to Haskell types
if test $GhcLibsWithHOpenGL = YES ; then
AC_CHECK_LIB(bfd, bfd_init)
dnl ** check for wide-char classifications
-AC_CHECK_HEADERS(wctype.h)
+dnl FreeBSD has an emtpy wctype.h, so test one of the affected
+dnl functions if it's really there.
+AC_CHECK_HEADERS(wctype.h,
+ [AC_CHECK_FUNCS(iswspace)]
+)
dnl ** check for readline, for Hugs and hslibs' Readline
dnl ncurses supersedes termcap and curses, but for compatibility,