the shell variable @code{enableval}. If no argument was given to
@samp{--enable-@var{feature}}, @code{enableval} is @samp{yes}.
@samp{--disable-@var{feature}} is equivalent to
-@samp{--enable-@var{feature}=no}.
+@samp{--enable-@var{feature}=no}. At present, arguments containing blanks
+are not handled correctly; if you need an argument to contain a list,
+require the items to be separated by commas instead. (This restriction
+might disappear in the future.)
@end defmac
@defmac AC_PREFIX (@var{program})
the shell variable @code{withval}. If no argument was given to
@samp{--with-@var{package}}, @code{withval} is @samp{yes}.
@samp{--without-@var{package}} is equivalent to
-@samp{--with-@var{package}=no}.
+@samp{--with-@var{package}=no}. At present, arguments containing blanks
+are not handled correctly; if you need an argument to contain a list,
+require the items to be separated by commas instead. (This restriction
+might disappear in the future.)
@end defmac
@node Setting Variables, Printing Messages, Command Line, General Purpose Macros
the shell variable @code{enableval}. If no argument was given to
@samp{--enable-@var{feature}}, @code{enableval} is @samp{yes}.
@samp{--disable-@var{feature}} is equivalent to
-@samp{--enable-@var{feature}=no}.
+@samp{--enable-@var{feature}=no}. At present, arguments containing blanks
+are not handled correctly; if you need an argument to contain a list,
+require the items to be separated by commas instead. (This restriction
+might disappear in the future.)
@end defmac
@defmac AC_PREFIX (@var{program})
the shell variable @code{withval}. If no argument was given to
@samp{--with-@var{package}}, @code{withval} is @samp{yes}.
@samp{--without-@var{package}} is equivalent to
-@samp{--with-@var{package}=no}.
+@samp{--with-@var{package}=no}. At present, arguments containing blanks
+are not handled correctly; if you need an argument to contain a list,
+require the items to be separated by commas instead. (This restriction
+might disappear in the future.)
@end defmac
@node Setting Variables, Printing Messages, Command Line, General Purpose Macros