Re: zsh 4.3.6 FreeBSD bug

["Dag-Erling Smørgrav" <des@des.no>]

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Peter Stephenson <pws@csr.com> writes:
> Dag-Erling Smørgrav <des@des.no> writes:
> > I should add that the patched glob in configure.ac is incorrect, but it
> > works because of the way the port selectively applies the patch.  The
> > correct glob would be something like:
> > 
> >   *openbsd*|*freebsd5*|*freebsd6[012]*)
>
> Thanks, that's what I was after... I've committed that.

two problems I just discovered:

1) there should be a . after the 6.

2) m4 will gobble the square brackets, so the entire case statement
   needs to be quoted.

New patch (relative to 4.3.6) attached.  I've tested it on 6.2, 6.3, 7.0
and CURRENT.

DES
-- 
Dag-Erling Smørgrav - des@des.no


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--- configure.ac.orig	2008-03-28 12:49:32.000000000 +0100
+++ configure.ac	2008-05-05 09:47:30.860369561 +0200
@@ -669,20 +669,20 @@
    termcap_curses_order="$ncursesw_test tinfo termcap $ncurses_test curses" ;;
 esac])dnl
 
-AH_TEMPLATE([ZSH_CURSES_NEEDS_XOPEN],
-[Define if the curses libraries need _XOPEN_SOURCE_EXTENDED defined])
-AC_CACHE_CHECK(if the curses library needs _XOPEN_SOURCE_EXTENDED,
-zsh_cv_curses_needs_xopen,
+AH_TEMPLATE([ZSH_NO_XOPEN],
+[Define if _XOPEN_SOURCE_EXTENDED should not be defined to avoid clashes])
+AC_CACHE_CHECK(if _XOPEN_SOURCE_EXTENDED should not be defined,
+zsh_cv_no_xopen,
-[case "$host_os" in
-  *openbsd*)
-  zsh_cv_curses_needs_xopen=no
+[[case "$host_os" in
+  *openbsd*|*freebsd5*|*freebsd6.[012]*)
+  zsh_cv_no_xopen=yes
   ;;
   *)
-  zsh_cv_curses_needs_xopen=yes
+  zsh_cv_no_xopen=no
   ;;
-esac])
+esac]])
-if test x$zsh_cv_curses_needs_xopen = xyes; then
-  AC_DEFINE(ZSH_CURSES_NEEDS_XOPEN)
+if test x$zsh_cv_no_xopen = xyes; then
+  AC_DEFINE(ZSH_NO_XOPEN)
 fi
 
 dnl Check for tigetflag (terminfo) before tgetent (termcap).
--- Src/system.h.orig	2007-12-14 13:43:33.000000000 +0100
+++ Src/system.h	2008-05-05 09:50:17.333164563 +0200
@@ -52,9 +52,20 @@
 # undef HAVE_SYS_UTSNAME_H
 #endif
 
-#if defined(ZSH_CURSES_SOURCE) && defined(ZSH_CURSES_NEEDS_XOPEN)
-#define _XOPEN_SOURCE_EXTENDED 1
-#endif
+#ifndef ZSH_NO_XOPEN
+# ifdef ZSH_CURSES_SOURCE
+#  define _XOPEN_SOURCE_EXTENDED 1
+# else
+#  ifdef MULTIBYTE_SUPPORT
+/*
+ * Needed for wcwidth() which is part of XSI.
+ * Various other uses of the interface mean we can't get away with just
+ * _XOPEN_SOURCE.
+ */
+#   define _XOPEN_SOURCE_EXTENDED 1
+#  endif /* MULTIBYTE_SUPPORT */
+# endif /* ZSH_CURSES_SOURCE */
+#endif /* ZSH_NO_XOPEN */
 
 /*
  * Solaris by default zeroes all elements of the tm structure in