diff options
Diffstat (limited to 'm4/wcwidth.m4')
| -rw-r--r-- | m4/wcwidth.m4 | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/m4/wcwidth.m4 b/m4/wcwidth.m4 index 8a97e38..740f81e 100644 --- a/m4/wcwidth.m4 +++ b/m4/wcwidth.m4 @@ -1,5 +1,5 @@ -# wcwidth.m4 serial 20 -dnl Copyright (C) 2006-2011 Free Software Foundation, Inc. +# wcwidth.m4 serial 23 +dnl Copyright (C) 2006-2013 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, dnl with or without modifications, as long as this notice is preserved. @@ -18,7 +18,7 @@ AC_DEFUN([gl_FUNC_WCWIDTH], AC_CHECK_HEADERS_ONCE([wchar.h]) AC_CHECK_FUNCS_ONCE([wcwidth]) - AC_CHECK_DECLS([wcwidth], [], [], [ + AC_CHECK_DECLS([wcwidth], [], [], [[ /* AIX 3.2.5 declares wcwidth in <string.h>. */ #include <string.h> /* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before @@ -29,14 +29,15 @@ AC_DEFUN([gl_FUNC_WCWIDTH], #include <stdio.h> #include <time.h> #include <wchar.h> -]) +]]) if test $ac_cv_have_decl_wcwidth != yes; then HAVE_DECL_WCWIDTH=0 fi if test $ac_cv_func_wcwidth = yes; then HAVE_WCWIDTH=1 - dnl On MacOS X 10.3, wcwidth(0x0301) (COMBINING ACUTE ACCENT) returns 1. + dnl On Mac OS X 10.3, wcwidth(0x0301) (COMBINING ACUTE ACCENT) returns 1. + dnl On OpenBSD 5.0, wcwidth(0x05B0) (HEBREW POINT SHEVA) returns 1. dnl On OSF/1 5.1, wcwidth(0x200B) (ZERO WIDTH SPACE) returns 1. dnl This leads to bugs in 'ls' (coreutils). AC_CACHE_CHECK([whether wcwidth works reasonably in UTF-8 locales], @@ -69,8 +70,10 @@ int main () { if (wcwidth (0x0301) > 0) result |= 1; - if (wcwidth (0x200B) > 0) + if (wcwidth (0x05B0) > 0) result |= 2; + if (wcwidth (0x200B) > 0) + result |= 4; } return result; }]])], |