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Diffstat (limited to 'm4/wcwidth.m4')
| -rw-r--r-- | m4/wcwidth.m4 | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/m4/wcwidth.m4 b/m4/wcwidth.m4 new file mode 100644 index 0000000..09cf55a --- /dev/null +++ b/m4/wcwidth.m4 @@ -0,0 +1,26 @@ +# wcwidth.m4 serial 3 +dnl Copyright (C) 2006 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. + +AC_DEFUN([gl_FUNC_WCWIDTH], +[ + dnl Persuade glibc <wchar.h> to declare wcwidth(). + AC_REQUIRE([AC_GNU_SOURCE]) + + AC_REQUIRE([AC_C_INLINE]) + AC_REQUIRE([gt_TYPE_WCHAR_T]) + + AC_CHECK_HEADERS_ONCE([wchar.h wctype.h]) + AC_CHECK_FUNCS_ONCE([iswprint wcwidth]) + + AC_CHECK_DECLS([wcwidth], [], [], [ +/* AIX 3.2.5 declares wcwidth in <string.h>. */ +#if HAVE_STRING_H +# include <string.h> +#endif +#if HAVE_WCHAR_H +# include <wchar.h> +#endif +])]) |