diff options
Diffstat (limited to 'm4')
| -rw-r--r-- | m4/ax_ptrdiff_aliases_int.m4 | 18 | ||||
| -rw-r--r-- | m4/ax_with_ncurses.m4 | 6 |
2 files changed, 21 insertions, 3 deletions
diff --git a/m4/ax_ptrdiff_aliases_int.m4 b/m4/ax_ptrdiff_aliases_int.m4 new file mode 100644 index 0000000..32e1712 --- /dev/null +++ b/m4/ax_ptrdiff_aliases_int.m4 @@ -0,0 +1,18 @@ + +AC_DEFUN([AX_PTRDIFF_ALIASES_INT], [ + AC_CACHE_CHECK([whether ptrdiff_t* aliases int*], [ax_cv_ptrdiff_aliases_int], [ + AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ + @%:@include <stddef.h> + @%:@include <assert.h> + ]], [[ + ptrdiff_t x = 23; + _Static_assert(_Generic(&x, int* : 1, default : 0), + "ptrdiff_t* does not alias int*"); + ]])], + [ax_cv_ptrdiff_aliases_int=yes], + [ax_cv_ptrdiff_aliases_int=no]) + ]) + AS_IF([test "x$ax_cv_ptrdiff_aliases_int" = "xyes"], [ + AC_DEFINE([PTRDIFF_ALIASES_INT], [1], [Whether ptrdiff_t* aliases int*]) + ]) +])dnl diff --git a/m4/ax_with_ncurses.m4 b/m4/ax_with_ncurses.m4 index 9e8076f..cdcfd04 100644 --- a/m4/ax_with_ncurses.m4 +++ b/m4/ax_with_ncurses.m4 @@ -5,8 +5,8 @@ # DESCRIPTION # # This macro checks for an ncurses library with enhanced definitions -# providing a curses.h either in the default search path or as -# established by pkg-config. +# (including wide-char support) providing a curses.h either in the default +# search path or as established by pkg-config. # # It is based on the AX_WITH_CURSES macro but does not attempt # to find any non-standard header, which would require #ifdefing @@ -75,7 +75,7 @@ # Copyright (c) 2009 Damian Pietras <daper@daper.net> # Copyright (c) 2012 Reuben Thomas <rrt@sc3d.org> # Copyright (c) 2011 John Zaitseff <J.Zaitseff@zap.org.au> -# Copyright (c) 2025 Robin Haberkorn <rhaberkorn@fmsbw.de> +# Copyright (c) 2025-2026 Robin Haberkorn <rhaberkorn@fmsbw.de> # # This program is free software: you can redistribute it and/or modify it # under the terms of the GNU General Public License as published by the |