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Diffstat (limited to 'm4/jm-winsz2.m4')
| -rw-r--r-- | m4/jm-winsz2.m4 | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/m4/jm-winsz2.m4 b/m4/jm-winsz2.m4 new file mode 100644 index 0000000..0d3ee79 --- /dev/null +++ b/m4/jm-winsz2.m4 @@ -0,0 +1,29 @@ +# serial 8 + +# Copyright (C) 1996, 1999, 2001, 2004, 2009-2020 Free Software Foundation, +# Inc. +# This file is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_HEADER_TIOCGWINSZ_NEEDS_SYS_IOCTL], +[AC_REQUIRE([gl_HEADER_TIOCGWINSZ_IN_TERMIOS_H]) + AC_CACHE_CHECK([whether use of TIOCGWINSZ requires sys/ioctl.h], + [gl_cv_sys_tiocgwinsz_needs_sys_ioctl_h], + [gl_cv_sys_tiocgwinsz_needs_sys_ioctl_h=no + + if test $gl_cv_sys_tiocgwinsz_needs_termios_h = no; then + AC_EGREP_CPP([yes], + [#include <sys/types.h> +# include <sys/ioctl.h> +# ifdef TIOCGWINSZ + yes +# endif + ], [gl_cv_sys_tiocgwinsz_needs_sys_ioctl_h=yes]) + fi + ]) + if test $gl_cv_sys_tiocgwinsz_needs_sys_ioctl_h = yes; then + AC_DEFINE([GWINSZ_IN_SYS_IOCTL], [1], + [Define if your system defines TIOCGWINSZ in sys/ioctl.h.]) + fi +]) |