1 # isblank.m4 serial 3 2 dnl Copyright (C) 2009-2022 Free Software Foundation, Inc. 3 dnl This file is free software; the Free Software Foundation 4 dnl gives unlimited permission to copy and/or distribute it, 5 dnl with or without modifications, as long as this notice is preserved. 6 7 AC_DEFUN([gl_FUNC_ISBLANK], 8 [ 9 dnl Persuade glibc <ctype.h> to declare isblank(). 10 AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS]) 11 12 AC_REQUIRE([gl_CTYPE_H_DEFAULTS]) 13 AC_CHECK_FUNCS_ONCE([isblank]) 14 if test $ac_cv_func_isblank = no; then 15 HAVE_ISBLANK=0 16 fi 17 ]) 18
Indexes created Thu Apr 30 00:23:01 UTC 2026