diff options
Diffstat (limited to 'm4/getusershell.m4')
| -rw-r--r-- | m4/getusershell.m4 | 24 |
1 files changed, 21 insertions, 3 deletions
diff --git a/m4/getusershell.m4 b/m4/getusershell.m4 index de602d3..98cf70b 100644 --- a/m4/getusershell.m4 +++ b/m4/getusershell.m4 @@ -1,10 +1,28 @@ -# getusershell.m4 serial 4 -dnl Copyright (C) 2002, 2003, 2006 Free Software Foundation, Inc. +# getusershell.m4 serial 7 +dnl Copyright (C) 2002-2003, 2006, 2008-2016 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_GETUSERSHELL], [ - AC_REPLACE_FUNCS(getusershell) + AC_REQUIRE([gl_UNISTD_H_DEFAULTS]) + + dnl Persuade glibc <unistd.h> to declare {get,set,end}usershell(). + AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS]) + + dnl Check whether the getusershell function exists. + AC_CHECK_FUNCS_ONCE([getusershell]) + if test $ac_cv_func_getusershell = yes; then + HAVE_GETUSERSHELL=1 + dnl Check whether getusershell is declared. + AC_CHECK_DECLS([getusershell]) + if test $ac_cv_have_decl_getusershell = no; then + HAVE_DECL_GETUSERSHELL=0 + fi + else + HAVE_GETUSERSHELL=0 + dnl Assume that on platforms which declare it, the function exists. + HAVE_DECL_GETUSERSHELL=0 + fi ]) |