1 files changed, 0 insertions, 60 deletions
diff --git a/build-aux/m4/m4-syscmd.m4 b/build-aux/m4/m4-syscmd.m4
deleted file mode 100644
index 2b4beb56..00000000
--- a/build-aux/m4/m4-syscmd.m4
+++ /dev/null
@@ -1,60 +0,0 @@
-#                                                            -*- Autoconf -*-
-# m4-syscmd.m4 -- Allow choice of syscmd shell.
-# Written by Eric Blake <ebb9@byu.net>
-#
-# Copyright (C) 2009-2010, 2013-2014, 2017 Free Software Foundation,
-# Inc.
-#
-# This file is part of GNU M4.
-#
-# GNU M4 is free software: you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation, either version 3 of the License, or
-# (at your option) any later version.
-#
-# GNU M4 is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program.  If not, see <http://www.gnu.org/licenses/>.
-
-# serial 1
-
-# M4_SYSCMD
-# ---------
-# Allow user to choose different shell than /bin/sh for e?syscmd.
-AC_DEFUN([M4_SYSCMD],
-[AC_MSG_CHECKING([[which shell to use for syscmd]])
-AC_ARG_WITH([syscmd-shell],
-  [AS_HELP_STRING([--with-syscmd-shell], [shell used by syscmd [/bin/sh]])],
-  [case $withval in
-    yes[)] with_syscmd_shell=no;;
-   esac], [with_syscmd_shell=no])
-if test "$with_syscmd_shell" = no ; then
-  with_syscmd_shell=/bin/sh
-  if test "$cross_compiling" != yes ; then
-dnl Give mingw a default that is more likely to be available.
-    AS_IF([AS_EXECUTABLE_P([/bin/sh$EXEEXT])], [],
-      [if (cmd /c) 2>/dev/null; then with_syscmd_shell=cmd; fi])
-dnl Too bad _AS_PATH_WALK is not public.
-    M4_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-    for M4_dir in `if (command -p getconf PATH) 2>/dev/null ; then
- command -p getconf PATH
-      else
- echo "/bin$PATH_SEPARATOR$PATH"
-      fi`
-    do
-      IFS=$M4_save_IFS
-      test -z "$M4_dir" && continue
-      AS_EXECUTABLE_P(["$M4_dir/sh"]) \
- && { with_syscmd_shell=$M4_dir/sh; break; }
-    done
-    IFS=$M4_save_IFS
-  fi
-fi
-AC_MSG_RESULT([$with_syscmd_shell])
-AC_DEFINE_UNQUOTED([M4_SYSCMD_SHELL], ["$with_syscmd_shell"],
-  [Shell used by syscmd and esyscmd, must accept -c argument.])
-])