diff options
Diffstat (limited to 'Build/source/extra/xz/m4/posix-shell.m4')
-rw-r--r-- | Build/source/extra/xz/m4/posix-shell.m4 | 63 |
1 files changed, 0 insertions, 63 deletions
diff --git a/Build/source/extra/xz/m4/posix-shell.m4 b/Build/source/extra/xz/m4/posix-shell.m4 deleted file mode 100644 index 4c56193c157..00000000000 --- a/Build/source/extra/xz/m4/posix-shell.m4 +++ /dev/null @@ -1,63 +0,0 @@ -# Find a POSIX-conforming shell. - -# Copyright (C) 2007-2008 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. - -# Written by Paul Eggert. - -# If a POSIX-conforming shell can be found, set POSIX_SHELL and -# PREFERABLY_POSIX_SHELL to it. If not, set POSIX_SHELL to the -# empty string and PREFERABLY_POSIX_SHELL to '/bin/sh'. - -AC_DEFUN([gl_POSIX_SHELL], -[ - AC_CACHE_CHECK([for a shell that conforms to POSIX], [gl_cv_posix_shell], - [gl_test_posix_shell_script=' - func_return () { - (exit [$]1) - } - func_success () { - func_return 0 - } - func_failure () { - func_return 1 - } - func_ret_success () { - return 0 - } - func_ret_failure () { - return 1 - } - subshell_umask_sanity () { - (umask 22; (umask 0); test $(umask) -eq 22) - } - test "[$](echo foo)" = foo && - func_success && - ! func_failure && - func_ret_success && - ! func_ret_failure && - (set x && func_ret_success y && test x = "[$]1") && - subshell_umask_sanity - ' - for gl_cv_posix_shell in \ - "$CONFIG_SHELL" "$SHELL" /bin/sh /bin/bash /bin/ksh /bin/sh5 no; do - case $gl_cv_posix_shell in - /*) - "$gl_cv_posix_shell" -c "$gl_test_posix_shell_script" 2>/dev/null \ - && break;; - esac - done]) - - if test "$gl_cv_posix_shell" != no; then - POSIX_SHELL=$gl_cv_posix_shell - PREFERABLY_POSIX_SHELL=$POSIX_SHELL - else - POSIX_SHELL= - PREFERABLY_POSIX_SHELL=/bin/sh - fi - AC_SUBST([POSIX_SHELL]) - AC_SUBST([PREFERABLY_POSIX_SHELL]) -]) |