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* build-aux/mktempd (rand_bytes, mktempd): * build-aux/useless-if-before-free (FILE): * build-aux/vc-list-files: * gnulib/lib/.cvsignore: * gnulib/lib/Makefile.am: * gnulib/lib/poll.c (poll): * gnulib/lib/stdbool.in.h (_GL_STDBOOL_H, true): * gnulib/lib/stdio-impl.h (fp_, fp_ub): * gnulib/lib/stdio.in.h (vasprintf, obstack_printf) (obstack_vprintf): * gnulib/lib/vasnprintf.c (_GNU_SOURCE, sprintf, IF_LINT, exp) (remainder, scale10_round_decimal_long_double) (scale10_round_decimal_double, pad_ourselves): * gnulib/m4/gnulib-cache.m4: * gnulib/m4/gnulib-common.m4 (gl_MODULE_INDICATOR): * gnulib/m4/gnulib-tool.m4 (gl_LOCAL_DIR, gl_M4_BASE, gl_PO_BASE) (gl_DOC_BASE, gl_TESTS_BASE, gl_WITH_TESTS, gl_LIB, gl_LGPL) (gl_MAKEFILE_NAME, gl_MACRO_PREFIX, gl_PO_DOMAIN, gl_VC_FILES): * gnulib/m4/lock.m4 (gl_LOCK_EARLY_BODY, gl_PREREQ_LOCK) (gl_DISABLE_THREADS): * gnulib/m4/onceonly.m4: * gnulib/m4/posix-shell.m4 (gl_POSIX_SHELL): * gnulib/m4/stdio_h.m4 (gl_STDIO_H_DEFAULTS): * gnulib/tests/test-getaddrinfo.c (ENABLE_DEBUGGING, dbgprintf) (simple): * gnulib/tests/test-stdint.c (UINTMAX_MAX, or): * gnulib/tests/test-vc-list-files-cvs.sh (compare): * gnulib/tests/test-vc-list-files-git.sh (compare):
60 lines
1.6 KiB
Plaintext
60 lines
1.6 KiB
Plaintext
# Find a POSIX-conforming shell.
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# Copyright (C) 2007-2008 Free Software Foundation, Inc.
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# This file is free software; the Free Software Foundation
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# gives unlimited permission to copy and/or distribute it,
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# with or without modifications, as long as this notice is preserved.
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# Written by Paul Eggert.
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# If a POSIX-conforming shell can be found, set POSIX_SHELL and
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# PREFERABLY_POSIX_SHELL to it. If not, set POSIX_SHELL to the
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# empty string and PREFERABLY_POSIX_SHELL to '/bin/sh'.
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AC_DEFUN([gl_POSIX_SHELL],
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[
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AC_CACHE_CHECK([for a shell that conforms to POSIX], [gl_cv_posix_shell],
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[gl_test_posix_shell_script='
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func_return () {
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(exit [$]1)
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}
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func_success () {
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func_return 0
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}
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func_failure () {
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func_return 1
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}
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func_ret_success () {
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return 0
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}
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func_ret_failure () {
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return 1
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}
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test "[$](echo foo)" = foo &&
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func_success &&
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! func_failure &&
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func_ret_success &&
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! func_ret_failure &&
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(set x && func_ret_success y && test x = "[$]1")
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'
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for gl_cv_posix_shell in \
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"$CONFIG_SHELL" "$SHELL" /bin/sh /bin/bash /bin/ksh /bin/sh5 no; do
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case $gl_cv_posix_shell in
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/*)
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"$gl_cv_posix_shell" -c "$gl_test_posix_shell_script" 2>/dev/null \
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&& break;;
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esac
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done])
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if test "$gl_cv_posix_shell" != no; then
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POSIX_SHELL=$gl_cv_posix_shell
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PREFERABLY_POSIX_SHELL=$POSIX_SHELL
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else
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POSIX_SHELL=
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PREFERABLY_POSIX_SHELL=/bin/sh
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fi
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AC_SUBST([POSIX_SHELL])
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AC_SUBST([PREFERABLY_POSIX_SHELL])
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])
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