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* tests/local.at (AC_STATE_SAVE): Avoid ls -1, and use one less process by hoisting the uniqueness check into sed. * doc/autoconf.texi (Limitations of Usual Tools) <ls>: Mention MacOS bug. Signed-off-by: Eric Blake <ebb9@byu.net>
529 lines
16 KiB
Plaintext
529 lines
16 KiB
Plaintext
# M4 macros used in building Autoconf test suites. -*- Autotest -*-
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# Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008
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# Free Software Foundation, Inc.
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2, or (at your option)
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# any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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# 02110-1301, USA.
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m4_version_prereq([2.57])
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# Used in many tests.
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m4_pattern_allow([^AS_EXIT$])
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m4_pattern_allow([^m4_(define|shift)$])
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# Programs this package provides
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AT_TESTED([autom4te autoconf autoheader autoupdate autoreconf ifnames])
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## ---------------- ##
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## Utility macros. ##
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## ---------------- ##
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# AT_CMP(FILE-1, FILE-2)
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# ----------------------
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# Check FILE-1 and FILE-2 for equality, like `cmp FILE-1 FILE-2'.
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m4_define([AT_CMP],
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[m4_ifval([$2],, [m4_fatal([AT_CMP takes two arguments.])])[]dnl
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AT_CHECK([$at_diff "$1" "$2"])
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])# AT_CMP
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## ---------------- ##
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## Testing syntax. ##
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## ---------------- ##
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# AT_CHECK_SHELL_SYNTAX(PROGRAM)
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# ------------------------------
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# If the shell handles `-n' well, use it to check the syntax of PROGRAM;
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# otherwise, do nothing.
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m4_define([AT_CHECK_SHELL_SYNTAX],
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[AS_IF([test "$ac_cv_sh_n_works" = yes],
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[AT_CHECK([/bin/sh -n $1])])])
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m4_define([AT_CHECK_PERL_SYNTAX],
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[AT_CHECK([autom4te_perllibdir=$abs_top_srcdir/lib $PERL -c "$abs_top_builddir"/bin/$1],
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0, [], [ignore])])
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## ------------------ ##
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## Testing autom4te. ##
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## ------------------ ##
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# AT_CHECK_M4(COMMAND, [EXIT-STATUS = 0], STDOUT, STDERR)
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# -------------------------------------------------------
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# If stderr is specified, normalize the observed stderr.
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# This (using GNU M4 1.4.6)
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#
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# /usr/local/bin/m4:script.4s:1: cannot open `foo': No such file or directory
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# autom4te: /usr/local/bin/m4 failed with exit status: 1
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#
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# or this (GNU M4 1.4.11)
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#
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# /usr/local/bin/m4:script.4s:1: include: cannot open `foo': No such file or directory
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# autom4te: /usr/local/bin/m4 failed with exit status: 1
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#
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# or this (GNU M4 1.4 installed as gm4)
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#
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# script.4s:1: /usr/local/bin/gm4: Cannot open foo: No such file or directory
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# autom4te: /usr/local/bin/gm4 failed with exit status: 1
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#
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# becomes
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#
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# m4:script.4s:1: cannot open `foo': No such file or directory
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# autom4te: m4 failed with exit status: 1
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#
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# We use the following sed patterns:
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#
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# (m4): ?(file): ?(line):
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# or (file): ?(line): ?(m4):
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# to m4:(file):(line):
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#
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# and
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# m4:(file):(line): Cannot open foo:
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# or m4:(file):(line): include: cannot open `foo':
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# to m4:(file):(line): cannot open `foo':
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#
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# and
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# autom4te: [^ ]m4
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# or autom4te: [^ ]m4.exe
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# to autom4te: m4
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#
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# Moreover, DJGPP error messages include the error code in brackets;
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# remove the error code during normalization.
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#
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m4_define([AT_CHECK_M4],
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[AT_CHECK([$1], [$2], [$3],
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m4_case([$4], [], [], [ignore], [ignore], [stderr]))
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m4_case([$4], [], [], [ignore], [],
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[AT_CHECK([[sed 's/^[^:]*m4[.ex]*: *\([^:]*:\) *\([0-9][0-9]*: \)/m4:\1\2/
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s/^\([^:]*:\) *\([0-9][0-9]*:\)[^:]*m4[.ex]*: /m4:\1\2 /
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s/: C\(annot open \)\([^`:]*\):/: c\1`\2'\'':/
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s/: include:\( cannot open\)/:\1/
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s/^autom4te: [^ ]*m4[.ex]* /autom4te: m4 /
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s/ (E[A-Z]*)$//
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' stderr >&2]], [0], [], [$4])])
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])
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# AT_CHECK_AUTOM4TE(FLAGS, [EXIT-STATUS = 0], STDOUT, STDERR)
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# -----------------------------------------------------------
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m4_define([AT_CHECK_AUTOM4TE],
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[AT_CHECK_M4([autom4te $1], [$2], [$3], [$4])])
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## ----------------- ##
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## Testing M4sugar. ##
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## ----------------- ##
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# AT_DATA_M4SUGAR(FILE-NAME, CONTENTS)
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# ------------------------------------
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# Escape the invalid tokens with @&t@.
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m4_define([AT_DATA_M4SUGAR],
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[AT_DATA([$1],
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[m4_bpatsubst([$2], [\(@.\)\(.@\)\|\(m4\)\(_\)\|\(d\)\(nl\)],
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[\1\3\5@&t@\2\4\6])])])
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# AT_CHECK_M4SUGAR(FLAGS, [EXIT-STATUS = 0], STDOUT, STDERR)
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# ----------------------------------------------------------
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m4_define([AT_CHECK_M4SUGAR],
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[AT_KEYWORDS([m4sugar])
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AT_CHECK_AUTOM4TE([--language=m4sugar script.4s -o script $1],
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[$2], [$3], [$4])])
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## -------------- ##
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## Testing M4sh. ##
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## -------------- ##
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# AT_DATA_M4SH(FILE-NAME, CONTENTS)
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# ---------------------------------
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# Escape the invalid tokens with @&t@.
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m4_define([AT_DATA_M4SH],
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[AT_DATA([$1],
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[m4_bpatsubst([$2], [\(@.\)\(.@\)\|\(m4\|AS\)\(_\)\|\(d\)\(nl\)],
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[\1\3\5@&t@\2\4\6])])])
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# AT_CHECK_M4SH(FLAGS, [EXIT-STATUS = 0], STDOUT, STDERR)
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# -------------------------------------------------------
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m4_define([AT_CHECK_M4SH],
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[AT_CHECK_AUTOM4TE([--language=m4sh script.as -o script $1],
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[$2], [$3], [$4])])
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## ------------------ ##
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## Testing Autoconf. ##
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## ------------------ ##
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# AT_DATA_AUTOCONF(FILE-NAME, CONTENTS)
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# -------------------------------------
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# Escape the invalid tokens with @&t@.
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m4_define([AT_DATA_AUTOCONF],
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[AT_DATA([$1],
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[m4_bpatsubst([$2], [\(@.\)\(.@\)\|\(m4\|AS\|AC\)\(_\)\|\(d\)\(nl\)],
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[\1\3\5@&t@\2\4\6])])])
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# AT_CONFIGURE_AC(BODY)
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# ---------------------
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# Create a full configure.ac running BODY, with a config header set up,
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# AC_OUTPUT, and environment checking hooks.
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m4_define([AT_CONFIGURE_AC],
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[AT_DATA_AUTOCONF([aclocal.m4],
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[[
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# AC_STATE_SAVE(FILE)
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# -------------------
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# Save the shell variables and directory listing. AT_CHECK_ENV uses these to
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# confirm that no test modifies variables outside the Autoconf namespace or
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# leaves temporary files. AT_CONFIG_CMP uses the variable dumps to confirm that
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# tests have the same side effects regardless of caching.
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#
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# The sed script duplicates uniq functionality (thanks to 'info sed
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# uniq' for the recipe), in order to avoid a MacOS 10.5 bug where
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# readdir can list a file multiple times in a rapidly changing
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# directory, while avoiding yet another fork.
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m4_defun([AC_STATE_SAVE],
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[(set) 2>&1 | sort >state-env.$][1
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ls | sed '/^at-/d;/^state-/d;/^config\./d
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h
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:b
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$b
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N
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/^\(.*\)\n\1$/ {
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g
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bb
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}
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$b
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P
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D' >state-ls.$][1
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])# AC_STATE_SAVE
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]])
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AT_DATA([configure.ac],
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[[AC_INIT
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AC_CONFIG_HEADERS(config.h:config.hin)
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AC_STATE_SAVE(before)]
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$1
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[AC_OUTPUT
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AC_STATE_SAVE(after)
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]])
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cp "$abs_top_srcdir/build-aux/install-sh" \
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"$abs_top_srcdir/build-aux/config.guess" \
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"$abs_top_srcdir/build-aux/config.sub" .
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])# AT_CONFIGURE_AC
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# AT_CHECK_AUTOCONF(ARGS, [EXIT-STATUS = 0], STDOUT, STDERR)
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# ----------------------------------------------------------
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# We always use "--force", to prevent problems with timestamps if the testsuite
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# were running too fast.
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m4_define([AT_CHECK_AUTOCONF],
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[AT_CHECK_M4([autoconf --force $1], [$2], [$3], [$4])
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if test -s configure; then
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AT_CHECK_SHELL_SYNTAX(configure)
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fi
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])
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# AT_CHECK_AUTOHEADER(ARGS, [EXIT-STATUS = 0], STDOUT, STDERR)
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# ------------------------------------------------------------
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m4_define([AT_CHECK_AUTOHEADER],
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[AT_CHECK([autoheader $1], [$2], [$3], [$4])
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])
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# AT_CHECK_CONFIGURE(END-COMMAND,
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# [EXIT-STATUS = 0],
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# [STDOUT = IGNORE], STDERR)
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# --------------------------------------------
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# `abs_top_srcdir' is needed so that `./configure' finds install-sh.
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# Using --srcdir is more expensive.
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m4_define([AT_CHECK_CONFIGURE],
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[AT_CAPTURE_FILE([config.log])[]dnl
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AT_CHECK([./configure $1],
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[$2],
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m4_default([$3], [ignore]), [$4])])
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# AT_CHECK_ENV
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# ------------
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# Check that the full configure run remained in its variable name space,
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# and cleaned up tmp files.
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#
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# Perhaps grep -E is not supported, or perhaps it chokes on such a big regex.
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# In this case just don't pay attention to the env. It would be great
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# to keep the error message but we can't: that would break AT_CHECK.
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#
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# Some tests might exit prematurely when they find a problem, in
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# which case `env-after' is probably missing. Don't check it then.
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#
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# Here are the variables `configure' may modify during execution:
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# - ^as_
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# M4sh's shell name space.
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# - ^ac_
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# Autoconf's shell name space.
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# - prefix and exec_prefix
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# are kept undefined (NONE) until AC_OUTPUT which then sets them to
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# `/usr/local' and `${prefix}' for make.
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# - (host|build|target)(_(alias|cpu|vendor|os))?
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# Set by AC_CANONICAL_(HOST|BUILD|TARGET).
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# - cross_compiling
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# Set by AC_INIT.
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# - interpval
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# Set by AC_SYS_INTERPRETER.
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# - CONFIG_STATUS and DEFS
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# Set by AC_OUTPUT.
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# - AC_SUBST'ed variables
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# (FIXME: Generate a list of these automatically.)
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# - _|@|.[*#?$].|LINENO|OLDPWD|PIPESTATUS|RANDOM|SECONDS
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# Some variables some shells use and change.
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# `.[*#?$].' catches `$#' etc. which are displayed like this:
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# | '!'=18186
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# | '#'=0
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# | '$'=6908
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#
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m4_define([AT_CHECK_ENV],
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[# Compare directory listings.
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test -f state-ls.before ||
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AS_ERROR([state-ls.before not present])
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test -f state-ls.after && { AT_CMP([state-ls.before], [state-ls.after]) }
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# Compare variable space dumps.
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if test -f state-env.before && test -f state-env.after; then
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for act_file in state-env.before state-env.after
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do
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$EGREP -v '^(m4_join([|],
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[a[cs]_.*],
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[(exec_)?prefix|DEFS|CONFIG_STATUS],
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[CC|CFLAGS|CPP|GCC|CXX|CXXFLAGS|CXXCPP|GXX|F77|FFLAGS|FLIBS|G77],
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[ERL|ERLC|ERLCFLAGS|ERLANG_PATH_ERL|ERLANG_ROOT_DIR|ERLANG_LIB_DIR],
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[ERLANG_INSTALL_LIB_DIR|OBJC|OBJCPP|OBJCFLAGS],
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[OPENMP_CFLAGS],
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[LIBS|LIB@&t@OBJS|LTLIBOBJS|LDFLAGS],
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[INSTALL(_(DATA|PROGRAM|SCRIPT))?],
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[CYGWIN|ISC|MINGW32|MINIX|EMXOS2|XENIX|EXEEXT|OBJEXT],
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[X_(CFLAGS|(EXTRA_|PRE_)?LIBS)|x_(includes|libraries)|(have|no)_x],
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[(host|build|target)(_(alias|cpu|vendor|os))?],
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[cross_compiling],
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[interpval|PATH_SEPARATOR],
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[F77_DUMMY_MAIN|f77_(case|underscore)],
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[FC(_DUMMY_MAIN|FLAGS|LIBS|FLAGS_f)?],
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[ALLOCA|GETLOADAVG_LIBS|KMEM_GROUP|NEED_SETGID|POW_LIB],
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[AWK|LEX|LEXLIB|LEX_OUTPUT_ROOT|LN_S|M4|MKDIR_P|RANLIB|SET_MAKE|YACC],
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[GREP|[EF]GREP|SED],
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[[_@]|.[*#?$].|LINENO|OLDPWD|PIPESTATUS|RANDOM|SECONDS]))=' \
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$act_file 2>/dev/null |
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# There may be variables spread on several lines; remove latter lines.
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$GREP '^m4_defn([m4_re_word])=' >clean-$act_file
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done
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AT_CMP([clean-state-env.before], [clean-state-env.after])
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fi
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])
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# AT_CONFIG_CMP(VAR-FILE-A, VAR-FILE-B)
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# -------------------------------------
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# Check the outcomes of two configure runs for equality by comparing dumps of
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# their shell variables. VAR-FILE-A and VAR-FILE-B are two `set'-style shell
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# variable space dumps.
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#
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# We permit variance between runs in the following shell variables:
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# - ^as_
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# M4sh's shell name space.
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# - ^ac_, excluding ^ac_cv_
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# Autoconf's private shell name space.
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# - PPID [bash, zsh]
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# - RANDOM [zsh]
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# - SECONDS [zsh]
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# - '$' [zsh]
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#
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# Furthermore, it is okay for a non-cache variable initialized to empty in one
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# run to be unset in another run. This happens when, for example, cache update
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# code tries a number of values in LIBS and eventually restores LIBS to its
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# original value. If LIBS was previously unset, it will have become set and
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# empty. (OTOH, cache variables indicate the result of the test even if they
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# are empty, so we have to be strict about them.)
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#
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# Lines that do not look like `foo=bar' are probably latter lines of
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# multiline values; trim them.
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#
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m4_define([AT_CONFIG_CMP],
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[for act_file in $1 $2
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do
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$SED '/^ac_cv_/ b
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/^m4_defn([m4_re_word])=./ !d
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/^[[^=]]*='\'''\''$/ d
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/^a[[cs]]_/ d
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/^PPID=/ d
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/^RANDOM=/ d
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/^SECONDS=/ d
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/'\'\\\$\''=/ d
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' $act_file >at_config_vars-$act_file
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done
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AT_CMP([at_config_vars-$1], [at_config_vars-$2])[]dnl
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])# AT_CONFIG_CMP
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# AT_CHECK_DEFINES(CONTENT)
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# -------------------------
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# Verify that config.h, once stripped, is CONTENT.
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# Stripping consists of keeping CPP lines (i.e. containing a hash),
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# but those of automatically checked features (STDC_HEADERS etc.)
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# and symbols (PACKAGE_...).
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# AT_CHECK_HEADER is a better name, but too close from AC_CHECK_HEADER.
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m4_define([AT_CHECK_DEFINES],
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[AT_CHECK([[sed '/#/!d
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/INTTYPES/d
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/MEMORY/d
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/PACKAGE_/d
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/STDC_HEADERS/d
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/STDINT/d
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/STDLIB/d
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/STRING/d
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/SYS_STAT/d
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/SYS_TYPES/d
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/UNISTD/d' config.h]],,
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[$1])])
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# AT_CHECK_AUTOUPDATE
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# -------------------
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m4_define([AT_CHECK_AUTOUPDATE],
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[AT_CHECK([autoupdate $1], [$2], [$3], [$4])
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])
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# _AT_CHECK_AC_MACRO(AC-BODY, PRE-TESTS)
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# --------------------------------------
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# Create a minimalist configure.ac running the macro named
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# NAME-OF-THE-MACRO, check that autoconf runs on that script,
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# and that the shell runs correctly the configure.
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m4_define([_AT_CHECK_AC_MACRO],
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[AT_CONFIGURE_AC([$1])
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$2
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AT_CHECK_AUTOCONF
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AT_CHECK_AUTOHEADER
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AT_CHECK_CONFIGURE
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AT_CHECK_ENV
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])# _AT_CHECK_AC_MACRO
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# AT_CHECK_MACRO(MACRO, [MACRO-USE], [ADDITIONAL-CMDS],
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# [AUTOCONF-FLAGS = -W obsolete])
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# -----------------------------------------------------
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# Create a minimalist configure.ac running the macro named
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# NAME-OF-THE-MACRO, check that autoconf runs on that script,
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# and that the shell runs correctly the configure.
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#
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# We run `configure' twice, both times with a cache, and compare
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# the environment after each run to detect inconsistencies.
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#
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# New macros are not expected to depend upon obsolete macros.
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m4_define([AT_CHECK_MACRO],
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[AT_SETUP([$1])
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AT_CONFIGURE_AC([m4_default([$2], [$1])])
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AT_CHECK_AUTOCONF([m4_default([$4], [-W obsolete])])
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AT_CHECK_AUTOHEADER
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for at_run in r1 r2
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do
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AT_CHECK_CONFIGURE([-C])
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cp -f state-env.after state-env.$at_run
|
|
cp -f config.h config-h.$at_run
|
|
AT_CHECK_ENV
|
|
done
|
|
|
|
AT_CMP([config-h.r1], [config-h.r2])
|
|
AT_CONFIG_CMP([state-env.r1], [state-env.r2])
|
|
|
|
$3
|
|
|
|
AT_CLEANUP[]dnl
|
|
])# AT_CHECK_MACRO
|
|
|
|
|
|
# AT_CHECK_MACRO_CROSS(MACRO, [MACRO-USE], [ADDITIONAL-CMDS],
|
|
# [AUTOCONF-FLAGS = -W obsolete])
|
|
# -----------------------------------------------------------
|
|
# Like the previous one, but creates two checks: for native
|
|
# compile and for cross-compile.
|
|
m4_define([AT_CHECK_MACRO_CROSS],
|
|
[AT_CHECK_MACRO($@)
|
|
AT_CHECK_MACRO([$1 (cross compile)],
|
|
[AT_KEYWORDS([cross])
|
|
# Exercise the code used when cross-compiling.
|
|
cross_compiling=yes
|
|
ac_tool_warned=yes
|
|
m4_default([$2], [$1])],
|
|
[$3], [$4])
|
|
])
|
|
|
|
|
|
# AT_CHECK_AU_MACRO(MACRO)
|
|
# ------------------------
|
|
# Create a minimalist configure.ac running the macro named
|
|
# NAME-OF-THE-MACRO, autoupdate this script, check that autoconf runs
|
|
# on that script, and that the shell runs correctly the configure.
|
|
#
|
|
# Updated configure.ac shall not depend upon obsolete macros, which votes
|
|
# in favor of `-W obsolete', but since many of these macros leave a message
|
|
# to be removed by the user once her code is adjusted, let's not check.
|
|
#
|
|
# Remove config.hin to avoid `autoheader: config.hin is unchanged'.
|
|
m4_define([AT_CHECK_AU_MACRO],
|
|
[AT_SETUP([$1])
|
|
AT_KEYWORDS([autoupdate])
|
|
|
|
AT_CONFIGURE_AC([$1])
|
|
|
|
AT_CHECK_AUTOCONF
|
|
AT_CHECK_AUTOHEADER
|
|
AT_CHECK_CONFIGURE
|
|
AT_CHECK_ENV
|
|
|
|
rm config.hin
|
|
AT_CHECK_AUTOUPDATE([], 0, [], ignore)
|
|
AT_CHECK([grep '^$1$' configure.ac], 1)
|
|
|
|
AT_CHECK_AUTOCONF
|
|
AT_CHECK_AUTOHEADER
|
|
AT_CHECK_CONFIGURE
|
|
AT_CHECK_ENV
|
|
|
|
AT_CLEANUP[]dnl
|
|
])# AT_CHECK_AU_MACRO
|
|
|
|
|
|
|
|
## ----------------------- ##
|
|
## Launch the test suite. ##
|
|
## ----------------------- ##
|
|
|
|
AT_INIT
|
|
AT_COPYRIGHT(
|
|
[Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008
|
|
Free Software Foundation, Inc.
|
|
This is free software; see the source for copying conditions. There is NO
|
|
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.])
|