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314 lines
9.3 KiB
Plaintext
314 lines
9.3 KiB
Plaintext
# M4 macros used in building Autoconf test suites. -*- Autotest -*-
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# Copyright (C) 2000, 2001, 2002 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., 59 Temple Place - Suite 330, Boston, MA
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# 02111-1307, USA.
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## ----------------- ##
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## Testing M4sugar. ##
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## ----------------- ##
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# AT_DATA_M4SUGAR(FILENAME, 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_bpatsubsts([$2],
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[@&t@], [@&@&t@t@],
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[\(m4\)_], [\1@&t@_],
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[dnl], [d@&t@nl])])])
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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_CHECK([autom4te --language=m4sugar script.4s -o script $1],
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m4_default([$2], [0]), [$3], [$4])])
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## -------------- ##
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## Testing M4sh. ##
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## -------------- ##
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# AT_DATA_M4SH(FILENAME, 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_bpatsubsts([$2],
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[@&t@], [@&@&t@t@],
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[\(m4\|AS\)_], [\1@&t@_],
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[dnl], [d@&t@nl])])])
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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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m4_default([$2], [0]), [$3], [$4])])
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## ------------------ ##
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## Testing Autoconf. ##
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## ------------------ ##
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# AT_DATA_AUTOCONF(FILENAME, 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_bpatsubsts([$2],
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[@&t@], [@&@&t@t@],
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[\(m4\|AS\|AC\)_], [\1@&t@_],
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[dnl], [d@&t@nl])])])
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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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#
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# Here are the exceptions to AC_STATE_SAVE:
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#
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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 `${prefix}' for make.
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# - CONFIG_STATUS and DEFS
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# Set by AC_OUTPUT.
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# - F77_DUMMY_MAIN
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# Set by AC_F77_DUMMY_MAIN.
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# - ALLOCA|NEED_SETGID|KMEM_GROUP
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# AC_FUNCs from acspecific.
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# - AWK|LEX|LEXLIB|LEX_OUTPUT_ROOT|LN_S|M4|RANLIB|SET_MAKE|YACC
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# AC_PROGs from acspecific
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# - _|@|.[*#?].|LINENO|OLDPWD|PIPESTATUS|RANDOM|SECONDS
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# Some variables some shells use and change.
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# `.[*#?].' catches `$#' 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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# - POW_LIB
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# From acfunctions.m4.
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#
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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 environment, except for those variables we are allowed to touch.
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# This is to check no test touches the user name space.
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# FIXME: There are surely better ways. Explore for instance if
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# we can ask help from AC_SUBST. We have the right to touch what
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# is AC_SUBST'ed.
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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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m4_defun([AC_STATE_SAVE],
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[(set) 2>&1 |
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grep -E -v -e '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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[^(LIBS|LIB@&t@OBJS|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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[^(ALLOCA|GETLOADAVG_LIBS|KMEM_GROUP|NEED_SETGID|POW_LIB)=],
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[^(AWK|LEX|LEXLIB|LEX_OUTPUT_ROOT|LN_S|M4|RANLIB|SET_MAKE|YACC)=],
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[^(_|@|.[*#?].|LINENO|OLDPWD|PIPESTATUS|RANDOM|SECONDS)=])' 2>/dev/null |
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# There maybe variables spread on several lines, eg IFS, remove the dead
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# lines.
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grep '^m4_defn([m4_re_word])=' >state-env.$[@]&t@1
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test $? = 0 || rm -f state-env.$[@]&t@1
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ls -1 | sed '/^at-/d;/^state-/d;/^config\./d' | sort >state-ls.$[@]&t@1
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])# AC_STATE_SAVE
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]])
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AT_DATA([configure.ac],
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[[AC_INIT
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AC_CONFIG_AUX_DIR($top_srcdir/config)
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AC_CONFIG_HEADER(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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])# AT_CONFIGURE_AC
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# AT_CHECK_AUTOCONF(ARGS, [EXIT-STATUS = 0], STDOUT, STDERR)
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# ----------------------------------------------------------
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m4_define([AT_CHECK_AUTOCONF],
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[AT_CHECK([autoconf $1],
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[$2], [$3], [$4])])
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# AT_CHECK_AUTOHEADER(ARGS, [EXIT-STATUS = 0],
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# STDOUT, [STDERR = `autoheader: `config.hin' is created'])
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# -----------------------------------------------------------------------------
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m4_define([AT_CHECK_AUTOHEADER],
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[AT_CHECK([autoheader $1], [$2],
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[$3],
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m4_default([$4], [[autoheader: `config.hin' is created
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]]))])
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# AT_CHECK_CONFIGURE(END-COMMAND,
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# [EXIT-STATUS = 0],
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# [SDOUT = IGNORE], STDERR)
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# --------------------------------------------
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# `abs_top_srcdir' is needed so that `./configure' finds install-sh.
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# Using --srcdir is more expensive.
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m4_define([AT_CHECK_CONFIGURE],
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[AT_CHECK([top_srcdir=$abs_top_srcdir ./configure $1],
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[$2],
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m4_default([$3], [ignore]), [$4],
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[test $at_verbose = echo && echo "$srcdir/AT_LINE: config.log" && cat config.log])])
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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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# me 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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m4_define([AT_CHECK_ENV],
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[if test -f state-env.before && test -f state-env.after; then
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mv -f state-env.before expout
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AT_CHECK([cat state-env.after], 0, expout)
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fi
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if test -f state-ls.before && test -f state-ls.after; then
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mv -f state-ls.before expout
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AT_CHECK([cat state-ls.after], 0, expout)
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fi
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])
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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], 0,
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[], [autoupdate: `configure.ac' is updated
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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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# 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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AT_CHECK_CONFIGURE
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AT_CHECK_ENV
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$3
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AT_CLEANUP()dnl
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])# AT_CHECK_MACRO
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# AT_CHECK_AU_MACRO(MACRO)
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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, autoupdate this script, check that autoconf runs
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# on that script, and that the shell runs correctly the configure.
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#
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# Updated configure.ac shall not depend upon obsolete macros, which votes
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# in favor of `-W obsolete', but since many of these macros leave a message
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# to be removed by the user once her code is adjusted, let's not check.
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#
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# Remove config.hin to avoid `autoheader: config.hin is unchanged'.
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m4_define([AT_CHECK_AU_MACRO],
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[AT_SETUP([$1])
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AT_KEYWORDS([autoupdate])
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AT_CONFIGURE_AC([$1])
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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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rm config.hin
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AT_CHECK_AUTOUPDATE
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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_CLEANUP()dnl
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])# AT_CHECK_UPDATE
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