/src/netbsd/src/gnu/dist/autoconf/autoconf.in
Autoconf | 770 lines | 511 code | 87 blank | 172 comment | 85 complexity | 8b54c32bfd7ab7c1646068f3c53ca810 MD5 | raw file
Possible License(s): CC0-1.0, MIT, LGPL-2.0, LGPL-3.0, WTFPL, GPL-2.0, BSD-2-Clause, AGPL-3.0, CC-BY-SA-3.0, MPL-2.0, JSON, BSD-3-Clause-No-Nuclear-License-2014, LGPL-2.1, CPL-1.0, AGPL-1.0, 0BSD, ISC, Apache-2.0, GPL-3.0, IPL-1.0, MPL-2.0-no-copyleft-exception, BSD-3-Clause
- #! @SHELL@
- # -*- shell-script -*-
- # autoconf -- create `configure' using m4 macros
- # Copyright 1992, 1993, 1994, 1996, 1999, 2000, 2001
- # Free Software Foundation, Inc.
- # This program 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 2, or (at your option)
- # any later version.
- # This program 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, write to the Free Software
- # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
- # 02111-1307, USA.
- me=`echo "$0" | sed -e 's,.*[\\/],,'`
- usage="\
- Usage: $0 [OPTION] ... [TEMPLATE-FILE]
- Generate a configuration script from a TEMPLATE-FILE if given, or
- \`configure.ac' if present, or else \`configure.in'. Output is sent
- to the standard output if TEMPLATE-FILE is given, else into
- \`configure'.
- Operation modes:
- -h, --help print this help, then exit
- -V, --version print version number, then exit
- -v, --verbose verbosely report processing
- -d, --debug don't remove temporary files
- -o, --output=FILE save output in FILE (stdout is the default)
- -W, --warnings=CATEGORY report the warnings falling in CATEGORY [syntax]
- Warning categories include:
- \`cross' cross compilation issues
- \`obsolete' obsolete constructs
- \`syntax' dubious syntactic constructs
- \`all' all the warnings
- \`no-CATEGORY' turn off the warnings on CATEGORY
- \`none' turn off all the warnings
- \`error' warnings are error
- The environment variable \`WARNINGS' is honored.
- Library directories:
- -A, --autoconf-dir=ACDIR Autoconf's macro files location (rarely needed)
- -l, --localdir=DIR location of the \`aclocal.m4' file
- Tracing:
- -t, --trace=MACRO report the list of calls to MACRO
- -i, --initialization also trace Autoconf's initialization process
- In tracing mode, no configuration script is created.
- Report bugs to <bug-autoconf@gnu.org>."
- version="\
- autoconf (@PACKAGE_NAME@) @VERSION@
- Written by David J. MacKenzie.
- Copyright 1992, 1993, 1994, 1996, 1999, 2000, 2001
- Free Software Foundation, Inc.
- This is free software; see the source for copying conditions. There is NO
- warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE."
- help="\
- Try \`$me --help' for more information."
- exit_missing_arg="\
- echo \"$me: option \\\`\$1' requires an argument\" >&2
- echo \"\$help\" >&2
- exit 1"
- # NLS nuisances.
- if test "${LANG+set}" = set; then LANG=C; export LANG; fi
- if test "${LC_ALL+set}" = set; then LC_ALL=C; export LC_ALL; fi
- if test "${LC_CTYPE+set}" = set; then LC_CTYPE=C; export LC_CTYPE; fi
- if test "${LC_MESSAGES+set}" = set; then LC_MESSAGES=C; export LC_MESSAGES; fi
- # ac_LF_and_DOT
- # We use echo to avoid assuming a particular line-breaking character.
- # The extra dot is to prevent the shell from consuming trailing
- # line-breaks from the sub-command output. A line-break within
- # single-quotes doesn't work because, if this script is created in a
- # platform that uses two characters for line-breaks (e.g., DOS), tr
- # would break.
- ac_LF_and_DOT=`echo; echo .`
- # Find GNU m4.
- : ${M4=@M4@}
- # Find a good AWK.
- : ${AWK=@AWK@}
- if echo xfoo | $AWK '/foo|^bar$/ { print }' | grep xfoo >/dev/null; then :; else
- echo "$me: the regex engine of $AWK is too broken to be used" >&2
- echo "$me: you might want to install GNU AWK" >&2
- exit 1
- fi
- # Variables.
- : ${autoconf_dir=${AC_MACRODIR=@datadir@}}
- test -z "$AC_ACLOCALDIR" &&
- AC_ACLOCALDIR=`(aclocal --print-ac-dir) 2>/dev/null`
- debug=false
- # Trace Autoconf's initialization?
- initialization=false
- localdir=.
- outfile=
- # Exit status.
- status=0
- # Tasks:
- # - trace
- # Trace the first arguments of some macros
- # - script
- # Produce the configure script (default)
- task=script
- tmp=
- verbose=:
- # Parse command line.
- while test $# -gt 0 ; do
- optarg=`expr "x$1" : 'x--[^=]*=\(.*\)' \| \
- "x$1" : 'x-.\(.*\)'`
- case $1 in
- --version | -V )
- echo "$version" ; exit 0 ;;
- --help | -h )
- echo "$usage"; exit 0 ;;
- --debug | -d )
- debug=:; shift ;;
- --verbose | -v )
- verbose=echo
- shift;;
- --localdir=* | -l?* )
- localdir=$optarg
- shift ;;
- --localdir | -l )
- test $# = 1 && eval "$exit_missing_arg"
- shift
- localdir=$1
- shift ;;
- --autoconf-dir=* | -A?* )
- autoconf_dir=$optarg
- shift ;;
- --autoconf-dir | -A )
- test $# = 1 && eval "$exit_missing_arg"
- shift
- autoconf_dir=$1
- shift ;;
- --macrodir=* | -m?* )
- echo "$me: warning: --macrodir is obsolete, use --autoconf-dir" >&2
- autoconf_dir=$optarg
- shift ;;
- --macrodir | -m )
- echo "$me: warning: --macrodir is obsolete, use --autoconf-dir" >&2
- test $# = 1 && eval "$exit_missing_arg"
- shift
- autoconf_dir=$1
- shift ;;
- --trace=* | -t?* )
- task=trace
- traces="$traces '"`echo "$optarg" | sed "s/'/'\\\\\\\\''/g"`"'"
- shift ;;
- --trace | -t )
- test $# = 1 && eval "$exit_missing_arg"
- task=trace
- shift
- traces="$traces '"`echo "$1" | sed "s/'/'\\\\\\\\''/g"`"'"
- shift ;;
- --initialization | -i )
- initialization=:
- shift;;
- --output=* | -o?* )
- outfile=$optarg
- shift ;;
- --output | -o )
- test $# = 1 && eval "$exit_missing_arg"
- shift
- outfile=$1
- shift ;;
- --warnings=* | -W?* )
- warnings=$warnings,$optarg
- shift ;;
- --warnings | -W )
- test $# = 1 && eval "$exit_missing_arg"
- shift
- warnings=$warnings,$1
- shift ;;
- -- ) # Stop option processing
- shift; break ;;
- - ) # Use stdin as input.
- break ;;
- -* )
- exec >&2
- echo "$me: invalid option $1"
- echo "$help"
- exit 1 ;;
- * )
- break ;;
- esac
- done
- # The warnings are the concatenation of 1. application's defaults,
- # 2. $WARNINGS, $3 command line options, in that order.
- # Set them in the order expected by the M4 macros: the converse.
- alphabet='abcdefghijklmnopqrstuvwxyz'
- ALPHABET='ABCDEFGHIJKLMNOPQRSTUVWXYZ'
- NUMBERS='0123456789'
- WORDCHAR=_$alphabet$ALPHABET$NUMBERS
- m4_warnings=
- for warning in `IFS=,; echo syntax $WARNINGS $warnings |
- tr $ALPHABET $alphabet`
- do
- test -n $warning || continue
- m4_warnings="$warning"`test -n "$m4_warnings" && echo ",$m4_warnings"`
- done
- # Trap on 0 to stop playing with `rm'.
- $debug ||
- {
- trap 'status=$?; rm -rf $tmp && exit $status' 0
- trap '(exit 1); exit 1' 1 2 13 15
- }
- # Create a (secure) tmp directory for tmp files.
- : ${TMPDIR=/tmp}
- {
- tmp=`(umask 077 && mktemp -d -q "$TMPDIR/acXXXXXX") 2>/dev/null` &&
- test -n "$tmp" && test -d "$tmp"
- } ||
- {
- tmp=$TMPDIR/ac$$
- (umask 077 && mkdir $tmp)
- } ||
- {
- echo "$me: cannot create a temporary directory in $TMPDIR" >&2
- (exit 1); exit 1;
- }
- # Running m4.
- test -f "$autoconf_dir/acsite.m4" && acsite_m4="$autoconf_dir/acsite.m4"
- test -f "$localdir/aclocal.m4" && aclocal_m4="$localdir/aclocal.m4"
- m4_common="-I $autoconf_dir -I $localdir -Dm4_tmpdir=$tmp"
- m4_prefiles=" $autoconf_dir/autoconf.m4 $acsite_m4 $aclocal_m4"
- m4f_prefiles=$m4_prefiles
- run_m4="$M4 $m4_common"
- # Find the input file.
- case $# in
- 0)
- case `ls configure.ac configure.in 2>/dev/null` in
- *ac*in )
- echo "$me: warning: both \`configure.ac' and \`configure.in' are present." >&2
- echo "$me: warning: proceeding with \`configure.ac'." >&2
- infile=configure.ac;;
- *ac ) infile=configure.ac;;
- *in ) infile=configure.in;;
- * )
- echo "$me: no input file" >&2
- exit 1;;
- esac
- test $task = script && test -z "$outfile" && outfile=configure;;
- 1) infile=$1 ;;
- *) exec >&2
- echo "$me: invalid number of arguments."
- echo "$help"
- (exit 1); exit 1 ;;
- esac
- # Unless specified, the output is stdout.
- test -z "$outfile" && outfile=-
- # We need an actual file.
- if test z$infile = z-; then
- infile=$tmp/stdin
- cat >$infile
- elif test ! -r "$infile"; then
- echo "$me: $infile: No such file or directory" >&2
- (exit 1); exit 1
- fi
- # Output is produced into FD 4. Prepare it.
- case $outfile in
- -) # Output to stdout
- exec 4>&1 ;;
- * )
- exec 4>$outfile;;
- esac
- # Initializations are performed. Proceed to the main task.
- case $task in
- ## --------------------------------- ##
- ## Generate the `configure' script. ##
- ## --------------------------------- ##
- script)
- # M4 expansion.
- : >$tmp/forbidden.rx
- : >$tmp/allowed.rx
- $verbose "$me: running $run_m4 -Dm4_warnings=$m4_warnings $m4f_prefiles $infile" >&2
- $run_m4 -Dm4_warnings=$m4_warnings $m4f_prefiles $infile >$tmp/configure ||
- { (exit 1); exit 1; }
- if test "x$outfile" != x-; then
- chmod +x $outfile
- fi
- # Put the real line numbers into configure to make config.log more
- # helpful. Because quoting can sometimes get really painful in m4,
- # there are special @tokens@ to substitute.
- sed 's/^ //' >"$tmp/finalize.awk" <<EOF
- # Load the list of tokens which escape the forbidden patterns.
- BEGIN {
- # Be sure the read GAWK documentation to understand the parens
- # around \`tmp "/forbidden.rx"'.
- while ((getline pattern < (tmp "/forbidden.rx")) > 0)
- forbidden = (forbidden ? forbidden "|" : "") pattern
- close (tmp "/forbidden.rx")
- if (verbose)
- errprint("$me: forbidden: " forbidden)
- while ((getline pattern < (tmp "/allowed.rx")) > 0)
- allowed = (allowed ? allowed "|" : "") pattern
- if (!allowed)
- allowed = "^$"
- close (tmp "/allowed.rx")
- if (verbose)
- errprint("$me: allowed: " allowed)
- }
- function errprint (message)
- {
- # BAD! the pipe to 'cat >&2' doesn't work for DJGPP.
- # print message | "cat >&2"
- # Use normal redirection instead:
- print message > "$tmp/finalize.err"
- }
- function undefined (file, line, macro)
- {
- errprint(file ":" line ": error: possibly undefined macro: " macro)
- }
- # Body.
- {
- sub (/[ \t]*$/, "")
- if (\$0 == "")
- {
- if (!duplicate)
- {
- oline++
- print
- }
- duplicate = 1
- next
- }
- duplicate = 0
- oline++
- if (\$0 ~ /__oline__/)
- while (sub (/__oline__/, oline))
- continue
- while (sub (/@<:@/, "["))
- continue
- while (sub (/@:>@/, "]"))
- continue
- while (sub (/@S\|@/, "$"))
- continue
- while (sub (/@%:@/, "#"))
- continue
- print
- # Dubious feature: we tolerate macro names when commented.
- sub (/#.*/, "")
- # Get the tokens.
- split (\$0, tokens, /[^$WORDCHAR]*/)
- for (token in tokens)
- if (match (tokens[token], forbidden) &&
- !match (tokens[token], allowed))
- {
- macros [tokens [token]] = oline
- some_macros_were_not_expanded = 1
- }
- }
- # If there are some macros which are left unexpanded in the output,
- # try to find the input which is responsible. Otherwise, try to help.
- END {
- if (some_macros_were_not_expanded)
- {
- line = 0
- while (getline < "$infile")
- {
- line++
- for (macro in macros)
- if (index (\$0, macro))
- {
- delete macros [macro]
- undefined("$infile", line, macro)
- }
- }
- close ("$infile")
- for (macro in macros)
- undefined("$outfile", macros [macro], macro)
- exit 1
- }
- }
- EOF
- $AWK -v tmp="$tmp" \
- `$verbose "-v verbose=1"` \
- -f "$tmp/finalize.awk" <$tmp/configure >&4 ||
- { test -f "$tmp/finalize.err" && cat "$tmp/finalize.err" >&2
- (exit 1); exit 1; }
- test -f "$tmp/finalize.err" && cat "$tmp/finalize.err" >&2
- ;; # End of the task script.
- ## -------------- ##
- ## Trace macros. ##
- ## -------------- ##
- trace)
- # trace.m4
- # --------
- # Routines to process formatted m4 traces.
- sed 's/^ //' >$tmp/trace.m4 <<\EOF
- divert(-1)
- changequote([, ])
- # _at_MODE(SEPARATOR, ELT1, ELT2...)
- # ----------------------------------
- # List the elements, separating then with SEPARATOR.
- # MODE can be:
- # `at' -- the elements are enclosed in brackets.
- # `star' -- the elements are listed as are.
- # `percent' -- the elements are `flattened': spaces are singled out,
- # and no new line remains.
- define([_at_at],
- [at_ifelse([$#], [1], [],
- [$#], [2], [[[$2]]],
- [[[$2]][$1]$0([$1], at_shift(at_shift($@)))])])
- define([_at_percent],
- [at_ifelse([$#], [1], [],
- [$#], [2], [at_flatten([$2])],
- [at_flatten([$2])[$1]$0([$1], at_shift(at_shift($@)))])])
- define([_at_star],
- [at_ifelse([$#], [1], [],
- [$#], [2], [[$2]],
- [[$2][$1]$0([$1], at_shift(at_shift($@)))])])
- # FLATTEN quotes its result.
- define([at_flatten],
- [at_patsubst(at_patsubst(at_patsubst([[[$1]]],
- [\\
- ]),
- [[
- ]+],
- [ ]),
- [^ *\(.*\) *$], [[\1]])])
- define([at_args], [at_shift(at_shift(at_shift(at_shift(at_shift($@)))))])
- define([at_at], [_$0([$1], at_args($@))])
- define([at_percent], [_$0([$1], at_args($@))])
- define([at_star], [_$0([$1], at_args($@))])
- EOF
- # If you trace `define', then on `define([m4_exit], defn([m4exit])' you
- # will produce
- #
- # AT_define([m4sugar.m4], [115], [1], [define], [m4_exit], <m4exit>)
- #
- # Since `<m4exit>' is not quoted, the outter m4, when processing
- # `trace.m4' will exit prematurely. Hence, move all the builtins to
- # the `at_' name space.
- echo '# Copy the builtins.' >>$tmp/trace.m4
- echo "dumpdef" |
- $M4 2>&1 >/dev/null |
- sed 's/^\([^:]*\):.*/define([at_\1], defn([\1]))/' >>$tmp/trace.m4
- echo >>$tmp/trace.m4
- echo '# Disable the builtins.' >>$tmp/trace.m4
- echo "dumpdef" |
- $M4 2>&1 >/dev/null |
- sed 's/^\([^:]*\):.*/at_undefine([\1])/' >>$tmp/trace.m4
- echo >>$tmp/trace.m4
- # trace2m4.sed
- # ------------
- # Transform the traces from m4 into an m4 input file.
- # Typically, transform:
- #
- # | m4trace:configure.ac:3: -1- AC_SUBST([exec_prefix], [NONE])
- #
- # into
- #
- # | AT_AC_SUBST([configure.ac], [3], [1], [AC_SUBST], [exec_prefix], [NONE])
- #
- # Pay attention that the file name might include colons, if under DOS
- # for instance, so we don't use `[^:][^:]*'.
- # The first s/// catches multiline traces, the second, traces as above.
- preamble='m4trace:\(..*\):\([0-9][0-9]*\): -\([0-9][0-9]*\)-'
- cat >$tmp/trace2m4.sed <<EOF
- s/^$preamble \([^(][^(]*\)(\(.*\)$/AT_\4([\1], [\2], [\3], [\4], \5/
- s/^$preamble \(.*\)$/AT_\4([\1], [\2], [\3], [\4])/
- EOF
- # translate.awk
- # -------------
- # Translate user tracing requests into m4 macros.
- cat >$tmp/translate.awk <<\EOF
- function trans (arg, sep)
- {
- # File name.
- if (arg == "f")
- return "$1"
- # Line number.
- if (arg == "l")
- return "$2"
- # Depth.
- if (arg == "d")
- return "$3"
- # Name (also available as $0).
- if (arg == "n")
- return "$4"
- # Escaped dollar.
- if (arg == "$")
- return "$"
- # $@, list of quoted effective arguments.
- if (arg == "@")
- return "]at_at([" (separator ? separator : ",") "], $@)["
- # $*, list of unquoted effective arguments.
- if (arg == "*")
- return "]at_star([" (separator ? separator : ",") "], $@)["
- # $%, list of flattened unquoted effective arguments.
- if (arg == "%")
- return "]at_percent([" (separator ? separator : ":") "], $@)["
- }
- function error (message)
- {
- print message | "cat >&2"
- exit 1
- }
- {
- # Accumulate the whole input.
- request = request $0 "\n"
- }
- END {
- # Chomp.
- request = substr (request, 1, length (request) - 1)
- # The default request is `$f:$l:$n:$*'.
- colon = index (request, ":")
- macro = colon ? substr (request, 1, colon - 1) : request
- request = colon ? substr (request, colon + 1) : "$f:$l:$n:$%"
- res = ""
- for (cp = request; cp; cp = substr (cp, 2))
- {
- char = substr (cp, 1, 1)
- if (char == "$")
- {
- if (match (cp, /^\$[0-9]+/))
- {
- # $n -> $(n + 4)
- res = res "$" (substr (cp, 2, RLENGTH - 1) + 4)
- cp = substr (cp, RLENGTH)
- }
- else if (substr (cp, 2, 1) ~ /[fldn$@%*]/)
- {
- # $x, no separator given.
- res = res trans(substr (cp, 2, 1))
- cp = substr (cp, 2)
- }
- else if (substr (cp, 2, 1) == "{")
- {
- # ${sep}x, long separator.
- end = index (cp, "}")
- if (!end)
- error("invalid escape: " cp)
- separator = substr (cp, 3, end - 3)
- if (substr (cp, end + 1, 1) ~ /[*@%]/)
- res = res trans(substr (cp, end + 1, 1), separator)
- else
- error("invalid escape: " cp)
- cp = substr (cp, end + 1)
- }
- else if (substr (cp, 3, 1) ~ /[*@%]/)
- {
- # $sx, short separator `s'.
- res = res trans(substr (cp, 3, 1), substr (cp, 2, 1))
- cp = substr(cp, 3)
- }
- else
- {
- error("invalid escape: " substr (cp, 1, 2))
- }
- }
- else
- res = res char
- }
- # Produce the definition of AT_<MACRO> = the translation of the request.
- print "at_define([AT_" macro "],"
- print "[[" res "]])"
- print ""
- close("cat >&2")
- }
- EOF
- # Extract both the m4 program and the m4 options from TRACES.
- echo "## ------------------------- ##" >>$tmp/trace.m4
- echo "## Trace processing macros. ##" >>$tmp/trace.m4
- echo "## ------------------------- ##" >>$tmp/trace.m4
- echo >>$tmp/trace.m4
- eval set dummy "$traces"
- shift
- for trace
- do
- echo "# $trace" >>$tmp/trace.m4
- # The request may be several lines long, hence sed has to quit.
- macro_name=`echo "$trace" | sed 's/:.*//;q'`
- # If for instance TRACE is `define', be sure to have an empty
- # TRACE_FORMAT.
- case $trace in
- $macro_name:* )
- trace_format=`echo "$trace" | sed "1s/^$macro_name:/:/"`;;
- * )
- trace_format=;;
- esac
- # GNU M4 1.4's tracing of builtins is buggy. When run on this input:
- #
- # | divert(-1)
- # | changequote([, ])
- # | define([m4_eval], defn([eval]))
- # | eval(1)
- # | m4_eval(2)
- # | undefine([eval])
- # | m4_eval(3)
- #
- # it behaves this way:
- #
- # | % m4 input.m4 -da -t eval
- # | m4trace: -1- eval(1)
- # | m4trace: -1- m4_eval(2)
- # | m4trace: -1- m4_eval(3)
- # | %
- #
- # Conversely:
- #
- # | % m4 input.m4 -da -t m4_eval
- # | %
- #
- # So we will merge them, i.e. tracing `BUILTIN' or tracing
- # `m4_BUILTIN' will be the same: tracing both, but honoring the
- # *last* trace specification.
- # FIXME: This is not enough: in the output `$0' will be `BUILTIN'
- # sometimes and `m4_BUILTIN' at others. We should render a unique name,
- # the one specified by the user.
- base_name=`echo "$macro_name" | sed 's/^m4_//'`
- if echo "ifdef(\`$base_name', \`', \`m4exit(-1)')" | $M4; then
- # BASE_NAME is a builtin.
- trace_opt="$trace_opt -t $base_name -t m4_$base_name"
- echo "$base_name$trace_format" |
- $AWK -f $tmp/translate.awk >>$tmp/trace.m4 ||
- { (exit 1); exit 1; }
- echo "m4_$base_name$trace_format" |
- $AWK -f $tmp/translate.awk >>$tmp/trace.m4 ||
- { (exit 1); exit 1; }
- else
- # MACRO_NAME is not a builtin.
- trace_opt="$trace_opt -t $macro_name"
- echo "$trace" |
- $AWK -f $tmp/translate.awk >>$tmp/trace.m4 ||
- { (exit 1); exit 1; }
- fi
- echo >>$tmp/trace.m4
- done
- echo "## ------------------- ##" >>$tmp/trace.m4
- echo "## Traces to process. ##" >>$tmp/trace.m4
- echo "## ------------------- ##" >>$tmp/trace.m4
- echo >>$tmp/trace.m4
- echo "at_divert(0)at_dnl" >>$tmp/trace.m4
- # Do we trace the initialization?
- # `errprint' must be silent, otherwise there can be warnings mixed
- # with traces in m4's stderr.
- run_m4_trace="$run_m4 $trace_opt -daflq -Derrprint"
- if $initialization; then
- trace_prefiles="$m4_prefiles"
- else
- trace_prefiles="$m4f_prefiles"
- fi
- # Run m4 on the input file to get traces.
- #
- # We used to have a simple pipe, which was very convenient as it
- # allows to use traces on never ending expansions (i.e., when
- # debugging :) but it is requires to keep error messages *and*
- # traces in stderr. This is too fragile, as it results in
- # unexpected data in the output. autoheader has been fragile to
- # this.
- $verbose "$me: running $run_m4_trace -o $tmp/traces $trace_prefiles $infile" >&2
- $run_m4_trace -o $tmp/traces $trace_prefiles $infile >/dev/null ||
- {
- echo "$me: tracing failed" >&2
- (exit 1); exit 1
- }
- $verbose "$me: running $M4 $tmp/trace.m4" >&2
- sed -f $tmp/trace2m4.sed $tmp/traces |
- # Now we are ready to run m4 to process the trace file.
- if $debug; then
- cat >>$tmp/trace.m4
- $M4 $tmp/trace.m4
- else
- $M4 $tmp/trace.m4 -
- fi |
- # It makes no sense to try to transform __oline__.
- sed '
- s/@<:@/[/g
- s/@:>@/]/g
- s/@S|@/$/g
- s/@%:@/#/g
- ' >&4 ||
- {
- echo "$me: traces formatting failed" >&2
- (exit 1); exit 1
- }
- ;;
- ## ------------ ##
- ## Unknown task ##
- ## ------------ ##
- *) echo "$me: internal error: unknown task: $task" >&2
- (exit 1); exit 1
- esac
- (exit $status); exit $status