bootstrap

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Author : Ralf Wildenhues
Date : 2008-10-26 19:29:25
Hash : 937775c8
Message : Parallel automake execution: AUTOMAKE_JOBS. * lib/Automake/Config.in (perl_threads): New global. * automake.in: Use it. If the perl supports interpreter-based threading, then use `threads' and `Thread::Queue'. (handle_makefile, handle_makefiles_serial): New functions, factored out from main. (get_number_of_threads): New function, compute number of threads to use, based on environment variable `AUTOMAKE_JOBS' and number of independent makefiles. (handle_makefiles_threaded): New function. Spawn threads, use thread queue to distribute handling the different makefiles. Collect $exit_code values from threads. (main): Use new functions. * aclocal.in: No threads here. * configure.ac: Substitute PERL_THREADS; enabled with perl >= 5.7.2 and when ithreads are available. * bootstrap (dosubst): Likewise. * Makefile.am (do_subst): Likewise. * lib/Automake/Makefile.am (do_subst): Likewise. * lib/Automake/ChannelDefs.pm: Use `Automake::Config' and `threads'. (verb): Prepend thread ID (tid) to verbose messages. * lib/Automake/Channels.pm (msg): Before exiting, flush stderr, needed for worker threads. * lib/Automake/tests/Makefile.am (TESTS_ENVIRONMENT): Also include the build tree path, so Config.pm is found. * tests/parallel-am.test: New test. * tests/Makefile.am: Update. * doc/automake.texi (Invoking Automake): Document AUTOMAKE_JOBS. * NEWS, THANKS: Update. Report about long execution times by Joakim Tjernlund and others. Signed-off-by: Ralf Wildenhues <Ralf.Wildenhues@gmx.de>

bootstrap

#! /bin/sh

# This script helps bootstrap automake, when checked out from git.
#
# Copyright (C) 2002, 2003, 2004, 2007, 2008  Free Software Foundation,
# Inc.
# written by Pavel Roskin <proski@gnu.org> September 2002
#
# 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 3, 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, see <http://www.gnu.org/licenses/>.

# Find the path separator
echo "#! /bin/sh" >boot$$.sh
echo  "exit 0"   >>boot$$.sh
chmod +x boot$$.sh
if (PATH="/nonexistent;."; boot$$.sh) >/dev/null 2>&1; then
  PATH_SEPARATOR=';'
else
  PATH_SEPARATOR=:
fi
rm -f boot$$.sh

# Don't ignore failures
set -e

# Find perl.  Code based on Autoconf, but without non-POSIX support.
if test -z "$PERL"; then
	save_IFS=$IFS
	IFS=$PATH_SEPARATOR
	for dir in $PATH; do
		IFS=$save_IFS
		test -z "$dir" && dir=.
		if test -x "$dir/perl" && test ! -d "$dir/perl"; then
			PERL="$dir/perl"
			break
		fi
	done
fi

if test -z "$PERL"; then
	echo "Cannot find perl" >&2
	exit 1
fi

# Variables to substitute
VERSION=`sed -ne '/AC_INIT/s/^[^[]*\[[^[]*\[\([^]]*\)\].*$/\1/p' configure.ac`
PACKAGE=automake
datadir=.
PERL_THREADS=0

# Override SHELL.  This is required on DJGPP so that Perl's system()
# uses bash, not COMMAND.COM which doesn't quote arguments properly.
# It's not used otherwise.
if test -n "$DJGPP"; then
    BOOTSTRAP_SHELL=/dev/env/DJDIR/bin/bash.exe
else
    BOOTSTRAP_SHELL=/bin/sh
fi

# Read the rule for calculating APIVERSION and execute it
apiver_cmd=`sed -ne 's/\[\[/[/g;s/\]\]/]/g;/^APIVERSION=/p' configure.ac`
eval $apiver_cmd

# Sanity checks
if test -z "$VERSION"; then
	echo "Cannot find VERSION" >&2
	exit 1
fi

if test -z "$APIVERSION"; then
	echo "Cannot find VERSION" >&2
	exit 1
fi

# Make a dummy versioned directory for aclocal
rm -rf aclocal-$APIVERSION
mkdir aclocal-$APIVERSION
if test -d automake-$APIVERSION; then
	find automake-$APIVERSION -exec chmod u+wx '{}' ';'
fi
rm -rf automake-$APIVERSION
# Can't use `ln -s lib automake-$APIVERSION',
# that would create a lib.exe stub under DJGPP 2.03.
mkdir automake-$APIVERSION
cp -rf lib/* automake-$APIVERSION

dosubst ()
{
  rm -f $2
  in=`echo $1 | sed 's,^.*/,,'`
  sed -e "s%@APIVERSION@%$APIVERSION%g" \
      -e "s%@PACKAGE@%$PACKAGE%g" \
      -e "s%@PERL@%$PERL%g" \
      -e "s%@PERL_THREADS@%$PERL_THREADS%g" \
      -e "s%@SHELL@%$BOOTSTRAP_SHELL%g" \
      -e "s%@VERSION@%$VERSION%g" \
      -e "s%@datadir@%$datadir%g" \
      -e "s%@configure_input@%Generated from $in; do not edit by hand.%g" \
      $1 > $2
  chmod a-w $2
}


# Create temporary replacement for lib/Automake/Config.pm
dosubst automake-$APIVERSION/Automake/Config.in \
	automake-$APIVERSION/Automake/Config.pm

# Create temporary replacement for aclocal
dosubst aclocal.in aclocal.tmp

# Overwrite amversion.m4
dosubst m4/amversion.in m4/amversion.m4

# Create temporary replacement for automake
dosubst automake.in automake.tmp

# Run the autotools.
$PERL ./aclocal.tmp -I m4
autoconf
$PERL ./automake.tmp

# Remove temporary files and directories
rm -rf aclocal-$APIVERSION automake-$APIVERSION
rm -f aclocal.tmp automake.tmp
rm -f lib/Automake/Config.pm

kc3-lang/automake/bootstrap

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kc3-lang/automake /bootstrap