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#!/bin/sh

#  Build tools for testing GCC.

#  Copyright (C) 1999, 2000, 2001, 2002, 2009

#  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 3 of the License, 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; see the file COPYING3.  If not see

#  <http://www.gnu.org/licenses/>.

# INPUT:

# btest <target> <source> <prefix> <state> <build>

# TARGET is the target triplet.  It should be the same one as used in

# constructing PREFIX.  Or it can be the keyword 'native', indicating

# a target of whatever platform the script is running on.

TARGET=$1

# SOURCE is the directory containing the toplevel configure.

SOURCE=$2

# PREFIX is the directory for the --prefix option to configure.

PREFIX=$3

# STATE is where the tester maintains its internal state,

#   described below.

STATE=$4

# BUILD is a temporary directory that this script will

#   delete and recreate, containing the build tree.

BUILD=$5

# you also probably need to set these variables:

# DEJAGNU: should point to a site.exp suitable for testing

#   the compiler and debugger.

# OUTPUT: in $RESULT, one of the following keywords:

#   error       the script failed due to

#               a misconfiguration or resource limitation

#   build       the build failed

#   regress-<n> the build succeeded, but there were <n>

#               testsuite regressions, listed in $REGRESS

#   pass        build succeeded and there were no regressions

RESULT=$STATE/RESULT

# in BUILD_LOG, the output of the build

BUILD_LOG=$STATE/build_log

# in FAILED, a list of failing testcases

FAILED=$STATE/failed

# in PASSES, the list of testcases we expect to pass

PASSES=$STATE/passes

# in REGRESS, a list of testcases we expected to pass but that failed

REGRESS=$STATE/regress

# Make sure various files exist.

[ -d $STATE ] || mkdir $STATE

[ -f $PASSES ] || touch $PASSES

# These lines should stay in this order, because

# that way if something is badly wrong and $RESULT can't

# be modified then cron will mail the error message.

# The reverse order could lead to the testsuite claiming that

# everything always passes, without running any tests.

echo error > $RESULT || exit 1

exec > $BUILD_LOG 2>&1 || exit 1

set -x

# TESTLOGS is the list of dejagnu .sum files that the tester should

# look at.

TESTLOGS="test/gcc/gcc.sum

test/g++/g++.sum"

# Nuke $BUILD and recreate it.

rm -rf $BUILD $REGRESS $FAILED

mkdir $BUILD $BUILD/build $BUILD/objs || exit 1

cd $BUILD || exit 1

# This script used to use config.guess, but that is not how releng

# determines hostnames.

H_BUILD=`$SOURCE/config.guess || exit 1`

H_HOST=$H_BUILD

if [ $TARGET = native ] ; then

  H_TARGET=$H_HOST

else

  H_TARGET=$TARGET

fi

H_REAL_TARGET=`$SOURCE/config.sub $H_TARGET || exit 1`

H_REAL_BUILD=`$SOURCE/config.sub $H_BUILD || exit 1`

H_REAL_HOST=`$SOURCE/config.sub $H_HOST || exit 1`

# Build.

echo build > $RESULT

cd $BUILD/build || exit 1

TMP_PREFIX=$BUILD/install

$SOURCE/configure --prefix=$PREFIX --target=$H_TARGET || exit 1

if [ $H_REAL_TARGET = $H_REAL_HOST -a $H_REAL_TARGET = i686-pc-linux-gnu ]

 then

  make all-gdb all-dejagnu all-ld || exit 1

  make install-gdb install-dejagnu install-ld || exit 1

elif [ $H_REAL_TARGET = $H_REAL_HOST ] ; then

  make bootstrap || exit 1

  make install || exit 1

else

  make || exit 1

  make install || exit 1

fi

if [ -x $PREFIX/bin/$TARGET-gdb ] ; then

  mkdir -p $PREFIX/share/gdb-testsuite || exit 1

  cd $SOURCE/gdb/testsuite || exit 1

  find . -print | cpio -pdmu $PREFIX/share/gdb-testsuite || exit 1

  # selftest.exp requires keeping old sources around, which is impractical

  rm $PREFIX/share/gdb-testsuite/gdb.base/selftest.exp

  # these tests seem to be broken and randomly failing

  rm -r $PREFIX/share/gdb-testsuite/gdb.mi

fi

echo pass > $RESULT

exit 0