1#!/bin/sh
2
3#  Test GCC.
4#  Copyright (C) 1999, 2000, 2001, 2002, 2005, 2006, 2009, 2012
5#  Free Software Foundation, Inc.
6
7#  This program is free software; you can redistribute it and/or modify
8#  it under the terms of the GNU General Public License as published by
9#  the Free Software Foundation; either version 3 of the License, or
10#  (at your option) any later version.
11
12#  This program is distributed in the hope that it will be useful,
13#  but WITHOUT ANY WARRANTY; without even the implied warranty of
14#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15#  GNU General Public License for more details.
16
17#  You should have received a copy of the GNU General Public License
18#  along with this program; see the file COPYING3.  If not see
19#  <http://www.gnu.org/licenses/>.
20
21# INPUT:
22# btest <options> <target> <source> <prefix> <state> <build>
23
24add_passes_despite_regression=0
25dashj=''
26
27# <options> can be
28# --add-passes-despite-regression:
29#  Add new "PASSes" despite there being some regressions.
30# -j<n>:
31#  Pass '-j<n>' to make.
32
33case "$1" in
34 --add-passes-despite-regression)
35  add_passes_despite_regression=1; shift;;
36 -j*)
37  dashj=$1; shift;;
38 -*) echo "Invalid option: $1"; exit 2;;
39esac
40
41# TARGET is the target triplet.  It should be the same one as used in
42# constructing PREFIX.  Or it can be the keyword 'native', indicating
43# a target of whatever platform the script is running on.
44TARGET=$1
45# SOURCE is the directory containing the toplevel configure.
46SOURCE=$2
47
48# PREFIX is the directory for the --prefix option to configure.
49#   For cross compilers, it needs to contain header files,
50#   libraries, and binutils.  PATH should probably include
51#   $PREFIX/bin.  
52PREFIX=$3
53# This script also needs to include the GDB testsuite in
54#   $PREFIX/share/gdb-testsuite.
55GDB_TESTSUITE=$PREFIX/share/gdb-testsuite
56
57# STATE is where the tester maintains its internal state,
58#   described below.
59STATE=$4
60
61# BUILD is a temporary directory that this script will
62#   delete and recreate, containing the build tree.
63BUILD=$5
64
65# you also probably need to set these variables:
66# PATH: should contain a native gcc, and a cross gdb.
67# DEJAGNU: should point to a site.exp suitable for testing
68#   the compiler and debugger.
69
70
71# OUTPUT: in $RESULT, one of the following keywords:
72#   error	the script failed due to
73#		a misconfiguration or resource limitation
74#   build	the build failed
75#   regress-<n>	the build succeeded, but there were <n>
76#		testsuite regressions, listed in $REGRESS
77#   pass	build succeeded and there were no regressions
78RESULT=$STATE/RESULT
79# in BUILD_LOG, the output of the build
80BUILD_LOG=$STATE/build_log
81# in FAILED, a list of failing testcases
82FAILED=$STATE/failed
83# in PASSES, the list of testcases we expect to pass
84PASSES=$STATE/passes
85# in REGRESS, a list of testcases we expected to pass but that failed
86REGRESS=$STATE/regress
87
88# Make sure various files exist.
89[ -d $STATE ] || mkdir $STATE
90[ -f $PASSES ] || touch $PASSES
91
92# These lines should stay in this order, because
93# that way if something is badly wrong and $RESULT can't
94# be modified then cron will mail the error message.
95# The reverse order could lead to the testsuite claiming that
96# everything always passes, without running any tests.
97echo error > $RESULT || exit 1
98exec > $BUILD_LOG 2>&1 || exit 1
99
100set -x
101
102# Nuke $BUILD and recreate it.
103rm -rf $BUILD $REGRESS $FAILED
104mkdir $BUILD || exit 1
105cd $BUILD || exit 1
106
107H_BUILD=`$SOURCE/config.guess || exit 1`
108H_HOST=$H_BUILD
109if [ $TARGET = native ] ; then
110  H_TARGET=$H_HOST
111else
112  H_TARGET=$TARGET
113fi
114H_REAL_TARGET=`$SOURCE/config.sub $H_TARGET || exit 1`
115
116# TESTLOGS is the list of dejagnu .sum files that the tester should
117# look at.
118TESTLOGS="gcc/testsuite/gcc/gcc.sum
119gcc/testsuite/g++/g++.sum
120gcc/testsuite/objc/objc.sum"
121
122# Build.
123echo build > $RESULT
124if [ $H_HOST = $H_TARGET ] ; then
125  $SOURCE/configure --prefix=$PREFIX --target=$H_TARGET || exit 1
126  if ! make $dashj bootstrap ; then
127    [ -s .bad_compare ] || exit 1
128    cat .bad_compare >> $REGRESS || exit 1
129    touch compare || exit 1   # Prevent the comparison from running again
130    make $dashj all || exit 1
131  fi
132else
133  withopt="--with-gnu-ld --with-gnu-as"
134  case "$H_TARGET" in
135    *-linux*) ;;
136    *) withopt="$withopt --with-newlib";;
137  esac
138  $SOURCE/configure --prefix=$PREFIX --target=$H_TARGET $withopt || exit 1
139  make $dashj || exit 1
140fi
141echo error > $RESULT || exit 1
142
143# Test GCC against its internal testsuite.
144make $dashj -k check
145
146if [ -f gcc/testsuite/gfortran/gfortran.sum ] ; then
147  TESTLOGS="$TESTLOGS gcc/testsuite/gfortran/gfortran.sum"
148fi
149
150if [ -f $BUILD/$H_TARGET/libstdc++-v3/testsuite/libstdc++.sum ] ; then
151  TESTLOGS="$TESTLOGS $H_TARGET/libstdc++-v3/testsuite/libstdc++.sum"
152fi
153
154if [ -f $BUILD/$H_TARGET/libffi/testsuite/libffi.sum ] ; then
155  TESTLOGS="$TESTLOGS $H_TARGET/libffi/testsuite/libffi.sum"
156fi
157
158if [ -f $BUILD/$H_TARGET/libjava/testsuite/libjava.sum ] ; then
159  TESTLOGS="$TESTLOGS $H_TARGET/libjava/testsuite/libjava.sum"
160fi
161
162if [ -f $BUILD/$H_TARGET/libgomp/testsuite/libgomp.sum ] ; then
163  TESTLOGS="$TESTLOGS $H_TARGET/libgomp/testsuite/libgomp.sum"
164fi
165
166if [ -f $BUILD/$H_TARGET/libmudflap/testsuite/libmudflap.sum ] ; then
167  TESTLOGS="$TESTLOGS $H_TARGET/libmudflap/testsuite/libmudflap.sum"
168fi
169
170# Test the just-built GCC with the GDB testsuite.
171if [ -d $GDB_TESTSUITE ] ; then
172  mkdir test-gdb || exit 1
173  cd $GDB_TESTSUITE || exit 1
174  for i in gdb.* ; do
175    if [ -d $i ] ; then
176      mkdir $BUILD/test-gdb/$i
177    fi
178  done
179  cd $BUILD/test-gdb || exit 1
180  echo "set host_alias $H_HOST" > site.exp
181  echo "set host_triplet $H_HOST" >> site.exp
182  echo "set target_alias $H_TARGET" >> site.exp
183  echo "set target_triplet $H_REAL_TARGET" >> site.exp
184  echo "set build_alias $H_BUILD" >> site.exp
185  echo "set build_triplet $H_BUILD" >> site.exp
186  echo "set srcdir $GDB_TESTSUITE" >> site.exp
187  runtest --tool gdb
188  TESTLOGS="$TESTLOGS test-gdb/gdb.sum"
189fi
190
191# Sanity-check the testlogs.  They should contain at least one PASS.
192cd $BUILD || exit 1
193for LOG in $TESTLOGS ; do
194  if ! grep ^PASS: $LOG > /dev/null ; then
195    echo build > $RESULT
196    exit 1
197  fi
198done
199
200# Work out what failed
201for LOG in $TESTLOGS ; do
202  L=`basename $LOG`
203  awk '/^FAIL: / { print "'$L'",$2; }' $LOG || exit 1
204done | sort | uniq > $FAILED || exit 1
205comm -12 $FAILED $PASSES >> $REGRESS || exit 1
206NUMREGRESS=`wc -l < $REGRESS | tr -d ' '`
207
208if [ $NUMREGRESS -eq 0 ] || [ $add_passes_despite_regression -ne 0 ] ; then
209  # Update the state.
210  for LOG in $TESTLOGS ; do
211    L=`basename $LOG`
212    awk '/^PASS: / { print "'$L'",$2; }' $LOG || exit 1
213  done | sort | uniq | comm -23 - $FAILED > ${PASSES}~ || exit 1
214  [ -s ${PASSES}~ ] || exit 1
215  if [ $NUMREGRESS -ne 0 ] ; then
216    # The way we keep track of new PASSes when in "regress-N" for
217    # --add-passes-despite-regression, is to *add* them to previous
218    # PASSes.  Just as without this option, we don't forget *any* PASS
219    # lines, because besides the ones in $REGRESS that we definitely
220    # don't want to lose, their removal or rename may have been a
221    # mistake (as in, the cause of the "regress-N" state).  If they
222    # come back, we then know they're regressions.
223    cat ${PASSES}~ ${PASSES} | sort -u > ${PASSES}~~
224    mv ${PASSES}~~ ${PASSES} || exit 1
225    rm ${PASSES}~ || exit 1
226  else
227    # In contrast to the merging for "regress-N", we just overwrite
228    # the known PASSes when in the "pass" state, so we get rid of
229    # stale PASS lines for removed, moved or otherwise changed tests
230    # which may be added back with a different meaning later on.
231    mv ${PASSES}~ ${PASSES} || exit 1
232  fi
233fi
234
235if [ $NUMREGRESS -ne 0 ] ; then
236  echo regress-$NUMREGRESS > $RESULT
237  exit 1
238fi
239
240echo pass > $RESULT
241exit 0
242