1 #!/bin/bash
2 #
3 # Copyright (c) 2012, 2017, Oracle and/or its affiliates. All rights reserved.
4 # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
5 #
6 # This code is free software; you can redistribute it and/or modify it
7 # under the terms of the GNU General Public License version 2 only, as
8 # published by the Free Software Foundation.
9 #
10 # This code is distributed in the hope that it will be useful, but WITHOUT
11 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 # FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
13 # version 2 for more details (a copy is included in the LICENSE file that
14 # accompanied this code).
15 #
16 # You should have received a copy of the GNU General Public License version
17 # 2 along with this work; if not, write to the Free Software Foundation,
18 # Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
19 #
20 # Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
21 # or visit www.oracle.com if you need additional information or have any
22 # questions.
23 #
24
25 if test "x$1" != xCHECKME; then
26 echo "ERROR: Calling this wrapper script directly is not supported."
27 echo "Use the 'configure' script in the top-level directory instead."
28 exit 1
29 fi
30
31 # The next argument is the absolute top-level directory path.
32 # The TOPDIR variable is passed on to configure.ac.
33 TOPDIR="$2"
34 # Remove these two arguments to get to the user supplied arguments
35 shift
36 shift
37
38 if test "x$BASH" = x; then
39 echo "Error: This script must be run using bash." 1>&2
40 exit 1
41 fi
42 # Force autoconf to use bash. This also means we must disable autoconf re-exec.
43 export CONFIG_SHELL=$BASH
44 export _as_can_reexec=no
45
46 conf_script_dir="$TOPDIR/make/autoconf"
47
48 if test "x$CUSTOM_CONFIG_DIR" != x; then
49 if test ! -e $CUSTOM_CONFIG_DIR/generated-configure.sh; then
50 echo "CUSTOM_CONFIG_DIR not pointing to a proper custom config dir."
51 echo "Error: Cannot continue" 1>&2
52 exit 1
53 fi
54 fi
55
56 ###
57 ### Test that the generated configure is up-to-date
58 ###
59
60 run_autogen_or_fail() {
61 if test "x`which autoconf 2> /dev/null | grep -v '^no autoconf in'`" = x; then
62 echo "Cannot locate autoconf, unable to correct situation."
63 echo "Please install autoconf and run 'bash autogen.sh' to update the generated files."
64 echo "Error: Cannot continue" 1>&2
65 exit 1
66 else
67 echo "Running autogen.sh to correct the situation"
68 bash $conf_script_dir/autogen.sh
69 fi
70 }
71
72 check_autoconf_timestamps() {
73 for file in $conf_script_dir/configure.ac $conf_script_dir/*.m4 ; do
74 if test $file -nt $conf_script_dir/generated-configure.sh; then
75 echo "Warning: The configure source files is newer than the generated files."
76 run_autogen_or_fail
77 fi
78 done
79
80 if test "x$CUSTOM_CONFIG_DIR" != x; then
81 # If custom source configure is available, make sure it is up-to-date as well.
82 for file in $conf_script_dir/configure.ac $conf_script_dir/*.m4 $CUSTOM_CONFIG_DIR/*.m4; do
83 if test $file -nt $CUSTOM_CONFIG_DIR/generated-configure.sh; then
84 echo "Warning: The configure source files is newer than the custom generated files."
85 run_autogen_or_fail
86 fi
87 done
88 fi
89 }
90
91 check_hg_updates() {
92 if test "x`which hg 2> /dev/null | grep -v '^no hg in'`" != x; then
93 conf_updated_autoconf_files=`cd $conf_script_dir && hg status -mard . 2> /dev/null`
94 if test "x$conf_updated_autoconf_files" != x; then
95 echo "Configure source code has been updated, checking time stamps"
96 check_autoconf_timestamps
97 elif test "x$CUSTOM_CONFIG_DIR" != x; then
98 # If custom source configure is available, make sure it is up-to-date as well.
99 conf_custom_updated_autoconf_files=`cd $CUSTOM_CONFIG_DIR && hg status -mard . 2> /dev/null`
100 if test "x$conf_custom_updated_autoconf_files" != x; then
101 echo "Configure custom source code has been updated, checking time stamps"
102 check_autoconf_timestamps
103 fi
104 fi
105 fi
106 }
107
108 # Check for local changes
109 check_hg_updates
110
111 if test "x$CUSTOM_CONFIG_DIR" != x; then
112 # Test if open configure is newer than custom configure, if so, custom needs to
113 # be regenerated. This test is required to ensure consistency with custom source.
114 conf_open_configure_timestamp=`grep DATE_WHEN_GENERATED= $conf_script_dir/generated-configure.sh | cut -d"=" -f 2`
115 conf_custom_configure_timestamp=`grep DATE_WHEN_GENERATED= $CUSTOM_CONFIG_DIR/generated-configure.sh | cut -d"=" -f 2`
116 if test $conf_open_configure_timestamp -gt $conf_custom_configure_timestamp; then
117 echo "Warning: The generated configure file contains changes not present in the custom generated file."
118 run_autogen_or_fail
119 fi
120 fi
121
122 # Autoconf calls the configure script recursively sometimes.
123 # Don't start logging twice in that case
124 if test "x$conf_debug_configure" = xtrue; then
125 conf_debug_configure=recursive
126 fi
127
128 ###
129 ### Process command-line arguments
130 ###
131
132 # Returns a shell-escaped version of the argument given.
133 function shell_quote() {
134 if [[ -n "$1" ]]; then
135 # Uses only shell-safe characters? No quoting needed.
136 # '=' is a zsh meta-character, but only in word-initial position.
137 if echo "$1" | grep '^[ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789\.:,%/+=_-]\{1,\}$' > /dev/null \
138 && ! echo "$1" | grep '^=' > /dev/null; then
139 quoted="$1"
140 else
141 if echo "$1" | grep "[\'!]" > /dev/null; then
142 # csh does history expansion within single quotes, but not
143 # when backslash-escaped!
144 local quoted_quote="'\\''" quoted_exclam="'\\!'"
145 word="${1//\'/${quoted_quote}}"
146 word="${1//\!/${quoted_exclam}}"
147 fi
148 quoted="'$1'"
149 fi
150 echo "$quoted"
151 fi
152 }
153
154 conf_processed_arguments=()
155 conf_quoted_arguments=()
156 conf_openjdk_target=
157
158 for conf_option
159 do
160
161 # Process (and remove) our own extensions that will not be passed to autoconf
162 case $conf_option in
163 --openjdk-target=*)
164 conf_openjdk_target=`expr "X$conf_option" : '[^=]*=\(.*\)'`
165 ;;
166 --debug-configure)
167 if test "x$conf_debug_configure" != xrecursive; then
168 conf_debug_configure=true
169 export conf_debug_configure
170 fi
171 ;;
172 *)
173 conf_processed_arguments=("${conf_processed_arguments[@]}" "$conf_option")
174 ;;
175 esac
176
177 # Store all variables overridden on the command line
178 case $conf_option in
179 [^-]*=*)
180 # Add name of variable to CONFIGURE_OVERRIDDEN_VARIABLES list inside !...!.
181 conf_env_var=`expr "x$conf_option" : 'x\([^=]*\)='`
182 CONFIGURE_OVERRIDDEN_VARIABLES="$CONFIGURE_OVERRIDDEN_VARIABLES!$conf_env_var!"
183 ;;
184 esac
185
186 # Save the arguments, intelligently quoted for CONFIGURE_COMMAND_LINE.
187 case $conf_option in
188 *=*)
189 conf_option_name=`expr "x$conf_option" : 'x\([^=]*\)='`
190 conf_option_name=$(shell_quote "$conf_option_name")
191 conf_option_value=`expr "x$conf_option" : 'x[^=]*=\(.*\)'`
192 conf_option_value=$(shell_quote "$conf_option_value")
193 conf_quoted_arguments=("${conf_quoted_arguments[@]}" "$conf_option_name=$conf_option_value")
194 ;;
195 *)
196 conf_quoted_arguments=("${conf_quoted_arguments[@]}" "$(shell_quote "$conf_option")")
197 ;;
198 esac
199
200 # Check for certain autoconf options that require extra action
201 case $conf_option in
202 -build | --build | --buil | --bui | --bu |-build=* | --build=* | --buil=* | --bui=* | --bu=*)
203 conf_legacy_crosscompile="$conf_legacy_crosscompile $conf_option" ;;
204 -target | --target | --targe | --targ | --tar | --ta | --t | -target=* | --target=* | --targe=* | --targ=* | --tar=* | --ta=* | --t=*)
205 conf_legacy_crosscompile="$conf_legacy_crosscompile $conf_option" ;;
206 -host | --host | --hos | --ho | -host=* | --host=* | --hos=* | --ho=*)
207 conf_legacy_crosscompile="$conf_legacy_crosscompile $conf_option" ;;
208 -help | --help | --hel | --he | -h)
209 conf_print_help=true ;;
210 esac
211 done
212
213 # Save the quoted command line
214 CONFIGURE_COMMAND_LINE="${conf_quoted_arguments[@]}"
215
216 if test "x$conf_legacy_crosscompile" != "x"; then
217 if test "x$conf_openjdk_target" != "x"; then
218 echo "Error: Specifying --openjdk-target together with autoconf"
219 echo "legacy cross-compilation flags is not supported."
220 echo "You specified: --openjdk-target=$conf_openjdk_target and $conf_legacy_crosscompile."
221 echo "The recommended use is just --openjdk-target."
222 exit 1
223 else
224 echo "Warning: You are using legacy autoconf cross-compilation flags."
225 echo "It is recommended that you use --openjdk-target instead."
226 echo ""
227 fi
228 fi
229
230 if test "x$conf_openjdk_target" != "x"; then
231 conf_build_platform=`sh $conf_script_dir/build-aux/config.guess`
232 conf_processed_arguments=("--build=$conf_build_platform" "--host=$conf_openjdk_target" "--target=$conf_openjdk_target" "${conf_processed_arguments[@]}")
233 fi
234
235 # Make configure exit with error on invalid options as default.
236 # Can be overridden by --disable-option-checking, since we prepend our argument
237 # and later options override earlier.
238 conf_processed_arguments=("--enable-option-checking=fatal" "${conf_processed_arguments[@]}")
239
240 ###
241 ### Call the configure script
242 ###
243 if test "x$CUSTOM_CONFIG_DIR" != x; then
244 # Custom source configure available; run that instead
245 echo "Running custom generated-configure.sh"
246 conf_script_to_run=$CUSTOM_CONFIG_DIR/generated-configure.sh
247 else
248 echo "Running generated-configure.sh"
249 conf_script_to_run=$conf_script_dir/generated-configure.sh
250 fi
251
252 if test "x$conf_debug_configure" != x; then
253 # Turn on shell debug output if requested (initial or recursive)
254 set -x
255 fi
256
257 # Now transfer control to the script generated by autoconf. This is where the
258 # main work is done.
259 RCDIR=`mktemp -dt jdk-build-configure.tmp.XXXXXX` || exit $?
260 trap "rm -rf \"$RCDIR\"" EXIT
261 conf_logfile=./configure.log
262 (exec 3>&1 ; ((. $conf_script_to_run "${conf_processed_arguments[@]}" 2>&1 1>&3 ) \
263 ; echo $? > "$RCDIR/rc" ) \
264 | tee -a $conf_logfile 1>&2 ; exec 3>&-) | tee -a $conf_logfile
265
266 conf_result_code=`cat "$RCDIR/rc"`
267 ###
268 ### Post-processing
269 ###
270
271 if test $conf_result_code -eq 0; then
272 if test "x$conf_print_help" = xtrue; then
273 cat <<EOT
274
275 Additional (non-autoconf) OpenJDK Options:
276 --openjdk-target=TARGET cross-compile with TARGET as target platform
277 (i.e. the one you will run the resulting binary on).
278 Equivalent to --host=TARGET --target=TARGET
279 --build=<current platform>
280 --debug-configure Run the configure script with additional debug
281 logging enabled.
282
283 EOT
284
285 # Print additional help, e.g. a list of toolchains and JVM features.
286 # This must be done by the autoconf script.
287 ( CONFIGURE_PRINT_ADDITIONAL_HELP=true . $conf_script_to_run PRINTF=printf )
288
289 cat <<EOT
290
291 Please be aware that, when cross-compiling, the OpenJDK configure script will
292 generally use 'target' where autoconf traditionally uses 'host'.
293
294 Also note that variables must be passed on the command line. Variables in the
295 environment will generally be ignored, unlike traditional autoconf scripts.
296 EOT
297 fi
298 else
299 echo configure exiting with result code $conf_result_code
300 fi
301
302 exit $conf_result_code