1 #
2 # Copyright (c) 2011, 2018, Oracle and/or its affiliates. All rights reserved.
3 # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 #
5 # This code is free software; you can redistribute it and/or modify it
6 # under the terms of the GNU General Public License version 2 only, as
7 # published by the Free Software Foundation. Oracle designates this
8 # particular file as subject to the "Classpath" exception as provided
9 # by Oracle in the LICENSE file that accompanied this code.
10 #
11 # This code is distributed in the hope that it will be useful, but WITHOUT
12 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 # FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 # version 2 for more details (a copy is included in the LICENSE file that
15 # accompanied this code).
16 #
17 # You should have received a copy of the GNU General Public License version
18 # 2 along with this work; if not, write to the Free Software Foundation,
19 # Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 #
21 # Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 # or visit www.oracle.com if you need additional information or have any
23 # questions.
24 #
25
26 # All valid JVM features, regardless of platform
27 VALID_JVM_FEATURES="compiler1 compiler2 zero minimal dtrace jvmti jvmci \
28 graal vm-structs jni-check services management cmsgc epsilongc g1gc parallelgc serialgc shenandoahgc zgc nmt cds \
29 static-build link-time-opt aot jfr"
30
31 # Deprecated JVM features (these are ignored, but with a warning)
32 DEPRECATED_JVM_FEATURES="trace"
33
34 # All valid JVM variants
35 VALID_JVM_VARIANTS="server client minimal core zero custom"
36
37 # Valhalla temporarily disabled
38 VALHALLA_TEMP=false
39
40 ###############################################################################
41 # Check if the specified JVM variant should be built. To be used in shell if
42 # constructs, like this:
43 # if HOTSPOT_CHECK_JVM_VARIANT(server); then
44 #
45 # Only valid to use after HOTSPOT_SETUP_JVM_VARIANTS has setup variants.
46
47 # Definition kept in one line to allow inlining in if statements.
48 # Additional [] needed to keep m4 from mangling shell constructs.
49 AC_DEFUN([HOTSPOT_CHECK_JVM_VARIANT],
50 [ [ [[ " $JVM_VARIANTS " =~ " $1 " ]] ] ])
51
52 ###############################################################################
53 # Check if the specified JVM feature is enabled. To be used in shell if
54 # constructs, like this:
55 # if HOTSPOT_CHECK_JVM_FEATURE(jvmti); then
56 #
57 # Only valid to use after HOTSPOT_SETUP_JVM_FEATURES has setup features.
58
59 # Definition kept in one line to allow inlining in if statements.
60 # Additional [] needed to keep m4 from mangling shell constructs.
61 AC_DEFUN([HOTSPOT_CHECK_JVM_FEATURE],
62 [ [ [[ " $JVM_FEATURES " =~ " $1 " ]] ] ])
63
64 ###############################################################################
65 # Check if the specified JVM feature is explicitly disabled. To be used in
66 # shell if constructs, like this:
67 # if HOTSPOT_IS_JVM_FEATURE_DISABLED(jvmci); then
68 #
69 # This function is internal to hotspot.m4, and is only used when constructing
70 # the valid set of enabled JVM features. Users outside of hotspot.m4 should just
71 # use HOTSPOT_CHECK_JVM_FEATURE to check if a feature is enabled or not.
72
73 # Definition kept in one line to allow inlining in if statements.
74 # Additional [] needed to keep m4 from mangling shell constructs.
75 AC_DEFUN([HOTSPOT_IS_JVM_FEATURE_DISABLED],
76 [ [ [[ " $DISABLED_JVM_FEATURES " =~ " $1 " ]] ] ])
77
78 ###############################################################################
79 # Check which variants of the JVM that we want to build. Available variants are:
80 # server: normal interpreter, and a tiered C1/C2 compiler
81 # client: normal interpreter, and C1 (no C2 compiler)
82 # minimal: reduced form of client with optional features stripped out
83 # core: normal interpreter only, no compiler
84 # zero: C++ based interpreter only, no compiler
85 # custom: baseline JVM with no default features
86 #
87 AC_DEFUN_ONCE([HOTSPOT_SETUP_JVM_VARIANTS],
88 [
89 AC_ARG_WITH([jvm-variants], [AS_HELP_STRING([--with-jvm-variants],
90 [JVM variants (separated by commas) to build (server,client,minimal,core,zero,custom) @<:@server@:>@])])
91
92 if test "x$with_jvm_variants" = x; then
93 with_jvm_variants="server"
94 fi
95 JVM_VARIANTS_OPT="$with_jvm_variants"
96
97 # Has the user listed more than one variant?
98 # Additional [] needed to keep m4 from mangling shell constructs.
99 if [ [[ "$JVM_VARIANTS_OPT" =~ "," ]] ]; then
100 BUILDING_MULTIPLE_JVM_VARIANTS=true
101 else
102 BUILDING_MULTIPLE_JVM_VARIANTS=false
103 fi
104 # Replace the commas with AND for use in the build directory name.
105 JVM_VARIANTS_WITH_AND=`$ECHO "$JVM_VARIANTS_OPT" | $SED -e 's/,/AND/g'`
106
107 AC_MSG_CHECKING([which variants of the JVM to build])
108 # JVM_VARIANTS is a space-separated list.
109 # Also use minimal, not minimal1 (which is kept for backwards compatibility).
110 JVM_VARIANTS=`$ECHO $JVM_VARIANTS_OPT | $SED -e 's/,/ /g' -e 's/minimal1/minimal/'`
111 AC_MSG_RESULT([$JVM_VARIANTS])
112
113 # Check that the selected variants are valid
114 BASIC_GET_NON_MATCHING_VALUES(INVALID_VARIANTS, $JVM_VARIANTS, $VALID_JVM_VARIANTS)
115 if test "x$INVALID_VARIANTS" != x; then
116 AC_MSG_NOTICE([Unknown variant(s) specified: "$INVALID_VARIANTS"])
117 AC_MSG_NOTICE([The available JVM variants are: "$VALID_JVM_VARIANTS"])
118 AC_MSG_ERROR([Cannot continue])
119 fi
120
121 # All "special" variants share the same output directory ("server")
122 VALID_MULTIPLE_JVM_VARIANTS="server client minimal"
123 BASIC_GET_NON_MATCHING_VALUES(INVALID_MULTIPLE_VARIANTS, $JVM_VARIANTS, $VALID_MULTIPLE_JVM_VARIANTS)
124 if test "x$INVALID_MULTIPLE_VARIANTS" != x && test "x$BUILDING_MULTIPLE_JVM_VARIANTS" = xtrue; then
125 AC_MSG_ERROR([You cannot build multiple variants with anything else than $VALID_MULTIPLE_JVM_VARIANTS.])
126 fi
127
128 # The "main" variant is the one used by other libs to link against during the
129 # build.
130 if test "x$BUILDING_MULTIPLE_JVM_VARIANTS" = "xtrue"; then
131 MAIN_VARIANT_PRIO_ORDER="server client minimal"
132 for variant in $MAIN_VARIANT_PRIO_ORDER; do
133 if HOTSPOT_CHECK_JVM_VARIANT($variant); then
134 JVM_VARIANT_MAIN="$variant"
135 break
136 fi
137 done
138 else
139 JVM_VARIANT_MAIN="$JVM_VARIANTS"
140 fi
141
142 AC_SUBST(JVM_VARIANTS)
143 AC_SUBST(VALID_JVM_VARIANTS)
144 AC_SUBST(JVM_VARIANT_MAIN)
145
146 if HOTSPOT_CHECK_JVM_VARIANT(zero); then
147 # zero behaves as a platform and rewrites these values. This is really weird. :(
148 # We are guaranteed that we do not build any other variants when building zero.
149 HOTSPOT_TARGET_CPU=zero
150 HOTSPOT_TARGET_CPU_ARCH=zero
151 fi
152 ])
153
154 ###############################################################################
155 # Check if dtrace should be enabled and has all prerequisites present.
156 #
157 AC_DEFUN_ONCE([HOTSPOT_SETUP_DTRACE],
158 [
159 # Test for dtrace dependencies
160 AC_ARG_ENABLE([dtrace], [AS_HELP_STRING([--enable-dtrace@<:@=yes/no/auto@:>@],
161 [enable dtrace. Default is auto, where dtrace is enabled if all dependencies
162 are present.])])
163
164 DTRACE_DEP_MISSING=false
165
166 AC_MSG_CHECKING([for dtrace tool])
167 if test "x$DTRACE" != "x" && test -x "$DTRACE"; then
168 AC_MSG_RESULT([$DTRACE])
169 else
170 AC_MSG_RESULT([not found, cannot build dtrace])
171 DTRACE_DEP_MISSING=true
172 fi
173
174 AC_CHECK_HEADERS([sys/sdt.h], [DTRACE_HEADERS_OK=yes],[DTRACE_HEADERS_OK=no])
175 if test "x$DTRACE_HEADERS_OK" != "xyes"; then
176 DTRACE_DEP_MISSING=true
177 fi
178
179 AC_MSG_CHECKING([if dtrace should be built])
180 if test "x$enable_dtrace" = "xyes"; then
181 if test "x$DTRACE_DEP_MISSING" = "xtrue"; then
182 AC_MSG_RESULT([no, missing dependencies])
183 HELP_MSG_MISSING_DEPENDENCY([dtrace])
184 AC_MSG_ERROR([Cannot enable dtrace with missing dependencies. See above. $HELP_MSG])
185 else
186 INCLUDE_DTRACE=true
187 AC_MSG_RESULT([yes, forced])
188 fi
189 elif test "x$enable_dtrace" = "xno"; then
190 INCLUDE_DTRACE=false
191 AC_MSG_RESULT([no, forced])
192 elif test "x$enable_dtrace" = "xauto" || test "x$enable_dtrace" = "x"; then
193 if test "x$DTRACE_DEP_MISSING" = "xtrue"; then
194 INCLUDE_DTRACE=false
195 AC_MSG_RESULT([no, missing dependencies])
196 else
197 INCLUDE_DTRACE=true
198 AC_MSG_RESULT([yes, dependencies present])
199 fi
200 else
201 AC_MSG_ERROR([Invalid value for --enable-dtrace: $enable_dtrace])
202 fi
203 ])
204
205 ################################################################################
206 # Check if AOT should be enabled
207 #
208 AC_DEFUN_ONCE([HOTSPOT_ENABLE_DISABLE_AOT],
209 [
210 AC_ARG_ENABLE([aot], [AS_HELP_STRING([--enable-aot@<:@=yes/no/auto@:>@],
211 [enable ahead of time compilation feature. Default is auto, where aot is enabled if all dependencies are present.])])
212
213 if test "x$enable_aot" = "x" || test "x$enable_aot" = "xauto"; then
214 ENABLE_AOT="true"
215 elif test "x$enable_aot" = "xyes"; then
216 ENABLE_AOT="true"
217 elif test "x$enable_aot" = "xno"; then
218 ENABLE_AOT="false"
219 else
220 AC_MSG_ERROR([Invalid value for --enable-aot: $enable_aot])
221 fi
222
223 if test "x$ENABLE_AOT" = "xtrue"; then
224 # Only enable AOT on X64 platforms.
225 if test "x$OPENJDK_TARGET_CPU" = "xx86_64" || test "x$OPENJDK_TARGET_CPU" = "xaarch64" ; then
226 if test -e "${TOPDIR}/src/jdk.aot"; then
227 if test -e "${TOPDIR}/src/jdk.internal.vm.compiler"; then
228 ENABLE_AOT="true"
229 else
230 ENABLE_AOT="false"
231 if test "x$enable_aot" = "xyes"; then
232 AC_MSG_ERROR([Cannot build AOT without src/jdk.internal.vm.compiler sources. Remove --enable-aot.])
233 fi
234 fi
235 else
236 ENABLE_AOT="false"
237 if test "x$enable_aot" = "xyes"; then
238 AC_MSG_ERROR([Cannot build AOT without src/jdk.aot sources. Remove --enable-aot.])
239 fi
240 fi
241 else
242 ENABLE_AOT="false"
243 if test "x$enable_aot" = "xyes"; then
244 AC_MSG_ERROR([AOT is currently only supported on x86_64 and aarch64. Remove --enable-aot.])
245 fi
246 fi
247 fi
248
249 AC_SUBST(ENABLE_AOT)
250 ])
251
252 ################################################################################
253 # Allow to disable CDS
254 #
255 AC_DEFUN_ONCE([HOTSPOT_ENABLE_DISABLE_CDS],
256 [
257 AC_ARG_ENABLE([cds], [AS_HELP_STRING([--enable-cds@<:@=yes/no/auto@:>@],
258 [enable class data sharing feature in non-minimal VM. Default is auto, where cds is enabled if supported on the platform.])])
259
260 if test "x$enable_cds" = "x" || test "x$enable_cds" = "xauto"; then
261 ENABLE_CDS="true"
262 elif test "x$enable_cds" = "xyes"; then
263 ENABLE_CDS="true"
264 elif test "x$enable_cds" = "xno"; then
265 ENABLE_CDS="false"
266 else
267 AC_MSG_ERROR([Invalid value for --enable-cds: $enable_cds])
268 fi
269
270 AC_SUBST(ENABLE_CDS)
271 ])
272
273 ###############################################################################
274 # Set up all JVM features for each JVM variant.
275 #
276 AC_DEFUN_ONCE([HOTSPOT_SETUP_JVM_FEATURES],
277 [
278 # Prettify the VALID_JVM_FEATURES string
279 BASIC_SORT_LIST(VALID_JVM_FEATURES, $VALID_JVM_FEATURES)
280
281 # The user can in some cases supply additional jvm features. For the custom
282 # variant, this defines the entire variant.
283 AC_ARG_WITH([jvm-features], [AS_HELP_STRING([--with-jvm-features],
284 [JVM features to enable (foo) or disable (-foo), separated by comma. Use '--help' to show possible values @<:@none@:>@])])
285 if test "x$with_jvm_features" != x; then
286 AC_MSG_CHECKING([user specified JVM feature list])
287 USER_JVM_FEATURE_LIST=`$ECHO $with_jvm_features | $SED -e 's/,/ /g'`
288 AC_MSG_RESULT([$user_jvm_feature_list])
289 # These features will be added to all variant defaults
290 JVM_FEATURES=`$ECHO $USER_JVM_FEATURE_LIST | $AWK '{ for (i=1; i<=NF; i++) if (!match($i, /^-.*/)) printf("%s ", $i) }'`
291 # These features will be removed from all variant defaults
292 DISABLED_JVM_FEATURES=`$ECHO $USER_JVM_FEATURE_LIST | $AWK '{ for (i=1; i<=NF; i++) if (match($i, /^-.*/)) printf("%s ", substr($i, 2))}'`
293
294 # Verify that the user has provided valid features
295 BASIC_GET_NON_MATCHING_VALUES(INVALID_FEATURES, $JVM_FEATURES $DISABLED_JVM_FEATURES, $VALID_JVM_FEATURES $DEPRECATED_JVM_FEATURES)
296 if test "x$INVALID_FEATURES" != x; then
297 AC_MSG_NOTICE([Unknown JVM features specified: "$INVALID_FEATURES"])
298 AC_MSG_NOTICE([The available JVM features are: "$VALID_JVM_FEATURES"])
299 AC_MSG_ERROR([Cannot continue])
300 fi
301
302 # Check if the user has provided deprecated features
303 BASIC_GET_MATCHING_VALUES(DEPRECATED_FEATURES, $JVM_FEATURES $DISABLED_JVM_FEATURES, $DEPRECATED_JVM_FEATURES)
304 if test "x$DEPRECATED_FEATURES" != x; then
305 AC_MSG_WARN([Deprecated JVM features specified (will be ignored): "$DEPRECATED_FEATURES"])
306 # Filter out deprecated features
307 BASIC_GET_NON_MATCHING_VALUES(JVM_FEATURES, $JVM_FEATURES, $DEPRECATED_FEATURES)
308 BASIC_GET_NON_MATCHING_VALUES(DISABLED_JVM_FEATURES, $DISABLED_JVM_FEATURES, $DEPRECATED_FEATURES)
309 fi
310
311 fi
312
313 # Override hotspot cpu definitions for ARM platforms
314 if test "x$OPENJDK_TARGET_CPU" = xarm; then
315 HOTSPOT_TARGET_CPU=arm_32
316 HOTSPOT_TARGET_CPU_DEFINE="ARM32"
317 fi
318
319 # Verify that dependencies are met for explicitly set features.
320 if HOTSPOT_CHECK_JVM_FEATURE(jvmti) && ! HOTSPOT_CHECK_JVM_FEATURE(services); then
321 AC_MSG_ERROR([Specified JVM feature 'jvmti' requires feature 'services'])
322 fi
323
324 if HOTSPOT_CHECK_JVM_FEATURE(management) && ! HOTSPOT_CHECK_JVM_FEATURE(nmt); then
325 AC_MSG_ERROR([Specified JVM feature 'management' requires feature 'nmt'])
326 fi
327
328 if HOTSPOT_CHECK_JVM_FEATURE(jvmci) && ! (HOTSPOT_CHECK_JVM_FEATURE(compiler1) || HOTSPOT_CHECK_JVM_FEATURE(compiler2)); then
329 AC_MSG_ERROR([Specified JVM feature 'jvmci' requires feature 'compiler2' or 'compiler1'])
330 fi
331
332 if HOTSPOT_CHECK_JVM_FEATURE(cmsgc) && ! HOTSPOT_CHECK_JVM_FEATURE(serialgc); then
333 AC_MSG_ERROR([Specified JVM feature 'cmsgc' requires feature 'serialgc'])
334 fi
335
336 # Enable JFR by default, except for Zero, linux-sparcv9 and on minimal.
337 if ! HOTSPOT_CHECK_JVM_VARIANT(zero); then
338 if test "x$OPENJDK_TARGET_OS" != xaix; then
339 if test "x$OPENJDK_TARGET_OS" != xlinux || test "x$OPENJDK_TARGET_CPU" != xsparcv9; then
340 NON_MINIMAL_FEATURES="$NON_MINIMAL_FEATURES jfr"
341 fi
342 fi
343 fi
344
345 # Only enable Shenandoah on supported arches
346 AC_MSG_CHECKING([if shenandoah can be built])
347 # Temp diasable for Valhalla, working in Access API
348 if $VALHALLA_TEMP && (test "x$OPENJDK_TARGET_CPU_ARCH" = "xx86" || test "x$OPENJDK_TARGET_CPU" = "xaarch64"); then
349 AC_MSG_RESULT([yes])
350 else
351 DISABLED_JVM_FEATURES="$DISABLED_JVM_FEATURES shenandoahgc"
352 AC_MSG_RESULT([no, platform not supported])
353 fi
354
355 # Only enable ZGC on supported platforms
356 # Temp diasable for Valhalla, working in Access API
357 AC_MSG_CHECKING([if zgc can be built])
358 if ((test "x$OPENJDK_TARGET_OS" = "xlinux" && test "x$OPENJDK_TARGET_CPU" = "xx86_64") || \
359 (test "x$OPENJDK_TARGET_OS" = "xlinux" && test "x$OPENJDK_TARGET_CPU" = "xaarch64")); then
360 AC_MSG_RESULT([yes])
361 else
362 DISABLED_JVM_FEATURES="$DISABLED_JVM_FEATURES zgc"
363 AC_MSG_RESULT([no, platform not supported])
364 fi
365
366 # Disable unsupported GCs for Zero
367 if HOTSPOT_CHECK_JVM_VARIANT(zero); then
368 DISABLED_JVM_FEATURES="$DISABLED_JVM_FEATURES epsilongc g1gc zgc shenandoahgc"
369 fi
370
371 # Turn on additional features based on other parts of configure
372 if test "x$INCLUDE_DTRACE" = "xtrue"; then
373 JVM_FEATURES="$JVM_FEATURES dtrace"
374 else
375 if HOTSPOT_CHECK_JVM_FEATURE(dtrace); then
376 AC_MSG_ERROR([To enable dtrace, you must use --enable-dtrace])
377 fi
378 fi
379
380 if test "x$STATIC_BUILD" = "xtrue"; then
381 JVM_FEATURES="$JVM_FEATURES static-build"
382 else
383 if HOTSPOT_CHECK_JVM_FEATURE(static-build); then
384 AC_MSG_ERROR([To enable static-build, you must use --enable-static-build])
385 fi
386 fi
387
388 if ! HOTSPOT_CHECK_JVM_VARIANT(zero); then
389 if HOTSPOT_CHECK_JVM_FEATURE(zero); then
390 AC_MSG_ERROR([To enable zero, you must use --with-jvm-variants=zero])
391 fi
392 fi
393
394 AC_MSG_CHECKING([if jvmci module jdk.internal.vm.ci should be built])
395 # Check if jvmci is diabled
396 if HOTSPOT_IS_JVM_FEATURE_DISABLED(jvmci); then
397 AC_MSG_RESULT([no, forced])
398 JVM_FEATURES_jvmci=""
399 INCLUDE_JVMCI="false"
400 else
401 # Only enable jvmci on x86_64 and aarch64
402 if test "x$OPENJDK_TARGET_CPU" = "xx86_64" || \
403 test "x$OPENJDK_TARGET_CPU" = "xaarch64" ; then
404 AC_MSG_RESULT([yes])
405 JVM_FEATURES_jvmci="jvmci"
406 INCLUDE_JVMCI="true"
407 else
408 AC_MSG_RESULT([no])
409 JVM_FEATURES_jvmci=""
410 INCLUDE_JVMCI="false"
411 if HOTSPOT_CHECK_JVM_FEATURE(jvmci); then
412 AC_MSG_ERROR([JVMCI is currently not supported on this platform.])
413 fi
414 fi
415 fi
416
417 AC_SUBST(INCLUDE_JVMCI)
418
419 AC_MSG_CHECKING([if graal module jdk.internal.vm.compiler should be built])
420 # Check if graal is diabled
421 if HOTSPOT_IS_JVM_FEATURE_DISABLED(graal); then
422 AC_MSG_RESULT([no, forced])
423 JVM_FEATURES_graal=""
424 INCLUDE_GRAAL="false"
425 else
426 if HOTSPOT_CHECK_JVM_FEATURE(graal); then
427 AC_MSG_RESULT([yes, forced])
428 if test "x$JVM_FEATURES_jvmci" != "xjvmci" ; then
429 AC_MSG_ERROR([Specified JVM feature 'graal' requires feature 'jvmci'])
430 fi
431 JVM_FEATURES_graal="graal"
432 INCLUDE_GRAAL="true"
433 else
434 # By default enable graal build on x64 or where AOT is available.
435 # graal build requires jvmci.
436 if test "x$JVM_FEATURES_jvmci" = "xjvmci" && \
437 (test "x$OPENJDK_TARGET_CPU" = "xx86_64" || \
438 test "x$ENABLE_AOT" = "xtrue") ; then
439 AC_MSG_RESULT([yes])
440 JVM_FEATURES_graal="graal"
441 INCLUDE_GRAAL="true"
442 else
443 AC_MSG_RESULT([no])
444 JVM_FEATURES_graal=""
445 INCLUDE_GRAAL="false"
446 fi
447 fi
448 fi
449
450 AC_SUBST(INCLUDE_GRAAL)
451
452 # Disable aot with '--with-jvm-features=-aot'
453 if HOTSPOT_IS_JVM_FEATURE_DISABLED(aot); then
454 ENABLE_AOT="false"
455 fi
456
457 AC_MSG_CHECKING([if aot should be enabled])
458 if test "x$ENABLE_AOT" = "xtrue"; then
459 if test "x$JVM_FEATURES_graal" != "xgraal"; then
460 if test "x$enable_aot" = "xyes" || HOTSPOT_CHECK_JVM_FEATURE(aot); then
461 AC_MSG_RESULT([yes, forced])
462 AC_MSG_ERROR([Specified JVM feature 'aot' requires feature 'graal'])
463 else
464 AC_MSG_RESULT([no])
465 fi
466 JVM_FEATURES_aot=""
467 ENABLE_AOT="false"
468 else
469 if test "x$enable_aot" = "xyes" || HOTSPOT_CHECK_JVM_FEATURE(aot); then
470 AC_MSG_RESULT([yes, forced])
471 else
472 AC_MSG_RESULT([yes])
473 fi
474 JVM_FEATURES_aot="aot"
475 fi
476 else
477 if test "x$enable_aot" = "xno" || HOTSPOT_IS_JVM_FEATURE_DISABLED(aot); then
478 AC_MSG_RESULT([no, forced])
479 else
480 AC_MSG_RESULT([no])
481 fi
482 JVM_FEATURES_aot=""
483 if HOTSPOT_CHECK_JVM_FEATURE(aot); then
484 AC_MSG_ERROR([To enable aot, you must use --enable-aot])
485 fi
486 fi
487
488 AC_SUBST(ENABLE_AOT)
489
490 if test "x$OPENJDK_TARGET_CPU" = xarm ; then
491 # Default to use link time optimizations on minimal on arm
492 JVM_FEATURES_link_time_opt="link-time-opt"
493 else
494 JVM_FEATURES_link_time_opt=""
495 fi
496
497 # All variants but minimal (and custom) get these features
498 NON_MINIMAL_FEATURES="$NON_MINIMAL_FEATURES cmsgc g1gc parallelgc serialgc epsilongc shenandoahgc jni-check jvmti management nmt services vm-structs zgc"
499
500 # Disable CDS on AIX.
501 if test "x$OPENJDK_TARGET_OS" = "xaix"; then
502 ENABLE_CDS="false"
503 if test "x$enable_cds" = "xyes"; then
504 AC_MSG_ERROR([CDS is currently not supported on AIX. Remove --enable-cds.])
505 fi
506 fi
507
508 # Disable CDS if user requested it with --with-jvm-features=-cds.
509 if HOTSPOT_IS_JVM_FEATURE_DISABLED(cds); then
510 ENABLE_CDS="false"
511 if test "x$enable_cds" = "xyes"; then
512 AC_MSG_ERROR([CDS was disabled by --with-jvm-features=-cds. Remove --enable-cds.])
513 fi
514 fi
515
516 # Disable CDS for zero, minimal, core..
517 if HOTSPOT_CHECK_JVM_VARIANT(zero) || HOTSPOT_CHECK_JVM_VARIANT(minimal) || HOTSPOT_CHECK_JVM_VARIANT(core); then
518 # ..except when the user explicitely requested it with --enable-jvm-features
519 if ! HOTSPOT_CHECK_JVM_FEATURE(cds); then
520 ENABLE_CDS="false"
521 if test "x$enable_cds" = "xyes"; then
522 AC_MSG_ERROR([CDS not implemented for variants zero, minimal, core. Remove --enable-cds.])
523 fi
524 fi
525 fi
526
527 AC_MSG_CHECKING([if cds should be enabled])
528 if test "x$ENABLE_CDS" = "xtrue"; then
529 if test "x$enable_cds" = "xyes"; then
530 AC_MSG_RESULT([yes, forced])
531 else
532 AC_MSG_RESULT([yes])
533 fi
534 NON_MINIMAL_FEATURES="$NON_MINIMAL_FEATURES cds"
535 else
536 if test "x$enable_cds" = "xno"; then
537 AC_MSG_RESULT([no, forced])
538 else
539 AC_MSG_RESULT([no])
540 fi
541 fi
542
543 # Enable features depending on variant.
544 JVM_FEATURES_server="compiler1 compiler2 $NON_MINIMAL_FEATURES $JVM_FEATURES $JVM_FEATURES_jvmci $JVM_FEATURES_aot $JVM_FEATURES_graal"
545 JVM_FEATURES_client="compiler1 $NON_MINIMAL_FEATURES $JVM_FEATURES"
546 JVM_FEATURES_core="$NON_MINIMAL_FEATURES $JVM_FEATURES"
547 JVM_FEATURES_minimal="compiler1 minimal serialgc $JVM_FEATURES $JVM_FEATURES_link_time_opt"
548 JVM_FEATURES_zero="zero $NON_MINIMAL_FEATURES $JVM_FEATURES"
549 JVM_FEATURES_custom="$JVM_FEATURES"
550
551 AC_SUBST(JVM_FEATURES_server)
552 AC_SUBST(JVM_FEATURES_client)
553 AC_SUBST(JVM_FEATURES_core)
554 AC_SUBST(JVM_FEATURES_minimal)
555 AC_SUBST(JVM_FEATURES_zero)
556 AC_SUBST(JVM_FEATURES_custom)
557
558 # Used for verification of Makefiles by check-jvm-feature
559 AC_SUBST(VALID_JVM_FEATURES)
560
561 # --with-cpu-port is no longer supported
562 BASIC_DEPRECATED_ARG_WITH(with-cpu-port)
563 ])
564
565 ###############################################################################
566 # Finalize JVM features once all setup is complete, including custom setup.
567 #
568 AC_DEFUN_ONCE([HOTSPOT_FINALIZE_JVM_FEATURES],
569 [
570 for variant in $JVM_VARIANTS; do
571 AC_MSG_CHECKING([JVM features for JVM variant '$variant'])
572 features_var_name=JVM_FEATURES_$variant
573 JVM_FEATURES_FOR_VARIANT=${!features_var_name}
574
575 # Filter out user-requested disabled features
576 BASIC_GET_NON_MATCHING_VALUES(JVM_FEATURES_FOR_VARIANT, $JVM_FEATURES_FOR_VARIANT, $DISABLED_JVM_FEATURES)
577
578 # Keep feature lists sorted and free of duplicates
579 BASIC_SORT_LIST(JVM_FEATURES_FOR_VARIANT, $JVM_FEATURES_FOR_VARIANT)
580
581 # Update real feature set variable
582 eval $features_var_name='"'$JVM_FEATURES_FOR_VARIANT'"'
583 AC_MSG_RESULT(["$JVM_FEATURES_FOR_VARIANT"])
584
585 # Verify that we have at least one gc selected
586 GC_FEATURES=`$ECHO $JVM_FEATURES_FOR_VARIANT | $GREP gc`
587 if test "x$GC_FEATURES" = x; then
588 AC_MSG_WARN([Invalid JVM features: No gc selected for variant $variant.])
589 fi
590
591 # Validate features (for configure script errors, not user errors)
592 BASIC_GET_NON_MATCHING_VALUES(INVALID_FEATURES, $JVM_FEATURES_FOR_VARIANT, $VALID_JVM_FEATURES)
593 if test "x$INVALID_FEATURES" != x; then
594 AC_MSG_ERROR([Internal configure script error. Invalid JVM feature(s): $INVALID_FEATURES])
595 fi
596 done
597 ])
598
599 ################################################################################
600 # Check if gtest should be built
601 #
602 AC_DEFUN_ONCE([HOTSPOT_ENABLE_DISABLE_GTEST],
603 [
604 AC_ARG_ENABLE([hotspot-gtest], [AS_HELP_STRING([--disable-hotspot-gtest],
605 [Disables building of the Hotspot unit tests @<:@enabled@:>@])])
606
607 if test -e "${TOPDIR}/test/hotspot/gtest"; then
608 GTEST_DIR_EXISTS="true"
609 else
610 GTEST_DIR_EXISTS="false"
611 fi
612
613 AC_MSG_CHECKING([if Hotspot gtest unit tests should be built])
614 if test "x$enable_hotspot_gtest" = "xyes"; then
615 if test "x$GTEST_DIR_EXISTS" = "xtrue"; then
616 AC_MSG_RESULT([yes, forced])
617 BUILD_GTEST="true"
618 else
619 AC_MSG_ERROR([Cannot build gtest without the test source])
620 fi
621 elif test "x$enable_hotspot_gtest" = "xno"; then
622 AC_MSG_RESULT([no, forced])
623 BUILD_GTEST="false"
624 elif test "x$enable_hotspot_gtest" = "x"; then
625 if test "x$GTEST_DIR_EXISTS" = "xtrue"; then
626 AC_MSG_RESULT([yes])
627 BUILD_GTEST="true"
628 else
629 AC_MSG_RESULT([no])
630 BUILD_GTEST="false"
631 fi
632 else
633 AC_MSG_ERROR([--enable-gtest must be either yes or no])
634 fi
635
636 AC_SUBST(BUILD_GTEST)
637 ])