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