1 #
   2 # Copyright (c) 2011, 2016, 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 shark minimal dtrace jvmti jvmci \
  28     fprof vm-structs jni-check services management all-gcs nmt cds static-build aot"
  29 
  30 # All valid JVM variants
  31 VALID_JVM_VARIANTS="server client minimal core zero zeroshark custom"
  32 
  33 ###############################################################################
  34 # Check if the specified JVM variant should be built. To be used in shell if
  35 # constructs, like this:
  36 # if HOTSPOT_CHECK_JVM_VARIANT(server); then
  37 #
  38 # Only valid to use after HOTSPOT_SETUP_JVM_VARIANTS has setup variants.
  39 
  40 # Definition kept in one line to allow inlining in if statements.
  41 # Additional [] needed to keep m4 from mangling shell constructs.
  42 AC_DEFUN([HOTSPOT_CHECK_JVM_VARIANT],
  43 [ [ [[ " $JVM_VARIANTS " =~ " $1 " ]] ] ])
  44 
  45 ###############################################################################
  46 # Check if the specified JVM features are explicitly enabled. To be used in
  47 # shell if constructs, like this:
  48 # if HOTSPOT_CHECK_JVM_FEATURE(jvmti); then
  49 #
  50 # Only valid to use after HOTSPOT_SETUP_JVM_FEATURES has setup features.
  51 
  52 # Definition kept in one line to allow inlining in if statements.
  53 # Additional [] needed to keep m4 from mangling shell constructs.
  54 AC_DEFUN([HOTSPOT_CHECK_JVM_FEATURE],
  55 [ [ [[ " $JVM_FEATURES " =~ " $1 " ]] ] ])
  56 
  57 ###############################################################################
  58 # Check which variants of the JVM that we want to build. Available variants are:
  59 #   server: normal interpreter, and a tiered C1/C2 compiler
  60 #   client: normal interpreter, and C1 (no C2 compiler)
  61 #   minimal: reduced form of client with optional features stripped out
  62 #   core: normal interpreter only, no compiler
  63 #   zero: C++ based interpreter only, no compiler
  64 #   zeroshark: C++ based interpreter, and a llvm-based compiler
  65 #   custom: baseline JVM with no default features
  66 #
  67 AC_DEFUN_ONCE([HOTSPOT_SETUP_JVM_VARIANTS],
  68 [
  69   AC_ARG_WITH([jvm-variants], [AS_HELP_STRING([--with-jvm-variants],
  70       [JVM variants (separated by commas) to build (server,client,minimal,core,zero,zeroshark,custom) @<:@server@:>@])])
  71 
  72   if test "x$with_jvm_variants" = x; then
  73     with_jvm_variants="server"
  74   fi
  75   JVM_VARIANTS_OPT="$with_jvm_variants"
  76 
  77   # Has the user listed more than one variant?
  78   # Additional [] needed to keep m4 from mangling shell constructs.
  79   if [ [[ "$JVM_VARIANTS_OPT" =~ "," ]] ]; then
  80     BUILDING_MULTIPLE_JVM_VARIANTS=true
  81   else
  82     BUILDING_MULTIPLE_JVM_VARIANTS=false
  83   fi
  84   # Replace the commas with AND for use in the build directory name.
  85   JVM_VARIANTS_WITH_AND=`$ECHO "$JVM_VARIANTS_OPT" | $SED -e 's/,/AND/g'`
  86 
  87   AC_MSG_CHECKING([which variants of the JVM to build])
  88   # JVM_VARIANTS is a space-separated list.
  89   # Also use minimal, not minimal1 (which is kept for backwards compatibility).
  90   JVM_VARIANTS=`$ECHO $JVM_VARIANTS_OPT | $SED -e 's/,/ /g' -e 's/minimal1/minimal/'`
  91   AC_MSG_RESULT([$JVM_VARIANTS])
  92 
  93   # Check that the selected variants are valid
  94 
  95   # grep filter function inspired by a comment to http://stackoverflow.com/a/1617326
  96   # Notice that the original variant failes on SLES 10 and 11
  97   NEEDLE=${VALID_JVM_VARIANTS// /$'\n'}
  98   STACK=${JVM_VARIANTS// /$'\n'}
  99   INVALID_VARIANTS=`$GREP -Fvx "${NEEDLE}" <<< "${STACK}"`
 100   if test "x$INVALID_VARIANTS" != x; then
 101     AC_MSG_NOTICE([Unknown variant(s) specified: $INVALID_VARIANTS])
 102     AC_MSG_ERROR([The available JVM variants are: $VALID_JVM_VARIANTS])
 103   fi
 104 
 105   # All "special" variants share the same output directory ("server")
 106   VALID_MULTIPLE_JVM_VARIANTS="server client minimal"
 107   NEEDLE=${VALID_MULTIPLE_JVM_VARIANTS// /$'\n'}
 108   STACK=${JVM_VARIANTS// /$'\n'}
 109   INVALID_MULTIPLE_VARIANTS=`$GREP -Fvx "${NEEDLE}" <<< "${STACK}"`
 110   if  test "x$INVALID_MULTIPLE_VARIANTS" != x && test "x$BUILDING_MULTIPLE_JVM_VARIANTS" = xtrue; then
 111     AC_MSG_ERROR([You cannot build multiple variants with anything else than $VALID_MULTIPLE_JVM_VARIANTS.])
 112   fi
 113 
 114   AC_SUBST(JVM_VARIANTS)
 115   AC_SUBST(VALID_JVM_VARIANTS)
 116 
 117   if HOTSPOT_CHECK_JVM_VARIANT(zero) || HOTSPOT_CHECK_JVM_VARIANT(zeroshark); then
 118     # zero behaves as a platform and rewrites these values. This is really weird. :(
 119     # We are guaranteed that we do not build any other variants when building zero.
 120     HOTSPOT_TARGET_CPU=zero
 121     HOTSPOT_TARGET_CPU_ARCH=zero
 122   fi
 123 ])
 124 
 125 ###############################################################################
 126 # Check if dtrace should be enabled and has all prerequisites present.
 127 #
 128 AC_DEFUN_ONCE([HOTSPOT_SETUP_DTRACE],
 129 [
 130   # Test for dtrace dependencies
 131   AC_ARG_ENABLE([dtrace], [AS_HELP_STRING([--enable-dtrace@<:@=yes/no/auto@:>@],
 132       [enable dtrace. Default is auto, where dtrace is enabled if all dependencies
 133       are present.])])
 134 
 135   DTRACE_DEP_MISSING=false
 136 
 137   AC_MSG_CHECKING([for dtrace tool])
 138   if test "x$DTRACE" != "x" && test -x "$DTRACE"; then
 139     AC_MSG_RESULT([$DTRACE])
 140   else
 141     AC_MSG_RESULT([not found, cannot build dtrace])
 142     DTRACE_DEP_MISSING=true
 143   fi
 144 
 145   AC_CHECK_HEADERS([sys/sdt.h], [DTRACE_HEADERS_OK=yes],[DTRACE_HEADERS_OK=no])
 146   if test "x$DTRACE_HEADERS_OK" != "xyes"; then
 147     DTRACE_DEP_MISSING=true
 148   fi
 149 
 150   AC_MSG_CHECKING([if dtrace should be built])
 151   if test "x$enable_dtrace" = "xyes"; then
 152     if test "x$DTRACE_DEP_MISSING" = "xtrue"; then
 153       AC_MSG_RESULT([no, missing dependencies])
 154       HELP_MSG_MISSING_DEPENDENCY([dtrace])
 155       AC_MSG_ERROR([Cannot enable dtrace with missing dependencies. See above. $HELP_MSG])
 156     else
 157       INCLUDE_DTRACE=true
 158       AC_MSG_RESULT([yes, forced])
 159     fi
 160   elif test "x$enable_dtrace" = "xno"; then
 161     INCLUDE_DTRACE=false
 162     AC_MSG_RESULT([no, forced])
 163   elif test "x$enable_dtrace" = "xauto" || test "x$enable_dtrace" = "x"; then
 164     if test "x$DTRACE_DEP_MISSING" = "xtrue"; then
 165       INCLUDE_DTRACE=false
 166       AC_MSG_RESULT([no, missing dependencies])
 167     else
 168       INCLUDE_DTRACE=true
 169       AC_MSG_RESULT([yes, dependencies present])
 170     fi
 171   else
 172     AC_MSG_ERROR([Invalid value for --enable-dtrace: $enable_dtrace])
 173   fi
 174   AC_SUBST(INCLUDE_DTRACE)
 175 ])
 176 
 177 ################################################################################
 178 # Check if AOT should be enabled
 179 #
 180 AC_DEFUN_ONCE([HOTSPOT_ENABLE_DISABLE_AOT],
 181 [
 182   AC_ARG_ENABLE([aot], [AS_HELP_STRING([--enable-aot@<:@=yes/no/auto@:>@],
 183       [enable ahead of time compilation feature. Default is auto, where aot is enabled if all dependencies are present.])])
 184 
 185   if test "x$enable_aot" = "x" || test "x$enable_aot" = "xauto"; then
 186     ENABLE_AOT="true"
 187   elif test "x$enable_aot" = "xyes"; then
 188     ENABLE_AOT="true"
 189   elif test "x$enable_aot" = "xno"; then
 190     ENABLE_AOT="false"
 191     AC_MSG_CHECKING([if aot should be enabled])
 192     AC_MSG_RESULT([no, forced])
 193   else
 194     AC_MSG_ERROR([Invalid value for --enable-aot: $enable_aot])
 195   fi
 196 
 197   if test "x$ENABLE_AOT" = "xtrue"; then
 198     # Only enable AOT on linux-X64.
 199     if test "x$OPENJDK_TARGET_OS-$OPENJDK_TARGET_CPU" = "xlinux-x86_64"; then
 200       if test -e "$HOTSPOT_TOPDIR/src/jdk.aot"; then
 201         if test -e "$HOTSPOT_TOPDIR/src/jdk.vm.compiler"; then
 202           ENABLE_AOT="true"
 203         else
 204           ENABLE_AOT="false"
 205           if test "x$enable_aot" = "xyes"; then
 206             AC_MSG_ERROR([Cannot build AOT without hotspot/src/jdk.vm.compiler sources. Remove --enable-aot.])
 207           fi
 208         fi
 209       else
 210         ENABLE_AOT="false"
 211         if test "x$enable_aot" = "xyes"; then
 212           AC_MSG_ERROR([Cannot build AOT without hotspot/src/jdk.aot sources. Remove --enable-aot.])
 213         fi
 214       fi
 215     else
 216       ENABLE_AOT="false"
 217       if test "x$enable_aot" = "xyes"; then
 218         AC_MSG_ERROR([AOT is currently only supported on Linux-x86_64. Remove --enable-aot.])
 219       fi
 220     fi
 221   fi
 222 
 223   AC_SUBST(ENABLE_AOT)
 224 ])
 225 
 226 ###############################################################################
 227 # Set up all JVM features for each JVM variant.
 228 #
 229 AC_DEFUN_ONCE([HOTSPOT_SETUP_JVM_FEATURES],
 230 [
 231   # The user can in some cases supply additional jvm features. For the custom
 232   # variant, this defines the entire variant.
 233   AC_ARG_WITH([jvm-features], [AS_HELP_STRING([--with-jvm-features],
 234       [additional JVM features to enable (separated by comma),  use '--help' to show possible values @<:@none@:>@])])
 235   if test "x$with_jvm_features" != x; then
 236     AC_MSG_CHECKING([additional JVM features])
 237     JVM_FEATURES=`$ECHO $with_jvm_features | $SED -e 's/,/ /g'`
 238     AC_MSG_RESULT([$JVM_FEATURES])
 239   fi
 240 
 241   # Verify that dependencies are met for explicitly set features.
 242   if HOTSPOT_CHECK_JVM_FEATURE(jvmti) && ! HOTSPOT_CHECK_JVM_FEATURE(services); then
 243     AC_MSG_ERROR([Specified JVM feature 'jvmti' requires feature 'services'])
 244   fi
 245 
 246   if HOTSPOT_CHECK_JVM_FEATURE(management) && ! HOTSPOT_CHECK_JVM_FEATURE(nmt); then
 247     AC_MSG_ERROR([Specified JVM feature 'management' requires feature 'nmt'])
 248   fi
 249 
 250   if HOTSPOT_CHECK_JVM_FEATURE(jvmci) && ! (HOTSPOT_CHECK_JVM_FEATURE(compiler1) || HOTSPOT_CHECK_JVM_FEATURE(compiler2)); then
 251     AC_MSG_ERROR([Specified JVM feature 'jvmci' requires feature 'compiler2' or 'compiler1'])
 252   fi
 253 
 254   if HOTSPOT_CHECK_JVM_FEATURE(compiler2) && ! HOTSPOT_CHECK_JVM_FEATURE(all-gcs); then
 255     AC_MSG_ERROR([Specified JVM feature 'compiler2' requires feature 'all-gcs'])
 256   fi
 257 
 258   if HOTSPOT_CHECK_JVM_FEATURE(vm-structs) && ! HOTSPOT_CHECK_JVM_FEATURE(all-gcs); then
 259     AC_MSG_ERROR([Specified JVM feature 'vm-structs' requires feature 'all-gcs'])
 260   fi
 261 
 262   # Turn on additional features based on other parts of configure
 263   if test "x$INCLUDE_DTRACE" = "xtrue"; then
 264     JVM_FEATURES="$JVM_FEATURES dtrace"
 265   else
 266     if HOTSPOT_CHECK_JVM_FEATURE(dtrace); then
 267       AC_MSG_ERROR([To enable dtrace, you must use --enable-dtrace])
 268     fi
 269   fi
 270 
 271   if test "x$STATIC_BUILD" = "xtrue"; then
 272     JVM_FEATURES="$JVM_FEATURES static-build"
 273   else
 274     if HOTSPOT_CHECK_JVM_FEATURE(static-build); then
 275       AC_MSG_ERROR([To enable static-build, you must use --enable-static-build])
 276     fi
 277   fi
 278 
 279   if ! HOTSPOT_CHECK_JVM_VARIANT(zero) && ! HOTSPOT_CHECK_JVM_VARIANT(zeroshark); then
 280     if HOTSPOT_CHECK_JVM_FEATURE(zero); then
 281       AC_MSG_ERROR([To enable zero/zeroshark, you must use --with-jvm-variants=zero/zeroshark])
 282     fi
 283   fi
 284 
 285   if ! HOTSPOT_CHECK_JVM_VARIANT(zeroshark); then
 286     if HOTSPOT_CHECK_JVM_FEATURE(shark); then
 287       AC_MSG_ERROR([To enable shark, you must use --with-jvm-variants=zeroshark])
 288     fi
 289   fi
 290 
 291   # Only enable jvmci on x86_64, sparcv9 and aarch64.
 292   if test "x$OPENJDK_TARGET_CPU" = "xx86_64" || \
 293       test "x$OPENJDK_TARGET_CPU" = "xsparcv9" || \
 294       test "x$OPENJDK_TARGET_CPU" = "xaarch64" ; then
 295     JVM_FEATURES_jvmci="jvmci"
 296   else
 297     JVM_FEATURES_jvmci=""
 298   fi
 299 
 300   AC_MSG_CHECKING([if aot should be enabled])
 301   if test "x$ENABLE_AOT" = "xtrue"; then
 302     if test "x$enable_aot" = "xyes"; then
 303       AC_MSG_RESULT([yes, forced])
 304     else
 305       AC_MSG_RESULT([yes])
 306     fi
 307     JVM_FEATURES_aot="aot"
 308   else
 309     if test "x$enable_aot" = "xno"; then
 310       AC_MSG_RESULT([no, forced])
 311     else
 312       AC_MSG_RESULT([no])
 313     fi
 314     JVM_FEATURES_aot=""
 315   fi
 316 
 317   # All variants but minimal (and custom) get these features
 318   NON_MINIMAL_FEATURES="$NON_MINIMAL_FEATURES jvmti fprof vm-structs jni-check services management all-gcs nmt cds"
 319 
 320   # Enable features depending on variant.
 321   JVM_FEATURES_server="compiler1 compiler2 $NON_MINIMAL_FEATURES $JVM_FEATURES $JVM_FEATURES_jvmci $JVM_FEATURES_aot"
 322   JVM_FEATURES_client="compiler1 $NON_MINIMAL_FEATURES $JVM_FEATURES $JVM_FEATURES_jvmci"
 323   JVM_FEATURES_core="$NON_MINIMAL_FEATURES $JVM_FEATURES"
 324   JVM_FEATURES_minimal="compiler1 minimal $JVM_FEATURES"
 325   JVM_FEATURES_zero="zero $NON_MINIMAL_FEATURES $JVM_FEATURES"
 326   JVM_FEATURES_zeroshark="zero shark $NON_MINIMAL_FEATURES $JVM_FEATURES"
 327   JVM_FEATURES_custom="$JVM_FEATURES"
 328 
 329   AC_SUBST(JVM_FEATURES_server)
 330   AC_SUBST(JVM_FEATURES_client)
 331   AC_SUBST(JVM_FEATURES_core)
 332   AC_SUBST(JVM_FEATURES_minimal)
 333   AC_SUBST(JVM_FEATURES_zero)
 334   AC_SUBST(JVM_FEATURES_zeroshark)
 335   AC_SUBST(JVM_FEATURES_custom)
 336 
 337   # Used for verification of Makefiles by check-jvm-feature
 338   AC_SUBST(VALID_JVM_FEATURES)
 339 
 340   # We don't support --with-jvm-interpreter anymore, use zero instead.
 341   BASIC_DEPRECATED_ARG_WITH(jvm-interpreter)
 342 ])
 343 
 344 ###############################################################################
 345 # Validate JVM features once all setup is complete, including custom setup.
 346 #
 347 AC_DEFUN_ONCE([HOTSPOT_VALIDATE_JVM_FEATURES],
 348 [
 349   # Keep feature lists sorted and free of duplicates
 350   JVM_FEATURES_server="$($ECHO $($PRINTF '%s\n' $JVM_FEATURES_server | $SORT -u))"
 351   JVM_FEATURES_client="$($ECHO $($PRINTF '%s\n' $JVM_FEATURES_client | $SORT -u))"
 352   JVM_FEATURES_core="$($ECHO $($PRINTF '%s\n' $JVM_FEATURES_core | $SORT -u))"
 353   JVM_FEATURES_minimal="$($ECHO $($PRINTF '%s\n' $JVM_FEATURES_minimal | $SORT -u))"
 354   JVM_FEATURES_zero="$($ECHO $($PRINTF '%s\n' $JVM_FEATURES_zero | $SORT -u))"
 355   JVM_FEATURES_zeroshark="$($ECHO $($PRINTF '%s\n' $JVM_FEATURES_zeroshark | $SORT -u))"
 356   JVM_FEATURES_custom="$($ECHO $($PRINTF '%s\n' $JVM_FEATURES_custom | $SORT -u))"
 357 
 358   # Validate features
 359   for variant in $JVM_VARIANTS; do
 360     AC_MSG_CHECKING([JVM features for JVM variant '$variant'])
 361     features_var_name=JVM_FEATURES_$variant
 362     JVM_FEATURES_TO_TEST=${!features_var_name}
 363     AC_MSG_RESULT([$JVM_FEATURES_TO_TEST])
 364     NEEDLE=${VALID_JVM_FEATURES// /$'\n'}
 365     STACK=${JVM_FEATURES_TO_TEST// /$'\n'}
 366     INVALID_FEATURES=`$GREP -Fvx "${NEEDLE}" <<< "${STACK}"`
 367     if test "x$INVALID_FEATURES" != x; then
 368       AC_MSG_ERROR([Invalid JVM feature(s): $INVALID_FEATURES])
 369     fi
 370   done
 371 ])
 372 
 373 ################################################################################
 374 # Check if gtest should be built
 375 #
 376 AC_DEFUN_ONCE([HOTSPOT_ENABLE_DISABLE_GTEST],
 377 [
 378   AC_ARG_ENABLE([hotspot-gtest], [AS_HELP_STRING([--disable-hotspot-gtest],
 379       [Disables building of the Hotspot unit tests])])
 380 
 381   if test -e "$HOTSPOT_TOPDIR/test/native"; then
 382     GTEST_DIR_EXISTS="true"
 383   else
 384     GTEST_DIR_EXISTS="false"
 385   fi
 386 
 387   AC_MSG_CHECKING([if Hotspot gtest unit tests should be built])
 388   if test "x$enable_hotspot_gtest" = "xyes"; then
 389     if test "x$GTEST_DIR_EXISTS" = "xtrue"; then
 390       AC_MSG_RESULT([yes, forced])
 391       BUILD_GTEST="true"
 392     else
 393       AC_MSG_ERROR([Cannot build gtest without the test source])
 394     fi
 395   elif test "x$enable_hotspot_gtest" = "xno"; then
 396     AC_MSG_RESULT([no, forced])
 397     BUILD_GTEST="false"
 398   elif test "x$enable_hotspot_gtest" = "x"; then
 399     if test "x$GTEST_DIR_EXISTS" = "xtrue" && test "x$OPENJDK_TARGET_OS" != "xaix"; then
 400       AC_MSG_RESULT([yes])
 401       BUILD_GTEST="true"
 402     else
 403       AC_MSG_RESULT([no])
 404       BUILD_GTEST="false"
 405     fi
 406   else
 407     AC_MSG_ERROR([--enable-gtest must be either yes or no])
 408   fi
 409 
 410   AC_SUBST(BUILD_GTEST)
 411 ])