198 [
 199   AC_ARG_ENABLE([aot], [AS_HELP_STRING([--enable-aot@<:@=yes/no/auto@:>@],
 200       [enable ahead of time compilation feature. Default is auto, where aot is enabled if all dependencies are present.])])
 201 
 202   if test "x$enable_aot" = "x" || test "x$enable_aot" = "xauto"; then
 203     ENABLE_AOT="true"
 204   elif test "x$enable_aot" = "xyes"; then
 205     ENABLE_AOT="true"
 206   elif test "x$enable_aot" = "xno"; then
 207     ENABLE_AOT="false"
 208     AC_MSG_CHECKING([if aot should be enabled])
 209     AC_MSG_RESULT([no, forced])
 210   else
 211     AC_MSG_ERROR([Invalid value for --enable-aot: $enable_aot])
 212   fi
 213 
 214   if test "x$ENABLE_AOT" = "xtrue"; then
 215     # Only enable AOT on linux-X64.
 216     if test "x$OPENJDK_TARGET_OS-$OPENJDK_TARGET_CPU" = "xlinux-x86_64"; then
 217       if test -e "$HOTSPOT_TOPDIR/src/jdk.aot"; then
 218         if test -e "$HOTSPOT_TOPDIR/src/jdk.vm.compiler"; then
 219           ENABLE_AOT="true"
 220         else
 221           ENABLE_AOT="false"
 222           if test "x$enable_aot" = "xyes"; then
 223             AC_MSG_ERROR([Cannot build AOT without hotspot/src/jdk.vm.compiler sources. Remove --enable-aot.])
 224           fi
 225         fi
 226       else
 227         ENABLE_AOT="false"
 228         if test "x$enable_aot" = "xyes"; then
 229           AC_MSG_ERROR([Cannot build AOT without hotspot/src/jdk.aot 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([AOT is currently only supported on Linux-x86_64. Remove --enable-aot.])
 236       fi
 237     fi
 238   fi
 239 
 240   AC_SUBST(ENABLE_AOT)
 241 ])
 242 
 243 ###############################################################################

 310     if HOTSPOT_CHECK_JVM_FEATURE(zero); then
 311       AC_MSG_ERROR([To enable zero/zeroshark, you must use --with-jvm-variants=zero/zeroshark])
 312     fi
 313   fi
 314 
 315   if ! HOTSPOT_CHECK_JVM_VARIANT(zeroshark); then
 316     if HOTSPOT_CHECK_JVM_FEATURE(shark); then
 317       AC_MSG_ERROR([To enable shark, you must use --with-jvm-variants=zeroshark])
 318     fi
 319   fi
 320 
 321   # Only enable jvmci on x86_64, sparcv9 and aarch64.
 322   if test "x$OPENJDK_TARGET_CPU" = "xx86_64" || \
 323      test "x$OPENJDK_TARGET_CPU" = "xsparcv9" || \
 324      test "x$OPENJDK_TARGET_CPU" = "xaarch64" ; then
 325     JVM_FEATURES_jvmci="jvmci"
 326   else
 327     JVM_FEATURES_jvmci=""
 328   fi
 329 
 330   AC_MSG_CHECKING([if jdk.vm.compiler should be built])
 331   if HOTSPOT_CHECK_JVM_FEATURE(graal); then
 332     AC_MSG_RESULT([yes, forced])
 333     if test "x$JVM_FEATURES_jvmci" != "xjvmci" ; then
 334       AC_MSG_ERROR([Specified JVM feature 'graal' requires feature 'jvmci'])
 335     fi
 336     INCLUDE_GRAAL="true"
 337   else
 338     # By default enable graal build where AOT is available
 339     if test "x$ENABLE_AOT" = "xtrue"; then
 340       AC_MSG_RESULT([yes])
 341       JVM_FEATURES_graal="graal"
 342       INCLUDE_GRAAL="true"
 343     else
 344       AC_MSG_RESULT([no])
 345       JVM_FEATURES_graal=""
 346       INCLUDE_GRAAL="false"
 347     fi
 348   fi
 349 
 350   AC_SUBST(INCLUDE_GRAAL)

 198 [
 199   AC_ARG_ENABLE([aot], [AS_HELP_STRING([--enable-aot@<:@=yes/no/auto@:>@],
 200       [enable ahead of time compilation feature. Default is auto, where aot is enabled if all dependencies are present.])])
 201 
 202   if test "x$enable_aot" = "x" || test "x$enable_aot" = "xauto"; then
 203     ENABLE_AOT="true"
 204   elif test "x$enable_aot" = "xyes"; then
 205     ENABLE_AOT="true"
 206   elif test "x$enable_aot" = "xno"; then
 207     ENABLE_AOT="false"
 208     AC_MSG_CHECKING([if aot should be enabled])
 209     AC_MSG_RESULT([no, forced])
 210   else
 211     AC_MSG_ERROR([Invalid value for --enable-aot: $enable_aot])
 212   fi
 213 
 214   if test "x$ENABLE_AOT" = "xtrue"; then
 215     # Only enable AOT on linux-X64.
 216     if test "x$OPENJDK_TARGET_OS-$OPENJDK_TARGET_CPU" = "xlinux-x86_64"; then
 217       if test -e "$HOTSPOT_TOPDIR/src/jdk.aot"; then
 218         if test -e "$HOTSPOT_TOPDIR/src/jdk.internal.vm.compiler"; then
 219           ENABLE_AOT="true"
 220         else
 221           ENABLE_AOT="false"
 222           if test "x$enable_aot" = "xyes"; then
 223             AC_MSG_ERROR([Cannot build AOT without hotspot/src/jdk.internal.vm.compiler sources. Remove --enable-aot.])
 224           fi
 225         fi
 226       else
 227         ENABLE_AOT="false"
 228         if test "x$enable_aot" = "xyes"; then
 229           AC_MSG_ERROR([Cannot build AOT without hotspot/src/jdk.aot 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([AOT is currently only supported on Linux-x86_64. Remove --enable-aot.])
 236       fi
 237     fi
 238   fi
 239 
 240   AC_SUBST(ENABLE_AOT)
 241 ])
 242 
 243 ###############################################################################

 310     if HOTSPOT_CHECK_JVM_FEATURE(zero); then
 311       AC_MSG_ERROR([To enable zero/zeroshark, you must use --with-jvm-variants=zero/zeroshark])
 312     fi
 313   fi
 314 
 315   if ! HOTSPOT_CHECK_JVM_VARIANT(zeroshark); then
 316     if HOTSPOT_CHECK_JVM_FEATURE(shark); then
 317       AC_MSG_ERROR([To enable shark, you must use --with-jvm-variants=zeroshark])
 318     fi
 319   fi
 320 
 321   # Only enable jvmci on x86_64, sparcv9 and aarch64.
 322   if test "x$OPENJDK_TARGET_CPU" = "xx86_64" || \
 323      test "x$OPENJDK_TARGET_CPU" = "xsparcv9" || \
 324      test "x$OPENJDK_TARGET_CPU" = "xaarch64" ; then
 325     JVM_FEATURES_jvmci="jvmci"
 326   else
 327     JVM_FEATURES_jvmci=""
 328   fi
 329 
 330   AC_MSG_CHECKING([if jdk.internal.vm.compiler should be built])
 331   if HOTSPOT_CHECK_JVM_FEATURE(graal); then
 332     AC_MSG_RESULT([yes, forced])
 333     if test "x$JVM_FEATURES_jvmci" != "xjvmci" ; then
 334       AC_MSG_ERROR([Specified JVM feature 'graal' requires feature 'jvmci'])
 335     fi
 336     INCLUDE_GRAAL="true"
 337   else
 338     # By default enable graal build where AOT is available
 339     if test "x$ENABLE_AOT" = "xtrue"; then
 340       AC_MSG_RESULT([yes])
 341       JVM_FEATURES_graal="graal"
 342       INCLUDE_GRAAL="true"
 343     else
 344       AC_MSG_RESULT([no])
 345       JVM_FEATURES_graal=""
 346       INCLUDE_GRAAL="false"
 347     fi
 348   fi
 349 
 350   AC_SUBST(INCLUDE_GRAAL)