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# Support for building boot cycle builds

# First include the real base spec.gmk file
include @SPEC@

# Check that the user did not try to specify a different java to use for compiling.
# On windows we need to account for fixpath being first word.
ifeq ($(firstword $(JAVA)),$(FIXPATH))
  JAVA_EXEC_POS=2
else
  JAVA_EXEC_POS=1
endif
ifneq ($(word $(JAVA_EXEC_POS),$(SJAVAC_SERVER_JAVA)),$(word $(JAVA_EXEC_POS),$(JAVA)))
  $(error Bootcycle builds are not possible if --with-sjavac-server-java is specified)
endif


# Override specific values to do a boot cycle build

# Use a different Boot JDK
BOOT_JDK := $(JDK_IMAGE_DIR)

# The bootcycle build has a different output directory
OLD_OUTPUTDIR:=@OUTPUTDIR@
OUTPUTDIR:=$(OLD_OUTPUTDIR)/bootcycle-build
SJAVAC_SERVER_DIR:=$(patsubst $(OLD_OUTPUTDIR)%, $(OUTPUTDIR)%, $(SJAVAC_SERVER_DIR))

JAVA_CMD:=$(BOOT_JDK)/bin/java
JAVAC_CMD:=$(BOOT_JDK)/bin/javac
JAR_CMD:=$(BOOT_JDK)/bin/jar
JARSIGNER_CMD:=$(BOOT_JDK)/bin/jarsigner
SJAVAC_SERVER_JAVA_CMD:=$(JAVA_CMD)
# When building a 32bit target, make sure the sjavac server flags are compatible
# with a 32bit JVM.
ifeq ($(OPENJDK_TARGET_CPU_BITS), 32)
  SJAVAC_SERVER_JAVA_FLAGS := @BOOTCYCLE_JVM_ARGS_BIG@
endif
# The bootcycle JVM arguments may differ from the original boot jdk.
JAVA_FLAGS_BIG := @BOOTCYCLE_JVM_ARGS_BIG@
# Any CDS settings generated for the bootjdk are invalid in the bootcycle build.
# By filtering out those JVM args, the bootcycle JVM will use its default
# settings for CDS.
JAVA_FLAGS := $(filter-out -XX:SharedArchiveFile% -Xshare%, $(JAVA_FLAGS))