JPP.gmk

# ===========================================================================
# (c) Copyright IBM Corp. 2023, 2024 All Rights Reserved
# ===========================================================================
# This code is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License version 2 only, as
# published by the Free Software Foundation.
#
# IBM designates this particular file as subject to the "Classpath" exception
# as provided by IBM in the LICENSE file that accompanied this code.
#
# This code is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
# version 2 for more details (a copy is included in the LICENSE file that
# accompanied this code).
#
# You should have received a copy of the GNU General Public License version
# 2 along with this work; if not, see <http://www.gnu.org/licenses/>.
# ===========================================================================

J9TOOLS_DIR := $(SUPPORT_OUTPUTDIR)/j9tools
JPP_JAR     := $(J9TOOLS_DIR)/jpp.jar
JPP_TAGS    := PLATFORM-$(OPENJ9_PLATFORM_CODE)

ifeq (true,$(OPENJ9_ENABLE_CRAC_SUPPORT))
  JPP_TAGS += CRAC_SUPPORT
endif # OPENJ9_ENABLE_CRAC_SUPPORT

ifeq (true,$(OPENJ9_ENABLE_CRIU_SUPPORT))
  JPP_TAGS += CRIU_SUPPORT
endif # OPENJ9_ENABLE_CRIU_SUPPORT

ifeq (true,$(OPENJ9_ENABLE_JFR))
  JPP_TAGS += JFR_SUPPORT
endif # OPENJ9_ENABLE_JFR

ifeq (true,$(OPENJ9_ENABLE_OPENJDK_METHODHANDLES))
  JPP_TAGS += OPENJDK_METHODHANDLES
endif # OPENJ9_ENABLE_OPENJDK_METHODHANDLES

ifeq (true,$(BUILD_OPENJCEPLUS))
  JPP_TAGS += OPENJCEPLUS_SUPPORT
endif # BUILD_OPENJCEPLUS

# invoke JPP to preprocess java source files
# $1 - configuration
# $2 - source directory
# $3 - destination subdirectory
# $4 - more options (optional)
define RunJPP
	$(call EchoAndRun, $(BOOT_JDK)/bin/java \
		-cp "$(call MixedPath,$(JPP_JAR))" \
		-Dfile.encoding=US-ASCII \
		com.ibm.jpp.commandline.CommandlineBuilder \
			-verdict \
			-config $1 \
			-baseDir "$(call MixedPath,$(dir $2))" \
			-srcRoot $(notdir $2)/ \
			-xml "$(call MixedPath,$(OPENJ9_TOPDIR)/jcl/jpp_configuration.xml)" \
			-dest "$(call MixedPath,$(SUPPORT_OUTPUTDIR)$(strip $3))" \
			-tag:define "$(subst $(SPACE),;,$(sort $(JPP_TAGS)))" \
			$4 \
		)
endef # RunJPP