8074726: Update source and target version used when compiling hotspot class files
Summary: Use BOOT_JDK_SOURCETARGET from top level, or fall back to -source 8 -target 8
Reviewed-by: dholmes, sla
#
# Copyright (c) 2003, 2014, Oracle and/or its affiliates. All rights reserved.
# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
#
# 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.
#
# 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, write to the Free Software Foundation,
# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
#
# Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
# or visit www.oracle.com if you need additional information or have any
# questions.
#
#
# Common rules/macros for the vm, adlc.
# Tell make that .cpp is important
.SUFFIXES: .cpp $(SUFFIXES)
DEMANGLER = c++filt
DEMANGLE = $(DEMANGLER) < $@ > .$@ && $(MV) -f .$@ $@
# $(CC) is the c compiler (cc/gcc), $(CXX) is the c++ compiler (CC/g++).
CC_COMPILE = $(CC) $(CXXFLAGS) $(CFLAGS)
CXX_COMPILE = $(CXX) $(CXXFLAGS) $(CFLAGS)
AS.S = $(AS) $(ASFLAGS)
COMPILE.CC = $(CC_COMPILE) -c
GENASM.CC = $(CC_COMPILE) -S
LINK.CC = $(CC) $(LFLAGS) $(AOUT_FLAGS) $(PROF_AOUT_FLAGS)
LINK_LIB.CC = $(CC) $(LFLAGS) $(SHARED_FLAG)
PREPROCESS.CC = $(CC_COMPILE) -E
COMPILE.CXX = $(CXX_COMPILE) -c
GENASM.CXX = $(CXX_COMPILE) -S
LINK.CXX = $(CXX) $(LFLAGS) $(AOUT_FLAGS) $(PROF_AOUT_FLAGS)
LINK_NOPROF.CXX = $(CXX) $(LFLAGS) $(AOUT_FLAGS)
LINK_LIB.CXX = $(CXX) $(LFLAGS) $(SHARED_FLAG)
PREPROCESS.CXX = $(CXX_COMPILE) -E
# cross compiling the jvm with c2 requires host compilers to build
# adlc tool
HOST.CXX_COMPILE = $(HOSTCXX) $(CXXFLAGS) $(CFLAGS)
HOST.COMPILE.CXX = $(HOST.CXX_COMPILE) -c
HOST.LINK_NOPROF.CXX = $(HOSTCXX) $(LFLAGS) $(AOUT_FLAGS)
# Effect of REMOVE_TARGET is to delete out-of-date files during "gnumake -k".
REMOVE_TARGET = rm -f $@
# Note use of ALT_BOOTDIR to explicitly specify location of java and
# javac; this is the same environment variable used in the J2SE build
# process for overriding the default spec, which is BOOTDIR.
# Note also that we fall back to using JAVA_HOME if neither of these is
# specified.
ifdef ALT_BOOTDIR
RUN.JAVA = $(ALT_BOOTDIR)/bin/java
RUN.JAVAP = $(ALT_BOOTDIR)/bin/javap
RUN.JAVAH = $(ALT_BOOTDIR)/bin/javah
RUN.JAR = $(ALT_BOOTDIR)/bin/jar
COMPILE.JAVAC = $(ALT_BOOTDIR)/bin/javac
COMPILE.RMIC = $(ALT_BOOTDIR)/bin/rmic
BOOT_JAVA_HOME = $(ALT_BOOTDIR)
else
ifdef BOOTDIR
RUN.JAVA = $(BOOTDIR)/bin/java
RUN.JAVAP = $(BOOTDIR)/bin/javap
RUN.JAVAH = $(BOOTDIR)/bin/javah
RUN.JAR = $(BOOTDIR)/bin/jar
COMPILE.JAVAC = $(BOOTDIR)/bin/javac
COMPILE.RMIC = $(BOOTDIR)/bin/rmic
BOOT_JAVA_HOME = $(BOOTDIR)
else
ifdef JAVA_HOME
RUN.JAVA = $(JAVA_HOME)/bin/java
RUN.JAVAP = $(JAVA_HOME)/bin/javap
RUN.JAVAH = $(JAVA_HOME)/bin/javah
RUN.JAR = $(JAVA_HOME)/bin/jar
COMPILE.JAVAC = $(JAVA_HOME)/bin/javac
COMPILE.RMIC = $(JAVA_HOME)/bin/rmic
BOOT_JAVA_HOME = $(JAVA_HOME)
else
# take from the PATH, if ALT_BOOTDIR, BOOTDIR and JAVA_HOME are not defined
# note that this is to support hotspot build without SA. To build
# SA along with hotspot, you need to define ALT_BOOTDIR, BOOTDIR or JAVA_HOME
RUN.JAVA = java
RUN.JAVAP = javap
RUN.JAVAH = javah
RUN.JAR = jar
COMPILE.JAVAC = javac
COMPILE.RMIC = rmic
endif
endif
endif
COMPILE.JAVAC += $(BOOTSTRAP_JAVAC_FLAGS)
SUM = /usr/bin/sum
# 'gmake MAKE_VERBOSE=y' gives all the gory details.
QUIETLY$(MAKE_VERBOSE) = @
RUN.JAR$(MAKE_VERBOSE) += >/dev/null
# Settings for javac
JAVAC_FLAGS = -g -encoding ascii
# Prefer BOOT_JDK_SOURCETARGET if it's set (typically by the top build system)
# Fall back to the values here if it's not set (hotspot only builds)
ifeq ($(BOOT_JDK_SOURCETARGET),)
BOOTSTRAP_SOURCETARGET := -source 8 -target 8
else
BOOTSTRAP_SOURCETARGET := $(BOOT_JDK_SOURCETARGET)
endif
BOOTSTRAP_JAVAC_FLAGS = $(JAVAC_FLAGS) $(BOOTSTRAP_SOURCETARGET)
# With parallel makes, print a message at the end of compilation.
ifeq ($(findstring j,$(MFLAGS)),j)
COMPILE_DONE = && { echo Done with $<; }
endif
# Include $(NONPIC_OBJ_FILES) definition
ifndef LP64
include $(GAMMADIR)/make/pic.make
endif
include $(GAMMADIR)/make/altsrc.make
# The non-PIC object files are only generated for 32 bit platforms.
ifdef LP64
%.o: %.cpp
@echo $(LOG_INFO) Compiling $<
$(QUIETLY) $(REMOVE_TARGET)
$(QUIETLY) $(COMPILE.CXX) $(DEPFLAGS) -o $@ $< $(COMPILE_DONE)
else
%.o: %.cpp
@echo $(LOG_INFO) Compiling $<
$(QUIETLY) $(REMOVE_TARGET)
$(QUIETLY) $(if $(findstring $@, $(NONPIC_OBJ_FILES)), \
$(subst $(VM_PICFLAG), ,$(COMPILE.CXX)) $(DEPFLAGS) -o $@ $< $(COMPILE_DONE), \
$(COMPILE.CXX) $(DEPFLAGS) -o $@ $< $(COMPILE_DONE))
endif
%.o: %.s
@echo $(LOG_INFO) Assembling $<
$(QUIETLY) $(REMOVE_TARGET)
$(QUIETLY) $(AS.S) $(DEPFLAGS) -o $@ $< $(COMPILE_DONE)
%.s: %.cpp
@echo $(LOG_INFO) Generating assembly for $<
$(QUIETLY) $(GENASM.CXX) -o $@ $<
$(QUIETLY) $(DEMANGLE) $(COMPILE_DONE)
# Intermediate files (for debugging macros)
%.i: %.cpp
@echo $(LOG_INFO) Preprocessing $< to $@
$(QUIETLY) $(PREPROCESS.CXX) $< > $@ $(COMPILE_DONE)
# Override gnumake built-in rules which do sccs get operations badly.
# (They put the checked out code in the current directory, not in the
# directory of the original file.) Since this is a symptom of a teamware
# failure, and since not all problems can be detected by gnumake due
# to incomplete dependency checking... just complain and stop.
%:: s.%
@echo "========================================================="
@echo File $@
@echo is out of date with respect to its SCCS file.
@echo This file may be from an unresolved Teamware conflict.
@echo This is also a symptom of a Teamware bringover/putback failure
@echo in which SCCS files are updated but not checked out.
@echo Check for other out of date files in your workspace.
@echo "========================================================="
@exit 666
%:: SCCS/s.%
@echo "========================================================="
@echo File $@
@echo is out of date with respect to its SCCS file.
@echo This file may be from an unresolved Teamware conflict.
@echo This is also a symptom of a Teamware bringover/putback failure
@echo in which SCCS files are updated but not checked out.
@echo Check for other out of date files in your workspace.
@echo "========================================================="
@exit 666
.PHONY: default