SetupJavaCompilers.gmk revision 1130:dbb964d72f25 
1#
2# Copyright (c) 2011, 2014, Oracle and/or its affiliates. All rights reserved.
3# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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25
26ifndef _SETUP_GMK
27_SETUP_GMK := 1
28
29include JavaCompilation.gmk
30
31DISABLE_WARNINGS := -Xlint:all,-deprecation,-unchecked,-rawtypes,-cast,-serial,-dep-ann,-static,-fallthrough,-try,-varargs,-empty,-finally
32
33# To build with all warnings enabled, do the following:
34# make JAVAC_WARNINGS="-Xlint:all -Xmaxwarns 10000"
35JAVAC_WARNINGS := -Xlint:all,-deprecation -Werror
36
37# Any java code executed during a JDK build to build other parts of the JDK must be 
38# executed by the bootstrap JDK (probably with -Xbootclasspath/p: ) and for this 
39# purpose must be built with -target PREVIOUS for bootstrapping purposes, which 
40# requires restricting to language level and api of previous JDK.
41#
42# The generate old bytecode javac setup uses the new compiler to compile for the
43# boot jdk to generate tools that need to be run with the boot jdk.
44# Thus we force the target bytecode to the previous JDK version.
45$(eval $(call SetupJavaCompiler,GENERATE_OLDBYTECODE, \
46    JVM := $(JAVA_SMALL), \
47    JAVAC := $(NEW_JAVAC), \
48    FLAGS := $(BOOT_JDK_SOURCETARGET) -bootclasspath $(BOOT_RTJAR) $(DISABLE_WARNINGS), \
49    SERVER_DIR := $(SJAVAC_SERVER_DIR), \
50    SERVER_JVM := $(SJAVAC_SERVER_JAVA)))
51
52# The generate new bytecode javac setup uses the new compiler to compile for the
53# new jdk. This new bytecode might only be possible to run using the new jvm.
54$(eval $(call SetupJavaCompiler,GENERATE_JDKBYTECODE, \
55    JVM := $(JAVA), \
56    JAVAC := $(NEW_JAVAC), \
57    FLAGS := -source 9 -target 9 \
58        -encoding ascii -XDignore.symbol.file=true $(JAVAC_WARNINGS) \
59        $(GENERATE_JDKBYTECODE_EXTRA_FLAGS), \
60    SERVER_DIR := $(SJAVAC_SERVER_DIR), \
61    SERVER_JVM := $(SJAVAC_SERVER_JAVA)))
62
63# The generate new bytecode javac setup uses the new compiler to compile for the
64# new jdk. This new bytecode might only be possible to run using the new jvm.
65$(eval $(call SetupJavaCompiler,GENERATE_JDKBYTECODE_NOWARNINGS, \
66    JVM := $(JAVA), \
67    JAVAC := $(NEW_JAVAC), \
68    FLAGS := -source 9 -target 9 \
69        -encoding ascii -XDignore.symbol.file=true $(DISABLE_WARNINGS) \
70        $(GENERATE_JDKBYTECODE_EXTRA_FLAGS), \
71    SERVER_DIR := $(SJAVAC_SERVER_DIR), \
72    SERVER_JVM := $(SJAVAC_SERVER_JAVA)))
73
74JDK_BOOTCLASSPATH := $(subst $(SPACE),$(PATH_SEP),\
75    $(filter-out $(JDK_OUTPUTDIR)/modules/_%, $(wildcard $(JDK_OUTPUTDIR)/modules/*)))
76
77# After the jdk is built, we want to build demos using only the recently
78# generated jdk classes and nothing else, no jdk source, etc etc.
79# I.e. the rt.jar, but since rt.jar has not yet been generated
80# (it will be in "make images") therefore we use classes instead.
81$(eval $(call SetupJavaCompiler,GENERATE_USINGJDKBYTECODE, \
82    JVM := $(JAVA_SMALL), \
83    JAVAC := $(NEW_JAVAC), \
84    FLAGS := -bootclasspath "$(JDK_BOOTCLASSPATH)" $(DISABLE_WARNINGS), \
85    SERVER_DIR := $(SJAVAC_SERVER_DIR), \
86    SERVER_JVM := $(SJAVAC_SERVER_JAVA)))
87
88endif # _SETUP_GMK
89