SetupJavaCompilers.gmk revision 1243:56e20ce67f01 
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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# The BOOT_JAVAC setup uses the boot jdk compiler to compile the tools
38# and the interim javac, to be run by the boot jdk.
39$(eval $(call SetupJavaCompiler,BOOT_JAVAC, \
40    JAVAC := $(JAVAC), \
41    FLAGS := -XDignore.symbol.file=true -g -Xlint:all$(COMMA)-deprecation -Werror))
42
43# Any java code executed during a JDK build to build other parts of the JDK must be
44# executed by the bootstrap JDK (probably with -Xbootclasspath/p: ) and for this
45# purpose must be built with -target PREVIOUS for bootstrapping purposes, which
46# requires restricting to language level and api of previous JDK.
47#
48# The generate old bytecode javac setup uses the new compiler to compile for the
49# boot jdk to generate tools that need to be run with the boot jdk.
50# Thus we force the target bytecode to the previous JDK version.
51# Add -Xlint:-options to avoid the warning about not setting -bootclasspath. Since
52# it's running on the boot jdk, the default bootclasspath is correct.
53$(eval $(call SetupJavaCompiler,GENERATE_OLDBYTECODE, \
54    JVM := $(JAVA_SMALL), \
55    JAVAC := $(NEW_JAVAC), \
56    FLAGS := $(BOOT_JDK_SOURCETARGET) -XDignore.symbol.file=true \
57        $(DISABLE_WARNINGS) -Xlint:-options, \
58    SERVER_DIR := $(SJAVAC_SERVER_DIR), \
59    SERVER_JVM := $(SJAVAC_SERVER_JAVA)))
60
61# The generate new bytecode javac setup uses the new compiler to compile for the
62# new jdk. This new bytecode might only be possible to run using the new jvm.
63$(eval $(call SetupJavaCompiler,GENERATE_JDKBYTECODE, \
64    JVM := $(JAVA), \
65    JAVAC := $(NEW_JAVAC), \
66    FLAGS := -source 9 -target 9 \
67        -encoding ascii -XDignore.symbol.file=true $(JAVAC_WARNINGS), \
68    SERVER_DIR := $(SJAVAC_SERVER_DIR), \
69    SERVER_JVM := $(SJAVAC_SERVER_JAVA)))
70
71# The generate new bytecode javac setup uses the new compiler to compile for the
72# new jdk. This new bytecode might only be possible to run using the new jvm.
73$(eval $(call SetupJavaCompiler,GENERATE_JDKBYTECODE_NOWARNINGS, \
74    JVM := $(JAVA), \
75    JAVAC := $(NEW_JAVAC), \
76    FLAGS := -source 9 -target 9 \
77        -encoding ascii -XDignore.symbol.file=true $(DISABLE_WARNINGS), \
78    SERVER_DIR := $(SJAVAC_SERVER_DIR), \
79    SERVER_JVM := $(SJAVAC_SERVER_JAVA)))
80
81JDK_BOOTCLASSPATH := $(subst $(SPACE),$(PATH_SEP),\
82    $(filter-out $(JDK_OUTPUTDIR)/modules/_%, $(wildcard $(JDK_OUTPUTDIR)/modules/*)))
83
84# After the jdk is built, we want to build demos using only the recently
85# generated jdk classes and nothing else, no jdk source, etc etc.
86# I.e. the rt.jar, but since rt.jar has not yet been generated
87# (it will be in "make images") therefore we use classes instead.
88$(eval $(call SetupJavaCompiler,GENERATE_USINGJDKBYTECODE, \
89    JVM := $(JAVA_SMALL), \
90    JAVAC := $(NEW_JAVAC), \
91    FLAGS := -bootclasspath "$(JDK_BOOTCLASSPATH)" $(DISABLE_WARNINGS), \
92    SERVER_DIR := $(SJAVAC_SERVER_DIR), \
93    SERVER_JVM := $(SJAVAC_SERVER_JAVA)))
94
95endif # _SETUP_GMK
96