SetupJavaCompilers.gmk revision 1705:8001eddb1672 
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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# If warnings needs to be non-fatal for testing purposes use a command like:
34# make JAVAC_WARNINGS="-Xlint:all -Xmaxwarns 10000"
35JAVAC_WARNINGS := -Xlint:all -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    DISABLE_SJAVAC := true, \
43))
44
45# Any java code executed during a JDK build to build other parts of the JDK must be
46# executed by the bootstrap JDK (probably with -Xbootclasspath/p: ) and for this
47# purpose must be built with -target PREVIOUS for bootstrapping purposes, which
48# requires restricting to language level and api of previous JDK.
49#
50# The generate old bytecode javac setup uses the new compiler to compile for the
51# boot jdk to generate tools that need to be run with the boot jdk.
52# Thus we force the target bytecode to the previous JDK version.
53# Add -Xlint:-options to avoid the warning about not setting -bootclasspath. Since
54# it's running on the boot jdk, the default bootclasspath is correct.
55$(eval $(call SetupJavaCompiler,GENERATE_OLDBYTECODE, \
56    JVM := $(JAVA_SMALL), \
57    JAVAC := $(NEW_JAVAC), \
58    FLAGS := $(BOOT_JDK_SOURCETARGET) -XDignore.symbol.file=true \
59        $(DISABLE_WARNINGS) -Xlint:-options, \
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, \
66    JVM := $(JAVA), \
67    JAVAC := $(NEW_JAVAC), \
68    FLAGS := -source 9 -target 9 \
69        -encoding ascii -XDignore.symbol.file=true $(JAVAC_WARNINGS), \
70    SERVER_DIR := $(SJAVAC_SERVER_DIR), \
71    SERVER_JVM := $(SJAVAC_SERVER_JAVA)))
72
73# The generate new bytecode javac setup uses the new compiler to compile for the
74# new jdk. This new bytecode might only be possible to run using the new jvm.
75$(eval $(call SetupJavaCompiler,GENERATE_JDKBYTECODE_NOWARNINGS, \
76    JVM := $(JAVA), \
77    JAVAC := $(NEW_JAVAC), \
78    FLAGS := -source 9 -target 9 \
79        -encoding ascii -XDignore.symbol.file=true $(DISABLE_WARNINGS), \
80    SERVER_DIR := $(SJAVAC_SERVER_DIR), \
81    SERVER_JVM := $(SJAVAC_SERVER_JAVA)))
82
83JDK_BOOTCLASSPATH := $(call PathList, \
84    $(filter-out $(JDK_OUTPUTDIR)/modules/_%, $(wildcard $(JDK_OUTPUTDIR)/modules/*)))
85
86# After the jdk is built, we want to build demos using only the recently
87# generated jdk classes and nothing else, no jdk source, etc etc.
88# I.e. the rt.jar, but since rt.jar has not yet been generated
89# (it will be in "make images") therefore we use classes instead.
90$(eval $(call SetupJavaCompiler,GENERATE_USINGJDKBYTECODE, \
91    JVM := $(JAVA_SMALL), \
92    JAVAC := $(NEW_JAVAC), \
93    FLAGS := -bootclasspath $(JDK_BOOTCLASSPATH) $(DISABLE_WARNINGS), \
94    SERVER_DIR := $(SJAVAC_SERVER_DIR), \
95    SERVER_JVM := $(SJAVAC_SERVER_JAVA)))
96
97endif # _SETUP_GMK
98