Wed, 02 Sep 2009 09:20:17 -0700
6875240: Reduce Makefile build time by limiting repeated exec's (mostly for cygwin building)
Reviewed-by: jjg, iris
1 #
2 # Copyright 1995-2009 Sun Microsystems, Inc. All Rights Reserved.
3 # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 #
5 # This code is free software; you can redistribute it and/or modify it
6 # under the terms of the GNU General Public License version 2 only, as
7 # published by the Free Software Foundation. Sun designates this
8 # particular file as subject to the "Classpath" exception as provided
9 # by Sun in the LICENSE file that accompanied this code.
10 #
11 # This code is distributed in the hope that it will be useful, but WITHOUT
12 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 # FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 # version 2 for more details (a copy is included in the LICENSE file that
15 # accompanied this code).
16 #
17 # You should have received a copy of the GNU General Public License version
18 # 2 along with this work; if not, write to the Free Software Foundation,
19 # Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 #
21 # Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
22 # CA 95054 USA or visit www.sun.com if you need additional information or
23 # have any questions.
24 #
26 #
27 #
28 # Rules shared by all Java makefiles.
29 #
31 # Used with wildcard to look into a java package for files (assumes max 5 deep)
32 _WC_DIRS = * */* */*/* */*/*/* */*/*/*/*
34 # Make sure the default rule is all
35 rules_default_rule: all
37 #
38 # Directory set up. (Needed by deploy workspace)
39 #
40 $(CLASSDESTDIR) $(CLASSHDRDIR) $(OBJDIR) $(OUTPUTDIR) $(BINDIR) $(LIBDIR) $(LIBDIR)/$(LIBARCH) $(TEMPDIR) $(EXTDIR):
41 $(MKDIR) -p $@
43 #
44 # All source tree areas for java/properties files
45 #
46 ALL_CLASSES_SRC = $(SHARE_SRC)/classes $(PLATFORM_SRC)/classes
48 #
49 # If AUTO_FILES_PROPERTIES_DIRS used, automatically find properties files
50 #
51 ifdef AUTO_FILES_PROPERTIES_DIRS
52 # Wildcard all possible properties files
53 _WC_PROP_FILES = $(patsubst %, %/*.properties, $(_WC_DIRS))
54 # Wildcard package directories for this Makefile
55 _AUTO_WC_PROP_FILES = $(foreach dir, $(AUTO_FILES_PROPERTIES_DIRS), \
56 $(patsubst %, $(dir)/%, $(_WC_PROP_FILES)) )
57 # Wildcard all source directories
58 _AUTO_WC_ALL_PROP_FILES1 = $(foreach dir, $(ALL_CLASSES_SRC), \
59 $(patsubst %, $(dir)/%, $(_AUTO_WC_PROP_FILES)) )
60 # Find all files meeting this pattern
61 FILES_properties_auto1 := $(wildcard $(_AUTO_WC_ALL_PROP_FILES1))
62 else
63 FILES_properties_auto1 =
64 endif # AUTO_FILES_PROPERTIES_DIRS
66 # Add any automatically found properties files to the properties file list
67 FILES_properties += $(FILES_properties_auto1)
69 #
70 # Get Resources help
71 #
72 include $(TOPDIR)/make/common/internal/Resources.gmk
74 #
75 # Compiling .java files.
76 #
78 #
79 # Automatically add to FILES_java if AUTO_FILES_JAVA_DIRS is defined
80 #
81 # There are two basic types of sources, normal source files and the
82 # generated ones. The Normal sources will be located in:
83 # $(ALL_CLASSES_SRC)
84 # The generated sources, which might show up late to dinner, are at:
85 # $(GENSRCDIR)
86 # and since they could be generated late, we need to be careful that
87 # we look for these sources late and not use the ':=' assignment which
88 # might miss their generation.
90 ifdef AUTO_FILES_JAVA_DIRS
91 # Wildcard all possible java files
92 _WC_JAVA_FILES = $(patsubst %, %/*.java, $(_WC_DIRS))
93 # Wildcard package directories for this Makefile
94 _AUTO_WC_JAVA_FILES = $(foreach dir, $(AUTO_FILES_JAVA_DIRS), \
95 $(patsubst %, $(dir)/%, $(_WC_JAVA_FILES)) )
96 # Wildcard all source directories
97 _AUTO_WC_ALL_JAVA_FILES1 = $(foreach dir, $(ALL_CLASSES_SRC), \
98 $(patsubst %, $(dir)/%, $(_AUTO_WC_JAVA_FILES)) )
99 # Find all files meeting this pattern
100 FILES_java_auto1 := $(wildcard $(_AUTO_WC_ALL_JAVA_FILES1))
102 # Second list is the generated sources that should be rare, but will likely
103 # show up late and we need to look for them at the last minute, so we
104 # cannot use the ':=' assigment here. But if this gets expanded multiple
105 # times, the if tests should make them relatively cheap.
106 # Wildcard the generated source directories
107 _AUTO_WC_ALL_JAVA_FILES2 = $(patsubst %, $(GENSRCDIR)/%, $(_AUTO_WC_JAVA_FILES))
108 # Find all files meeting this pattern
109 FILES_java_auto2 = $(wildcard $(_AUTO_WC_ALL_JAVA_FILES2))
110 else
111 FILES_java_auto1 =
112 FILES_java_auto2 =
113 endif
115 # Add all found java sources to FILES_java macro (if AUTO_FILES_JAVA_DIRS used)
116 FILES_java += $(FILES_java_auto1) $(FILES_java_auto2)
118 # File that will hold java source names that need compiling
119 JAVA_SOURCE_LIST=$(TEMPDIR)/.classes.list
121 # Add a java source to the list
122 define add-java-file
123 $(ECHO) "$?" >> $(JAVA_SOURCE_LIST)
124 endef
126 $(CLASSDESTDIR)/%.class: $(GENSRCDIR)/%.java
127 @$(add-java-file)
128 $(CLASSDESTDIR)/%.class: $(PLATFORM_SRC)/classes/%.java
129 @$(add-java-file)
130 $(CLASSDESTDIR)/%.class: $(SHARE_SRC)/classes/%.java
131 @$(add-java-file)
133 # List of class files needed
134 FILES_class = $(FILES_java:%.java=$(CLASSDESTDIR)/%.class)
136 # Got to include exported files.
137 FILES_class += $(FILES_export:%.java=$(CLASSDESTDIR)/%.class)
139 # Construct list of java sources we need to compile
140 source_list_prime:
141 @$(MKDIR) -p $(TEMPDIR)
142 # Note that we slip resources in so that compiled properties files get created:
143 $(JAVA_SOURCE_LIST) : source_list_prime resources $(FILES_class)
144 @$(TOUCH) $@
146 .delete.classlist:
147 @$(RM) $(JAVA_SOURCE_LIST)
149 # Make sure all newer sources are compiled (in a batch)
150 classes : $(CLASSES_INIT) .delete.classlist .compile.classlist
152 # Use this javac option to force it to favor the sourcepath file classes
153 # rather than any bootclasspath classes.
154 JAVAC_PREFER_SOURCE = -Xprefer:source
156 .compile.classlist : $(JAVA_SOURCE_LIST)
157 @$(MKDIR) -p $(CLASSDESTDIR)
158 if [ -s $(JAVA_SOURCE_LIST) ] ; then \
159 $(JAVAC_CMD) $(JAVAC_PREFER_SOURCE) -sourcepath "$(SOURCEPATH)" -d $(CLASSDESTDIR) @$(JAVA_SOURCE_LIST); \
160 fi
161 @$(java-vm-cleanup)
163 clobber clean::
164 $(RM) $(JAVA_SOURCE_LIST)
166 ifndef DONT_CLOBBER_CLASSES
167 ifndef PACKAGE
168 DONT_CLOBBER_CLASSES = true
169 else
170 DONT_CLOBBER_CLASSES = false
171 endif
172 endif
174 packages.clean:
175 ifeq ($(DONT_CLOBBER_CLASSES),false)
176 ifdef AUTO_FILES_JAVA_DIRS
177 $(RM) -r $(patsubst %, $(CLASSDESTDIR)/%, $(AUTO_FILES_JAVA_DIRS))
178 else
179 $(RM) -r $(CLASSDESTDIR)/$(PKGDIR)
180 endif
181 endif
183 classes.clean: packages.clean
184 $(RM) $(JAVA_SOURCE_LIST)
186 #
187 # C and C++ make dependencies
188 #
189 include $(TOPDIR)/make/common/internal/NativeCompileRules.gmk
191 #
192 # Running Javah to generate stuff into CClassHeaders.
193 #
195 ifdef FILES_export
197 CLASSES.export = $(subst /,.,$(FILES_export:%.java=%))
198 CLASSES.export += $(subst /,.,$(FILES_export2:%.java=%))
199 CLASSES.export += $(subst /,.,$(FILES_export3:%.java=%))
200 CLASSES_export = $(FILES_export:%.java=$(CLASSDESTDIR)/%.class)
201 CLASSES_export += $(FILES_export2:%.java=$(CLASSDESTDIR)/%.class)
202 CLASSES_export += $(FILES_export3:%.java=$(CLASSDESTDIR)/%.class)
204 # Fix when deploy workspace makefiles don't depend on this name
205 #CLASSHDR_DOTFILE=$(CLASSHDRDIR)/.classheaders
207 CLASSHDR_DOTFILE=$(OBJDIR)/.class.headers.$(ARCH)
209 classheaders: classes $(CLASSHDR_DOTFILE)
211 $(CLASSHDR_DOTFILE): $(CLASSES_export)
212 $(prep-target)
213 $(JAVAH_CMD) -d $(CLASSHDRDIR)/ \
214 $(CLASSES.export) $(subst $$,\$$,$(EXPORTED_inner))
215 @$(java-vm-cleanup)
216 @$(TOUCH) $@
218 classheaders.clean:
219 $(RM) -r $(CLASSHDRDIR) $(CLASSHDR_DOTFILE)
221 else # FILES_export
223 classheaders: classes
225 classheaders.clean:
227 endif # FILES_export
229 clean clobber:: classheaders.clean classes.clean .delete.classlist
231 #
232 # Default dependencies
233 #
235 all: build
237 build: classheaders
239 default: all
241 .PHONY: all build clean clobber \
242 .delete.classlist classes .compile.classlist classes.clean \
243 classheaders classheaders.clean \
244 batch_compile