JavaCompilation.gmk revision 1385:c0e0449fa98c
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.
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.  Oracle designates this
8# particular file as subject to the "Classpath" exception as provided
9# by Oracle 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22# or visit www.oracle.com if you need additional information or have any
23# questions.
24#
25
26# This makefile is much simpler now that it can use the smart javac wrapper
27# for dependency tracking between java packages and incremental compiles.
28# It could be even more simple if we added support for incremental jar updates
29# directly from the smart javac wrapper.
30
31# Cleaning/copying properties here is not a good solution. The properties
32# should be cleaned/copied by a annotation processor in sjavac.
33
34# When you read this source. Remember that $(sort ...) has the side effect
35# of removing duplicates. It is actually this side effect that is
36# desired whenever sort is used below!
37
38ifndef _JAVA_COMPILATION_GMK
39_JAVA_COMPILATION_GMK := 1
40
41ifeq (,$(_MAKEBASE_GMK))
42  $(error You must include MakeBase.gmk prior to including JavaCompilation.gmk)
43endif
44
45# Java compilation needs SetupZipArchive if we're generating a source zip.
46include ZipArchive.gmk
47
48FALSE_FIND_PATTERN:=-name FILE_NAME_THAT_DOESNT_EXIST
49
50# Setup make rules for defining a Java compiler, which is needed to compile
51# Java code. This rule generates no output.
52#
53# Parameter 1 is the name of the compiler definition. This name needs to be
54# passed to SetupJavaCompilation. This name is used as variable prefix.
55#
56# Remaining parameters are named arguments. These include:
57#   JVM:=The jvm used to run the javac/javah command
58#   JAVAC:=The javac jar and bootstrap classpath changes, or just bin/javac if JVM is left out
59#   FLAGS:=Flags to be supplied to javac
60#   SERVER_DIR:=Use a javac server (-XDserver) and store the server related files here
61#   SERVER_JVM:=Use this JVM for the server. Defaults to the JVM above.
62define SetupJavaCompiler
63  $(if $(16),$(error Internal makefile error: Too many arguments to SetupJavaCompiler, please update JavaCompilation.gmk))
64  $(call EvalDebugWrapper,$(strip $1),$(call SetupJavaCompilerInner,$(strip $1),$2,$3,$4,$5,$6,$7,$8,$9,$(10),$(11),$(12),$(13),$(14),$(15)))
65endef
66
67define SetupJavaCompilerInner
68  $(foreach i,2 3 4 5 6 7 8 9 10 11 12 13 14 15, $(if $(strip $($i)),$1_$(strip $($i)))$(NEWLINE))
69  $(call LogSetupMacroEntry,SetupJavaCompiler($1),$2,$3,$4,$5,$6,$7,$8,$9,$(10),$(11),$(12),$(13),$(14),$(15))
70  $(if $(16),$(error Internal makefile error: Too many arguments to SetupJavaCompiler, please update JavaCompilation.gmk))
71
72  # The port file contains the tcp/ip on which the server listens
73  # and the cookie necessary to talk to the server.
74  $1_SJAVAC_PORTFILE:=$$($1_SERVER_DIR)/server.port
75  # You can use a different JVM to run the background javac server.
76  ifeq ($$($1_SERVER_JVM),)
77    # It defaults to the same JVM that is used to start the javac command.
78    $1_SERVER_JVM:=$$($1_JVM)
79  endif
80endef
81
82# Setup make rules for creating a jar archive.
83#
84# Parameter 1 is the name of the rule. This name is used as variable prefix,
85# and the targets generated are listed in a variable by that name.
86#
87# Parameter 2 is a list of dependencies for the jar target. If left empty,
88# dependencies are searched using SRCS, which should not be empty.
89#
90# Remaining parameters are named arguments. These include:
91#   SRCS:=List of directories in where to find files to add to archive
92#   SUFFIXES:=File suffixes to include in jar
93#   INCLUDES:=List of directories/packages in SRCS that should be included
94#   EXCLUDES:=List of directories/packages in SRCS that should be excluded
95#   EXCLUDE_FILES:=List of files in SRCS that should be excluded
96#   EXTRA_FILES:=List of files in SRCS that should be included regardless of suffix match.
97#   JAR:=Jar file to create
98#   MANIFEST:=Optional manifest file template.
99#   JARMAIN:=Optional main class to add to manifest
100#   JARINDEX:=true means generate the index in the jar file.
101#   SKIP_METAINF:=Set to prevent contents of an META-INF directory to be automatically
102#       added to the archive.
103#   EXTRA_MANIFEST_ATTR:=Extra attribute to add to manifest.
104#   CHECK_COMPRESS_JAR Check the COMPRESS_JAR variable
105define SetupArchive
106  $(if $(16),$(error Internal makefile error: Too many arguments to SetupArchive, please update JavaCompilation.gmk))
107  $(call EvalDebugWrapper,$(strip $1),$(call SetupArchiveInner,$(strip $1),$2,$3,$4,$5,$6,$7,$8,$9,$(10),$(11),$(12),$(13),$(14),$(15)))
108endef
109
110define SetupArchiveInner
111  # NOTE: $2 is dependencies, not a named argument!
112  $(foreach i,3 4 5 6 7 8 9 10 11 12 13 14 15, $(if $(strip $($i)),$1_$(strip $($i)))$(NEWLINE))
113  $(call LogSetupMacroEntry,SetupArchive($1),<dependencies>,$3,$4,$5,$6,$7,$8,$9,$(10),$(11),$(12),$(13),$(14),$(15))
114  $(if $(findstring $(LOG_LEVEL),trace), $(info *[2] <dependencies> = $(strip $2)))
115  $(if $(16),$(error Internal makefile error: Too many arguments to SetupArchive, please update JavaCompilation.gmk))
116
117  $1_JARMAIN:=$(strip $$($1_JARMAIN))
118  $1_JARNAME:=$$(notdir $$($1_JAR))
119  $1_MANIFEST_FILE:=$$(dir $$($1_JAR))_the.$$($1_JARNAME)_manifest
120  $1_DELETESS_FILE:=$$(dir $$($1_JAR))_the.$$($1_JARNAME)_deletess
121  $1_DELETES_FILE:=$$(dir $$($1_JAR))_the.$$($1_JARNAME)_deletes
122  $1_BIN:=$$(dir $$($1_JAR))
123
124  ifeq (,$$($1_SUFFIXES))
125    # No suffix was set, default to classes.
126    $1_SUFFIXES:=.class
127  endif
128  # Convert suffixes to a find expression
129  $1_FIND_PATTERNS:=$(FALSE_FIND_PATTERN) $$(patsubst %,$(SPACE)-o$(SPACE)-name$(SPACE)$(DQUOTE)*%$(DQUOTE),$$($1_SUFFIXES))
130  # On windows, a lot of includes/excludes risk making the command line too long, so
131  # writing the grep patterns to files.
132  # Grep returns 1 if nothing is matched. Do not fail the build for this.
133  ifneq (,$$($1_INCLUDES))
134    $1_GREP_INCLUDE_PATTERNS:=$$(call EscapeDollar, \
135        $$(foreach src,$$($1_SRCS), $$(addprefix $$(src)/,$$($1_INCLUDES))))
136    # If there are a lot of include patterns, output to file to shorten command lines
137    ifeq ($$(word 20,$$($1_GREP_INCLUDE_PATTERNS)),)
138      $1_GREP_INCLUDES:=| ( $(GREP) $$(patsubst %,$(SPACE)-e$(SPACE)$(DQUOTE)%$(DQUOTE),$$($1_GREP_INCLUDE_PATTERNS)) \
139          || test "$$$$?" = "1" )
140    else
141      $1_GREP_INCLUDE_OUTPUT:=$(RM) $$($1_BIN)/_the.$$($1_JARNAME)_include $$(NEWLINE) \
142          $$(call ListPathsSafely,$1_GREP_INCLUDE_PATTERNS,\n, \
143          >> $$($1_BIN)/_the.$$($1_JARNAME)_include)
144      $1_GREP_INCLUDES:=| ( $(GREP) -f $$($1_BIN)/_the.$$($1_JARNAME)_include \
145          || test "$$$$?" = "1" )
146    endif
147  endif
148  ifneq (,$$($1_EXCLUDES)$$($1_EXCLUDE_FILES))
149    $1_GREP_EXCLUDE_PATTERNS:=$$(call EscapeDollar, \
150        $$(foreach src,$$($1_SRCS),$$(addprefix $$(src)/, \
151        $$($1_EXCLUDES) $$($1_EXCLUDE_FILES))))
152    # If there are a lot of include patterns, output to file to shorten command lines
153    ifeq ($$(word 20,$$($1_GREP_EXCLUDE_PATTERNS)),)
154      $1_GREP_EXCLUDES:=| ( $(GREP) -v $$(patsubst %,$(SPACE)-e$(SPACE)$(DQUOTE)%$(DQUOTE),$$($1_GREP_EXCLUDE_PATTERNS)) \
155          || test "$$$$?" = "1" )
156    else
157      $1_GREP_EXCLUDE_OUTPUT=$(RM) $$($1_BIN)/_the.$$($1_JARNAME)_exclude $$(NEWLINE) \
158          $$(call ListPathsSafely,$1_GREP_EXCLUDE_PATTERNS,\n, \
159          >> $$($1_BIN)/_the.$$($1_JARNAME)_exclude)
160      $1_GREP_EXCLUDES:=| ( $(GREP) -v -f $$($1_BIN)/_the.$$($1_JARNAME)_exclude \
161          || test "$$$$?" = "1" )
162    endif
163  endif
164
165  # Check if this jar needs to have its index generated.
166  ifneq (,$$($1_JARINDEX))
167    $1_JARINDEX = (cd $$(dir $$@) && $(JAR) -i $$(notdir $$@))
168  else
169    $1_JARINDEX = true
170  endif
171  # When this macro is run in the same makefile as the java compilation, dependencies are
172  # transfered in make variables. When the macro is run in a different makefile than the
173  # java compilation, the dependencies need to be found in the filesystem.
174  ifneq (,$2)
175    $1_DEPS:=$2
176  else
177    # Add all source roots to the find cache since we are likely going to run find
178    # on these more than once. The cache will only be updated if necessary.
179    $$(eval $$(call FillCacheFind, $$($1_FIND_LIST)))
180    $1_DEPS:=$$(filter $$(addprefix %,$$($1_SUFFIXES)), \
181        $$(call CacheFind,$$($1_SRCS)))
182    ifneq (,$$($1_GREP_INCLUDE_PATTERNS))
183      $1_DEPS:=$$(filter $$(addsuffix %,$$($1_GREP_INCLUDE_PATTERNS)),$$($1_DEPS))
184    endif
185    ifneq (,$$($1_GREP_EXCLUDE_PATTERNS))
186      $1_DEPS:=$$(filter-out $$(addsuffix %,$$($1_GREP_EXCLUDE_PATTERNS)),$$($1_DEPS))
187    endif
188    # Look for EXTRA_FILES in all SRCS dirs and as absolute paths.
189    $1_DEPS+=$$(wildcard $$(foreach src, $$($1_SRCS), \
190        $$(addprefix $$(src)/, $$($1_EXTRA_FILES))) $$($1_EXTRA_FILES))
191    ifeq (,$$($1_SKIP_METAINF))
192      $1_DEPS+=$$(call CacheFind,$$(wildcard $$(addsuffix /META-INF,$$($1_SRCS))))
193    endif
194  endif
195  # The dependency list should never be empty
196  ifeq ($$(strip $$($1_DEPS)), )
197    $$(warning No dependencies found for $1)
198  endif
199
200  # Utility macros, to make the shell script receipt somewhat easier to decipher.
201
202  # Capture extra files is the same for both CAPTURE_CONTENTS and SCAPTURE_CONTENTS so
203  # only define it once to avoid duplication.
204  # The list of extra files might be long, so need to use ListPathsSafely to print
205  # them out to a separte file. Then process the contents of that file to rewrite
206  # into -C <dir> <file> lines.
207  # The EXTRA_FILES_RESOLVED varible must be set in the macro so that it's evaluated
208  # in the recipe when the files are guaranteed to exist.
209  $1_CAPTURE_EXTRA_FILES=\
210      $(RM) $$($1_BIN)/_the.$$($1_JARNAME)_contents.extra $$(NEWLINE) \
211      $$(eval $1_EXTRA_FILES_RESOLVED:=$$(call DoubleDollar, $$(call DoubleDollar, \
212          $$(wildcard $$(foreach src, $$($1_SRCS), \
213          $$(addprefix $$(src)/, $$($1_EXTRA_FILES))) $$($1_EXTRA_FILES))))) \
214      $$(if $$($1_EXTRA_FILES_RESOLVED), \
215        $$(call ListPathsSafely,$1_EXTRA_FILES_RESOLVED,\n, \
216            >> $$($1_BIN)/_the.$$($1_JARNAME)_contents.extra) $$(NEWLINE) \
217        $(SED) $$(foreach src,$$($1_SRCS), -e 's|$$(src)/|-C $$(src) |g') \
218            $$($1_BIN)/_the.$$($1_JARNAME)_contents.extra \
219            >> $$($1_BIN)/_the.$$($1_JARNAME)_contents $$(NEWLINE))
220
221  # The capture contents macro finds all files (matching the patterns, typically
222  # .class and .prp) that are newer than the jar-file, ie the new content to be put into the jar.
223  # NOTICE: please leave the parentheses space separated otherwise the AIX build will break!
224  $1_CAPTURE_CONTENTS=\
225      $(RM) $$($1_BIN)/_the.$$($1_JARNAME)_contents $$(NEWLINE) \
226      $$(foreach src,$$($1_SRCS), \
227        $(FIND) $$(src) -type f -a \( $$($1_FIND_PATTERNS) \) -a -newer $$@ $$($1_GREP_INCLUDES) \
228          $$($1_GREP_EXCLUDES) | $(SED) 's|$$(src)/|-C $$(src) |g' \
229        >> $$($1_BIN)/_the.$$($1_JARNAME)_contents $$(NEWLINE)) \
230      $$($1_CAPTURE_EXTRA_FILES)
231
232  # The capture metainf macro finds all files below the META-INF directory that are newer than the jar-file.
233  # Find returns non zero if the META-INF dir does not exist, ignore this.
234  ifeq (,$$($1_SKIP_METAINF))
235    $1_CAPTURE_METAINF =$$(foreach src,$$($1_SRCS), \
236        ( ( $(FIND) $$(src)/META-INF -type f -a -newer $$@ 2> /dev/null || true ) \
237            | $(SED) 's|$$(src)/|-C $$(src) |g' >> \
238        $$($1_BIN)/_the.$$($1_JARNAME)_contents ) $$(NEWLINE) )
239  endif
240  # The capture deletes macro finds all deleted files and concatenates them. The resulting file
241  # tells us what to remove from the jar-file.
242  $1_CAPTURE_DELETES=$$(foreach src,$$($1_SRCS),($(FIND) $$(src) -name _the.package.deleted -newer $$@ \
243      -exec $(SED) 's|$$(src)||g' \{\} >> $$($1_DELETES_FILE) \;) $$(NEWLINE))
244  # The update contents macro updates the jar file with the previously capture contents.
245  # Use 'wc -w' to see if the contents file is empty.
246  $1_UPDATE_CONTENTS=\
247      if [ "`$(WC) -l $$($1_BIN)/_the.$$($1_JARNAME)_contents | $(AWK) '{ print $$$$1 }'`" -gt "0" ]; then \
248        $(ECHO) "  updating" `$(WC) -l $$($1_BIN)/_the.$$($1_JARNAME)_contents | $(AWK) '{ print $$$$1 }'` files && \
249        $(JAR) $$($1_JAR_UPDATE_OPTIONS) $$@ @$$($1_BIN)/_the.$$($1_JARNAME)_contents; \
250      fi $$(NEWLINE)
251  # The s-variants of the above macros are used when the jar is created from scratch.
252  # NOTICE: please leave the parentheses space separated otherwise the AIX build will break!
253  $1_SCAPTURE_CONTENTS=\
254      $(RM) $$($1_BIN)/_the.$$($1_JARNAME)_contents $$(NEWLINE) \
255      $$(foreach src,$$($1_SRCS), \
256        $(FIND) $$(src) -type f -a \( $$($1_FIND_PATTERNS) \) $$($1_GREP_INCLUDES) \
257            $$($1_GREP_EXCLUDES) | $(SED) 's|$$(src)/|-C $$(src) |g' \
258            >> $$($1_BIN)/_the.$$($1_JARNAME)_contents $$(NEWLINE)) \
259      $$($1_CAPTURE_EXTRA_FILES)
260
261  # Find returns non zero if the META-INF dir does not exist, ignore this.
262  ifeq (,$$($1_SKIP_METAINF))
263    $1_SCAPTURE_METAINF=$$(foreach src,$$($1_SRCS), \
264        ( ( $(FIND) $$(src)/META-INF -type f 2> /dev/null || true ) \
265            | $(SED) 's|$$(src)/|-C $$(src) |g' >> \
266        $$($1_BIN)/_the.$$($1_JARNAME)_contents) $$(NEWLINE) )
267  endif
268  $1_SUPDATE_CONTENTS=$(JAR) $$($1_JAR_UPDATE_OPTIONS) $$@ @$$($1_BIN)/_the.$$($1_JARNAME)_contents $$(NEWLINE)
269
270  # Use a slightly shorter name for logging, but with enough path to identify this jar.
271  $1_NAME:=$$(subst $$(OUTPUT_ROOT)/,,$$($1_JAR))
272
273  ifneq (,$$($1_CHECK_COMPRESS_JAR))
274    $1_JAR_CREATE_OPTIONS := c0fm
275    $1_JAR_UPDATE_OPTIONS := u0f
276    ifeq ($(COMPRESS_JARS), true)
277      $1_JAR_CREATE_OPTIONS := cfm
278      $1_JAR_UPDATE_OPTIONS := uf
279    endif
280  else
281    $1_JAR_CREATE_OPTIONS := cfm
282    $1_JAR_UPDATE_OPTIONS := uf
283  endif
284
285  # Include all variables of significance in the vardeps file
286  $1_VARDEPS := $(JAR) $$($1_JAR_CREATE_OPTIONS) $$($1_MANIFEST) $(RELEASE) $(COMPANY_NAME) \
287      $$($1_JARMAIN) $$($1_EXTRA_MANIFEST_ATTR)
288  $1_VARDEPS_FILE := $$(call DependOnVariable, $1_VARDEPS, $$(dir $$($1_JAR))_the.$$($1_JARNAME).vardeps)
289
290  # Here is the rule that creates/updates the jar file.
291  $$($1_JAR) : $$($1_DEPS) $$($1_MANIFEST) $$($1_VARDEPS_FILE)
292	$(MKDIR) -p $$($1_BIN)
293	$$($1_GREP_INCLUDE_OUTPUT)
294	$$($1_GREP_EXCLUDE_OUTPUT)
295        # If the vardeps file is part of the newer prereq list, it means that
296        # either the jar file does not exist, or we need to recreate it from
297        # from scratch anyway since a simple update will not catch all the 
298        # potential changes.
299	$$(if $$(filter $$($1_VARDEPS_FILE) $$($1_MANIFEST), $$?), \
300	  $$(if $$($1_MANIFEST), \
301	    $(SED) -e "s#@@RELEASE@@#$(RELEASE)#" \
302	        -e "s#@@COMPANY_NAME@@#$(COMPANY_NAME)#" $$($1_MANIFEST) > $$($1_MANIFEST_FILE) $$(NEWLINE) \
303	  , \
304	    $(RM) $$($1_MANIFEST_FILE) && $(TOUCH) $$($1_MANIFEST_FILE) $$(NEWLINE)) \
305	  $$(if $$($1_JARMAIN), \
306	    $(ECHO) "Main-Class: $$(strip $$($1_JARMAIN))" >> $$($1_MANIFEST_FILE) $$(NEWLINE)) \
307	  $$(if $$($1_EXTRA_MANIFEST_ATTR), \
308	    $(PRINTF) "$$($1_EXTRA_MANIFEST_ATTR)\n" >> $$($1_MANIFEST_FILE) $$(NEWLINE)) \
309	  $(ECHO) Creating $$($1_NAME) $$(NEWLINE) \
310	  $(JAR) $$($1_JAR_CREATE_OPTIONS) $$@ $$($1_MANIFEST_FILE) $$(NEWLINE) \
311	  $$($1_SCAPTURE_CONTENTS) \
312	  $$($1_SCAPTURE_METAINF) \
313	  $$($1_SUPDATE_CONTENTS) \
314	  $$($1_JARINDEX) && true \
315	, \
316	  $(ECHO) Modifying $$($1_NAME) $$(NEWLINE) \
317	  $$($1_CAPTURE_CONTENTS) \
318	  $$($1_CAPTURE_METAINF) \
319	  $(RM) $$($1_DELETES_FILE) $$(NEWLINE) \
320	  $$($1_CAPTURE_DELETES) \
321	  $(CAT) $$($1_DELETES_FILE) > $$($1_DELETESS_FILE) $$(NEWLINE) \
322	  if [ -s $$($1_DELETESS_FILE) ]; then \
323	    $(ECHO) "  deleting" `$(WC) -l $$($1_DELETESS_FILE) | $(AWK) '{ print $$$$1 }'` files && \
324	    $(ZIP) -q -d $$@ `$(CAT) $$($1_DELETESS_FILE)` ; \
325	  fi $$(NEWLINE) \
326	  $$($1_UPDATE_CONTENTS) true $$(NEWLINE) \
327	  $$($1_JARINDEX) && true )
328
329  # Add jar to target list
330  $1 += $$($1_JAR)
331endef
332
333    $1_SRC_EXCLUDES := $$(foreach i,$$($1_SRC),$$(addprefix $$i/,$$(addsuffix /%,$$($1_EXCLUDES))))
334  ifneq ($$($1_EXCLUDE_FILES),)
335    # Cannot precompute ZIP_EXCLUDE_FILES as it is dependent on which src root is being
336    # zipped at the moment.
337    $1_SRC_EXCLUDE_FILES := $$(addprefix %, $$($1_EXCLUDE_FILES)) $$($1_EXCLUDE_FILES)
338    $1_ALL_SRCS := $$(filter-out $$($1_SRC_EXCLUDE_FILES), $$($1_ALL_SRCS))
339  endif
340define add_file_to_copy
341  # param 1 = BUILD_MYPACKAGE
342  # parma 2 = The source file to copy.
343  $2_TARGET:=$2
344  # Remove the source prefix.
345  $$(foreach i,$$($1_SRC),$$(eval $$(call remove_string,$$i,$2_TARGET)))
346  # To allow for automatic overrides, do not create a rule for a target file that
347  # already has one
348  ifeq ($$(findstring $$($2_TARGET), $$($1_COPY_LIST)), )
349    $1_COPY_LIST += $$($2_TARGET)
350    # Now we can setup the depency that will trigger the copying.
351    $$($1_BIN)$$($2_TARGET) : $2
352	$(MKDIR) -p $$(@D)
353	$(CP) $$< $$@
354	$(CHMOD) -f ug+w $$@
355
356    # And do not forget this target
357    $1_ALL_COPY_TARGETS += $$($1_BIN)$$($2_TARGET)
358  endif
359endef
360
361
362# This macro is used only for properties files that are to be
363# copied over to the classes directory in cleaned form:
364# Previously this was inconsistently done in different repositories.
365# This is the new clean standard. Though it is to be superseded by
366# a standard annotation processor from with sjavac.
367#
368# An empty echo ensures that the input to sed always ends with a newline.
369# Certain implementations (e.g. Solaris) will skip the last line without
370# it.
371#
372# The sed expression does this:
373# 1. Add a backslash before any :, = or ! that do not have a backslash already.
374# 2. Apply the file unicode2x.sed which does a whole bunch of \u00XX to \xXX
375#    conversions.
376# 3. Delete all lines starting with #.
377# 4. Delete empty lines.
378# 5. Append lines ending with \ with the next line.
379# 6. Remove leading and trailing white space. Note that tabs must be explicit
380#    as sed on macosx does not understand '\t'.
381# 7. Replace the first \= with just =.
382# 8. Finally it's all sorted to create a stable output.
383#
384# It is assumed that = is the character used for separating names and values.
385define add_file_to_clean
386  # param 1 = BUILD_MYPACKAGE
387  # parma 2 = The source file to copy and clean.
388  $2_TARGET:=$2
389  # Remove the source prefix.
390  $$(foreach i,$$($1_SRC),$$(eval $$(call remove_string,$$i,$2_TARGET)))
391  # Now we can setup the depency that will trigger the copying.
392  $$($1_BIN)$$($2_TARGET) : $2
393	$(MKDIR) -p $$(@D)
394	export LC_ALL=C ; ( $(CAT) $$< && $(ECHO) "" ) \
395	    | $(SED) -e 's/\([^\\]\):/\1\\:/g' -e 's/\([^\\]\)=/\1\\=/g' \
396	        -e 's/\([^\\]\)!/\1\\!/g' -e 's/^[ 	]*#.*/#/g' \
397	    | $(SED) -f "$(SRC_ROOT)/make/common/support/unicode2x.sed" \
398	    | $(SED) -e '/^#/d' -e '/^$$$$/d' \
399	        -e :a -e '/\\$$$$/N; s/\\\n//; ta' \
400	        -e 's/^[ 	]*//;s/[ 	]*$$$$//' \
401	        -e 's/\\=/=/' \
402	    | $(SORT) > $$@
403	$(CHMOD) -f ug+w $$@
404
405  # And do not forget this target
406  $1_ALL_COPY_CLEAN_TARGETS += $$($1_BIN)$$($2_TARGET)
407endef
408
409define remove_string
410  $2 := $$(subst $1,,$$($2))
411endef
412
413# Setup make rules for compiling Java source code to class files and/or a
414# resulting jar file.
415#
416# Parameter 1 is the name of the rule. This name is used as variable prefix,
417# and the targets generated are listed in a variable by that name.
418#
419# Remaining parameters are named arguments. These include:
420#   SETUP:=must point to a previously setup java compiler, for example: SETUP:=BOOTJAVAC
421#   JVM:=path to ..bin/java
422#   ADD_JAVAC_FLAGS:=javac flags to append to the default ones.
423#   SRC:=one or more directories to search for sources
424#   BIN:=store classes here
425#   INCLUDES:=myapp.foo means will only compile java files in myapp.foo or any of its sub-packages.
426#   EXCLUDES:=myapp.foo means will do not compile java files in myapp.foo or any of its sub-packages.
427#   COPY:=.prp means copy all prp files to the corresponding package in BIN.
428#   COPY_FILES:=myapp/foo/setting.txt means copy this file over to the package myapp/foo
429#   CLEAN:=.properties means copy and clean all properties file to the corresponding package in BIN.
430#   CLEAN_FILES:=myapp/foo/setting.txt means clean this file over to the package myapp/foo
431#   SRCZIP:=Create a src.zip based on the found sources and copied files.
432#   INCLUDE_FILES:="com/sun/SolarisFoobar.java" means only compile this file!
433#   EXCLUDE_FILES:="com/sun/SolarisFoobar.java" means do not compile this particular file!
434#       "SolarisFoobar.java" means do not compile SolarisFoobar, wherever it is found.
435#   HEADERS:=path to directory where all generated c-headers are written.
436#   DEPENDS:=Extra dependecy
437#   DISABLE_SJAVAC:=Explicitly disable the use of sjavac for this compilation unit.
438define SetupJavaCompilation
439  $(if $(16),$(error Internal makefile error: Too many arguments to SetupJavaCompilation, please update JavaCompilation.gmk))
440  $(call EvalDebugWrapper,$(strip $1),$(call SetupJavaCompilationInner,$(strip $1),$2,$3,$4,$5,$6,$7,$8,$9,$(10),$(11),$(12),$(13),$(14),$(15)))
441endef
442
443define SetupJavaCompilationInner
444  $(foreach i,2 3 4 5 6 7 8 9 10 11 12 13 14 15, $(if $(strip $($i)),$1_$(strip $($i)))$(NEWLINE))
445  $(call LogSetupMacroEntry,SetupJavaCompilation($1),$2,$3,$4,$5,$6,$7,$8,$9,$(10),$(11),$(12),$(13),$(14),$(15))
446  $(if $(16),$(error Internal makefile error: Too many arguments to SetupJavaCompilation, please update JavaCompilation.gmk))
447
448  # Verify arguments
449  ifeq ($$($1_BIN),)
450    $$(error Must specify BIN (in $1))
451  endif
452
453  # Extract the info from the java compiler setup.
454  $1_JVM := $$($$($1_SETUP)_JVM)
455  $1_JAVAC := $$($$($1_SETUP)_JAVAC)
456  $1_FLAGS := $$($$($1_SETUP)_FLAGS) $(JAVAC_FLAGS) $$($1_ADD_JAVAC_FLAGS)
457  ifeq ($$($1_JAVAC),)
458    $$(error The Java compilation $1 refers to a non-existant java compiler setup $$($1_SETUP))
459  endif
460  $1_SJAVAC_PORTFILE := $$($$($1_SETUP)_SJAVAC_PORTFILE)
461  $1_SERVER_JVM := $$($$($1_SETUP)_SERVER_JVM)
462
463  # Handle addons and overrides.
464  $1_SRC:=$$(call ADD_SRCS,$$($1_SRC))
465  # Make sure the dirs exist.
466  $$(foreach d,$$($1_SRC), $$(if $$(wildcard $$d),,$$(error SRC specified to SetupJavaCompilation $1 contains missing directory $$d)))
467  $$(call MakeDir,$$($1_BIN))
468  # Add all source roots to the find cache since we are likely going to run find
469  # on these more than once. The cache will only be updated if necessary.
470  $$(eval $$(call FillCacheFind,$$($1_SRC)))
471  # Find all files in the source trees. Preserve order of source roots for overrides to
472  # work correctly. CacheFind does not preserve order so need to call it for each root.
473  $1_ALL_SRCS += $$(filter-out $(OVR_SRCS),$$(foreach s,$$($1_SRC),$$(call CacheFind,$$(s))))
474  # Extract the java files.
475  ifneq ($$($1_EXCLUDE_FILES),)
476    $1_EXCLUDE_FILES_PATTERN:=$$(addprefix %,$$($1_EXCLUDE_FILES))
477  endif
478  $1_SRCS := $$(filter-out $$($1_EXCLUDE_FILES_PATTERN),$$(filter %.java,$$($1_ALL_SRCS)))
479  ifneq ($$($1_INCLUDE_FILES),)
480    $1_INCLUDE_FILES:=$$(foreach i,$$($1_SRC),$$(addprefix $$i/,$$($1_INCLUDE_FILES)))
481    $1_SRCS := $$(filter $$($1_INCLUDE_FILES), $$($1_SRCS))
482  endif
483
484  # Now we have a list of all java files to compile: $$($1_SRCS)
485
486  # Create the corresponding smart javac wrapper command line.
487  $1_SJAVAC_ARGS:=$$(addprefix -x ,$$(addsuffix /*,$$($1_EXCLUDES))) \
488      $$(addprefix -i ,$$(addsuffix /*,$$($1_INCLUDES))) \
489      $$(addprefix -xf *,$$(strip $$($1_EXCLUDE_FILES))) \
490      $$(addprefix -if *,$$(strip $$($1_INCLUDE_FILES))) \
491      -src "$$(subst $$(SPACE),$$(PATH_SEP),$$(strip $$($1_SRC)))"
492
493  # Prepend the source/bin path to the filter expressions.
494  ifneq ($$($1_INCLUDES),)
495    $1_SRC_INCLUDES := $$(foreach i,$$($1_SRC),$$(addprefix $$i/,$$(addsuffix /%,$$($1_INCLUDES))))
496    $1_SRCS := $$(filter $$($1_SRC_INCLUDES),$$($1_SRCS))
497  endif
498  ifneq ($$($1_EXCLUDES),)
499    $1_SRC_EXCLUDES := $$(foreach i,$$($1_SRC),$$(addprefix $$i/,$$(addsuffix /%,$$($1_EXCLUDES))))
500    $1_SRCS := $$(filter-out $$($1_SRC_EXCLUDES),$$($1_SRCS))
501  endif
502
503  # All files below META-INF are always copied.
504  $1_ALL_COPIES := $$(filter $$(addsuffix /META-INF%,$$($1_SRC)),$$($1_ALL_SRCS))
505  # Find all files to be copied from source to bin.
506  ifneq (,$$($1_COPY)$$($1_COPY_FILES))
507    # Search for all files to be copied.
508    $1_ALL_COPIES += $$(filter $$(addprefix %,$$($1_COPY)),$$($1_ALL_SRCS))
509    # Copy these explicitly
510    $1_ALL_COPIES += $$($1_COPY_FILES)
511  endif
512  # Copy must also respect filters.
513  ifneq (,$$($1_INCLUDES))
514    $1_ALL_COPIES := $$(filter $$($1_SRC_INCLUDES),$$($1_ALL_COPIES))
515  endif
516  ifneq (,$$($1_EXCLUDES))
517    $1_ALL_COPIES := $$(filter-out $$($1_SRC_EXCLUDES),$$($1_ALL_COPIES))
518  endif
519  ifneq (,$$($1_EXCLUDE_FILES))
520    $1_ALL_COPIES := $$(filter-out $$($1_EXCLUDE_FILES_PATTERN),$$($1_ALL_COPIES))
521  endif
522  ifneq (,$$($1_ALL_COPIES))
523    # Yep, there are files to be copied!
524    $1_ALL_COPY_TARGETS:=
525        $$(foreach i,$$($1_ALL_COPIES),$$(eval $$(call add_file_to_copy,$1,$$i)))
526    # Now we can depend on $$($1_ALL_COPY_TARGETS) to copy all files!
527  endif
528
529  # Find all property files to be copied and cleaned from source to bin.
530  ifneq (,$$($1_CLEAN)$$($1_CLEAN_FILES))
531    # Search for all files to be copied.
532    $1_ALL_CLEANS := $$(filter $$(addprefix %,$$($1_CLEAN)),$$($1_ALL_SRCS))
533    # Clean these explicitly
534    $1_ALL_CLEANS += $$($1_CLEAN_FILES)
535    # Copy and clean must also respect filters.
536    ifneq (,$$($1_INCLUDES))
537      $1_ALL_CLEANS := $$(filter $$($1_SRC_INCLUDES),$$($1_ALL_CLEANS))
538    endif
539    ifneq (,$$($1_EXCLUDES))
540      $1_ALL_CLEANS := $$(filter-out $$($1_SRC_EXCLUDES),$$($1_ALL_CLEANS))
541    endif
542    ifneq (,$$($1_EXCLUDE_FILES))
543      $1_ALL_CLEANS := $$(filter-out $$($1_EXCLUDE_FILES_PATTERN),$$($1_ALL_CLEANS))
544    endif
545    ifneq (,$$($1_ALL_CLEANS))
546      # Yep, there are files to be copied and cleaned!
547      $1_ALL_COPY_CLEAN_TARGETS:=
548          $$(foreach i,$$($1_ALL_CLEANS),$$(eval $$(call add_file_to_clean,$1,$$i)))
549      # Now we can depend on $$($1_ALL_COPY_CLEAN_TARGETS) to copy all files!
550    endif
551  endif
552
553  # Create a sed expression to remove the source roots and to replace / with .
554  # and remove .java at the end.
555  $1_REWRITE_INTO_CLASSES:=$$(foreach i,$$($1_SRC),-e 's|$$i/||g') -e 's|/|.|g' -e 's|.java$$$$||g'
556
557  ifeq ($$($1_DISABLE_SJAVAC)x$$(ENABLE_SJAVAC),xyes)
558    ifneq (,$$($1_HEADERS))
559      $1_HEADERS_ARG := -h $$($1_HEADERS)
560    endif
561
562    # Using sjavac to compile.
563    $1_COMPILE_TARGETS := $$($1_BIN)/_the.$1_batch
564
565    # Create SJAVAC variable form JAVAC variable. Expects $1_JAVAC to be
566    # "bootclasspathprepend -cp .../javac.jar com.sun.tools.javac.Main"
567    # and javac is simply replaced with sjavac.
568    $1_SJAVAC:=$$(subst com.sun.tools.javac.Main,com.sun.tools.sjavac.Main,$$($1_JAVAC))
569
570    # Set the $1_REMOTE to spawn a background javac server.
571    $1_REMOTE:=--server:portfile=$$($1_SJAVAC_PORTFILE),id=$1,sjavac=$$(subst \
572        $$(SPACE),%20,$$(subst $$(COMMA),%2C,$$(strip $$($1_SERVER_JVM) $$($1_SJAVAC))))
573
574    $1_VARDEPS := $$($1_JVM) $$($1_SJAVAC) $$($1_SJAVAC_ARGS) $$($1_FLAGS) \
575        $$($1_HEADERS_ARG) $$($1_BIN)
576    $1_VARDEPS_FILE := $$(call DependOnVariable, $1_VARDEPS, $$($1_BIN)/_the.$1.vardeps)
577
578    $$($1_BIN)/_the.$1_batch: $$($1_SRCS) $$($1_DEPENDS) $$($1_VARDEPS_FILE)
579	$(MKDIR) -p $$(@D) $$(dir $$($1_SJAVAC_PORTFILE))
580        # As a workaround for sjavac not tracking api changed from the classpath, force full
581        # recompile if an external dependency, which is something other than a source
582        # change, triggered this compilation.
583	$$(if $$(filter-out $$($1_SRCS), $$?), $(FIND) $$(@D) -name "*.class" $(FIND_DELETE))
584	$$(call ListPathsSafely,$1_SRCS,\n, >> $$($1_BIN)/_the.$1_batch.tmp)
585	$(ECHO) Compiling $1
586	($$($1_JVM) $$($1_SJAVAC) \
587	    $$($1_REMOTE) \
588	    -j 1 \
589	    --permit-unidentified-artifacts \
590	    --permit-sources-without-package \
591	    --compare-found-sources $$($1_BIN)/_the.$1_batch.tmp \
592	    --log=$(LOG_LEVEL) \
593	    $$($1_SJAVAC_ARGS) \
594	    $$($1_FLAGS) \
595	    $$($1_HEADERS_ARG) \
596	    -d $$($1_BIN) && \
597	$(MV) $$($1_BIN)/_the.$1_batch.tmp $$($1_BIN)/_the.$1_batch)
598        # Create a pubapi file that only changes when the pubapi changes. Dependent
599        # compilations can use this file to only get recompiled when pubapi has changed.
600        # Grep returns 1 if no matching lines are found. Do not fail for this.
601	$(GREP) -e "^I" $$($1_BIN)/javac_state > $$($1_BIN)/_the.$1_pubapi.tmp \
602	    || test "$$$$?" = "1"
603	if [ ! -f $$($1_BIN)/_the.$1_pubapi ] \
604	    || [ "`$(DIFF) $$($1_BIN)/_the.$1_pubapi $$($1_BIN)/_the.$1_pubapi.tmp`" != "" ]; then \
605	  $(MV) $$($1_BIN)/_the.$1_pubapi.tmp $$($1_BIN)/_the.$1_pubapi; \
606	fi
607
608  else
609    # Using plain javac to batch compile everything.
610    $1_COMPILE_TARGETS := $$($1_BIN)/_the.$1_batch
611
612    # When building in batch, put headers in a temp dir to filter out those that actually
613    # changed before copying them to the real header dir.
614    ifneq (,$$($1_HEADERS))
615      $1_HEADERS_ARG := -h $$($1_HEADERS).$1.tmp
616
617      $$($1_HEADERS)/_the.$1_headers: $$($1_BIN)/_the.$1_batch
618		$(MKDIR) -p $$(@D)
619		if [ -d "$$($1_HEADERS).$1.tmp" ]; then \
620		  for f in `ls $$($1_HEADERS).$1.tmp`; do \
621		    if [ ! -f "$$($1_HEADERS)/$$$$f" ] \
622		        || [ "`$(DIFF) $$($1_HEADERS)/$$$$f $$($1_HEADERS).$1.tmp/$$$$f`" != "" ]; then \
623		    $(CP) -f $$($1_HEADERS).$1.tmp/$$$$f $$($1_HEADERS)/$$$$f; \
624		  fi; \
625		  done; \
626		fi
627		$(RM) -r $$($1_HEADERS).$1.tmp
628		$(TOUCH) $$@
629
630      $1_HEADER_TARGETS := $$($1_HEADERS)/_the.$1_headers
631    endif
632
633    $1_VARDEPS := $$($1_JVM) $$($1_JAVAC) $$($1_FLAGS) $$($1_BIN) $$($1_HEADERS_ARG)
634    $1_VARDEPS_FILE := $$(call DependOnVariable, $1_VARDEPS, $$($1_BIN)/_the.$1.vardeps)
635
636    # When not using sjavac, pass along all sources to javac using an @file.
637    $$($1_BIN)/_the.$1_batch: $$($1_SRCS) $$($1_DEPENDS) $$($1_VARDEPS_FILE)
638	$(MKDIR) -p $$(@D)
639	$(RM) $$($1_BIN)/_the.$1_batch $$($1_BIN)/_the.$1_batch.tmp
640	$$(call ListPathsSafely,$1_SRCS,\n, >> $$($1_BIN)/_the.$1_batch.tmp)
641	$(ECHO) Compiling `$(WC) $$($1_BIN)/_the.$1_batch.tmp | $(TR) -s ' ' | $(CUT) -f 2 -d ' '` files for $1
642	($$($1_JVM) $$($1_JAVAC) $$($1_FLAGS) \
643	    -implicit:none \
644	    -d $$($1_BIN) $$($1_HEADERS_ARG) @$$($1_BIN)/_the.$1_batch.tmp && \
645	$(MV) $$($1_BIN)/_the.$1_batch.tmp $$($1_BIN)/_the.$1_batch)
646
647  endif
648
649  # Add all targets to main variable
650  $1 := $$($1_ALL_COPY_TARGETS) $$($1_ALL_COPY_CLEAN_TARGETS) $$($1_COMPILE_TARGETS) \
651      $$($1_HEADER_TARGETS)
652
653  # Check if a jar file was specified, then setup the rules for the jar.
654  ifneq (,$$($1_JAR))
655    # If no suffixes was explicitly set for this jar file.
656    # Use class and the cleaned/copied properties file suffixes as the default
657    # for the types of files to be put into the jar.
658    ifeq (,$$($1_SUFFIXES))
659      $1_SUFFIXES:=.class $$($1_CLEAN) $$($1_COPY)
660    endif
661
662    $$(eval $$(call SetupArchive,ARCHIVE_$1,$$($1), \
663        SRCS:=$$($1_BIN), \
664        SUFFIXES:=$$($1_SUFFIXES), \
665        EXCLUDE:=$$($1_EXCLUDES), \
666        INCLUDES:=$$($1_INCLUDES), \
667        EXTRA_FILES:=$$($1_ALL_COPY_TARGETS) $$($1_ALL_COPY_CLEAN_TARGETS), \
668        JAR:=$$($1_JAR), \
669        JARMAIN:=$$($1_JARMAIN), \
670        MANIFEST:=$$($1_MANIFEST), \
671        EXTRA_MANIFEST_ATTR:=$$($1_EXTRA_MANIFEST_ATTR), \
672        JARINDEX:=$$($1_JARINDEX), \
673        HEADERS:=$$($1_HEADERS), \
674        SETUP:=$$($1_SETUP)))
675
676    # Add jar to target list
677    $1 += $$($1_JAR)
678  endif
679
680  # Check if a srczip was specified, then setup the rules for the srczip.
681  ifneq (,$$($1_SRCZIP))
682    $$(eval $$(call SetupZipArchive,ARCHIVE_$1, \
683        SRC:=$$($1_SRC), \
684        ZIP:=$$($1_SRCZIP), \
685        INCLUDES:=$$($1_INCLUDES), \
686        EXCLUDES:=$$($1_EXCLUDES), \
687        EXCLUDE_FILES:=$$($1_EXCLUDE_FILES)))
688
689    # Add zip to target list
690    $1 += $$($1_SRCZIP)
691  endif
692endef
693
694# Use this macro to find the correct target to depend on when the original
695# SetupJavaCompilation is declared in a different makefile, to avoid having
696# to declare and evaluate it again.
697# param 1 is for example BUILD_MYPACKAGE
698# param 2 is the output directory (BIN)
699define SetupJavaCompilationCompileTarget
700  $(if $(findstring yes, $(ENABLE_SJAVAC)), $(strip $2)/_the.$(strip $1)_pubapi, \
701      $(strip $2)/_the.$(strip $1)_batch)
702endef
703
704endif # _JAVA_COMPILATION_GMK
705