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1 # |
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2 # Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. |
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3 # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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4 # |
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5 # This code is free software; you can redistribute it and/or modify it |
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6 # under the terms of the GNU General Public License version 2 only, as |
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7 # published by the Free Software Foundation. Oracle designates this |
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8 # particular file as subject to the "Classpath" exception as provided |
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9 # by Oracle in the LICENSE file that accompanied this code. |
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10 # |
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11 # This code is distributed in the hope that it will be useful, but WITHOUT |
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12 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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13 # FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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14 # version 2 for more details (a copy is included in the LICENSE file that |
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15 # accompanied this code). |
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16 # |
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17 # You should have received a copy of the GNU General Public License version |
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18 # 2 along with this work; if not, write to the Free Software Foundation, |
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19 # Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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20 # |
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21 # Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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22 # or visit www.oracle.com if you need additional information or have any |
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23 # questions. |
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24 # |
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25 |
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26 # This must be the first rule |
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27 default: all |
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28 |
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29 include $(SPEC) |
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30 include MakeBase.gmk |
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31 |
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32 include CommonLangtools.gmk |
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33 |
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34 # GenStubs is used to bootstrap any dependencies from javac to the new JDK that is not |
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35 # yet built. It is currently not needed but might be again in the future. The following |
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36 # exercises the functionality to verify that it works. |
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37 TOOL_GENSTUBS_CMD = $(JAVA) \ |
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38 "-Xbootclasspath/p:$(INTERIM_LANGTOOLS_JAR)" \ |
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39 genstubs.GenStubs |
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40 |
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41 # We fetch source from the JDK... |
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42 JDKS := $(JDK_TOPDIR)/src/share/classes |
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43 |
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44 # Build the list of classes to generate stubs from. java/util/function/Predicate.java isn't |
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45 # currently needed, but is used as a demo for now. |
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46 |
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47 STUBSOURCES := $(shell $(FIND) $(JDKS) -name "*.java" | $(GREP) \ |
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48 -e "$(JDKS)/java/util/function/Predicate.java") |
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49 |
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50 # Rewrite the file names into class names because the GenStubs tool require this. |
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51 STUBCLASSES := $(subst /,., $(patsubst $(JDKS)/%.java, %, $(STUBSOURCES))) |
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52 |
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53 # Now setup the build recipe for genstubs. |
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54 $(LANGTOOLS_OUTPUTDIR)/genstubs/_the_stubs: $(STUBSOURCES) |
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55 $(MKDIR) -p $(@D) |
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56 $(MKDIR) -p $(LANGTOOLS_OUTPUTDIR)/tmpstubs |
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57 $(ECHO) $(LOG_INFO) Generating stubs from JDK sources. |
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58 $(TOOL_GENSTUBS_CMD) -s $(LANGTOOLS_OUTPUTDIR)/tmpstubs -sourcepath $(JDKS) $(STUBCLASSES) |
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59 if $(DIFF) -x "_the*" -rq $(LANGTOOLS_OUTPUTDIR)/tmpstubs $(LANGTOOLS_OUTPUTDIR)/genstubs \ |
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60 > /dev/null 2>&1; then \ |
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61 $(ECHO) $(LOG_INFO) No changes in the stubs!; \ |
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62 $(RM) -r $(LANGTOOLS_OUTPUTDIR)/tmpstubs; \ |
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63 else \ |
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64 $(ECHO) $(LOG_INFO) Changes in stubs detected!; \ |
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65 $(RM) -r $(@D); \ |
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66 $(MV) $(LANGTOOLS_OUTPUTDIR)/tmpstubs $(@D); \ |
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67 fi |
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68 $(TOUCH) $@ |
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69 |
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70 all: $(LANGTOOLS_OUTPUTDIR)/genstubs/_the_stubs |