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-rw-r--r--chapter22/Makefile88
1 files changed, 77 insertions, 11 deletions
diff --git a/chapter22/Makefile b/chapter22/Makefile
index 0d187b7c..6547a73a 100644
--- a/chapter22/Makefile
+++ b/chapter22/Makefile
@@ -1,6 +1,34 @@
+#
+# Makefile expects to run at the project root, and not nested inside anywhere
+#
+# cd $DESK/Simple/chapterXX; make
+#
+#
+# first time only - this is the only thing that hits the Interwebs
+#
+# make lib
+#
+# any time you want to nuke everything from space:
+#
+# make clean tags
+#
+# run the tests
+#
+# make tests
+
+#######################################################
+#
+# Boilerplate because make syntax isn't the best
+#
+
+# Use bash for recipes
SHELL := /bin/bash
+
+# Remove target on error (no broken leftover files)
.DELETE_ON_ERROR:
+# Keep partial builds but not partial recipes; keeping them speeds up the next `make`
+.NOTINTERMEDIATE:
# for printing variable values
# usage: make print-VARIABLE
@@ -44,7 +72,7 @@ libs = $(wildcard lib/*jar)
jars = $(subst $(space),$(SEP),$(libs))
-default_targets := $(main_classes) $(test_classes)
+default_targets := $(CLZDIR)/.tag $(test_classes)
# Optionally add ctags to the default target if a reasonable one was found.
ifneq ($(CTAGS),)
default_targets += tags
@@ -52,27 +80,65 @@ endif
default: $(default_targets)
+#######################################################
# Compile just the out-of-date files
-$(main_classes): $(CLZDIR)/main/%class: $(SRC)/%java
- @echo "compiling " $@ " because " $?
+
+OODM :=
+$(CLZDIR)/main/.mtag: $(main_classes) $(main_javas)
@[ -d $(CLZDIR)/main ] || mkdir -p $(CLZDIR)/main
- @javac $(JAVAC_ARGS) -cp "$(CLZDIR)/main$(SEP)$(jars)" -sourcepath $(SRC) -d $(CLZDIR)/main $(main_javas)
+ @# This crap is really just "javac", but with a beautiful error message.
+ @# The very very long list of java files is suppressed and counted.
+ @# The required output "Note: blah blah deprecated blah" is suppressed.
+ $(file > .argsM.txt , $(OODM))
+ @if [ ! -z "$(OODM)" ] ; then \
+ echo "compiling main because " $< " and " `wc -w < .argsM.txt` " more files" ; \
+ if ! javac $(JAVAC_ARGS) -cp "$(CLZDIR)/main$(SEP)$(jars)" -sourcepath $(SRC) -d $(CLZDIR)/main $(OODM) >& .out.txt ; then \
+ cat .out.txt ; \
+ exit 1; \
+ fi ; \
+ rm -rf .out.txt ; \
+ fi
+ @touch $(CLZDIR)/main/.mtag
+ @rm -f .argsM.txt
+
+# Collect just the out-of-date files
+$(main_classes): $(CLZDIR)/main/%class: $(SRC)/%java
+ $(eval OODM += $$<)
-$(test_classes): $(CLZDIR)/test/%class: $(TST)/%java $(main_classes)
- @echo "compiling " $@ " because " $?
- @[ -d $(CLZDIR)/test ] || mkdir -p $(CLZDIR)/test
- @javac $(JAVAC_ARGS) -cp "$(CLZDIR)/test$(SEP)$(CLZDIR)/main$(SEP)$(jars)" -sourcepath $(TST) -d $(CLZDIR)/test $(test_javas)
+#######################################################
+
+OODT :=
+$(CLZDIR)/test/.ttag: $(test_classes) $(test_javas) $(CLZDIR)/main/.mtag
+ @[ -d $(CLZDIR)/test ] || mkdir -p $(CLZDIR)/test
+ $(file > .argsT.txt $(OODT))
+ @if [ ! -z "$(OODT)" ] ; then \
+ echo "compiling test because " $< " and " `wc -w < .argsT.txt` " more files" ; \
+ if ! javac $(JAVAC_ARGS) -cp "$(CLZDIR)/test$(SEP)$(CLZDIR)/main$(SEP)$(jars)" -sourcepath $(TST) -d $(CLZDIR)/test $(OODT) >& .out.txt ; then \
+ cat .out.txt ; \
+ exit 1; \
+ fi ; \
+ rm -rf .out.txt ; \
+ fi
+ @touch $(CLZDIR)/test/.ttag
+ @rm -f .argsT.txt
+
+# Collect just the out-of-date files
+$(test_classes): $(CLZDIR)/test/%class: $(TST)/%java
+ $(eval OODT += $$<)
+
+#######################################################
# Base launch line for JVM tests
JVM=nice java -ea -cp "$(CLZDIR)/main${SEP}${jars}${SEP}$(CLZDIR)/test"
-tests: $(default_targets)
+
+tests: $(CLZDIR)/main/.mtag $(CLZDIR)/test/.ttag
@echo "testing " $(test_cp)
@[ -d build/objs ] || mkdir -p build/objs
@$(JVM) org.junit.runner.JUnitCore $(test_cp)
@$(JVM) org.junit.runner.JUnitCore com.seaofnodes.simple.FuzzerWrap
-fuzzer: $(default_targets)
+fuzzer: $(CLZDIR)/main/.mtag $(CLZDIR)/test/.ttag
@echo "fuzzing " $(test_cp)
@$(JVM) org.junit.runner.JUnitCore com.seaofnodes.simple.FuzzerWrap
@@ -80,7 +146,7 @@ fuzzer: $(default_targets)
release: build/release/simple.jar
# Build a Simple jar
-build/release/simple.jar: $(main_classes) $(test_classes)
+build/release/simple.jar: $(CLZDIR)/main/.mtag $(CLZDIR)/test/.ttag
@echo "jarring " $@ " because " $?
@[ -d $(dir $@) ] || mkdir -p $(dir $@)
@jar cf build/release/simple.jar -C $(CLZDIR)/main . -C $(CLZDIR)/test . -C $(SRC)/$(SIMPLE) . -C $(TST)/$(SIMPLE) .