java, d: add a Makefile for the example

[Akim Demaille]

commit 9a5c12f1603fb383019fd58eb2239047f1aa3577
Author: Akim Demaille <address@hidden>
Date:   Wed Dec 5 09:01:10 2018 +0100

    java, d: add a Makefile for the example
    
    * examples/java/Makefile, examples/d/Makefile: New.

diff --git a/examples/README b/examples/README
index 87f73544..e9b505ca 100644
--- a/examples/README
+++ b/examples/README
@@ -34,6 +34,12 @@ Extracted from the documentation: "A Complete C++ Example".
 
https://www.gnu.org/software/bison/manual/html_node/A-Complete-C_002b_002b-Example.html
 
 
+* Examples in D
+
+** d/calc.y
+The usual calculator.
+
+
 * Examples in Java
 
 ** java/Calc.y
diff --git a/examples/d/Makefile b/examples/d/Makefile
new file mode 100644
index 00000000..1c41b6ce
--- /dev/null
+++ b/examples/d/Makefile
@@ -0,0 +1,25 @@
+# This Makefile is designed to be simple and readable.  It does not
+# aim at portability.  It requires GNU Make.
+
+BISON = bison
+DC = dmd
+XSLTPROC = xsltproc
+
+all: calc
+
+%.d %.xml %.gv: %.y
+       $(BISON) $(BISONFLAGS) --xml --graph=$*.gv -o $*.d $<
+
+%: %.d
+       $(DC) $(DCFLAGS) $<
+
+run: calc
+       echo "Type arithmetic expressions.  Quit with ctrl-d."
+       ./$<
+
+html: calc.html
+%.html: %.xml
+       $(XSLTPROC) $(XSLTPROCFLAGS) -o $@ $$($(BISON) 
--print-datadir)/xslt/xml2xhtml.xsl $<
+
+clean:
+       rm -f calc calc.d calc.xml calc.gv calc.html *.o
diff --git a/examples/d/local.mk b/examples/d/local.mk
index d5d9ac9d..92fe116e 100644
--- a/examples/d/local.mk
+++ b/examples/d/local.mk
@@ -31,5 +31,5 @@ endif
 %D%/calc: %D%/calc.d
        $(AM_V_GEN) $(DC) $(DCFLAGS) -of$@ $<
 
-dist_d_DATA = %D%/calc.y
+dist_d_DATA = %D%/calc.y %D%/Makefile
 CLEANFILES += %D%/calc %D%/Calc.d
diff --git a/examples/java/Makefile b/examples/java/Makefile
new file mode 100644
index 00000000..de9a54a6
--- /dev/null
+++ b/examples/java/Makefile
@@ -0,0 +1,26 @@
+# This Makefile is designed to be simple and readable.  It does not
+# aim at portability.  It requires GNU Make.
+
+BISON = bison
+JAVAC = javac
+JAVA = java
+XSLTPROC = xsltproc
+
+all: Calc.class
+
+%.java %.xml %.gv: %.y
+       $(BISON) $(BISONFLAGS) --xml --graph=$*.gv -o $*.java $<
+
+%.class: %.java
+       $(JAVAC) $(JAVACFLAGS) $<
+
+run: Calc.class
+       echo "Type arithmetic expressions.  Quit with ctrl-d."
+       $(JAVA) $(JAVAFLAGS) Calc
+
+html: Calc.html
+%.html: %.xml
+       $(XSLTPROC) $(XSLTPROCFLAGS) -o $@ $$($(BISON) 
--print-datadir)/xslt/xml2xhtml.xsl $<
+
+clean:
+       rm -f *.class Calc.java Calc.html Calc.xml Calc.gv
diff --git a/examples/java/local.mk b/examples/java/local.mk
index c76e1623..f464f1f7 100644
--- a/examples/java/local.mk
+++ b/examples/java/local.mk
@@ -31,5 +31,5 @@ endif
 %D%/Calc.class: %D%/Calc.java
        $(AM_V_GEN) $(SHELL) $(top_builddir)/javacomp.sh $<
 
-dist_java_DATA = %D%/Calc.y
+dist_java_DATA = %D%/Calc.y %D%/Makefile
 CLEANFILES += %D%/Calc.class %D%/Calc.java