Compile the example tests with both a C and C++ compiler

.gitignore

@@ -1,3 +1,4 @@
 *.o
 tags
 test
+test++

Makefile

@@ -2,17 +2,26 @@ UNAME=$(shell uname)
 
 CCFLAGS=-Wall -Wextra -Wconversion -Wredundant-decls -Wshadow -Wno-unused-parameter -O3
 CC=clang
+CXX=clang++
 
-all: test
+all: test test++
 
 remake: clean all
 
-%.o: %.c ctest.h
+%.cpp: %.c
+	ln -fs $< $@
+
+%.c.o: %.c ctest.h
 	$(CC) $(CCFLAGS) -c -o $@ $<
 
-test: main.o ctest.h mytests.o
-	$(CC) $(LDFLAGS) main.o mytests.o -o test
+%.cpp.o: %.cpp ctest.h
+	$(CXX) $(CCFLAGS) -c -o $@ $<
 
-clean:
-	rm -f test *.o
+test: main.c.o ctest.h mytests.c.o
+	$(CC) $(LDFLAGS) main.c.o mytests.c.o -o test
 
+test++: main.cpp.o ctest.h mytests.cpp.o
+	$(CXX) $(LDFLAGS) main.cpp.o mytests.cpp.o -o test++
+
+clean:
+	rm -f test test++ *.o