diff --git a/.travis.yml b/.travis.yml
new file mode 100644
index 0000000..b8bad29
--- /dev/null
+++ b/.travis.yml
@@ -0,0 +1,10 @@
+language: c
+dist: trusty
+install: false
+compiler:
+    - gcc
+    - clang
+script:
+  - make
+  - cd tests
+  - ./RunTests
diff --git a/Makefile b/Makefile
index 52410c6..0ad4bf5 100644
--- a/Makefile
+++ b/Makefile
@@ -39,6 +39,7 @@ git-info.h:
 # Bootstrap dependency on the git header file, which otherwise
 # gets generated too late.
 macro11.o: git-info.h
+macro11.c: git-info.h
 
 clean:
 	-rm -f $(MACRO11_OBJS) $(DUMPOBJ_OBJS) macro11 dumpobj
diff --git a/tests/RunTests b/tests/RunTests
index c151ffa..7bcf973 100755
--- a/tests/RunTests
+++ b/tests/RunTests
@@ -27,20 +27,27 @@ TESTS="test-asciz \
     test-undef \
     test-word-comma"
 
+status=0
+
 assemble() {
     t="$1"
 
     ../macro11 -l "$t".lst -o "$t".obj "$t".mac 2>/dev/null
 
+    # Ignore error status and messages from the assembler.
+    # We check the listing file to see what we expect.
+
     if [ -e "$t".lst.ok ]
     then
         diff -u "$t".lst.ok "$t".lst
+	status=$((status + $?))
     fi
 
     if [ -e "$t".objd.ok ]
     then
         ../dumpobj "$t".obj >"$t".objd
         diff -u "$t".objd.ok "$t".objd
+	status=$((status + $?))
     fi
 }
 
@@ -65,3 +72,5 @@ EOF
     
     assemble "$fn"
 done
+
+exit $status