+# Test multiple arguments with spaces to m4().
+echo "Test with multiple arguments with spaces passed to m4.
+first: FIRST
+second: SECOND
+" > tmp/test-multiple-spaces.m4
+m4 tmp/test-multiple-spaces -DFIRST="first with spaces" \
+ -DSECOND="second with spaces"
+# Remove the line with the current date as it changes every time.
+cat tmp/test-multiple-spaces \
+ | grep -v "It was generated from tmp/test-multiple-spaces.m4"
+