cat > lib/libfoo.c++ << 'END'
#include "libfoo.h++"
-#include <string>
std::string target (void)
{
std::string s1 = "Test";
END
./configure
-CC=false $MAKE -e
+run_make CC=false
ls -l . src lib # For debugging.
$MAKE test-objs
VERBOSE=yes $MAKE check-TESTS