在acinclude.m4中增加用于覆盖率的宏

AC_MSG_CHECKING(for test)

AC_ARG_ENABLE([test], [AS_HELP_STRING([--enable-test], [compile for test@<:@default=no@:>@])])

if test "$enable_test" == "yes" ; then

    enable_test="yes"

    CFLAGS="${CFLAGS} -fPIC -fprofile-arcs -ftest-coverage";

    CXXFLAGS="${CXXFLAGS} -fPIC -fprofile-arcs -ftest-coverage";

    LDFLAGS="${LDFLAGS} -lgcov -fprofile-arcs -ftest-coverage";

else

    enable_test="no"

fi

AC_MSG_RESULT([$enable_test])