AC_CHECK_LIB(dl, dlopen, , AC_MSG_ERROR([libdl library is missing. boehm-gc build will fail.]))
AC_CHECK_LIB(gc, GC_gcollect, , AC_MSG_ERROR([Boehm GC library is missing. boehm-gc build will fail.]))
AC_DEFINE(WITH_MALLOC_BOEHM_GC, 1, [Define if using the Boehm GC to garbage collect and check memory leaks])
AC_CHECK_LIB(dl, dlopen, , AC_MSG_ERROR([libdl library is missing. boehm-gc build will fail.]))
AC_CHECK_LIB(gc, GC_gcollect, , AC_MSG_ERROR([Boehm GC library is missing. boehm-gc build will fail.]))
AC_DEFINE(WITH_MALLOC_BOEHM_GC, 1, [Define if using the Boehm GC to garbage collect and check memory leaks])