-AC_ARG_WITH(urcu, [ --with-urcu path Path to userspace RCU source], [
- AC_CHECK_FILE(["$withval/urcu.h"], [
- URCU_CFLAGS="-I$withval"
- URCU_LIBS="-L$withval -lurcu" ],
- AC_MSG_ERROR([Cannot find urcu.h in urcu directory]))
-], [
- PKG_CHECK_MODULES(URCU, [liburcu], , [
- AC_MSG_ERROR([Must specify urcu path.])])
-])
-AC_SUBST(URCU_CFLAGS)
-AC_SUBST(URCU_LIBS)