+AC_ARG_WITH(kcompat, [ --with-kcompat path Path to userspace kcompat source
+], [
+ AC_CHECK_FILE("$withval/kcompat.h", [
+ KCOMPAT_CFLAGS="-I$withval $URCU_CFLAGS"
+ KCOMPAT_LIBS=
+ ], AC_MSG_ERROR([Cannot find kcompat.h in kcompat directory]))
+], [
+ PKG_CHECK_MODULES(KCOMPAT, [libkcompat], , [
+ AC_MSG_ERROR([Must specify kcompat path.])])
+])
+AC_SUBST(KCOMPAT_CFLAGS)
+AC_SUBST(KCOMPAT_LIBS)
+