journal: fix build in VALGRIND compatibility mode

[elogind.git] / README

diff --git a/README b/README
index 7b72b2e7588e15fa1d7f7caf6af4457b45ff6d94..25dadde0560c067fe059f051758c894260cda3e0 100644 (file)
--- a/README
+++ b/README
@@ -105,6 +105,11 @@ WARNINGS:
         For more information on this issue consult
         http://freedesktop.org/wiki/Software/systemd/separate-usr-is-broken
 
+        To run systemd under valgrind, compile with VALGRIND defined
+        (e.g. ./configure CPPFLAGS='... -DVALGRIND=1'). Otherwise,
+        false positives will be triggered by code which violates
+        some rules but is actually safe.
+
 ENGINEERING AND CONSULTING SERVICES:
         ProFUSION <http://profusion.mobi> offers professional
         engineering and consulting services for systemd for embedded