X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=src%2Fsystemd%2F_sd-common.h;h=cc3be9380315c4c1645a1a956de76ebee1b2033f;hb=3fa5dd6de798e17d93531bc900b8e2dc587c38f3;hp=594ff3db2bb15e8e5184fd07e7105a6f86430d68;hpb=98f91566cc7d43c6b86a711fa1d196ed5876b2f3;p=elogind.git

diff --git a/src/systemd/_sd-common.h b/src/systemd/_sd-common.h
index 594ff3db2..cc3be9380 100644
--- a/src/systemd/_sd-common.h
+++ b/src/systemd/_sd-common.h
@@ -24,6 +24,10 @@
 
 /* This is a private header, never even think of including this directly! */
 
+#if __INCLUDE_LEVEL__ <= 1
+#error "Do not include _sd-common.h directly, it is a private header."
+#endif
+
 #ifndef _sd_printf_
 #  if __GNUC__ >= 4
 #    define _sd_printf_(a,b) __attribute__ ((format (printf, a, b)))