1 files changed, 3 insertions, 0 deletions

diff --git a/auto/init b/auto/init
index 03e8a2b2d..2cc024abd 100644
--- a/auto/init
+++ b/auto/init
@@ -9,7 +9,10 @@ NGX_ERR=$OBJS/autoconf.err
 
 CC_WARN=$CC
 
+PCH=NO
+USEPCH=
 
+BINEXT=
 INC_EQ=NO
 MAKE_BS=NO
 MAKE_SL=NO