1 files changed, 2 insertions, 1 deletions

diff --git a/Makefile.in b/Makefile.in
index 73717cf6f35..6d933fa4979 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -217,7 +217,8 @@ lib-src: FRC.lib-src
 
 ${SUBDIR}: ${SUBDIR_MAKEFILES} FRC
         cd $@; $(MAKE) all $(MFLAGS) \
-                CC='${CC}' CFLAGS='${CFLAGS}' MAKE='${MAKE}'
+          CC='${CC}' CFLAGS='${CFLAGS}' CPPFLAGS='${CPPFLAGS}' \
+          LDFLAGS='${LDFLAGS}' MAKE='${MAKE}'
 
 Makefile: Makefile.in config.status
         ./config.status