1 files changed, 1 insertions, 1 deletions

diff --git a/lib-src/Makefile.in b/lib-src/Makefile.in
index 6c4b35bbfb5..6740ab8126c 100644
--- a/lib-src/Makefile.in
+++ b/lib-src/Makefile.in
@@ -104,7 +104,7 @@ SOURCES = COPYING ChangeLog Makefile.in README aixcc.lex emacs.csh \
 ### HAVE_CONFIG_H #defined before they know they can take advantage of
 ### the information in ../src/config.h.
 ALL_CFLAGS = ${C_SWITCH_SYSTEM} -Demacs -DHAVE_CONFIG_H \
-   -I${srcdir} -I${srcdir}/../src -I../src ${CFLAGS}
+   -I${srcdir} -I${srcdir}/../src -I. -I../src ${CFLAGS}
 .c.o:
         ${CC} -c ${CPPFLAGS} ${ALL_CFLAGS} $<