1 files changed, 2 insertions, 0 deletions
diff --git a/Makefile b/Makefile
index 44573805..e1448eee 100644
--- a/Makefile
+++ b/Makefile
@@ -18,6 +18,8 @@ C_FILES = $(wildcard *.c)
 SCM_C_FILES = $(wildcard *.scm.c)
 X_FILES = $(SCM_C_FILES:.scm.c=.x)
 
+.SECONDARY: $(X_FILES)
+
 O_FILES = $(addprefix obj/,$(C_FILES:.c=.o))
 
 all: parse libguile-calendar.so