diff --git a/BaseLib/Configure.h.in b/BaseLib/Configure.h.in
index 2e2bf998ab26685f801cd2f80ecbb0ffd53d53d6..46912c6db137a828bff11ae79b22ecee598b631c 100644
--- a/BaseLib/Configure.h.in
+++ b/BaseLib/Configure.h.in
@@ -19,19 +19,19 @@
 #cmakedefine SIZEOF_VOID_P ${SIZEOF_VOID_P}
 
 // Has includes?
-#cmakedefine HAVE_DLFCN_H
-#cmakedefine HAVE_INTTYPES_H
-#cmakedefine HAVE_MALLOC_H
-#cmakedefine HAVE_MEMORY_H
-#cmakedefine HAVE_STDINT_H
-#cmakedefine HAVE_STDLIB_H
-#cmakedefine HAVE_STRINGS_H
-#cmakedefine HAVE_STRING_H
-#cmakedefine HAVE_SYS_STAT_H
-#cmakedefine HAVE_SYS_TIME_H
-#cmakedefine HAVE_SYS_TYPES_H
-#cmakedefine HAVE_UNISTD_H
-#cmakedefine HAVE_SYS_MOUNT_H
+#cmakedefine HAVE_DLFCN_H 1
+#cmakedefine HAVE_INTTYPES_H 1
+#cmakedefine HAVE_MALLOC_H 1
+#cmakedefine HAVE_MEMORY_H 1
+#cmakedefine HAVE_STDINT_H 1
+#cmakedefine HAVE_STDLIB_H 1
+#cmakedefine HAVE_STRINGS_H 1
+#cmakedefine HAVE_STRING_H 1
+#cmakedefine HAVE_SYS_STAT_H 1
+#cmakedefine HAVE_SYS_TIME_H 1
+#cmakedefine HAVE_SYS_TYPES_H 1
+#cmakedefine HAVE_UNISTD_H 1
+#cmakedefine HAVE_SYS_MOUNT_H 1
 
 #define SOURCEPATH "${CMAKE_SOURCE_DIR}"