basic: move version() to build.h+c

src/basic/build.c

@@ -1,6 +1,9 @@
 /* SPDX-License-Identifier: LGPL-2.1-or-later */
 
+#include <stdio.h>
+
 #include "build.h"
+#include "macro.h"
 
 const char* const systemd_features =
 
@@ -226,3 +229,9 @@ const char* const systemd_features =
 
         " default-hierarchy=" DEFAULT_HIERARCHY_NAME
         ;
+
+int version(void) {
+        printf("systemd " STRINGIFY(PROJECT_VERSION) " (" GIT_VERSION ")\n%s\n",
+               systemd_features);
+        return 0;
+}

src/basic/build.h

@@ -4,3 +4,5 @@
 #include "version.h"
 
 extern const char* const systemd_features;
+
+int version(void);

src/basic/util.c

@@ -20,9 +20,3 @@
 
 int saved_argc = 0;
 char **saved_argv = NULL;
-
-int version(void) {
-        printf("systemd " STRINGIFY(PROJECT_VERSION) " (" GIT_VERSION ")\n%s\n",
-               systemd_features);
-        return 0;
-}

src/basic/util.h

@@ -65,5 +65,3 @@ static inline unsigned log2u_round_up(unsigned x) {
 
         return log2u(x - 1) + 1;
 }
-
-int version(void);