resource: Make definition of FIRMWARE_DIR optional

diff --git a/src/resource.c b/src/resource.c
index bcb7a19146b59ef7ca6ea70372ae7a377d04d076..bf28169be769f6e6906b844e0a84a240b4812723 100644 (file)
--- a/src/resource.c
+++ b/src/resource.c
@@ -99,7 +99,10 @@ static int resource_open_default(struct sr_resource *res,
                const char *name, void *cb_data)
 {
        int64_t filesize;
-       const char *builtindir, *subdir;
+#ifdef FIRMWARE_DIR
+       const char *builtindir;
+#endif
+       const char *subdir;
        const char *const *datadirs;
        FILE *file;
 
@@ -107,7 +110,9 @@ static int resource_open_default(struct sr_resource *res,
 
        switch (res->type) {
        case SR_RESOURCE_FIRMWARE:
+#ifdef FIRMWARE_DIR
                builtindir = FIRMWARE_DIR;
+#endif
                subdir = "sigrok-firmware";
                break;
        default:
@@ -120,9 +125,10 @@ static int resource_open_default(struct sr_resource *res,
         * Scan the hard-coded directory before the system directories to
         * avoid picking up possibly outdated files from a system install.
         */
+#ifdef FIRMWARE_DIR
        if (!file)
                file = try_open_file(builtindir, "", name);
-
+#endif
        if (!file) {
                datadirs = g_get_system_data_dirs();
                while (*datadirs && !file)