1 files changed, 41 insertions, 0 deletions
diff --git a/meta/recipes-devtools/qemu/qemu-helper/qemu-oe-bridge-helper.c b/meta/recipes-devtools/qemu/qemu-helper/qemu-oe-bridge-helper.c
new file mode 100644
index 0000000000..cadf2a012a
--- /dev/null
+++ b/meta/recipes-devtools/qemu/qemu-helper/qemu-oe-bridge-helper.c
@@ -0,0 +1,41 @@
+/*
+ * Copyright 2022 Garmin Ltd. or its subsidiaries
+ *
+ * SPDX-License-Identifier: GPL-2.0
+ *
+ * Attempts to find and exec the host qemu-bridge-helper program
+ */
+
+#include <stdio.h>
+#include <unistd.h>
+
+void try_program(char const* path, char** args) {
+    if (access(path, X_OK) == 0) {
+        execv(path, args);
+    }
+}
+
+int main(int argc, char** argv) {
+    char* var;
+
+    /* Copy arguments so that they are a NULL terminated list, skipping argv[0]
+     * since it is this program name */
+    char** args = malloc(argc * sizeof(char*));
+    for (int i = 0; i < argc - 1; i++) {
+        args[i] = argv[i + 1];
+    }
+    args[argc - 1] = NULL;
+
+    var = getenv("QEMU_BRIDGE_HELPER");
+    if (var && var[0] != '\0') {
+        execvp(var, args);
+        return 1;
+    }
+
+    try_program("/usr/libexec/qemu-bridge-helper", args);
+    try_program("/usr/lib/qemu/qemu-bridge-helper", args);
+
+    fprintf(stderr, "No bridge helper found\n");
+    return 1;
+}
+