clean up build: GCC warnings

targets/stm32l432/bootloader/bootloader.c

@@ -95,9 +95,10 @@ int is_bootloader_disabled()
 int bootloader_bridge(int klen, uint8_t * keyh)
 {
     static int has_erased = 0;
-    int i;
     BootloaderReq * req =  (BootloaderReq *  )keyh;
+#ifndef SOLO_HACKER
     uint8_t hash[32];
+#endif
     uint8_t version = 1;
     uint16_t len = (req->lenh << 8) | (req->lenl);
 
@@ -107,8 +108,10 @@ int bootloader_bridge(int klen, uint8_t * keyh)
         return CTAP1_ERR_INVALID_LENGTH;
     }
 
+#ifndef SOLO_HACKER
     uint8_t * pubkey = (uint8_t*)"\xd2\xa4\x2f\x8f\xb2\x31\x1c\xc1\xf7\x0c\x7e\x64\x32\xfb\xbb\xb4\xa3\xdd\x32\x20\x0f\x1b\x88\x9c\xda\x62\xc2\x83\x25\x93\xdd\xb8\x75\x9d\xf9\x86\xee\x03\x6c\xce\x34\x47\x71\x36\xb3\xb2\xad\x6d\x12\xb7\xbe\x49\x3e\x20\xa4\x61\xac\xc7\x71\xc7\x1f\xa8\x14\xf2";
     const struct uECC_Curve_t * curve = NULL;
+#endif
 
     uint32_t addr = ((*((uint32_t*)req->addr)) & 0xffffff) | 0x8000000;
 

targets/stm32l432/bootloader/main.c

@@ -42,7 +42,9 @@ int main(int argc, char * argv[])
 {
     uint8_t hidmsg[64];
     uint32_t t1 = 0;
+#ifdef SOLO_HACKER
     uint32_t stboot_time = 0;
+#endif
     uint32_t boot = 1;
 
     set_logging_mask(
@@ -102,7 +104,9 @@ int main(int argc, char * argv[])
 
         printf1(TAG_RED,"Not authorized to boot (%08x == %08lx)\r\n", AUTH_WORD_ADDR, *(uint32_t*)AUTH_WORD_ADDR);
     }
+#ifdef SOLO_HACKER
     start_bootloader:
+#endif
     usbhid_init();
     printf1(TAG_GEN,"init usb\n");