From c4dfb76b0dcd7ddccddb200b20039d66df51175d Mon Sep 17 00:00:00 2001
From: Gregory Nutt <gnutt@nuttx.org>
Date: Sun, 30 Dec 2018 16:05:28 -0600
Subject: [PATCH] Fix some warnings found in build testing.

---
 arch/arm/src/stm32f0l0/hardware/stm32f0_pwr.h | 4 ++--
 configs/stm32butterfly2/src/Makefile          | 2 +-
 net/sixlowpan/sixlowpan_hc06.c                | 1 -
 3 files changed, 3 insertions(+), 4 deletions(-)

diff --git a/arch/arm/src/stm32f0l0/hardware/stm32f0_pwr.h b/arch/arm/src/stm32f0l0/hardware/stm32f0_pwr.h
index 9081a21ee7..d28979805a 100644
--- a/arch/arm/src/stm32f0l0/hardware/stm32f0_pwr.h
+++ b/arch/arm/src/stm32f0l0/hardware/stm32f0_pwr.h
@@ -48,8 +48,8 @@
  * Pre-processor Definitions
  ************************************************************************************/
 
-#undef HAVE_PWR_WKUP2        1
-#undef HAVE_PWR_WKUP3        1
+#undef HAVE_PWR_WKUP2
+#undef HAVE_PWR_WKUP3
 
 /* Register Offsets *****************************************************************/
 
diff --git a/configs/stm32butterfly2/src/Makefile b/configs/stm32butterfly2/src/Makefile
index 480c84a8a4..632158bc58 100644
--- a/configs/stm32butterfly2/src/Makefile
+++ b/configs/stm32butterfly2/src/Makefile
@@ -49,7 +49,7 @@ ifeq ($(CONFIG_STM32_OTGFS),y)
 CSRCS += stm32_usb.c
 endif
 
-ifeq ($(CONFIG_USBHOST),y)
+ifeq ($(CONFIG_STM32_USBHOST),y)
 CSRCS += stm32_usbhost.c
 endif
 
diff --git a/net/sixlowpan/sixlowpan_hc06.c b/net/sixlowpan/sixlowpan_hc06.c
index e4e872a71f..9c8d01589a 100644
--- a/net/sixlowpan/sixlowpan_hc06.c
+++ b/net/sixlowpan/sixlowpan_hc06.c
@@ -423,7 +423,6 @@ static void uncompress_addr(FAR const struct netdev_varaddr_s *addr,
                             FAR net_ipv6addr_t ipaddr)
 {
   FAR const uint8_t *srcptr;
-  bool fullmac      = false;
   bool usemac       = (prefpost & UNCOMPRESS_MACBASED) != 0;
   uint8_t prefcount = UNCOMPRESS_PREFLEN(prefpost);
   uint8_t postcount = UNCOMPRESS_POSTLEN(prefpost);