diff --git a/components/lwip/port/esp8266/debug/lwip_debug.c b/components/lwip/port/esp8266/debug/lwip_debug.c
index d354f4025..ce6da3580 100644
--- a/components/lwip/port/esp8266/debug/lwip_debug.c
+++ b/components/lwip/port/esp8266/debug/lwip_debug.c
@@ -101,7 +101,9 @@ static void dbg_lwip_tcp_pcb_one_show(struct tcp_pcb* pcb)
     ESP_LWIP_LOGI("snd_lbb=%d snd_wnd=%d snd_wnd_max=%d", pcb->snd_lbb, pcb->snd_wnd, pcb->snd_wnd_max);
     //ESP_LWIP_LOGI("acked=%d", pcb->acked);
     ESP_LWIP_LOGI("snd_buf=%d snd_queuelen=%d", pcb->snd_buf, pcb->snd_queuelen);
+#if TCP_OVERSIZE
     ESP_LWIP_LOGI("unsent_oversize=%d", pcb->unsent_oversize);
+#endif
     ESP_LWIP_LOGI("keep_idle=%d keep_intvl=%d keep_cnt=%d", pcb->keep_idle, pcb->keep_intvl, pcb->keep_cnt);
     ESP_LWIP_LOGI("persist_cnt=%d persist_backoff=%d", pcb->persist_cnt, pcb->persist_backoff);
     ESP_LWIP_LOGI("keep_cnt_sent=%d", pcb->keep_cnt_sent);
diff --git a/components/spi_flash/CMakeLists.txt b/components/spi_flash/CMakeLists.txt
index 255eff8e7..287e63c13 100644
--- a/components/spi_flash/CMakeLists.txt
+++ b/components/spi_flash/CMakeLists.txt
@@ -1,4 +1,4 @@
-set(srcs "src/partition"
+set(srcs "src/partition.c"
          "src/spi_flash_raw.c"
          "src/spi_flash.c")
 if(BOOTLOADER_BUILD)
diff --git a/tools/kconfig/lxdialog/check-lxdialog.sh b/tools/kconfig/lxdialog/check-lxdialog.sh
index e9daa6270..6408baae5 100755
--- a/tools/kconfig/lxdialog/check-lxdialog.sh
+++ b/tools/kconfig/lxdialog/check-lxdialog.sh
@@ -63,7 +63,7 @@ trap "rm -f $tmp ${tmp%.tmp}.d" 0 1 2 3 15
 check() {
         $cc -x c - -o $tmp 2>/dev/null <<'EOF'
 #include CURSES_LOC
-main() {}
+int main() {}
 EOF
 	if [ $? != 0 ]; then
 	    echo " *** Unable to find the ncurses libraries or the"       1>&2