go: update from 1.10 to 1.10.2

- new bootstrapper
- disabled nagging build warnings

go.be0

@@ -1,8 +1,8 @@
 #!/usr/bin/env beesh
 
-# BEE_VERSION go-1.10-0
+# BEE_VERSION go-1.10.2-0
 
-SRCURL[0]="https://storage.googleapis.com/golang/go1.4-bootstrap-20170531.tar.gz"
+SRCURL[0]="https://storage.googleapis.com/golang/go1.4-bootstrap-20171003.tar.gz"
 SRCURL[1]="https://redirector.gvt1.com/edgedl/go/go${PKGVERSION}.src.tar.gz"
 
 # PATCHURL+=()
@@ -17,7 +17,7 @@ mee_extract() {
     # extract bootstrap version of go-1.4 to arbitrary location
     mkdir ${S}/bootstrap
     bee_extract_do_tar "${1}" ${S}/bootstrap --strip-components 1
-    shift  
+    shift
     bee_extract "${@}"
 }
 
@@ -27,19 +27,23 @@ mee_extract() {
 
 #mee_configure() {
 #    bee_configure
-#}
+#}mee_install()
 
 mee_build() {
 
     cd ${S}/../bootstrap/src
+
+    # https://github.com/golang/go/issues/16906  "cannot load DWARF output ..."
+    CGO_ENABLED=0 \
+    CFLAGS='-Wno-implicit-fallthrough -Wno-shift-negative-value' \
     ./make.bash
 
+    echo "---- bootstrap built ----"
     cd ${S}
 
     export GOROOT_BOOTSTRAP=${S}/../bootstrap
     export GOROOT_FINAL=${LIBDIR}/go
-
-    ./make.bash
+    ./make.bash --no-clean
 }
 
 
@@ -62,7 +66,7 @@ mee_install() {
     fmt html internal log os regexp strconv syscall time vendor"
 
     echo "LIBS=${LIBS}"
-    
+
     mkdir -p ${D}${LIBDIR}/go/src
     for i in $LIBS; do
       cp -r ${S}/${i} ${D}${LIBDIR}/go/src