Add -static-libstdc++ to TARGET_LDFLAGS to avoid a hard dependency on libstdc++, and -Wl,--gc-sections to further reduce the size on platforms that support it. Fixes CVE-2017-9778. Signed-off-by: Stijn Tintel <stijn@linux-ipv6.be>
Fixes FS#637 Signed-off-by: Yousong Zhou <yszhou4tech@gmail.com>