Bump buidlroot version to 2018.02.6

bsp/buildroot/package/libcurl/libcurl.mk

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-LIBCURL_VERSION = 7.59.0
+LIBCURL_VERSION = 7.61.1
 LIBCURL_SOURCE = curl-$(LIBCURL_VERSION).tar.xz
 LIBCURL_SITE = https://curl.haxx.se/download
 LIBCURL_DEPENDENCIES = host-pkgconf \
@@ -38,7 +38,6 @@ LIBCURL_CONFIG_SCRIPTS = curl-config
 
 ifeq ($(BR2_PACKAGE_OPENSSL),y)
 LIBCURL_DEPENDENCIES += openssl
-LIBCURL_CONF_ENV += ac_cv_lib_crypto_CRYPTO_lock=yes
 # configure adds the cross openssl dir to LD_LIBRARY_PATH which screws up
 # native stuff during the rest of configure when target == host.
 # Fix it by setting LD_LIBRARY_PATH to something sensible so those libs
@@ -88,4 +87,18 @@ endef
 LIBCURL_POST_INSTALL_TARGET_HOOKS += LIBCURL_TARGET_CLEANUP
 endif
 
+HOST_LIBCURL_DEPENDENCIES = host-openssl
+HOST_LIBCURL_CONF_OPTS = \
+	--disable-manual \
+	--disable-ntlm-wb \
+	--disable-curldebug \
+	--with-ssl \
+	--without-gnutls \
+	--without-mbedtls \
+	--without-polarssl \
+	--without-nss
+
+HOST_LIBCURL_POST_PATCH_HOOKS += LIBCURL_FIX_DOT_PC
+
 $(eval $(autotools-package))
+$(eval $(host-autotools-package))