diff --git a/package/libcurl/0001-curl-confopts.m4-fix-disable-threaded-resolver.patch b/package/libcurl/0001-curl-confopts.m4-fix-disable-threaded-resolver.patch
new file mode 100644
index 0000000000..c7a563e825
--- /dev/null
+++ b/package/libcurl/0001-curl-confopts.m4-fix-disable-threaded-resolver.patch
@@ -0,0 +1,40 @@
+From 3cb4bb6b5fb8a936cb69e2e9ea6a4e692122abb9 Mon Sep 17 00:00:00 2001
+From: Jakub Zakrzewski <slither.jz@gmail.com>
+Date: Tue, 15 Aug 2017 13:21:33 -0400
+Subject: [PATCH] curl-confopts.m4: fix --disable-threaded-resolver
+
+Closes https://github.com/curl/curl/issues/1784
+
+Signed-off-by: Baruch Siach <baruch@tkos.co.il>
+---
+Upstream status: commit 3cb4bb6b5fb
+
+ m4/curl-confopts.m4 | 8 ++++----
+ 1 file changed, 4 insertions(+), 4 deletions(-)
+
+diff --git a/m4/curl-confopts.m4 b/m4/curl-confopts.m4
+index d77a884d58bd..6dcd0f1a6794 100644
+--- a/m4/curl-confopts.m4
++++ b/m4/curl-confopts.m4
+@@ -37,14 +37,14 @@ AC_HELP_STRING([--enable-threaded-resolver],[Enable threaded resolver])
+ AC_HELP_STRING([--disable-threaded-resolver],[Disable threaded resolver]),
+   OPT_THRES=$enableval)
+   case "$OPT_THRES" in
+-    *)
+-      dnl configure option not specified
+-      want_thres="yes"
+-      ;;
+     no)
+       dnl --disable-threaded-resolver option used
+       want_thres="no"
+       ;;
++    *)
++      dnl configure option not specified
++      want_thres="yes"
++      ;;
+   esac
+   AC_MSG_RESULT([$want_thres])
+ ])
+-- 
+2.14.1
+
diff --git a/package/libcurl/libcurl.mk b/package/libcurl/libcurl.mk
index 64110cccf0..d7f860eb1b 100644
--- a/package/libcurl/libcurl.mk
+++ b/package/libcurl/libcurl.mk
@@ -14,6 +14,8 @@ LIBCURL_DEPENDENCIES = host-pkgconf \
 LIBCURL_LICENSE = curl
 LIBCURL_LICENSE_FILES = COPYING
 LIBCURL_INSTALL_STAGING = YES
+# Patching m4/curl-confopts.m4
+LIBCURL_AUTORECONF = YES
 
 # We disable NTLM support because it uses fork(), which doesn't work
 # on non-MMU platforms. Moreover, this authentication method is
@@ -22,6 +24,12 @@ LIBCURL_INSTALL_STAGING = YES
 LIBCURL_CONF_OPTS = --disable-manual --disable-ntlm-wb \
 	--enable-hidden-symbols --with-random=/dev/urandom --disable-curldebug
 
+ifeq ($(BR2_TOOLCHAIN_HAS_THREADS),y)
+LIBCURL_CONF_OPTS += --enable-threaded-resolver
+else
+LIBCURL_CONF_OPTS += --disable-threaded-resolver
+endif
+
 ifeq ($(BR2_PACKAGE_LIBCURL_VERBOSE),y)
 LIBCURL_CONF_OPTS += --enable-verbose
 else