Use release tarball for curl, with a couple patches

recipes/curl/01-no-nonblock.patch

@@ -0,0 +1,12 @@
+diff -ru source/lib/nonblock.c source-new/lib/nonblock.c
+--- source/lib/nonblock.c	2017-08-07 15:42:29.000000000 -0700
++++ source-new/lib/nonblock.c	2017-08-17 10:57:30.123497389 -0700
+@@ -47,7 +47,7 @@
+ int curlx_nonblock(curl_socket_t sockfd,    /* operate on this */
+                    int nonblock   /* TRUE or FALSE */)
+ {
+-#if defined(USE_BLOCKING_SOCKETS)
++#if 1
+ 
+   return 0; /* returns success */
+ 

recipes/curl/02-threaded-resolver-fix.patch

@@ -0,0 +1,31 @@
+commit 3cb4bb6b5fb8a936cb69e2e9ea6a4e692122abb9
+Author: Jakub Zakrzewski <slither.jz@gmail.com>
+Date:   Tue Aug 15 13:21:33 2017 -0400
+
+    curl-confopts.m4: fix --disable-threaded-resolver
+    
+    Closes https://github.com/curl/curl/issues/1784
+
+diff --git a/m4/curl-confopts.m4 b/m4/curl-confopts.m4
+index d77a884d5..6dcd0f1a6 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])
+ ])

recipes/curl/recipe.sh

@@ -1,4 +1,4 @@
-GIT=https://github.com/ids1024/curl.git
+TAR=https://curl.haxx.se/download/curl-7.55.1.tar.gz
 BRANCH=redox
 BUILD_DEPENDS=(openssl)
 
@@ -13,7 +13,9 @@ function recipe_update {
 }
 
 function recipe_build {
-    ./configure --prefix=/ --host=${HOST} --disable-tftp --disable-ftp --disable-ntlm-wb --with-ssl="$PWD/../sysroot" --with-ca-path=/ssl/certs
+    wget -O config.sub http://git.savannah.gnu.org/cgit/config.git/plain/config.sub
+    autoreconf
+    ./configure --prefix=/ --host=${HOST} --disable-tftp --disable-ftp --disable-ntlm-wb --disable-threaded-resolver --with-ssl="$PWD/../sysroot" --with-ca-path=/ssl/certs
     make
     skip=1
 }