This patch causes aria2 to depend on an external wslay.
The wslay version was copied from the configure.ac in deps/wslay
configure still needs to be deleted to update the script
deps/wslay is no longer necessary and can also be removed

diff --git a/Makefile.am b/Makefile.am
index afe70a2..8c4d058 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -1,4 +1,4 @@
-SUBDIRS =  po lib deps src doc test
+SUBDIRS =  po lib src doc test
 
 ACLOCAL_AMFLAGS = -I m4 --install
 RST2HTML = @RST2HTML@
diff --git a/configure.ac b/configure.ac
index 14b340f..74d5937 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1001,15 +1001,18 @@ if test "x$have_option_const_name" = "xyes"; then
 fi
 
 if test "x$enable_websocket" = "xyes"; then
-  AC_CONFIG_SUBDIRS([deps/wslay])
+  PKG_CHECK_MODULES([WSLAY], [libwslay >= 1.1.1], [have_wslay=yes], [have_wslay=no])
   enable_websocket=yes
   AC_DEFINE([ENABLE_WEBSOCKET], [1],
             [Define 1 if WebSocket support is enabled.])
-  # $(top_srcdir) for `make distcheck`
-  WSLAY_CFLAGS="-I\$(top_builddir)/deps/wslay/lib/includes -I\$(top_srcdir)/deps/wslay/lib/includes"
-  WSLAY_LIBS="\$(top_builddir)/deps/wslay/lib/libwslay.la"
-  AC_SUBST([WSLAY_CFLAGS])
-  AC_SUBST([WSLAY_LIBS])
+  if test "x$have_wslay" = "xyes"; then
+    WSLAY_CFLAGS="$WSLAY_CFLAGS"
+    WSLAY_LIBS="$WSLAY_LIBS"
+    AC_SUBST([WSLAY_CFLAGS])
+    AC_SUBST([WSLAY_LIBS])
+  else
+    ARIA2_DEP_NOT_MET([wslay])
+  fi
 fi
 AM_CONDITIONAL([ENABLE_WEBSOCKET], [test "x$enable_websocket" = "xyes"])
 
@@ -1071,8 +1074,7 @@ AC_CONFIG_FILES([Makefile
                 doc/manual-src/ru/Makefile
                 doc/manual-src/ru/conf.py
                 doc/manual-src/pt/Makefile
-                doc/manual-src/pt/conf.py
-                deps/Makefile])
+                doc/manual-src/pt/conf.py])
 AC_OUTPUT
 
 AC_MSG_NOTICE([summary of build options:

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<div class='path'>path: <a href='/guix/log/?id=9ee316a7e4ec9d25398e4a59bc3dd2f0a1cfb270'>root</a>/<a href='/guix/log/tests?id=9ee316a7e4ec9d25398e4a59bc3dd2f0a1cfb270'>tests</a>/<a href='/guix/log/tests/networking.scm?id=9ee316a7e4ec9d25398e4a59bc3dd2f0a1cfb270'>networking.scm</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/guix/log/tests/networking.scm?id=9ee316a7e4ec9d25398e4a59bc3dd2f0a1cfb270&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2021-01-16 23:30:59 +0100'>2021-01-16</span></td><td><a href='/guix/commit/tests/networking.scm?id=181f290aa262eae22819c6234b4065786afb14cf'>services: openntpd: Remove support for deprecated "-s" option.</a><span class='msg-avail'>...</span></td><td>Simon South</td></tr>