--- /dev/null
+From abff9db9a6e86e00613a420dd6a0ba3bc81e2b72 Mon Sep 17 00:00:00 2001
+From: Peter Seiderer <ps.report@gmx.net>
+Date: Fri, 2 Nov 2018 12:58:57 +0100
+Subject: [PATCH] ell/signal.h: use standard sigset_t, fixes musl compile
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+Use standard sigset_t (instead __sigset_t):
+
+- fixes musl compile
+- fies mismatch between header and implementation file
+
+Fixes:
+
+ In file included from ell/main.c:35:0:
+ ell/signal.h:39:40: error: unknown type name ‘__sigset_t’
+ struct l_signal *l_signal_create(const __sigset_t *mask,
+ ^~~~~~~~~~
+ In file included from ell/signal.c:35:0:
+ ell/signal.h:39:40: error: unknown type name ‘__sigset_t’
+ struct l_signal *l_signal_create(const __sigset_t *mask,
+ ^~~~~~~~~~
+ ell/signal.c:153:29: error: conflicting types for ‘l_signal_create’
+ LIB_EXPORT struct l_signal *l_signal_create(const sigset_t *mask,
+ ^~~~~~~~~~~~~~~
+ In file included from ell/signal.c:35:0:
+ ell/signal.h:39:18: note: previous declaration of ‘l_signal_create’ was here
+ struct l_signal *l_signal_create(const __sigset_t *mask,
+ ^~~~~~~~~~~~~~~
+
+Reverts upstream commit [1], superseeded in the next version by [2].
+
+[1] https://git.kernel.org/pub/scm/libs/ell/ell.git/commit/?id=7af8e3ba0ed522897f5a87e6c8f2980f82ff5012
+[2] https://git.kernel.org/pub/scm/libs/ell/ell.git/commit/?id=4a386a10d88ff52097a974167ab889b3fc2add70
+
+Signed-off-by: Peter Seiderer <ps.report@gmx.net>
+---
+ ell/signal.h | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/ell/signal.h b/ell/signal.h
+index 0d4fdc8..98cf0fa 100644
+--- a/ell/signal.h
++++ b/ell/signal.h
+@@ -36,7 +36,7 @@ typedef void (*l_signal_notify_cb_t) (struct l_signal *signal,
+ uint32_t signo, void *user_data);
+ typedef void (*l_signal_destroy_cb_t) (void *user_data);
+
+-struct l_signal *l_signal_create(const __sigset_t *mask,
++struct l_signal *l_signal_create(const sigset_t *mask,
+ l_signal_notify_cb_t callback,
+ void *user_data, l_signal_destroy_cb_t destroy);
+ void l_signal_remove(struct l_signal *signal);
+--
+2.19.1
+
--- /dev/null
+config BR2_PACKAGE_ELL
+ bool "ell"
+ depends on BR2_TOOLCHAIN_HAS_SYNC_4
+ depends on !BR2_STATIC_LIBS
+ depends on BR2_USE_WCHAR
+ help
+ Embedded Linux library (ell)
+
+ https://01.org/ell
+
+comment "ell needs a toolchain w/ dynamic library, wchar"
+ depends on BR2_TOOLCHAIN_HAS_SYNC_4
+ depends on BR2_STATIC_LIBS || !BR2_USE_WCHAR
--- /dev/null
+################################################################################
+#
+# ell
+#
+################################################################################
+
+ELL_VERSION = 0.13
+ELL_SITE = https://git.kernel.org/pub/scm/libs/ell/ell.git
+ELL_SITE_METHOD = git
+ELL_LICENSE = LGPL-2.1+
+ELL_LICENSE_FILES = COPYING
+ELL_INSTALL_STAGING = YES
+# sources from git, no configure script provided
+ELL_AUTORECONF = YES
+
+# autoreconf requires an existing build-aux directory
+define ELL_MKDIR_BUILD_AUX
+ mkdir -p $(@D)/build-aux
+endef
+ELL_POST_PATCH_HOOKS += ELL_MKDIR_BUILD_AUX
+
+ELL_DEPENDENCIES = host-pkgconf
+
+# disable ell/glib main loop example
+ELL_CONF_OPTS = --disable-glib
+
+$(eval $(autotools-package))