initial buildroot for linux 5.15

package/ofono/0001-uclibc-backtrace.patch

@@ -0,0 +1,49 @@
+[PATCH] fix build on uClibc without UCLIBC_HAS_BACKTRACE
+
+Backtrace support is only used for logging on signal errors, which
+isn't really critical, so simply remove backtrace info if not
+available in uClibc.
+
+NOTE: based on patch from Peter Korsgaard <jacmet@sunsite.dk>
+
+Signed-off-by: Petr Vorel <petr.vorel@gmail.com>
+---
+--- ofono-1.7.orig/src/log.c
++++ ofono-1.7/src/log.c
+@@ -30,7 +30,8 @@
+ #include <stdlib.h>
+ #include <string.h>
+ #include <syslog.h>
+-#ifdef __GLIBC__
++#if defined(__GLIBC__) && !(defined(__UCLIBC__) && !defined (__UCLIBC_HAS_BACKTRACE__))
++#define HAVE_BACKTRACE
+ #include <execinfo.h>
+ #endif
+ #include <dlfcn.h>
+@@ -115,7 +116,7 @@
+	va_end(ap);
+ }
+ 
+-#ifdef __GLIBC__
++#ifdef HAVE_BACKTRACE
+ static void print_backtrace(unsigned int offset)
+ {
+ 	void *frames[99];
+@@ -312,7 +313,7 @@
+	if (detach == FALSE)
+		option |= LOG_PERROR;
+ 
+-#ifdef __GLIBC__
++#ifdef HAVE_BACKTRACE
+	signal_setup(signal_handler);
+ #endif
+
+@@ -329,7 +330,7 @@
+
+	closelog();
+
+-#ifdef __GLIBC__
++#ifdef HAVE_BACKTRACE
+	signal_setup(SIG_DFL);
+ #endif
+ 

package/ofono/0002-fix-musl-compile.patch

@@ -0,0 +1,37 @@
+From 4a1d114fa3a5d6bef1f71222787c1f6c3a952284 Mon Sep 17 00:00:00 2001
+From: Nicolas Serafini <nicolas.serafini@sensefly.com>
+Date: Thu, 24 Jan 2019 10:11:42 +0100
+Subject: [PATCH] mbim: add optional copy of TEMP_FAILURE_RETRY macro (fix musl
+ compile)
+
+TEMP_FAILURE_RETRY is not available on musl.
+
+Signed-off-by: Nicolas Serafini <nicolas.serafini@sensefly.com>
+---
+ drivers/mbimmodem/mbim.c | 10 ++++++++++
+ 1 file changed, 10 insertions(+)
+
+diff --git a/drivers/mbimmodem/mbim.c b/drivers/mbimmodem/mbim.c
+index 54b18acf..4b040528 100644
+--- a/drivers/mbimmodem/mbim.c
++++ b/drivers/mbimmodem/mbim.c
+@@ -37,6 +37,16 @@
+ #include "mbim-message.h"
+ #include "mbim-private.h"
+ 
++/* taken from glibc unistd.h for musl support */
++#ifndef TEMP_FAILURE_RETRY
++#define TEMP_FAILURE_RETRY(expression)             \
++  (__extension__                                   \
++    ({ long int __result;                          \
++       do __result = (long int) (expression);      \
++       while (__result == -1L && errno == EINTR);  \
++       __result; }))
++#endif
++
+ #define MAX_CONTROL_TRANSFER 4096
+ #define HEADER_SIZE (sizeof(struct mbim_message_header) + \
+ 					sizeof(struct mbim_fragment_header))
+-- 
+2.20.1
+

package/ofono/Config.in

@@ -0,0 +1,26 @@
+config BR2_PACKAGE_OFONO
+	bool "ofono"
+	depends on BR2_USE_WCHAR # gettext, libglib2, ell
+	depends on BR2_TOOLCHAIN_HAS_THREADS # dbus, libglib2
+	depends on BR2_USE_MMU # dbus, libglib2
+	depends on !BR2_STATIC_LIBS # dlopen(), ell
+	depends on BR2_TOOLCHAIN_HAS_SYNC_4
+	depends on BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_12 # ell
+	select BR2_PACKAGE_DBUS
+	select BR2_PACKAGE_ELL
+	select BR2_PACKAGE_LIBCAP_NG
+	select BR2_PACKAGE_LIBGLIB2
+	select BR2_PACKAGE_MOBILE_BROADBAND_PROVIDER_INFO
+	help
+	  oFono is a free, open source project for mobile telephony
+	  (GSM/UMTS) applications. It uses high-level D-Bus API for
+	  use by telephony applications. It uses 3GPP standard.
+
+	  http://ofono.org/
+
+comment "ofono needs a toolchain w/ dynamic library, wchar, threads, headers >= 4.12"
+	depends on BR2_USE_MMU
+	depends on BR2_TOOLCHAIN_HAS_SYNC_4
+	depends on BR2_STATIC_LIBS || !BR2_USE_WCHAR || \
+		!BR2_TOOLCHAIN_HAS_THREADS || \
+		!BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_12

package/ofono/S46ofono

@@ -0,0 +1,22 @@
+#!/bin/sh
+
+case "$1" in
+	start)
+		printf "Starting ofono ... "
+		start-stop-daemon -S -q -m -b -p /var/run/ofonod.pid --exec /usr/sbin/ofonod -- -n
+		echo "done."
+		;;
+	stop)
+		printf "Stopping ofono ..."
+		start-stop-daemon -K -q -p /var/run/ofonod.pid
+		echo "done."
+		;;
+	restart)
+		$0 stop
+		sleep 1
+		$0 start
+		;;
+	*)
+		echo "usage: $0 {start|stop|restart}"
+		;;
+esac

package/ofono/ofono.hash

@@ -0,0 +1,4 @@
+# From https://www.kernel.org/pub/linux/network/ofono/sha256sums.asc
+sha256 a15c5d28096c10eb30e47a68b6dc2e7c4a5a99d7f4cfedf0b69624f33d859e9b  ofono-1.31.tar.xz
+# Locally computed
+sha256 e6d6a009505e345fe949e1310334fcb0747f28dae2856759de102ab66b722cb4	COPYING

package/ofono/ofono.mk

@@ -0,0 +1,48 @@
+################################################################################
+#
+# ofono
+#
+################################################################################
+
+OFONO_VERSION = 1.31
+OFONO_SOURCE = ofono-$(OFONO_VERSION).tar.xz
+OFONO_SITE = $(BR2_KERNEL_MIRROR)/linux/network/ofono
+OFONO_LICENSE = GPL-2.0
+OFONO_LICENSE_FILES = COPYING
+OFONO_DEPENDENCIES = \
+	host-pkgconf \
+	dbus \
+	ell \
+	libcap-ng \
+	libglib2 \
+	mobile-broadband-provider-info
+
+OFONO_CONF_OPTS = \
+	--enable-external-ell \
+	--disable-test \
+	--with-dbusconfdir=/etc \
+	$(if $(BR2_INIT_SYSTEMD),--with-systemdunitdir=/usr/lib/systemd/system)
+
+# N.B. Qualcomm QMI modem support requires O_CLOEXEC; so
+# make sure that it is defined.
+OFONO_CONF_ENV += CFLAGS="$(TARGET_CFLAGS) -D_GNU_SOURCE"
+
+define OFONO_INSTALL_INIT_SYSV
+	$(INSTALL) -m 0755 -D package/ofono/S46ofono $(TARGET_DIR)/etc/init.d/S46ofono
+endef
+
+ifeq ($(BR2_PACKAGE_HAS_UDEV),y)
+OFONO_CONF_OPTS += --enable-udev
+OFONO_DEPENDENCIES += udev
+else
+OFONO_CONF_OPTS += --disable-udev
+endif
+
+ifeq ($(BR2_PACKAGE_BLUEZ5_UTILS),y)
+OFONO_CONF_OPTS += --enable-bluetooth
+OFONO_DEPENDENCIES += bluez5_utils
+else
+OFONO_CONF_OPTS += --disable-bluetooth
+endif
+
+$(eval $(autotools-package))