initial buildroot for linux 5.15

package/s6-linux-init/0001-configure-add-D_GNU_SOURCE.patch

@@ -0,0 +1,40 @@
+From dadb157df58e79c7f560cacae80ea51953606fca Mon Sep 17 00:00:00 2001
+From: Fabrice Fontaine <fontaine.fabrice@gmail.com>
+Date: Sun, 11 Apr 2021 11:02:20 +0200
+Subject: [PATCH] configure: add -D_GNU_SOURCE
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+This will fix the following build failure with uclibc-ng which is raised
+since version 1.0.6.1 and
+https://github.com/skarnet/s6-linux-init/commit/355a75e08bbc8af8af97576bad07471dd1b431d8:
+
+src/shutdown/s6-linux-init-shutdownd.c: In function ‘main’:
+src/shutdown/s6-linux-init-shutdownd.c:294:24: error: ‘F_DUPFD_CLOEXEC’ undeclared (first use in this function); did you mean ‘FD_CLOEXEC’?
+  294 |       fd[0] = fcntl(1, F_DUPFD_CLOEXEC, 0) ;
+      |                        ^~~~~~~~~~~~~~~
+      |                        FD_CLOEXEC
+
+Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
+[Upstream status: https://github.com/skarnet/s6-linux-init/pull/3]
+---
+ configure | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/configure b/configure
+index 47db5b2..90fbb3b 100755
+--- a/configure
++++ b/configure
+@@ -138,7 +138,7 @@ getmacrostring () {
+ # Actual script
+ 
+ CC_AUTO=
+-CPPFLAGS_AUTO="-D_POSIX_C_SOURCE=200809L -D_XOPEN_SOURCE=700 -iquote src/include-local -Isrc/include"
++CPPFLAGS_AUTO="-D_GNU_SOURCE -D_POSIX_C_SOURCE=200809L -D_XOPEN_SOURCE=700 -iquote src/include-local -Isrc/include"
+ CPPFLAGS_POST="$CPPFLAGS"
+ CPPFLAGS=
+ CFLAGS_AUTO="-pipe -Wall"
+-- 
+2.30.2
+

package/s6-linux-init/Config.in

@@ -0,0 +1,12 @@
+config BR2_PACKAGE_S6_LINUX_INIT
+	bool "s6-linux-init"
+	depends on BR2_USE_MMU # s6
+	select BR2_PACKAGE_S6
+	select BR2_PACKAGE_S6_LINUX_UTILS
+	select BR2_PACKAGE_S6_PORTABLE_UTILS
+	help
+	  s6-linux-init is a set of minimalistic tools to create a
+	  s6-based init system, including a /sbin/init binary, on a
+	  Linux kernel.
+
+	  http://skarnet.org/software/s6-linux-init/

package/s6-linux-init/s6-linux-init.hash

@@ -0,0 +1,3 @@
+# Locally generated
+sha256  29e368516b1a3c61a6d1f8680645cc122a2e02127debec91738f170a3b93b8c5  s6-linux-init-1.0.6.3.tar.gz
+sha256  4a5e44a69d649f0c37b29d7f6e5df1bb292b09898247be07f0c97814dac4b15d  COPYING

package/s6-linux-init/s6-linux-init.mk

@@ -0,0 +1,36 @@
+################################################################################
+#
+# s6-linux-init
+#
+################################################################################
+
+S6_LINUX_INIT_VERSION = 1.0.6.3
+S6_LINUX_INIT_SITE = http://skarnet.org/software/s6-linux-init
+S6_LINUX_INIT_LICENSE = ISC
+S6_LINUX_INIT_LICENSE_FILES = COPYING
+S6_LINUX_INIT_DEPENDENCIES = s6 s6-linux-utils s6-portable-utils
+
+S6_LINUX_INIT_CONF_OPTS = \
+	--prefix=/ \
+	--with-sysdeps=$(STAGING_DIR)/lib/skalibs/sysdeps \
+	--with-include=$(STAGING_DIR)/include \
+	--with-dynlib=$(STAGING_DIR)/lib \
+	--with-lib=$(STAGING_DIR)/lib/execline \
+	--with-lib=$(STAGING_DIR)/lib/s6 \
+	--with-lib=$(STAGING_DIR)/lib/skalibs \
+	$(if $(BR2_STATIC_LIBS),,--disable-allstatic) \
+	$(SHARED_STATIC_LIBS_OPTS)
+
+define S6_LINUX_INIT_CONFIGURE_CMDS
+	(cd $(@D); $(TARGET_CONFIGURE_OPTS) ./configure $(S6_LINUX_INIT_CONF_OPTS))
+endef
+
+define S6_LINUX_INIT_BUILD_CMDS
+	$(TARGET_MAKE_ENV) $(MAKE) -C $(@D)
+endef
+
+define S6_LINUX_INIT_INSTALL_TARGET_CMDS
+	$(TARGET_MAKE_ENV) $(MAKE) -C $(@D) DESTDIR=$(TARGET_DIR) install
+endef
+
+$(eval $(generic-package))