initial buildroot for linux 5.15

package/tmux/Config.in

@@ -0,0 +1,19 @@
+config BR2_PACKAGE_TMUX
+	bool "tmux"
+	depends on BR2_USE_MMU # fork()
+	depends on BR2_USE_WCHAR # mbtowc()
+	depends on BR2_ENABLE_LOCALE # runtime
+	select BR2_PACKAGE_LIBEVENT
+	select BR2_PACKAGE_NCURSES
+	help
+	  tmux is a terminal multiplexer, it enables a number of
+	  terminals (or windows) to be accessed and controlled from a
+	  single terminal.
+
+	  NOTE: tmux needs a working UTF-8 locale (BR2_GENERATE_LOCALE)
+
+	  https://tmux.github.io/
+
+comment "tmux needs a toolchain w/ wchar, locale"
+	depends on BR2_USE_MMU
+	depends on !BR2_USE_WCHAR || !BR2_ENABLE_LOCALE

package/tmux/tmux.hash

@@ -0,0 +1,3 @@
+# Locally computed:
+sha256  918f7220447bef33a1902d4faff05317afd9db4ae1c9971bef5c787ac6c88386  tmux-3.1c.tar.gz
+sha256  c031bd37f464c534277814f6aa38686fa023d094261d57fd2545ad592bb53ccd  COPYING

package/tmux/tmux.mk

@@ -0,0 +1,22 @@
+################################################################################
+#
+# tmux
+#
+################################################################################
+
+TMUX_VERSION = 3.1c
+TMUX_SITE = https://github.com/tmux/tmux/releases/download/$(TMUX_VERSION)
+TMUX_LICENSE = ISC
+TMUX_LICENSE_FILES = COPYING
+TMUX_CPE_ID_VENDOR = tmux_project
+TMUX_DEPENDENCIES = libevent ncurses host-pkgconf
+
+# Add /usr/bin/tmux to /etc/shells otherwise some login tools like dropbear
+# can reject the user connection. See man shells.
+define TMUX_ADD_TMUX_TO_SHELLS
+	grep -qsE '^/usr/bin/tmux$$' $(TARGET_DIR)/etc/shells \
+		|| echo "/usr/bin/tmux" >> $(TARGET_DIR)/etc/shells
+endef
+TMUX_TARGET_FINALIZE_HOOKS += TMUX_ADD_TMUX_TO_SHELLS
+
+$(eval $(autotools-package))