initial buildroot for linux 5.15

package/bash/bash.mk

@@ -0,0 +1,71 @@
+################################################################################
+#
+# bash
+#
+################################################################################
+
+BASH_VERSION = 5.1
+BASH_SITE = $(BR2_GNU_MIRROR)/bash
+BASH_DEPENDENCIES = ncurses readline host-bison
+BASH_LICENSE = GPL-3.0+
+BASH_LICENSE_FILES = COPYING
+BASH_CPE_ID_VENDOR = gnu
+
+# We want the bash binary in /bin
+BASH_CONF_OPTS = \
+	--bindir=/bin \
+	--with-installed-readline \
+	--without-bash-malloc
+
+BASH_CONF_ENV += \
+	ac_cv_rl_prefix="$(STAGING_DIR)" \
+	ac_cv_rl_version="$(READLINE_VERSION)" \
+	bash_cv_getcwd_malloc=yes \
+	bash_cv_job_control_missing=present \
+	bash_cv_sys_named_pipes=present \
+	bash_cv_func_sigsetjmp=present \
+	bash_cv_printf_a_format=yes
+
+# The static build needs some trickery
+ifeq ($(BR2_STATIC_LIBS),y)
+BASH_CONF_OPTS += --enable-static-link
+# bash wants to redefine the getenv() function. To check whether this is
+# possible, AC_TRY_RUN is used which is not possible in
+# cross-compilation.
+# On uClibc, redefining getenv is not possible; on glibc and musl it is.
+# Related:
+# http://lists.gnu.org/archive/html/bug-bash/2012-03/msg00052.html
+ifeq ($(BR2_TOOLCHAIN_USES_UCLIBC),y)
+BASH_CONF_ENV += bash_cv_getenv_redef=no
+else
+BASH_CONF_ENV += bash_cv_getenv_redef=yes
+endif
+endif
+
+define BASH_REMOVE_UNUSED_FILES
+	rm -f $(TARGET_DIR)/bin/bashbug
+endef
+BASH_POST_INSTALL_TARGET_HOOKS += BASH_REMOVE_UNUSED_FILES
+
+ifeq ($(BR2_PACKAGE_BASH_LOADABLE_EXAMPLES),y)
+define BASH_REMOVE_LOADABLE_UNUSED_FILES
+	rm -f $(TARGET_DIR)/usr/lib/bash/Makefile.inc
+	rm -f $(TARGET_DIR)/usr/lib/bash/loadables.h
+endef
+BASH_POST_INSTALL_TARGET_HOOKS += BASH_REMOVE_LOADABLE_UNUSED_FILES
+else
+define BASH_REMOVE_LOADABLE_EXAMPLES
+	rm -rf $(TARGET_DIR)/usr/lib/bash
+endef
+BASH_POST_INSTALL_TARGET_HOOKS += BASH_REMOVE_LOADABLE_EXAMPLES
+endif
+
+# Add /bin/bash to /etc/shells otherwise some login tools like dropbear
+# can reject the user connection. See man shells.
+define BASH_ADD_MKSH_TO_SHELLS
+	grep -qsE '^/bin/bash$$' $(TARGET_DIR)/etc/shells \
+		|| echo "/bin/bash" >> $(TARGET_DIR)/etc/shells
+endef
+BASH_TARGET_FINALIZE_HOOKS += BASH_ADD_MKSH_TO_SHELLS
+
+$(eval $(autotools-package))