initial buildroot for linux 5.15

package/lvm2/Config.in

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+config BR2_PACKAGE_LVM2
+	bool "lvm2 & device mapper"
+	depends on BR2_TOOLCHAIN_HAS_THREADS
+	depends on BR2_USE_MMU # needs fork()
+	depends on !BR2_STATIC_LIBS # It fails to build statically
+	select BR2_PACKAGE_LIBAIO
+	help
+	  This is LVM2, the rewrite of The Linux Logical Volume Manager.
+	  LVM supports enterprise level volume management of disk and
+	  disk subsystems by grouping arbitrary disks into volume
+	  groups. The total capacity of volume groups can be allocated
+	  to logical volumes, which are accessed as regular block
+	  devices.
+
+	  The Linux Kernel Device Mapper is the LVM
+	  (Linux Logical Volume Management) Team's implementation of a
+	  minimalistic kernel-space driver that handles volume
+	  management, while keeping knowledge of the underlying device
+	  layout in user-space. This makes it useful for not only LVM,
+	  but EVMS, software raid, and other drivers that create
+	  "virtual" block devices.
+
+	  http://www.sourceware.org/lvm2/
+
+if BR2_PACKAGE_LVM2
+
+config BR2_PACKAGE_LVM2_STANDARD_INSTALL
+	bool "standard install instead of only dmsetup"
+	default y
+	# http://lists.busybox.net/pipermail/buildroot/2016-August/170592.html
+	depends on !BR2_TOOLCHAIN_USES_MUSL
+	help
+	  Install the standard suite of lvm2 programs. When this option
+	  is not set, only dmsetup is installed.
+
+comment "lvm2 standard install needs a glibc or uClibc toolchain"
+	depends on BR2_TOOLCHAIN_USES_MUSL
+
+endif
+
+comment "lvm2 needs a toolchain w/ threads, dynamic library"
+	depends on BR2_USE_MMU
+	depends on BR2_STATIC_LIBS || !BR2_TOOLCHAIN_HAS_THREADS

package/lvm2/lvm2.hash

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+# From http://sources.redhat.com/pub/lvm2/sha512.sum
+sha512 e4d3bfb38b346251a2ea2cee7b79f2e12ed407652b659b35b65f58c8bb252943cee1c511713aeec8ff3400790e0e99ea6b83e8740050defe5cbb118f18bf7700  LVM2.2.03.12.tgz
+# Locally computed sha256 checksums
+sha256 e76fbcd2fb97cf202da330301327754d2db5c58b5b4bebd3a8a749393e7603d1  COPYING
+sha256 5df07007198989c622f5d41de8d703e7bef3d0e79d62e24332ee739a452af62a  COPYING.LIB

package/lvm2/lvm2.mk

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+################################################################################
+#
+# lvm2
+#
+################################################################################
+
+LVM2_VERSION = 2.03.12
+LVM2_SOURCE = LVM2.$(LVM2_VERSION).tgz
+LVM2_SITE = http://sources.redhat.com/pub/lvm2
+LVM2_INSTALL_STAGING = YES
+LVM2_LICENSE = GPL-2.0, LGPL-2.1
+LVM2_LICENSE_FILES = COPYING COPYING.LIB
+LVM2_CPE_ID_PRODUCT = redhat
+# parallel build issues
+LVM2_MAKE = $(MAKE1)
+
+# Make sure that binaries and libraries are installed with write
+# permissions for the owner. We disable NLS because it's broken, and
+# the package anyway doesn't provide any translation files.
+LVM2_CONF_OPTS += \
+	--enable-write_install \
+	--enable-pkgconfig \
+	--enable-cmdlib \
+	--enable-dmeventd \
+	--disable-nls \
+	--with-symvers=no
+
+LVM2_DEPENDENCIES += host-pkgconf libaio
+
+# LVM2 uses autoconf, but not automake, and the build system does not
+# take into account the toolchain passed at configure time.
+LVM2_MAKE_ENV = $(TARGET_CONFIGURE_OPTS)
+
+# package/readline is GPL-3.0+, so not license compatible
+LVM2_CONF_OPTS += --disable-readline
+
+LVM2_INSTALL_STAGING_OPTS = DESTDIR=$(STAGING_DIR)
+LVM2_INSTALL_TARGET_OPTS = DESTDIR=$(TARGET_DIR)
+
+ifeq ($(BR2_PACKAGE_HAS_UDEV),y)
+LVM2_CONF_OPTS += --enable-udev_rules
+endif
+
+ifeq ($(BR2_PACKAGE_LIBSELINUX),y)
+LVM2_CONF_OPTS += --enable-selinux
+LVM2_DEPENDENCIES += libselinux
+else
+LVM2_CONF_OPTS += --disable-selinux
+endif
+
+ifeq ($(BR2_PACKAGE_LVM2_STANDARD_INSTALL),y)
+LVM2_INSTALL_STAGING_OPTS += install
+LVM2_INSTALL_TARGET_OPTS += install
+ifeq ($(BR2_INIT_SYSTEMD),y)
+LVM2_INSTALL_TARGET_OPTS += install_systemd_units install_systemd_generators
+endif
+else
+LVM2_MAKE_OPTS = device-mapper
+LVM2_INSTALL_STAGING_OPTS += install_device-mapper
+LVM2_INSTALL_TARGET_OPTS += install_device-mapper
+endif
+
+ifeq ($(BR2_TOOLCHAIN_SUPPORTS_PIE),)
+LVM2_CONF_ENV += ac_cv_flag_HAVE_PIE=no
+endif
+
+HOST_LVM2_DEPENDENCIES = host-pkgconf host-libaio
+HOST_LVM2_CONF_OPTS = \
+	--enable-write_install \
+	--enable-pkgconfig \
+	--disable-cmdlib \
+	--disable-dmeventd \
+	--disable-fsadm \
+	--disable-readline \
+	--disable-selinux \
+	--with-confdir=$(HOST_DIR)/etc
+
+$(eval $(autotools-package))
+$(eval $(host-autotools-package))