initial buildroot for linux 5.15

package/powerpc-utils/Config.in

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+comment "powerpc-utils tools needs a toolchain w/ dynamic library"
+	depends on BR2_powerpc || BR2_powerpc64 || BR2_powerpc64le
+	depends on BR2_STATIC_LIBS
+
+config BR2_PACKAGE_POWERPC_UTILS
+	bool "powerpc-utils"
+	depends on !BR2_STATIC_LIBS # dlfcn.h
+	depends on BR2_powerpc || BR2_powerpc64 || BR2_powerpc64le
+	select BR2_PACKAGE_ZLIB
+	help
+	  System utilities for PowerPC machines.
+
+	  https://github.com/ibm-power-utilities/powerpc-utils.git
+
+if BR2_PACKAGE_POWERPC_UTILS
+
+config BR2_PACKAGE_POWERPC_UTILS_RTAS
+	bool "RTAS support"
+	depends on BR2_TOOLCHAIN_USES_GLIBC
+	select BR2_PACKAGE_LIBRTAS
+	help
+	  Enable support for functions that require RTAS.
+
+	  This adds a dependency on librtas and provides the following
+	  additional features at the cost of increasing the installed
+	  package size from about 0.5MB to about 2MB:
+	  ppc64_cpu --run-mode, uesensor, set_poweron_time, drmgr,
+	  lsslot, activate_firmware, rtas_ibm_get_vpd, serv_config,
+	  rtas_event_decode, sys_ident.
+
+comment "RTAS support needs a glibc toolchain"
+	depends on !BR2_TOOLCHAIN_USES_GLIBC
+
+endif

package/powerpc-utils/powerpc-utils.hash

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+# Locally calculated
+sha256  4e3a21419863c08adde49f0795eff0fbfe4597ce82593fa5fe1f1177913fb7b9  powerpc-utils-1.3.8.tar.gz
+sha256  8177f97513213526df2cf6184d8ff986c675afb514d4e68a404010521b880643  COPYING

package/powerpc-utils/powerpc-utils.mk

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+################################################################################
+#
+# powerpc-utils
+#
+################################################################################
+
+POWERPC_UTILS_VERSION = 1.3.8
+POWERPC_UTILS_SITE = $(call github,ibm-power-utilities,powerpc-utils,v$(POWERPC_UTILS_VERSION))
+POWERPC_UTILS_DEPENDENCIES = zlib
+POWERPC_UTILS_AUTORECONF = YES
+POWERPC_UTILS_LICENSE = GPL-2.0+
+POWERPC_UTILS_LICENSE_FILES = COPYING
+POWERPC_UTILS_CPE_ID_VENDOR = powerpc-utils_project
+
+POWERPC_UTILS_CONF_ENV = \
+	ax_cv_check_cflags___fstack_protector_all=$(if $(BR2_TOOLCHAIN_HAS_SSP),yes,no)
+POWERPC_UTILS_CONF_OPTS = --disable-werror
+
+ifeq ($(BR2_PACKAGE_POWERPC_UTILS_RTAS),y)
+POWERPC_UTILS_DEPENDENCIES += librtas
+POWERPC_UTILS_CONF_OPTS += --with-librtas
+else
+POWERPC_UTILS_CONF_OPTS += --without-librtas
+endif
+
+$(eval $(autotools-package))