initial buildroot for linux 5.15

package/xmrig/Config.in

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+config BR2_PACKAGE_XMRIG
+	bool "xmrig"
+	# archs officially supported by upstream
+	depends on BR2_aarch64 || BR2_x86_64 || BR2_i386
+	depends on BR2_USE_MMU # libuv
+	depends on BR2_TOOLCHAIN_HAS_SYNC_4 # libuv
+	depends on BR2_TOOLCHAIN_HAS_THREADS_NPTL # libuv
+	# xmrig needs fenv.h which is not provided by uclibc
+	depends on !BR2_TOOLCHAIN_USES_UCLIBC
+	depends on !BR2_STATIC_LIBS # libuv
+	select BR2_PACKAGE_LIBUV
+	help
+	  RandomX, CryptoNight, AstroBWT and Argon2 CPU/GPU miner.
+
+	  https://xmrig.com
+
+comment "xmrig needs a glibc or musl toolchain w/ NPTL, dynamic library"
+	depends on BR2_aarch64 || BR2_x86_64 || BR2_i386
+	depends on BR2_USE_MMU
+	depends on BR2_TOOLCHAIN_HAS_SYNC_4
+	depends on !BR2_TOOLCHAIN_HAS_THREADS_NPTL || \
+		BR2_TOOLCHAIN_USES_UCLIBC || BR2_STATIC_LIBS

package/xmrig/xmrig.hash

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+# Locally calculated
+sha256  27a6c34ee1bec60f8c49a5e2b97223971f579a26a4632fb64c4a4556b3bb04ae  xmrig-6.15.2.tar.gz
+sha256  589ed823e9a84c56feb95ac58e7cf384626b9cbf4fda2a907bc36e103de1bad2  LICENSE

package/xmrig/xmrig.mk

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+################################################################################
+#
+# xmrig
+#
+################################################################################
+
+XMRIG_VERSION = 6.15.2
+XMRIG_SITE = $(call github,xmrig,xmrig,v$(XMRIG_VERSION))
+XMRIG_LICENSE = GPL-3.0+
+XMRIG_LICENSE_FILES = LICENSE
+XMRIG_DEPENDENCIES = libuv
+XMRIG_CONF_OPTS = -DWITH_CUDA=OFF
+
+ifeq ($(BR2_PACKAGE_HAS_LIBOPENCL),y)
+XMRIG_CONF_OPTS += -DWITH_OPENCL=ON
+XMRIG_DEPENDENCIES += libopencl
+else
+XMRIG_CONF_OPTS += -DWITH_OPENCL=OFF
+endif
+
+ifeq ($(BR2_PACKAGE_HWLOC),y)
+XMRIG_CONF_OPTS += -DWITH_HWLOC=ON
+XMRIG_DEPENDENCIES += hwloc
+else
+XMRIG_CONF_OPTS += -DWITH_HWLOC=OFF
+endif
+
+ifeq ($(BR2_PACKAGE_OPENSSL),y)
+XMRIG_CONF_OPTS += -DWITH_TLS=ON
+XMRIG_DEPENDENCIES += openssl
+else
+XMRIG_CONF_OPTS += -DWITH_TLS=OFF
+XMRIG_SUFFIX = -notls
+endif
+
+# Upstream provides no installation rule:
+#   *** No rule to make target 'install/fast'.  Stop.
+define XMRIG_INSTALL_TARGET_CMDS
+	$(INSTALL) -m 0755 -D $(@D)/xmrig$(XMRIG_SUFFIX) \
+		$(TARGET_DIR)/usr/bin/xmrig$(XMRIG_SUFFIX)
+endef
+
+$(eval $(cmake-package))