initial buildroot for linux 5.15

package/ddrescue/Config.in

@@ -0,0 +1,12 @@
+config BR2_PACKAGE_DDRESCUE
+	bool "ddrescue"
+	depends on BR2_INSTALL_LIBSTDCPP
+	help
+	  GNU ddrescue is a data recovery tool. It copies data from one
+	  file or block device (hard disc, cdrom, etc) to another,
+	  trying to rescue the good parts first in case of read errors.
+
+	  http://www.gnu.org/software/ddrescue/ddrescue.html
+
+comment "ddrescue needs a toolchain w/ C++"
+	depends on !BR2_INSTALL_LIBSTDCPP

package/ddrescue/ddrescue.hash

@@ -0,0 +1,4 @@
+# From https://lists.gnu.org/archive/html/info-gnu/2020-03/msg00002.html
+sha256  ce538ebd26a09f45da67d3ad3f7431932428231ceec7a2d255f716fa231a1063  ddrescue-1.25.tar.lz
+# Locally computed
+sha256  3d77c1a58fbde5ddba612d1fe09965e20a3804953eca12e8c1892298bb8a5eef  COPYING

package/ddrescue/ddrescue.mk

@@ -0,0 +1,35 @@
+################################################################################
+#
+# ddrescue
+#
+################################################################################
+
+DDRESCUE_VERSION = 1.25
+DDRESCUE_SOURCE = ddrescue-$(DDRESCUE_VERSION).tar.lz
+DDRESCUE_SITE = http://download.savannah.gnu.org/releases/ddrescue
+DDRESCUE_LICENSE = GPL-2.0+
+DDRESCUE_LICENSE_FILES = COPYING
+
+define DDRESCUE_CONFIGURE_CMDS
+	(cd $(@D); \
+		$(TARGET_MAKE_ENV) ./configure \
+		--prefix=/usr \
+		$(TARGET_CONFIGURE_OPTS) \
+	)
+endef
+
+DDRESCUE_CXXFLAGS = $(TARGET_CXXFLAGS)
+
+ifeq ($(BR2_TOOLCHAIN_HAS_GCC_BUG_85180),y)
+DDRESCUE_CXXFLAGS += -O0
+endif
+
+define DDRESCUE_BUILD_CMDS
+	$(TARGET_MAKE_ENV) $(MAKE) CXXFLAGS="$(DDRESCUE_CXXFLAGS)" -C $(@D)
+endef
+
+define DDRESCUE_INSTALL_TARGET_CMDS
+	$(TARGET_MAKE_ENV) $(MAKE) -C $(@D) DESTDIR="$(TARGET_DIR)" install
+endef
+
+$(eval $(generic-package))