+# SPDX-License-Identifier: GPL-2.0
+
#
-# There are three ways this Makefile can be called:
+# This file is part of Lustre, http://www.lustre.org/
#
-#
-# 1. As a subdirectory from the toplevel, for automake
+# build/Makefile
+#
+# There are four ways this Makefile can be called:
#
+# 1. As a subdirectory from the toplevel, for automake
# 2. A wrapper around the kernel's makefile when building modules, to
# possibly override the .config file
-#
# 3. At configure time, as the toplevel module dir for building
# kernel tests
#
# case #2
# Note that this comes from make -C $LINUX -f $LUSTRE/build/Makefile
-# So the include Makefile includes $LINUX/Makefile, not this file
+# so "include Makefile" below includes $LINUX/Makefile, not this file
include $(LUSTRE_LINUX_CONFIG)
include Makefile
+ifeq ($(DEQUOTE_CC_VERSION_TEXT),yes)
+CONFIG_CC_VERSION_TEXT=$(shell echo ${CONFIG_CC_VERSION_TEXT:1:-1})
+endif
endif # LUSTRE_LINUX_CONFIG
else # PATCHLEVEL
+ifeq ($(DEQUOTE_CC_VERSION_TEXT),yes)
+CONFIG_CC_VERSION_TEXT=$(shell echo ${CONFIG_CC_VERSION_TEXT:1:-1})
+endif
-# case 3
-
+# case #3
ifneq ($(LUSTRE_KERNEL_TEST),)
-ifeq ($(PATCHLEVEL),4)
-all: $(LUSTRE_KERNEL_TEST)
-else
+# extra-y works prior to 5.10
extra-y = $(LUSTRE_KERNEL_TEST)
-endif
+# always-y works since 5.6
+always-y = $(LUSTRE_KERNEL_TEST)
+# always works for SUSE SP3 LTSS kernel
+always = $(LUSTRE_KERNEL_TEST)
endif
obj-m := conftest.o
-ifeq ($(PATCHLEVEL),4)
-include $(TOPDIR)/Rules.make
-endif
-
endif # PATCHLEVEL