Support compiling the module against a different kernel version than the
currently running one by allowing to set either KVER or KDIR variables
on the make commandline.
Also modernize the makefile slightly and make use of the kernel's
'clean' target to ensure to remove all generated files.
Signed-off-by: Mathias Krause <minipli@xxxxxxxxxxxxxx>
---
memory_driver/Makefile | 9 +++++++--
1 file changed, 7 insertions(+), 2 deletions(-)
diff --git a/memory_driver/Makefile b/memory_driver/Makefile
index b494aa3cd184..b720661fa75f 100644
--- a/memory_driver/Makefile
+++ b/memory_driver/Makefile
@@ -8,8 +8,13 @@
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
+ifneq ($(KERNELRELEASE),)
obj-m := crash.o
+else
+KVER ?= $(shell uname -r)
+KDIR ?= /lib/modules/${KVER}/build
all:
- make -C /lib/modules/`uname -r`/build M=${PWD} SUBDIRS=${PWD} modules
+ ${MAKE} -C ${KDIR} M=${PWD} SUBDIRS=${PWD} modules
clean:
- rm -f *.mod.c *.ko *.o Module.*
+ ${MAKE} -C ${KDIR} M=${PWD} SUBDIRS=${PWD} clean || ${RM} *.mod.c *.ko *.o Module.*
+endif
--
2.30.2
--
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