External module Makefile with generated C file
From: Arnaldo Carvalho de Melo
Date: Sat Jan 27 2007 - 13:13:05 EST
Sam,
I'm trying to create a external module that involves generating
one of the source files needed for
the module, I'm using this Makefile:
[acme@filo ctracer_example]$ cat Makefile
obj-m := ctracer.o
ctracer-y := ctracer_methods.o ctracer_jprobe.o
CLASS=sock
KDIR := /lib/modules/$(shell uname -r)/build
PWD := $(shell pwd)
default:
$(MAKE) -C $(KDIR) SUBDIRS=$(PWD) modules
clean:
rm -f *.mod.c *.ko *.o ctracer_methods.c
# Files generated that shall be removed upon make clean
clean-files := ctracer_methods.c
ctracer_methods.o: ctracer_methods.c
ctracer_methods.c:
ctracer /usr/lib/debug/lib/modules/$(shell uname -r)/vmlinux
$(CLASS) > ctracer_methods.c
[acme@filo ctracer_example]$
But I get this as the result:
[acme@filo ctracer_example]$ make
make -C /lib/modules/2.6.19-1.2895.fc6/build
SUBDIRS=/home/acme/git/pahole/ctracer_example modules
make[1]: Entering directory `/usr/src/kernels/2.6.19-1.2895.fc6-i686'
make[2]: *** No rule to make target
`/home/acme/git/pahole/ctracer_example/ctracer_methods.o', needed by
`/home/acme/git/pahole/ctracer_example/ctracer.o'. Stop.
make[1]: *** [_module_/home/acme/git/pahole/ctracer_example] Error 2
make[1]: Leaving directory `/usr/src/kernels/2.6.19-1.2895.fc6-i686'
make: *** [default] Error 2
[acme@filo ctracer_example]$
What is the stupid thing I'm doing? :-)
- Arnaldo
-
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