Le jeudi 17 août 2006 à 09:47 +0200, Jan Engelhardt a écrit :
> >> > LIBDIR=/lib/modules/`uname -r`
> >> > make -C $LIBDIR/source O=$LIBDIR/build SUBDIRS=`pwd` modules
> >> >
> >> > For a normal kernel installation this will do the right thing.
> >> > source points to the kernel source and build point to the output
> >> > directory (they are often equal but not always).
> >>
> >> Please don't tell module authors to unconditionally use `uname -r`.
> >> I frequently build kernels for differentd hosts, and if I don't, I'll
> >> certainly compile the needed modules before installing the kernel.
> >> Therefore /lib/modules/`uname -r` is most certainly the completely
> >> wrong place to look for the kernel source.
> >
> >/lib/modules/`uname -r` is the general solution that works for most
> >people and should be at least default. It is certainly better than
> >/usr/src/linux.
> >But yes they better make it override able.
>
> In some outoftree modules of mine, the Makefile reads like this
>
> MODULES_DIR := /lib/modules/$(shell uname -r)
> KSRC_DIR := ${MODULES_DIR}/source
> KOBJ_DIR := ${MODULES_DIR}/build
>
> all: modules
> modules:
> make -C "${KOBJ_DIR}" M="$$PWD";
>
> and one can easily override it by calling `make MODULES_DIR=/foo/bar`
> (instead of just `make`).
>
>
> Jan Engelhardt
Thank you all for all those tips, I will use this last one.
Vincent Perrier
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