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Date:      Thu, 03 Jan 2013 13:57:07 +0100
From:      Martin Laabs <info@martinlaabs.de>
To:        FreeBSD Questions <freebsd-questions@freebsd.org>
Subject:   Build linux,ko kernel module standalone
Message-ID:  <50E58023.9050000@martinlaabs.de>

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Hello,

if I wanna build a kernel module standalone (without the kernel e.g. for
testing) I do it the following way (wlan in this example):

cd /usr/src/sys/modules/wlan
make all
maybe make install if I wanna install it.

Now I want do build the linux.ko module with the symbol DEBUG defined and
tried the following:

cd /usr/src/sys/modules/linux
make -DDEBUG all

but unfortunately this ends up with:

cc -c -O2 -pipe -march=athlon64 -DCOMPAT_FREEBSD32 -DCOMPAT_LINUX32
-fno-strict-aliasing -Werror -D_KERNEL -DKLD_MODULE -nostdinc -I. -I@
-I@/contrib/altq -finline-limit=8000 --param inline-unit-growth=100 --param
large-function-growth=1000 -fno-omit-frame-pointer -mno-sse -mcmodel=kernel
-mno-red-zone -mno-mmx -msoft-float -fno-asynchronous-unwind-tables
-ffreestanding -fstack-protector -std=iso9899:1999 -fstack-protector -Wall
-Wredundant-decls -Wnested-externs -Wstrict-prototypes -Wmissing-prototypes
-Wpointer-arith -Winline -Wcast-qual -Wundef -Wno-pointer-sign
-fformat-extensions -Wmissing-include-dirs -fdiagnostics-show-option
/usr/src/sys/modules/linux/../../amd64/linux32/linux32_genassym.c
In file included from ./machine/param.h:46,
                 from @/sys/param.h:115,
                 from
/usr/src/sys/modules/linux/../../amd64/linux32/linux32_genassym.c:4:
./machine/_align.h:6:24: error: x86/_align.h: No such file or directory


Building the module insinde a make buildkernel works fine - so there are
actually no missing files.
Do you have any ideas what I'am missing?

Thank you,
 Martin Laabs




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