Axel Thimm wrote:
I think the check looks under /usr/include instead of the kernel
sources/headers. OTOH /usr/include should include the proper headers
as well, I checked that kernel-headers-2.6.26.3-29.fc9 was installed
at the time of the builds.
No, the checks use the includes under the kernel source tree. Note the
"-nostdinc" option in the gcc command below.
configure:6856: result: yes
configure:6859: checking if find_task_by_pid is usable
make -C /srv/atrpms.net/atrpms/kernelsrc/f9-x86_64/2.6.26.6-79.fc9-x86_64
M=/builddir/openafs-1.4.7/conftest.dir modules KBUILD_VERBOSE=1
make: Entering directory
`/srv/atrpms.net/atrpms/kernelsrc/f9-x86_64/2.6.26.6-79.fc9-x86_64'
test -e include/linux/autoconf.h -a -e include/config/auto.conf || (
\
echo; \
echo " ERROR: Kernel configuration is invalid."; \
echo " include/linux/autoconf.h or include/config/auto.conf are
missing."; \
echo " Run 'make oldconfig && make prepare' on kernel src to fix
it."; \
echo; \
/bin/false)
mkdir -p /builddir/openafs-1.4.7/conftest.dir/.tmp_versions ; rm -f
/builddir/openafs-1.4.7/conftest.dir/.tmp_versions/*
WARNING: Symbol version dump
/srv/atrpms.net/atrpms/kernelsrc/f9-x86_64/2.6.26.6-79.fc9-x86_64/Module.symvers
is missing; modules will have no dependencies and modversions.
make -f scripts/Makefile.build obj=/builddir/openafs-1.4.7/conftest.dir
gcc -Wp,-MD,/builddir/openafs-1.4.7/conftest.dir/.conftest.o.d -nostdinc -isystem
/usr/lib/gcc/x86_64-redhat-linux/4.3.0/include -D__KERNEL__ -Iinclude -include include/linux/autoconf.h
-Wall -Wundef -Wstrict-prototypes -Wno-trigraphs -fno-strict-aliasing -fno-common
-Werror-implicit-function-declaration -Os -fno-stack-protector -m64 -mtune=generic -mno-red-zone
-mcmodel=kernel -funit-at-a-time -maccumulate-outgoing-args -DCONFIG_AS_CFI=1 -DCONFIG_AS_CFI_SIGNAL_FRAME=1
-pipe -Wno-sign-compare -fno-asynchronous-unwind-tables -mno-sse -mno-mmx -mno-sse2 -mno-3dnow
-Iinclude/asm-x86/mach-default -fno-omit-frame-pointer -fno-optimize-sibling-calls -g
-Wdeclaration-after-statement -Wno-pointer-sign -DMODULE -D"KBUILD_STR(s)=#s"
-D"KBUILD_BASENAME=KBUILD_STR(conftest)" -D"KBUILD_MODNAME=KBUILD_STR(conftest)" -c -o
/builddir/openafs-1.4.7/conftest.dir/conftest.o /builddir/openafs-1.4.7/conftest.dir/conftest.c
(cat /dev/null; echo kernel//builddir/openafs-1.4.7/conftest.dir/conftest.ko;)
> /builddir/openafs-1.4.7/conftest.dir/modules.order
Building modules, stage 2.
make -f
/srv/atrpms.net/atrpms/kernelsrc/f9-x86_64/2.6.26.6-79.fc9-x86_64/scripts/Makefile.modpost
scripts/mod/modpost -a -i
/srv/atrpms.net/atrpms/kernelsrc/f9-x86_64/2.6.26.6-79.fc9-x86_64/Module.symvers
-I /builddir/openafs-1.4.7/conftest.dir/Module.symvers -o
/builddir/openafs-1.4.7/conftest.dir/Module.symvers -S -K
/srv/atrpms.net/atrpms/kernelsrc/f9-x86_64/2.6.26.6-79.fc9-x86_64/Module.markers
-M /builddir/openafs-1.4.7/conftest.dir/Module.markers -w -s
gcc -Wp,-MD,/builddir/openafs-1.4.7/conftest.dir/.conftest.mod.o.d -nostdinc -isystem
/usr/lib/gcc/x86_64-redhat-linux/4.3.0/include -D__KERNEL__ -Iinclude -include include/linux/autoconf.h
-Wall -Wundef -Wstrict-prototypes -Wno-trigraphs -fno-strict-aliasing -fno-common
-Werror-implicit-function-declaration -Os -fno-stack-protector -m64 -mtune=generic -mno-red-zone
-mcmodel=kernel -funit-at-a-time -maccumulate-outgoing-args -DCONFIG_AS_CFI=1 -DCONFIG_AS_CFI_SIGNAL_FRAME=1
-pipe -Wno-sign-compare -fno-asynchronous-unwind-tables -mno-sse -mno-mmx -mno-sse2 -mno-3dnow
-Iinclude/asm-x86/mach-default -fno-omit-frame-pointer -fno-optimize-sibling-calls -g
-Wdeclaration-after-statement -Wno-pointer-sign -D"KBUILD_STR(s)=#s"
-D"KBUILD_BASENAME=KBUILD_STR(conftest.mod)" -D"KBUILD_MODNAME=KBUILD_STR(conftest)"
-DMODULE -c -o /builddir/openafs-1.4.7/conftest.dir/conftest.mod.o
/builddir/openafs-1.4.7/conftest.dir/conftest.mod.c
ld -r -m elf_x86_64 --build-id -o
/builddir/openafs-1.4.7/conftest.dir/conftest.ko
/builddir/openafs-1.4.7/conftest.dir/conftest.dir/conftest.mod.o
make: Leaving directory
`/srv/atrpms.net/atrpms/kernelsrc/f9-x86_64/2.6.26.6-79.fc9-x86_64'
configure:6958: result: yes
Can you show us the source of that configure test in
src/cf/linux-test4.m4, just to make sure it's what we expect?
There are several things that don't make sense here:
a) If init_pid_ns is not defined in your kernel, you would get an error
in the modpost above.
b) If it is defined, it is GPL only, and you would also get an error in
the modpost above.
c) init_pid_ns should be in your kernel anyway - I don't think it can be
configured away by any kernel config option. It is certainly there with
the default Fedora .config.
Out of curiosity I built 2.6.26.3-29.fc9 locally and the configure test
(from current 1.4x CVS) gives me:
/s/openafs/1_4_x/conftest.dir/conftest.c: In function 'conftest':
/s/openafs/1_4_x/conftest.dir/conftest.c:30: warning: 'p' is used
uninitialized in this function
FATAL: modpost: GPL-incompatible module conftest.ko uses GPL-only symbol
'init_pid_ns'
make[1]: *** [__modpost] Error 1
make: *** [modules] Error 2
.. which is what I expected, and the test for find_task_pid fails.
Marc
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