Giammarco Zacheo wrote: > Yes it is. > Great. Wolfgang, could you post a version of your patch that should be merged? You know: missing signed-off...
Thanks, Jan > On Fri, Jul 3, 2009 at 12:42 PM, Wolfgang Grandegger<[email protected]> > wrote: >> Wolfgang Grandegger wrote: >>> Jan Kiszka wrote: >>>> Giammarco Zacheo wrote: >>>>> Hi, >>>>> while compiling rtnet 0.9.11 for a mpc5200-based (powerpc) board with >>>>> xenomai 2.4.8 on a denx-2.6.29.4 kernel, i had problems while running >>>>> the configure script, which wasn't able to find Xenomai headers in the >>>>> kernel tree. This is due to the fact that the configure script is >>>>> still looking for the arch/ppc obsoleted directory. >>>>> >>>>> The following patch worked for me, but I'm afraid this could break >>>>> compatibility with older kernels and/or RTAI/Xenomai releases. There's >>>>> probably a better way to do this. Any ideas? >>>>> >>>>> Cheers, >>>>> Giammarco >>>>> >>>>> --- a/configure.ac >>>>> +++ b/configure.ac >>>>> @@ -58,10 +58,14 @@ case "$host" in >>>>> RTNET_TARGET_ARCH=arm >>>>> wanted_kernel_arch=CONFIG_ARM >>>>> ;; >>>>> - powerpc-*|ppc-*) >>>>> + ppc-*) >>>>> RTNET_TARGET_ARCH=ppc >>>>> wanted_kernel_arch=CONFIG_PPC >>>>> ;; >>>>> + powerpc-*) >>>>> + RTNET_TARGET_ARCH=powerpc >>>>> + wanted_kernel_arch=CONFIG_PPC >>>>> + ;; >>>>> # mips-*|mipsel-*) >>>>> # RTNET_TARGET_ARCH=mips >>>>> # wanted_kernel_arch=CONFIG_MIPS >>>>> >>>> Wolfgang, can you check if it breaks anything (specifically 2.4)? >>> This does not work for Kernels using the arch/ppc tree. Retrieving the >>> real ARCH from $host (powerpc-unknown-linux-gnu in my case) gives always >>> "powerpc". Either we provide a configuration parameter "--arch=" or we >>> try to retrieve ARCH from the kernel tree, e.g. by checking "include/asm". >> Giammarco, does the patch below work for you? >> >> Wolfgang. >> >> --- >> configure.ac | 9 ++++++++- >> 1 file changed, 8 insertions(+), 1 deletion(-) >> >> Index: rtnet/configure.ac >> =================================================================== >> --- rtnet.orig/configure.ac >> +++ rtnet/configure.ac >> @@ -59,7 +59,7 @@ case "$host" in >> wanted_kernel_arch=CONFIG_ARM >> ;; >> powerpc-*|ppc-*) >> - RTNET_TARGET_ARCH=ppc >> + RTNET_TARGET_ARCH=powerpc >> wanted_kernel_arch=CONFIG_PPC >> ;; >> # mips-*|mipsel-*) >> @@ -225,6 +225,13 @@ else >> AC_MSG_RESULT([$RTEXT_LINUX_DIR (kernel >> ${RTEXT_LINUX_VERSION}${CONFIG_SMP:+-SMP} + Xenomai)]) >> fi >> >> +# Fixup real arch for powerpc >> +if test "${RTNET_TARGET_ARCH}" = "powerpc" ; then >> + AC_MSG_CHECKING([for real PowerPC arch]) >> + readlink ${CONFIG_RTNET_LINUX_DIR}/include/asm | grep -q ppc && >> RTNET_TARGET_ARCH="ppc" >> + AC_MSG_RESULT([$RTNET_TARGET_ARCH]) >> +fi >> + >> # >> # from now we think we've found some RT-extension, so if we got an error >> # it will be fatal, thus exit with AC_MSG_ERROR >> >>
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