[Buildroot] uClibc kernel headers problem
Roman Chertov
rchertov at cs.ucsb.edu
Wed Oct 21 04:59:01 UTC 2009
I am starting to suspect that for whatever reason uClibc is not using
the cross compiler and is instead using the host compiler. I am just
curious on the typical debugging procedure for this. Thanks.
Roman Chertov wrote:
> I have untared a fresh copy of build root 2009.8. When I run make for
> the first time, there is an error regarding the absence of
> toolchain_build_arm/uClibc.config.arm and the process stops (see error
> log below). If I do 'touch toolchain_build_arm/uClibc.config.arm' then
> run make again, there is a series of questions which pertain to which
> configs should be used.
>
> I am using my own target/device. But that mainly defines the U-BOOT
> config variable (cs-e9302), and I don't have any uClibc configuration
> files in that directory. I am just curious if this is a bug or if I am
> doing something wrong.
>
> Roman
>
> Applying uClibc-0.9.30.1-unifdef-getline.patch using plaintext:
> patching file extra/scripts/unifdef.c
> touch
> /proj/tools/buildroot-2009.08/toolchain_build_arm/uClibc-0.9.30.1/.patched
> cp -f
> /proj/tools/buildroot-2009.08/toolchain_build_arm/uClibc.config.arm
> /proj/tools/buildroot-2009.08/toolchain_build_arm/uClibc-0.9.30.1/.oldconfig
>
> cp: cannot stat
> `/proj/tools/buildroot-2009.08/toolchain_build_arm/uClibc.config.arm':
> No such file or directory
>
> make: ***
> [/proj/tools/buildroot-2009.08/toolchain_build_arm/uClibc-0.9.30.1/.oldconfig]
> Error 1
>
>
> Roman Chertov wrote:
>> Hello,
>>
>> I am using the latest build root release and I am trying to build a tool
>> chain for CS-e9302 board which has an ARM chip. I want to use the
>> 2.6.24.7 Linux kernel (I patched it to support click modular router). I
>> patched that kernel and u-boot 1.3.3 with patches from
>> http://dev.ivanov.eu/projects/cs-e9302/ to enable the board support. I
>> then renamed the tar.bz2 files into file names that buildroot supports
>> in the menuconfig (linux-2.6.24.tar.bz2 kernel and
>> u-boot-2009.06.tar.bz2) and placed the files into the dl directory.
>>
>> My current trouble is with uClibc 0.9.30.1. In the buildroot menuconfig
>> I specified that I want to build the entire Linux kernel, so as far as I
>> understand there is no need to use the precompiled headers option. When
>> I build the tool chain, it all works up to uClibc. I get the following
>> error "cc1: error: unrecognized command line option "-mbig-endian"". I
>> have included the output log down below. I would appreciate any help
>> with this.
>>
>> Thanks,
>>
>> Roman
>>
>> Checking build system dependencies:
>> BUILDROOT_DL_DIR clean: Ok
>> CC clean: Ok
>> CXX clean: Ok
>> CPP clean: Ok
>> CFLAGS clean: Ok
>> INCLUDES clean: Ok
>> CXXFLAGS clean: Ok
>> which installed: Ok
>> sed works: Ok (/bin/sed)
>> GNU make version '3.81': Ok
>> C compiler '/usr/lib/ccache/gcc'
>> C compiler version '4.4.1': Ok
>> C++ compiler '/usr/lib/ccache/g++'
>> C++ compiler version '4.4.1': Ok
>> awk installed: Ok
>> bash installed: Ok
>> bison installed: Ok
>> flex installed: Ok
>> gettext installed: Ok
>> makeinfo installed: Ok
>> Build system dependencies: Ok
>>
>> rm -rf
>> /proj/tools/buildroot-2009.08/project_build_arm/uclibc/buildroot-config
>> mkdir -p /proj/tools/buildroot-2009.08/project_build_arm/uclibc
>> cp -dpRf package/config/buildroot-config
>> /proj/tools/buildroot-2009.08/project_build_arm/uclibc/buildroot-config
>> /usr/bin/make -j1 -C
>> /proj/tools/buildroot-2009.08/toolchain_build_arm/uClibc-0.9.30.1 \
>> PREFIX= \
>> DEVEL_PREFIX=/ \
>> RUNTIME_PREFIX=/ \
>> HOSTCC="/usr/lib/ccache/gcc" \
>> all
>> make[1]: Entering directory
>> `/proj/tools/buildroot-2009.08/toolchain_build_arm/uClibc-0.9.30.1'
>> GEN include/bits/sysnum.h
>> cc1: error: unrecognized command line option "-mbig-endian"
>> cc1: error: unrecognized command line option "-mbig-endian"
>> ERROR: Could not generate syscalls.
>> Make sure that you have proper kernel headers.
>> Your .config in KERNEL_HEADERS="" was set to:
>> /usr/include/
>> make[1]: *** [include/bits/sysnum.h] Error 1
>> make[1]: Leaving directory
>> `/proj/tools/buildroot-2009.08/toolchain_build_arm/uClibc-0.9.30.1'
>> make: ***
>> [/proj/tools/buildroot-2009.08/toolchain_build_arm/uClibc-0.9.30.1/lib/libc.a]
>> Error 2
>>
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