[OE-core] CMake error? CMAKE_AR-NOTFOUND

Khem Raj raj.khem at gmail.com
Wed Jan 25 18:22:56 UTC 2012


On Wed, Jan 25, 2012 at 12:31 AM, Samuel Stirtzel
<s.stirtzel at googlemail.com> wrote:
> 2012/1/25 Samuel Stirtzel <s.stirtzel at googlemail.com>:
>> 2012/1/24 Richard Purdie <richard.purdie at linuxfoundation.org>:
>>> On Tue, 2012-01-24 at 14:30 +0100, Samuel Stirtzel wrote:
>>>> Hi,
>>>> currently I try to build a native software that needs CMake, it is a
>>>> required tool to cross compile another software.
>>>> An it seems that CMAKE_AR is set to an invalid value (CMAKE_AR-NOTFOUND).
>>>> The cmake.bbclass has no entry about this.
>>>>
>>>> By searching the web, the only information found was that it can be
>>>> set to ${GCC_PATH}/dld.
>>>> As I am usually not working with CMake where can I find the native
>>>> "ar" or "dld" executable in OpenEmbedded?
>>>>
>>>> Using the archiver from my hosts /usr/bin/ar seems to be wrong since
>>>> in cmake.bbclass "set( CMAKE_FIND_ROOT_PATH_MODE_PROGRAM ONLY )"
>>>> prohibits it.
>>>
>>> In the same way the class figures out OECMAKE_C_COMPILER from ${CC}, you
>>> probably need to figure out ar from ${AR} and pass it to the cmake
>>> configuration.
>>>
>>> Note I know very little about cmake so I'm of less help with that
>>> piece ;-).
>>
>> After looking around in all ends of OE-core it shows up that this
>> error is caused by binutils.inc.
>> Finding ar would be no problem itself, but if the binary is not
>> installed or gets deleted after building binutils-native it is
>> impossible to locate it.
>>
>> In binutils.inc do_install:
>> rm ${D}${bindir}/ar ${D}${bindir}/strings
> Sorry I pasted the wrong line, this was for cross compiling.
> From the do_install_virtclass-native:
> # We only want libiberty, libbfd and libopcodes
> rm -rf ${D}${bindir}
>
> but the effect is still the same..
>>
>> Well I still wonder why my target sysroot has ar if it gets deleted here...
>>

because its installed using post_install script.

>> Anyone knows why ar is being removed in do_install?

since post_install will install it as a symlink

>>
>>
>> --
>> Regards
>> Samuel
>
>
>
> --
> Regards
> Samuel
>
> _______________________________________________
> Openembedded-core mailing list
> Openembedded-core at lists.openembedded.org
> http://lists.linuxtogo.org/cgi-bin/mailman/listinfo/openembedded-core




More information about the Openembedded-core mailing list