[yocto] Yocto SDK: how to deploy application with step "make install" to target?

[Jerry Lian]

Thanks Eric again.
* So you mean "copy -Rfa" can match folder-by-folder, so long as the
folder-tree are the same?
                (if yes, that is super great!!!)
* I check that "make install" copy files to one folder, so that is easy for
deployment!

Another question:
* My application actually has another step: "make modules_install" (surely
step "make modules" also)
* But I got error (see below):
               what could be wrong with "SSL error"? isn't build already
passed successfully?

------------------------------------------------------------
----------------------------------------
jerry at yct:~/ecat-33b922$ make modules_install
make -C "/usr/src/linux-headers-4.10.0-28-generic"
M="/home/jerry/ecat-33b922" \
    INSTALL_MOD_DIR="ethercat" modules_install
make[1]: Entering directory '/usr/src/linux-headers-4.10.0-28-generic'
mkdir: cannot create directory ‘/lib/modules/4.10.0-28-generic/ethercat’:
Permission denied
Makefile:1536: recipe for target '_emodinst_' failed
make[1]: *** [_emodinst_] Error 1
make[1]: Leaving directory '/usr/src/linux-headers-4.10.0-28-generic'
Makefile:934: recipe for target 'modules_install' failed
make: *** [modules_install] Error 2

jerry at yct:~/ecat-33b922$ sudo make modules_install
make -C "/usr/src/linux-headers-4.10.0-28-generic"
M="/home/jerry/ecat-33b922" \
    INSTALL_MOD_DIR="ethercat" modules_install
make[1]: Entering directory '/usr/src/linux-headers-4.10.0-28-generic'
  INSTALL /home/jerry/ecat-33b922/devices/ec_generic.ko
At main.c:158:
- SSL error:02001002:system library:fopen:No such file or directory:
bss_file.c:175
- SSL error:2006D080:BIO routines:BIO_new_file:no such file: bss_file.c:178
sign-file: certs/signing_key.pem: No such file or directory
  INSTALL /home/jerry/ecat-33b922/examples/mini/ec_mini.ko
At main.c:158:
- SSL error:02001002:system library:fopen:No such file or directory:
bss_file.c:175
- SSL error:2006D080:BIO routines:BIO_new_file:no such file: bss_file.c:178
sign-file: certs/signing_key.pem: No such file or directory
  INSTALL /home/jerry/ecat-33b922/master/ec_master.ko
At main.c:158:
- SSL error:02001002:system library:fopen:No such file or directory:
bss_file.c:175
- SSL error:2006D080:BIO routines:BIO_new_file:no such file: bss_file.c:178
sign-file: certs/signing_key.pem: No such file or directory
  DEPMOD  4.10.0-28-generic
make[1]: Leaving directory '/usr/src/linux-headers-4.10.0-28-generic'

jerry at yct:~/ecat-33b922$
------------------------------------------------------------
-------------------------------------------

Thanks!






On Fri, Dec 1, 2017 at 10:37 AM, Eric Schwarz <eas at sw-optimization.com>
wrote:

> Am 01.12.2017 16:15, schrieb Jerry Lian:
>
> Thanks Eric for your explanation!
>> * (I know I can build the app within yocto build, but sometimes I prefer
>> the SDK method outside yocto build.)
>>
>> * So just copy manually? I thought there are some tricks  that I don't
>> know.
>>
>>
> Acutally that's how we are doing it ...
>
> Now I have follow-up question:
>> * It seems that "make install" will copy different files to different
>> folders
>> * Can I do like these:?
>> --- make
>> --- copy (via scp)
>> --- make install
>> * Or it needs to be:
>> --- make
>> --- make install
>>
>
> Install the cross-compiled stuff on your local disc e.g. into a "transfer"
> directory. Then copy it to the target.
> On the target 'cp -Rfa <transfer-dir>/* /' should do it if the basic
> directory structure fits to your rootFS.
>
> --- copy (via scp) -----then how do I know: what files to go which folder?
>> --- can you explain:
>> "... you may supply a custom install prefix directory to configure." ---
>> how?
>>
>>
> There is IMHO no standardized variable available. Just look into the
> configure script how the variable is named and if it is actually available
> at all.
>
>
> Thanks!
>>
>> On Fri, Dec 1, 2017 at 9:34 AM, Eric Schwarz <eas at sw-optimization.com>
>> wrote:
>> Am 01.12.2017 15:16, schrieb Eric Schwarz:
>>
>> Hi Jerry,
>>
>> Am 01.12.2017 15:07, schrieb Jerry Lian:
>>
>> I am new to embedded linux, and some concepts confuse me:
>> * I have downloaded an Autotools-based application to run on my board.
>> * If I boot the board with original image/original SDK, I normally
>> build/install it with steps:
>> ----- ./bootstrap
>> ----- ./configure
>> ----- make
>> ----- make install
>> You may build your app within yocto build process so your application is
>> contained in your rootFS directly.
>>
>> * Now if I boot the board with yocto image without SDK, how can I deploy
>> the application?
>> ---- (surely I do "bitbake -c populate_sdk some-image", and source the
>> environment!)
>>
>> ----- ./bootstrap (Yocto SDK on host)
>> ----- ./configure (Yocto SDK on host)
>> ----- make         (Yocto SDK on host)
>> ----- make install (???)
>> If you build it w/ the SDK outside of the yocto build process just
>> install it to a local directory and copy all the stuff w/ e.g. scp onto
>> your boards rootFS.
>>
>  ... you may supply a custom install prefix directory to configure.
>
> * How to do "make install"? (I want to install it on target, but how?)
>>>
>>> Thanks!
>>>
>>
>> Cheers
>> Eric
>>
>
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