Installing .gem in an embedded system

ruby-talk
1

Hi,
I am trying to install sqlite3-ruby-1.1.0.gem on an embedded system (with
ARM cpu).

From the target I use the command
gem install sqlite3-ruby-1.1.0.gem
but the installation fail, saying that sqlite3.h cannot be found.

This is the mkmf.log:

--------- mkmf.log -----------

have_header: checking for sqlite3.h... -------------------- no

"arm-linux-gcc -E -I. -I/usr/local/lib/ruby/1.8/arm-linux -I. -I/include/
-I/usr
checked program was:
/* begin */
1: #include <sqlite3.h>
/* end */

···

--------------------

It seems that the installation process wants a gcc compiler but on my
target I have not a toolchain.

How can I install sqlite3-ruby gem on my target without compiling?

Thanks ad regards.
Angelo Fontana

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2

extract the sources, compile the extension where you have the
toolchain, and then repack with binary extension (inspire yourself
with -win32 gems -- typically win32 has no toolchain installed as
well)

I'll leave the details up to you :wink:

···

On 3/1/07, Angelo <fonta72@gmail.com> wrote:

Hi,
I am trying to install sqlite3-ruby-1.1.0.gem on an embedded system (with
ARM cpu).

From the target I use the command
gem install sqlite3-ruby-1.1.0.gem
but the installation fail, saying that sqlite3.h cannot be found.

This is the mkmf.log:

--------- mkmf.log -----------

have_header: checking for sqlite3.h... -------------------- no

"arm-linux-gcc -E -I. -I/usr/local/lib/ruby/1.8/arm-linux -I. -I/include/
-I/usr
checked program was:
/* begin */
1: #include <sqlite3.h>
/* end */

--------------------

It seems that the installation process wants a gcc compiler but on my
target I have not a toolchain.

How can I install sqlite3-ruby gem on my target without compiling?

3

Jan Svitok ha scritto:

> Hi,
> I am trying to install sqlite3-ruby-1.1.0.gem on an embedded system (with
> ARM cpu).
>
> From the target I use the command
> gem install sqlite3-ruby-1.1.0.gem
> but the installation fail, saying that sqlite3.h cannot be found.
>
> This is the mkmf.log:
>
> --------- mkmf.log -----------
>
> have_header: checking for sqlite3.h... -------------------- no
>
> "arm-linux-gcc -E -I. -I/usr/local/lib/ruby/1.8/arm-linux -I. -I/include/
> -I/usr
> checked program was:
> /* begin */
> 1: #include <sqlite3.h>
> /* end */
>
> --------------------
>
>
> It seems that the installation process wants a gcc compiler but on my
> target I have not a toolchain.
>
> How can I install sqlite3-ruby gem on my target without compiling?

extract the sources, compile the extension where you have the
toolchain, and then repack with binary extension (inspire yourself
with -win32 gems -- typically win32 has no toolchain installed as
well)

I'll leave the details up to you :wink:

I am not able to build a non-empty .gem, so I worked with .tar.gz package.
I have crosscompiled the extension with the toolchain, I installed the
package in /tmp/sqlite3-ruby (with the command: ruby setup.rb install
--prefix=/tmp/sqlite3-ruby) and I copied /tmp/sqlite3-ruby on the target.
Then I had to build an empty .gem, because sqlite3-ruby didn't appear in
the list of installed .gem on the target.
After the installation of the empty .gem, the package worked properly.

Now I should learn how to build a non-empty .gem! :wink:

Thanks you for your help!

Angelo.

···

On 3/1/07, Angelo <fonta72@gmail.com> wrote:

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