Installing .gem in an embedded system

Ruby
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

On 3/1/07, Angelo [email protected] wrote:

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

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:

3

Jan S. ha scritto:

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.

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