Re: [microblaze-uclinux] net-snmp configuration options

[John Williams <jwilliams@xxxxxxxxxxxxxx>]

Hi Ronaldo,

Ronaldo Valiati wrote:

> ) and pointed his tutorial, but editing the makefiles isn't the best way
> to add/remove the compilation of specific modules in NET-SNMP, to that,
> we should use the --with-mib-modules and --with-out-mib-modules, but to
> use the configure script, I need to know other parameters, like
> endianess (big, in this case), host, etc, the options used to generate
> the Makefiles in the NET_SNMP dir the first time. I know this post might
> seem a bit off-topic, but these configuration parameters are specific to
> microblaze.

As of the most recent version on the uClinux-dist, and thanks to the
magical little utility called ucfront, it is now much much simpler to
integrate GNU-configure apps into uClinux.

This is infinitely preferable to the bad old days of running configure
then hacking the auto-generated Makefiles.  I've build big
GNU-configured apps and libs with this automated approach, and it works
very nicely.

Sometimes you need to add a couple of lines in the config.srv files to
tell configure about microblaze (adding "| mb- \" lines) - it's easy to
follow the pattern from other architectures.

Take a look at user/gdb/makefile for an example.

Generally you

1. create uClinux-dist/user/newpackage
2. extract the package sources into user/newpackage.
3. Create user/newpackage/Makefile, that looks like this:

all: build/build
        $(MAKE) -C build

build/build: makefile
        rm -rf build
        mkdir build
        (cd build; ../configure --target=$(CROSS_COMPILE:-=))
        touch build/build

clean:
        rm -rf build

romfs:
        $(ROMFSINST) -e CONFIG_USER_{APPNAME} build/{appname} /bin/{appname}

(changing APPNAME,appname as required)

4. Add a line into user/Makefile to descend into your new package
directory if CONFIG_USER_{APPNAME} is set

5. Add a line in uClinux-dist/Config.in for your new app in the userland
menuconfig (CONFIG_USER_APPNAME)

Hope this helps,

John
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