[Scons-users] Compiling a program with scons

[William Roberts]

On Wed, Feb 18, 2015 at 2:11 PM, Mark A. Flacy <mflacy at verizon.net> wrote:

>  On Wednesday, February 18, 2015 12:49:53 PM Owen Alanzo Hogarth wrote:
>
> > Hi William
>
> >
>
> > Thank you, I did read the documentation and I am still a bit confused.
>
> > Doing simple things like compiling a hello.c program works but lets say
> for
>
> > example look at the cURL package. Since it has no external dependencies.
>
>
>
> It does have autogenerated code as well as a complicated automake setup.
>
>
>
> I'd find a simpler example to try, myself.
>

You want something simple, but real? Build Lua, its a cinch and will get
you started.


>
>
>
>
> >
>
> > I download and extract the tarball, go into the src folder
>
> >
>
> > now let's say I create a SConstruct file like this:
>
> >
>
> > env = Environment()
>
> >
>
> > env.Program(target = "curl", source = [Glob("*.c")])
>
> >
>
> >
>
> > Then I run scons like so and I get an error like this:
>
> >
>
> > Brother:src blubee$ scons
>
> >
>
> > scons: Reading SConscript files ...
>
> >
>
> > scons: done reading SConscript files.
>
> >
>
> > scons: Building targets ...
>
> >
>
> > gcc -o tool_binmode.o -c tool_binmode.c
>
> >
>
> > In file included from tool_binmode.c:22:
>
> >
>
> > ./tool_setup.h:36:10: fatal error: 'curl_setup.h' file not found
>
> >
>
> > #include "curl_setup.h" /* from the lib directory */
>
> >
>
> > ^
>
> >
>
> > 1 error generated.
>
> >
>
> > scons: *** [tool_binmode.o] Error 1
>
> >
>
> > scons: building terminated because of errors.
>
> >
>
> >
>
> > I am writing the SConstruct file in the /src folder and running scons
> from
>
> > the same folder.
>
>
>
> If you wish to continue with this, see CPPPATH (
> http://www.scons.org/doc/production/HTML/scons-man.html#cv-CPPPATH)
>
>
>
> You really need to read and understand the automake files (ALL the
> Makefile.am files in all the directories) in the curl source to see how the
> source is put together and how it is supposed to compile. For example, the
> curl binary requires libcurl to be built first. That's the code in the lib
> directory.
>
>
>
> I've built an old version of nettrek with scons as well as used scons to
> build things such as docbook based documentation.
>
>
>
> See http://syx.googlecode.com/svn/trunk/SConstruct for a sample
> SConstruct file for a somewhat complicated build (from
> http://www.scons.org/wiki/SconsProjects where I found the Syx project).
> Not all of the projects on that page are still using SCons, but some of
> them still are. I suggest that you look through them to see what can be
> done that isn't super simple.
>
>
>
>
>
>
>
> --
>
> Mark A. Flacy
>
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> Scons-users at scons.org
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>
>


-- 
Respectfully,

William C Roberts
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