[Scons-users] Compiling a program with scons

[William Roberts]

I'm pretty sure that curl setup file gets created as part of the build
process by auto tools. I think it has all the configure defines in it. So
you would need to do something to recreate it.
On Feb 18, 2015 2:24 AM, "Owen Alanzo Hogarth" <gurenchan at gmail.com> wrote:

> Hi Bill
>
> That helped but then it seems like I didn't quite need that Configure
> object just yet. I added lib/ include directories so now my SConstruct file
> looks like this:
> env = Environment(
> LIBPATH=['/Users/blubee/Downloads/curl-7.40.0/lib/'],
> CPPPATH=['/Users/blubee/Downloads/curl-7.40.0/include/curl'])
>
> env.Program(target = "curl", source = [Glob("*.c")])
>
>
> I get this error:
>
> scons: done reading SConscript files.
>
> scons: Building targets ...
>
> gcc -o tool_binmode.o -c
> -I/Users/blubee/Downloads/curl-7.40.0/include/curl 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.
>
>
> Now that file curl_setup.h is actually already in the lib directory
> located under the LIBPATH variable.
>
>
> What am I missing here?
>
>
> On Wed, Feb 18, 2015 at 1:51 PM, Bill Deegan <bill at baddogconsulting.com>
> wrote:
>
>> Owen,
>>
>> You've not chosen the simplest project to start with.
>> Their build system uses autoconf logic which will determine information
>> about the current environment (compilers, libraries, system specific items)
>> and usually those generate a makefile and also some include files which set
>> preprocessor defines which are used in the source code.
>>
>> You'll have to use Configure contexts in SCons to replicate this
>> functionality. It could get pretty involved.
>> See http://scons.org/doc/production/HTML/scons-user.html#chap-sconf for
>> more info about SCons' autoconf like capabilities.
>>
>> -Bill
>>
>> On Tue, Feb 17, 2015 at 8:49 PM, Owen Alanzo Hogarth <gurenchan at gmail.com
>> > 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.
>>>
>>> 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.
>>>
>>> On Tue, Feb 17, 2015 at 10:41 PM, William Blevins <wblevins001 at gmail.com
>>> > wrote:
>>>
>>>> Have you skimmed through the User's Guide yet?  The SCons User's Guide
>>>> is a very rich source of information.
>>>>
>>>> For autoconf-like behavior support please see chapter 23:
>>>> http://www.scons.org/doc/HTML/scons-user/ch23.html
>>>>
>>>> For generic compile support just start at chapter 2:
>>>> http://www.scons.org/doc/HTML/scons-user/ch02.html
>>>>
>>>> V/R,
>>>> William
>>>>
>>>> On Tue, Feb 17, 2015 at 8:32 AM, Owen Alanzo Hogarth <
>>>> gurenchan at gmail.com> wrote:
>>>>
>>>>> I am trying to learn the scons build system but I am totally lost, if
>>>>> anyone has built anything with it could they please offer some assistance.
>>>>>
>>>>> I have this sample project that I'd like to build just to get the hang
>>>>> of scons.
>>>>>
>>>>> http://curl.haxx.se/download/curl-7.40.0.tar.lzma
>>>>>
>>>>> cURL has no real dependencies and should just compile with what's in
>>>>> the src directory but I just can't wrap my head around building it.
>>>>>
>>>>> I can work with the autotools build process but I am just not sure how
>>>>> to do it with scons.
>>>>>
>>>>> _______________________________________________
>>>>> Scons-users mailing list
>>>>> Scons-users at scons.org
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>>>>>
>>>>>
>>>>
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>>
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>
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