[Scons-users] setting tool collection and compiler version from OS to OS

[William Blevins]

Roger,

I imagine that the SConstruct in question makes its own environment, so
your "init" doesn't have any effect.  Without any additional information,
I'm not sure what any of us can tell you.

V/R,
William

On Fri, Jan 2, 2015 at 2:28 PM, Roger Martin <roger at quantumbioinc.com>
wrote:

> Ah should have been
> ---------
> mkdir -p site_scons
> cat <<EOF >./site_scons/site_init.py
> env = DefaultEnvironment(tools = ['gcc', 'gnulink'],
>                          CC = '/opt/gcc/current/bin/gcc',
>                          CXX = '/opt/gcc/currentbin/g++')
> EOF
> ---------
>
> Same lack of influence.  Still goes with /usr/bin/c++
>
>
>
> On 01/02/2015 02:09 PM, Roger Martin wrote:
>
>> Hi,
>>
>> Scenario:
>>
>> Building someone else's project that is based on SCONS
>> via jenkins (http://jenkins-ci.org/)
>> Building on a CentOS using gcc 4.9.2
>> Building on a Mac OSX(11.4.2 Darwin Kernel Version 11.4.2)
>>
>> The CentOS build builds successfully but I didn't check yet; probably not
>> the compiler version I intended but it didn't say to screen
>> On the Mac OSX scons goes with /usr/bin/c++ and build fails; this is an
>> older c++ version and can't be upgraded on that system by me.
>>
>> 1) From Jenkins I don't want to be sed'ing someone else's scons scripts
>> to bork them into working.  Want clean builds.
>> 2) I tried adding a site_init.py (http://www.scons.org/doc/
>> production/HTML/scons-user.html#idm12919064) in the build directory but
>> this didn't seem to get picked up or influence anything
>> ---------
>> mkdir -p site_scon
>> cat <<EOF >./site_scon/site_init.py
>> env = DefaultEnvironment(tools = ['gcc', 'gnulink'],
>>                          CC = '/opt/gcc/current/bin/gcc',
>>                          CXX = '/opt/gcc/currentbin/g++')
>> EOF
>> ----------
>>
>> What is a way to achieve builds at the version of compiler known to be
>> compatible with the source code?  [other than system upgrades and when
>> versions are available at custom installs to directories such as
>> /opt/gcc/current]
>>
>> There are two cases for this as well; someone else's project where they
>> are 1) responsive and willing to add/adapt their build scripts
>> 2)unresponsive or unwilling to add/adapt
>>
>> For 2 I need a way to do it that overrides their scripts decision to use
>> /usr/bin/c++
>>
>>
>>
>>
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>>
>>
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