William Stein wrote:
> On Sun, Dec 20, 2009 at 6:45 PM, Tim Joseph Dumol <t...@timdumol.com> wrote:
>> Hello,
>>
>> Is there a list of environment variables such as $SAGE_VALGRIND,
>> $SAGE_BROWSER, etc. that affect Sage usage/compilation?
>>
> 
> See SAGE_ROOT/local/bin/sage-env
> 
> William
> 

It should be noted however that a lot of the packages in Sage do not use these, 
or use them properly.

CC and CXX for example are ignored by several packages

Atlas
http://trac.sagemath.org/sage_trac/ticket/7048

Flint
http://trac.sagemath.org/sage_trac/ticket/7024

Sage library
http://trac.sagemath.org/sage_trac/ticket/6595

to name but a few.

Few packages use RANLIB, LD, LN. Many do not use CFLAGS or CXXFLAGS. Few use 
SHAREDFLAGS. Some packages unset 'MAKE'.

So some caution needs to be used in the use of these.

Dave

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