[PD-dev] general makefile question

[IOhannes m zmoelnig]

On 2010-12-01 23:56, Albert Graef wrote:
> IOhannes m zmölnig wrote:
>> however, afaict, CFLAGS and LDFLAGS are commonly meant to be settable by
>> the user, so setting those should not break the build system.
> 
> Exactly. Therefore a Makefile should *not* set CFLAGS, CXXFLAGS, LDFLAGS
> and the like, or only set them to some reasonable defaults which can be
> freely overridden by the user. Of course this means that build-specific
> options must be passed in the corresponding Makfile rules in addition to
> these variables.

finarlly someone who understands me!

> 
> This is only a convention, of course, but it's part of the GNU Coding
> Standards 

ha, thank you very much for the pointer.
i think the curcial part is:
"If there are C compiler options that must be used for proper
compilation of certain files, do not include them in CFLAGS. Users
expect to be able to specify CFLAGS freely themselves."

and i think this can also be extrapolated for any of the standard flags
(CPPFLAGS, CFLAGS, CXXFLAGS, LDFLAGS)

masdr
IOhannes


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