Re: Recompiling a source multiple times

[Peter Johansson]

On 03/31/2014 02:45 AM, Balaji, Pavan wrote:
> Hello,
>
> I’m looking for a way to recompile the same source file multiple times with 
> different flags and adding them into a single library.
>
> Currently, I’m doing this:
>
> ----8<----
> lib_foo_la_CPPFLAGS = -DBUILD_FOO
> lib_foo_la_SOURCES = a.c b.c
>
> lib_bar_la_CPPFLAGS = -DBUILD_BAR
> lib_bar_la_SOURCES = a.c b.c
> ----8<----

You can merge libfoo and libbar with something like:

lib_LTLIBRARIES = libfubar.la
libyat_la_LIBADD = libfoo.la libbar.la

Very untested and confused by your underscores.

Cheers,
Peter

> This builds a.c and b.c with two different flags, but creates two different 
> libraries libfoo.la and libbar.la.  Is there a way to embed them into a single 
> library?  The build flags already take care of eliminating duplicate symbols.
>
> Note that doing source-specific builds will be inconvenient as the number of 
> source files can be very large.
>
> Thanks,
>
>    — Pavan


--
Peter Johansson