> However, improvement is always possible. I added some small modifications:
>
> - test the system lib only, if --enable-localpng is _not_ set
good, it will be faster this way
>
> This is needed, because we would otherwise set the header variables
> according to the system lib, and not according to the finally used local
> lib.
Not really because we would not care about this syspnglib_ok flag (as the first
test would be true regardless of the second test in in local mode here:
if test x$enable_localpng = xyes -o x$syspnglib_ok = xno ; then
^is true in local mode so don't care about
syspnglib_ok.
But it's cleaner and probably faster this way.
Seems to work beautifully, thanks.
In the same order of ideas, I think my else case in the syspnglib_ok test is
redundant with default init, but well :-)
Thanks,
Fabien
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