Bug#707912: espeak: the AUDIO=runtime compilation ption does not invoke PulseAudio as intended

[Jason White <jason@jasonjgw.net>]

Reece Dunn <msclrhd@googlemail.com> wrote:
> Are you sure the AUDIO=runtime flags are being set during the build?
> 
> In line 30 of src/Makefile, espeak sets AUDIO=portaudio. This could be
> overriding the AUDIO setting like CXXFLAGS were being overrided in bug
> #707925.
> 
> If AUDIO=runtime is built correctly, both wave.cpp and wave_pulse.cpp
> should be compiled and -DUSE_PULSEAUDIO -DUSE_PORTAUDIO should be passed to
> the compiler (see lines 37-39).

Yes, indeed, and that's exactly what I see in the output of make during the
compilation.

It appears that variables specified on the make command line are treated
differently from those brought in from the environment.