[Freeciv-Dev] Re: (PR#8509) ALSA sound plugin for freeciv

["Javier Pello" <jpello@xxxxxxxxxxxxx>]

<URL: http://rt.freeciv.org/Ticket/Display.html?id=8509 >

Per I. Mathisen wrote:
> > I have developed a sound plugin for freeciv to support ALSA,
> > and I would like to contribute it in case someone else finds
> > it useful.
> 
> I've fixed a few bugs and cleaned up the style issues. The patch and the
> new files are attached. I cannot test it myself, since I cannot get ALSA
> working on this box, so if someone with working ALSA could test it, I
> would be very grateful.
> 
> The two new files should go in client/, patch up, and then rerun
> ./autogen_sh.

I have tested the new patch against freeciv-cvs-Apr-18 and it works as
usual, although I had to manually re-add the file m4/alsa.m4 that I had
sent with my first patch (attached again) to get aclocal working.

Javier

dnl AM_ALSA_SUPPORT([ACTION-IF-SUPPORTS [, ACTION-IF-NOT-SUPPORTS]])
dnl Partially stolen from alsaplayer
dnl
AC_DEFUN(AM_ALSA_SUPPORT,
[dnl
  AC_MSG_CHECKING(for ALSA version)
  AC_EGREP_CPP([AP_maGiC_VALUE],
  [
#include <sys/asoundlib.h>
#if defined(SND_LIB_MAJOR) && defined(SND_LIB_MINOR)
#if SND_LIB_MAJOR>0 || (SND_LIB_MAJOR==0 && SND_LIB_MINOR>=6)
AP_maGiC_VALUE
#endif
#endif
  ],
  AC_MSG_RESULT([>= 0.6])
  AC_MSG_CHECKING(for Audio File version)
  AC_EGREP_CPP([AP_maGiC_VALUE],
  [
#include <audiofile.h>
#if defined(LIBAUDIOFILE_MAJOR_VERSION) && defined(LIBAUDIOFILE_MINOR_VERSION)
#if LIBAUDIOFILE_MAJOR_VERSION>0 || (LIBAUDIOFILE_MAJOR_VERSION==0 && 
LIBAUDIOFILE_MINOR_VERSION>=2)
AP_maGiC_VALUE
#endif
#endif
  ],
  AC_MSG_RESULT([>= 0.2])
  ALSA_CFLAGS=""
  ALSA_LIB="-laudiofile -lasound"
  ifelse([$1], , :, [$1]),
  ifelse([$2], , :, [$2])
  ),
  ifelse([$2], , :, [$2])
  )
])