# HG changeset patch
# User Mike Miller <mtmiller@ieee.org>
# Date 1380687249 14400
# Node ID 97c9ba013ed1892fe6a1bd8711ccc09366b18064
# Parent  1f551d169db2017d4a56799519d94ebe7ef924b3
configure.ac: Add --without-portaudio and --without-sndfile options

* configure.ac: Add --without-portaudio and --without-sndfile options to
bypass checking for audio library dependencies.

diff -r 1f551d169db2 -r 97c9ba013ed1 configure.ac
--- a/configure.ac	Tue Oct 01 23:42:43 2013 -0400
+++ b/configure.ac	Wed Oct 02 00:14:09 2013 -0400
@@ -936,56 +936,70 @@
 
 ### Check for sndfile
 
-SNDFILE_CPPFLAGS=
-SNDFILE_LDFLAGS=
-SNDFILE_LIBS=
-
 warn_sndfile="sndfile library fails tests.  The audioinfo, audioread and audiowrite functions for reading and writing audio files will not be fully functional."
 
-PKG_CHECK_EXISTS([sndfile], [
-  SNDFILE_CPPFLAGS=`$PKG_CONFIG --cflags-only-I sndfile`
-  SNDFILE_LDFLAGS=`$PKG_CONFIG --libs-only-L sndfile`
-  SNDFILE_LIBS=`$PKG_CONFIG --libs-only-l sndfile`
-  warn_sndfile=
-])
+check_sndfile=no
+AC_ARG_WITH([sndfile],
+  [AS_HELP_STRING([--without-sndfile],
+    [don't use sndfile library, disable audio file I/O])],
+  [if test x"$withval" = x"no"; then
+     warn_sndfile="--without-sndfile specified.  The audioinfo, audioread and audiowrite functions for reading and writing audio files will not be fully functional."
+   else
+     check_sndfile=yes
+   fi],
+  [check_sndfile=yes])
+
+if test $check_sndfile = yes; then
+  PKG_CHECK_EXISTS([sndfile], [
+    SNDFILE_CPPFLAGS=`$PKG_CONFIG --cflags-only-I sndfile`
+    SNDFILE_LDFLAGS=`$PKG_CONFIG --libs-only-L sndfile`
+    SNDFILE_LIBS=`$PKG_CONFIG --libs-only-l sndfile`
+    warn_sndfile=
+  ])
+fi
 
 if test -z "$warn_sndfile"; then
-  AC_DEFINE(HAVE_SNDFILE, 1,
-    [Define to 1 if sndfile is available.])
+  AC_DEFINE(HAVE_SNDFILE, 1, [Define to 1 if sndfile is available.])
 else
   SNDFILE_CPPFLAGS=
   SNDFILE_LDFLAGS=
   SNDFILE_LIBS=
 fi
-
 AC_SUBST(SNDFILE_CPPFLAGS)
 AC_SUBST(SNDFILE_LDFLAGS)
 AC_SUBST(SNDFILE_LIBS)
 
 ### Check for PortAudio
 
-PORTAUDIO_CPPFLAGS=
-PORTAUDIO_LDFLAGS=
-PORTAUDIO_LIBS=
-
 warn_portaudio="PortAudio library fails tests.  The audioplayer, audiorecorder classes and audiodevinfo function for audio playback and recording will not be fully functional."
 
-PKG_CHECK_EXISTS([portaudio-2.0 >= 19], [
-  PORTAUDIO_CPPFLAGS=`$PKG_CONFIG --cflags-only-I portaudio-2.0`
-  PORTAUDIO_LDFLAGS=`$PKG_CONFIG --libs-only-L portaudio-2.0`
-  PORTAUDIO_LIBS=`$PKG_CONFIG --libs-only-l portaudio-2.0`
-  warn_portaudio=
-])
+check_portaudio=no
+AC_ARG_WITH([portaudio],
+  [AS_HELP_STRING([--without-portaudio],
+    [don't use PortAudio library, disable audio playback and recording])],
+  [if test x"$withval" = x"no"; then
+     warn_portaudio="--without-portaudio specified.  The audioplayer, audiorecorder classes and audiodevinfo function for audio playback and recording will not be fully functional."
+   else
+     check_portaudio=yes
+   fi],
+  [check_portaudio=yes])
+
+if test $check_portaudio = yes; then
+  PKG_CHECK_EXISTS([portaudio-2.0 >= 19], [
+    PORTAUDIO_CPPFLAGS=`$PKG_CONFIG --cflags-only-I portaudio-2.0`
+    PORTAUDIO_LDFLAGS=`$PKG_CONFIG --libs-only-L portaudio-2.0`
+    PORTAUDIO_LIBS=`$PKG_CONFIG --libs-only-l portaudio-2.0`
+    warn_portaudio=
+  ])
+fi
 
 if test -z "$warn_portaudio"; then
-  AC_DEFINE(HAVE_PORTAUDIO, 1,
-    [Define to 1 if PortAudio is available.])
+  AC_DEFINE(HAVE_PORTAUDIO, 1, [Define to 1 if PortAudio is available.])
 else
   PORTAUDIO_CPPFLAGS=
   PORTAUDIO_LDFLAGS=
   PORTAUDIO_LIBS=
 fi
-
 AC_SUBST(PORTAUDIO_CPPFLAGS)
 AC_SUBST(PORTAUDIO_LDFLAGS)
 AC_SUBST(PORTAUDIO_LIBS)