--- audio/portaudio/Makefile	
+++ audio/portaudio/Makefile	
@@ -21,8 +21,7 @@ CPE_VENDOR=	portaudio_project
 
 GNU_CONFIGURE=	yes
 CONFIGURE_ARGS=	--disable-dependency-tracking \
-		--enable-cxx \
-		--without-alsa
+		--enable-cxx
 MAKE_ARGS=	EXAMPLES=""
 
 MAKE_JOBS_UNSAFE=	yes
@@ -32,11 +31,14 @@ WRKSRC=		${WRKDIR}/${PORTNAME}
 PORTDOCS=	*
 PORTEXAMPLES=	*
 
-OPTIONS_DEFINE=	DOCS DOXYGEN EXAMPLES JACK PATEST SNDIO
+OPTIONS_DEFINE=	ALSA DOCS DOXYGEN EXAMPLES JACK PATEST SNDIO
 OPTIONS_SUB=	yes
 
 PATEST_DESC=	PortAudio Test Programs
 
+ALSA_LIB_DEPENDS=	libasound.so:audio/alsa-lib
+ALSA_CONFIGURE_WITH=	alsa
+
 DOXYGEN_IMPLIES=	DOCS
 DOXYGEN_BUILD_DEPENDS=	doxygen:devel/doxygen
 
--- audio/portaudio/files/patch-configure.in	
+++ audio/portaudio/files/patch-configure.in	
@@ -1,5 +1,5 @@ 
 $OpenBSD: patch-configure_in,v 1.4 2014/09/13 04:56:28 bentley Exp $
---- configure.in.orig	2016-06-22 08:28:31 UTC
+--- configure.in.orig	2016-10-30 01:23:04 UTC
 +++ configure.in
 @@ -24,6 +24,10 @@ AC_ARG_WITH(alsa,
              AS_HELP_STRING([--with-alsa], [Enable support for ALSA @<:@autodetect@:>@]),
@@ -23,7 +23,7 @@ $OpenBSD: patch-configure_in,v 1.4 2014/09/13 04:56:28 bentley Exp $
  have_asihpi=no
  if test "x$with_asihpi" != "xno"; then
      AC_CHECK_LIB(hpi, HPI_SubSysCreate, have_asihpi=yes, have_asihpi=no, -lm)
-@@ -397,6 +405,13 @@ case "${host_os}" in
+@@ -406,6 +414,13 @@ case "${host_os}" in
             AC_DEFINE(PA_USE_ALSA,1)
          fi
  
@@ -37,11 +37,12 @@ $OpenBSD: patch-configure_in,v 1.4 2014/09/13 04:56:28 bentley Exp $
          if [[ "$have_jack" = "yes" ] && [ "$with_jack" != "no" ]] ; then
             DLL_LIBS="$DLL_LIBS $JACK_LIBS"
             CFLAGS="$CFLAGS $JACK_CFLAGS"
-@@ -500,6 +515,7 @@ case "$target_os" in
+@@ -509,6 +524,8 @@ case "$target_os" in
          ;;
       *)
  	AC_MSG_RESULT([
 +  Sndio ....................... $have_sndio
++  ALSA ........................ $have_alsa
    OSS ......................... $have_oss
    JACK ........................ $have_jack
  ])
--- audio/portaudio/files/patch-include_portaudio.h	
+++ audio/portaudio/files/patch-include_portaudio.h	
@@ -1,7 +1,7 @@ 
 $OpenBSD: patch-include_portaudio_h,v 1.2 2013/03/12 00:59:50 brad Exp $
---- include/portaudio.h.orig	2018-07-17 06:55:08 UTC
+--- include/portaudio.h.orig	2016-10-30 01:23:04 UTC
 +++ include/portaudio.h
-@@ -236,7 +236,8 @@ typedef enum PaHostApiTypeId
+@@ -287,7 +287,8 @@ typedef enum PaHostApiTypeId
      paWDMKS=11,
      paJACK=12,
      paWASAPI=13,
@@ -11,7 +11,7 @@ $OpenBSD: patch-include_portaudio_h,v 1.2 2013/03/12 00:59:50 brad Exp $
  } PaHostApiTypeId;
  
  
-@@ -1144,6 +1145,15 @@ signed long Pa_GetStreamReadAvailable( PaStream* strea
+@@ -1195,6 +1196,15 @@ signed long Pa_GetStreamReadAvailable( PaStream* strea
   error is encountered.
  */
  signed long Pa_GetStreamWriteAvailable( PaStream* stream );
--- audio/portaudio/files/patch-src_common_pa__front.c	
+++ audio/portaudio/files/patch-src_common_pa__front.c	
@@ -1,6 +1,6 @@ 
---- src/common/pa_front.c.orig	2018-07-17 06:44:39 UTC
+--- src/common/pa_front.c.orig	2016-10-30 01:23:04 UTC
 +++ src/common/pa_front.c
-@@ -1216,8 +1216,10 @@ PaError Pa_OpenStream( PaStream** stream,
+@@ -1257,8 +1257,10 @@ PaError Pa_OpenStream( PaStream** stream,
                                    hostApiInputParametersPtr, hostApiOutputParametersPtr,
                                    sampleRate, framesPerBuffer, streamFlags, streamCallback, userData );
  
@@ -12,7 +12,7 @@ 
  
  
      PA_LOGAPI(("Pa_OpenStream returned:\n" ));
-@@ -1729,6 +1731,32 @@ signed long Pa_GetStreamWriteAvailable( PaStream* stre
+@@ -1770,6 +1772,32 @@ signed long Pa_GetStreamWriteAvailable( PaStream* stre
      return result;
  }
  
--- audio/portaudio/pkg-plist	
+++ audio/portaudio/pkg-plist	
@@ -32,6 +32,7 @@ 
 %%PATEST%%bin/patest_underflow
 %%PATEST%%bin/patest_wire
 %%JACK%%include/pa_jack.h
+%%ALSA%%include/pa_linux_alsa.h
 include/pa_unix_oss.h
 include/portaudio.h
 include/portaudiocpp/AutoSystem.hxx