diff --git a/lib-src/audacity-patches.txt b/lib-src/audacity-patches.txt
index 5ee6adee6..a2dbaff85 100644
--- a/lib-src/audacity-patches.txt
+++ b/lib-src/audacity-patches.txt
@@ -179,6 +179,8 @@ build system break. Not suitable for upstream, what is needed is more
 powerful autoconf features to pass the right options to portaudio's configure
 script, which suffers from the broken-ness of autoconf's subdirectory support
 
+* linkage.patch  allows compilation as C++ with correct "C" linkage of one function
+
 portmidi
 -------
 http://portmedia.sourceforge.net/
diff --git a/lib-src/portaudio-v19/linkage.patch b/lib-src/portaudio-v19/linkage.patch
new file mode 100644
index 000000000..95e4408e9
--- /dev/null
+++ b/lib-src/portaudio-v19/linkage.patch
@@ -0,0 +1,27 @@
+diff --git a/lib-src/portaudio-v19/src/os/unix/pa_unix_util.c b/lib-src/portaudio-v19/src/os/unix/pa_unix_util.c
+index 18f806c..7f4fd540 100644
+--- a/lib-src/portaudio-v19/src/os/unix/pa_unix_util.c
++++ b/lib-src/portaudio-v19/src/os/unix/pa_unix_util.c
+@@ -154,6 +154,10 @@ void PaUtil_InitializeClock( void )
+ }
+ 
+ 
++#ifdef __cplusplus
++extern "C" {
++#endif
++
+ PaTime PaUtil_GetTime( void )
+ {
+ #ifdef HAVE_MACH_ABSOLUTE_TIME
+@@ -169,6 +173,10 @@ PaTime PaUtil_GetTime( void )
+ #endif
+ }
+ 
++#ifdef __cplusplus
++}
++#endif
++
+ PaError PaUtil_InitializeThreading( PaUtilThreading *threading )
+ {
+     (void) paUtilErr_;
+