--- gentoo/media-sound/audacity/audacity-2.3.3.ebuild	2020-05-01 00:09:43.000000000 +0000
+++ local/media-sound/audacity/audacity-2.3.3.ebuild	2020-05-17 00:50:20.518926869 +0000
@@ -51,11 +51,13 @@
 BDEPEND="app-arch/unzip
 	virtual/pkgconfig
 	nls? ( sys-devel/gettext )
+	!portmixer? ( sys-devel/automake:1.15 )
 "
 
 PATCHES=(
 	"${FILESDIR}"/${PN}-2.3.3-Fix-building-against-system-portaudio.patch
 	"${FILESDIR}"/${PN}-2.3.3-fno-common.patch
+	"${FILESDIR}"/${PN}-2.3.2-fix-build-without-portmixer.patch
 )
 
 src_prepare() {
@@ -64,6 +66,11 @@
 	use midi || sed -i \
 		-e 's:^\(#define EXPERIMENTAL_MIDI_OUT\):// \1:' \
 		src/Experimental.h || die
+	if ! use portmixer ; then
+		# calling eautoreconf takes ages and is overkill
+		aclocal-1.15 -I m4/ || die
+		automake-1.15 lib-src/Makefile || die
+	fi
 }
 
 src_configure() {