--- src/Makefile.am~	2018-01-31 01:46:08.000000000 +0300

+++ src/Makefile.am	2019-02-24 12:06:49.540331881 +0300

@@ -42,7 +42,7 @@

 if USE_DEBUG

 calf_la_LDFLAGS = -rpath $(pkglibdir) -avoid-version -module -lexpat -disable-static

 else

-calf_la_LDFLAGS = -rpath $(pkglibdir) -avoid-version -module -lexpat -disable-static -export-symbols-regex "lv2_descriptor"

+calf_la_LDFLAGS = -rpath $(pkglibdir) -avoid-version -module -lexpat -disable-static

 endif

 if USE_LV2_GUI