diff --git a/src/gallium/targets/radeonsi/omx/Makefile.am b/src/gallium/targets/radeonsi/omx/Makefile.am
index 5eea303d69f..a502c659587 100644
--- a/src/gallium/targets/radeonsi/omx/Makefile.am
+++ b/src/gallium/targets/radeonsi/omx/Makefile.am
@@ -57,6 +57,10 @@ libomx_radeonsi_la_LIBADD = \
 	$(RADEON_LIBS)
 
 if HAVE_MESA_LLVM
+libomx_radeonsi_la_LINK = $(CXXLINK) $(libomx_radeonsi_la_LDFLAGS)
+# Mention a dummy pure C++ file to trigger generation of the $(LINK) variable
+nodist_EXTRA_libomx_radeonsi_la_SOURCES = dummy-cpp.cpp
+
 libomx_radeonsi_la_LDFLAGS += $(LLVM_LDFLAGS)
 libomx_radeonsi_la_LIBADD += $(LLVM_LIBS)
 endif