diff --git a/GNUmakefile b/GNUmakefile
index 997795a6..fd7dc74c 100644
--- a/GNUmakefile
+++ b/GNUmakefile
@@ -726,12 +726,12 @@ CROSS_LIST = mips-linux-gnu-gcc \
 # s390x-linux-gnu-gcc         - works (previously: qemu hang/abort)
 # sparc64-linux-gnu-gcc       - coredump (qemu mmap-troubles, previously: qemu fails fcntl for F_SETLK/F_GETLK)
 # alpha-linux-gnu-gcc         - coredump (qemu mmap-troubles)
-CROSS_LIST_NOQEMU = sparc64-linux-gnu-gcc alpha-linux-gnu-gcc
+CROSS_LIST_NOQEMU = sparc64-linux-gnu-gcc alpha-linux-gnu-gcc riscv64-linux-gnu-gcc
 
 cross-gcc:
 	@echo '  Re-building by cross-compiler for: $(CROSS_LIST_NOQEMU) $(CROSS_LIST)'
 	@echo "CORRESPONDING CROSS-COMPILERs ARE REQUIRED."
-	@echo "FOR INSTANCE: apt install g++-aarch64-linux-gnu g++-alpha-linux-gnu g++-arm-linux-gnueabihf g++-hppa-linux-gnu g++-mips-linux-gnu g++-mips64-linux-gnuabi64 g++-powerpc-linux-gnu g++-powerpc64-linux-gnu g++-s390x-linux-gnu g++-sh4-linux-gnu g++-sparc64-linux-gnu"
+	@echo "FOR INSTANCE: apt install g++-aarch64-linux-gnu g++-alpha-linux-gnu g++-arm-linux-gnueabihf g++-hppa-linux-gnu g++-mips-linux-gnu g++-mips64-linux-gnuabi64 g++-powerpc-linux-gnu g++-powerpc64-linux-gnu g++-s390x-linux-gnu g++-sh4-linux-gnu g++-sparc64-linux-gnu riscv64-linux-gnu-gcc"
 	$(QUIET)for CC in $(CROSS_LIST_NOQEMU) $(CROSS_LIST); do \
 		echo "===================== $$CC"; \
 		$(MAKE) IOARENA=false CXXSTD= clean && CC=$$CC CXX=$$(echo $$CC | sed 's/-gcc/-g++/') EXE_LDFLAGS=-static $(MAKE) IOARENA=false all || exit $$?; \