--- a/make/suncc.mk	Tue Aug 13 22:14:32 2019 +0200
+++ b/make/suncc.mk	Sat Sep 24 16:26:10 2022 +0200
@@ -2,9 +2,9 @@
 # suncc toolchain
 #
 
-CFLAGS += -xc99 -g
-LDFLAGS += -Wl,-R,'$$ORIGIN/../lib'
+CFLAGS += -xc99 -g -m64
+LDFLAGS += -m64 -Wl,-R,'$$ORIGIN/../lib'
 
 SHLIB_CFLAGS = -Kpic
-SHLIB_LDFLAGS = -G
+SHLIB_LDFLAGS = -G -m64