Reenable ubsan

Makefile

@@ -1,16 +1,12 @@
 PROGNM = enlighten
 
 CC ?= gcc
-CFLAGS ?= -O2 -fPIE -flto -fstack-protector-strong --param=ssp-buffer-size=1 -Wno-reserved-id-macro -Wall -Wextra -Wpedantic -Werror -std=gnu18
+CFLAGS ?= -O2 -fPIE -flto -fstack-protector-strong --param=ssp-buffer-size=1 -Wno-reserved-id-macro -Wall -Wextra -Wpedantic -Werror -std=gnu18 -fsanitize=undefined
 VER ?= $(shell (git describe --long --tags | sed 's/\([^-]*-g\)/r\1/;s/-/./g' || date +"v0.r%Y%m%d"))
 FMFLAGS = -wp -then -wp -wp-rte
 SOURCES = $(wildcard src/*.c)
 ARCH ?= $(shell uname -m)
 
-ifneq ($(ARCH), aarch64)
-CFLAGS += -fsanitize=undefined
-endif
-
 ifneq ($(CC), tcc)
 CFLAGS += -pie -D_FORTIFY_SOURCE=2
 LDFLAGS += -Wl,-z,relro,-z,now