--- Makefile.orig	2026-09-16 08:38:04 UTC
+++ Makefile
@@ -5,11 +5,15 @@ BINDIR = $(PREFIX)/bin
 PREFIX ?= /usr/local
 BINDIR = $(PREFIX)/bin
 
-CC = gcc
-CFLAGS = -Wall -Wextra -O3 -std=c11 -pthread -D_GNU_SOURCE -D_DEFAULT_SOURCE \
+CC ?= gcc
+CFLAGS ?= -Wall -Wextra -O3 -std=c11 -pthread -D_GNU_SOURCE -D_DEFAULT_SOURCE \
          -flto -funroll-loops -finline-functions
-LDFLAGS = -pthread -flto
+LDFLAGS += -pthread -flto
 
+# All SIMD "hacks/detection" should be disabled as we have CPUTYPE and the current
+# approach is also broken as host might not share the same CPU features as target.
+ifeq (0, 1)
+
 # Build mode: NATIVE=1 tunes for this CPU; PORTABLE=1 avoids host x86 ISA flags.
 # Example: make NATIVE=1
 ifeq ($(NATIVE),1)
@@ -48,6 +52,8 @@ else ifeq ($(ARCH), aarch64)
 else ifeq ($(ARCH), aarch64)
     # Enable NEON for aarch64 Linux
     CFLAGS += -D__ARM_NEON
+endif
+
 endif
 
 # Source files