diff --git a/.gitignore b/.gitignore
index 9a8c88e..2fe683d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -13,7 +13,7 @@ __pycache__
 scramble
 cdi4dc
 tools/ttf_outline
-k_means/k_means_vq
+k_means_vq
 *.blend1
 *.scramble
 *.FCStd1
\ No newline at end of file
diff --git a/gen/k_means/Makefile b/gen/k_means/Makefile
new file mode 100644
index 0000000..fb4fd55
--- /dev/null
+++ b/gen/k_means/Makefile
@@ -0,0 +1,9 @@
+CFLAGS += -O3
+CFLAGS += -std=c++23
+CFLAGS += -Wl,-z,stack-size=314572800
+CFLAGS += -Wall -Wno-deprecated -Werror -Wfatal-errors
+CFLAGS += -g -gdwarf-4
+CFLAGS += -I../..
+
+k_means_vq: k_means_vq.cpp ppm.c
+	g++ $(CFLAGS) $^ -o $@
diff --git a/gen/k_means/k_means_vq.cpp b/gen/k_means/k_means_vq.cpp
index fc73ede..499e88d 100644
--- a/gen/k_means/k_means_vq.cpp
+++ b/gen/k_means/k_means_vq.cpp
@@ -7,6 +7,7 @@
 #include <cinttypes>
 #include <cerrno>
 #include <bit>
+#include <sys/resource.h>
 
 #include "k_means_cluster.cpp"
 #include "ppm.h"
@@ -144,6 +145,22 @@ uint64_t color_convert(double vector[12])
 
 int main(int argc, char * argv[])
 {
+  // set 300MB stack size limit
+  const rlim_t stack_size = 300 * 1024 * 1024;
+  struct rlimit rl;
+  int res;
+  res = getrlimit(RLIMIT_STACK, &rl);
+  if (res < 0) {
+    perror("getrlimit RLIMIT_STACK");
+    return -1;
+  }
+  rl.rlim_cur = stack_size;
+  res = setrlimit(RLIMIT_STACK, &rl);
+  if (res < 0) {
+    perror("setrlimit RLIMIT_STACK");
+    return -1;
+  }
+
   if (argc < 3) {
     printf("argc < 3\n");
     return -1;