From 9fdae371f7a15f6345705ee9fba84be06d6b9ae8 Mon Sep 17 00:00:00 2001
From: Julian Waller <git@julusian.co.uk>
Date: Wed, 17 Jul 2019 18:43:58 +0100
Subject: [PATCH] hack: nosse42

---
 HACK.md                      | 10 ++++++++++
 images/nginx/rootfs/build.sh |  3 ++-
 2 files changed, 12 insertions(+), 1 deletion(-)
 create mode 100644 HACK.md

diff --git a/HACK.md b/HACK.md
new file mode 100644
index 0000000000..c07b960d1d
--- /dev/null
+++ b/HACK.md
@@ -0,0 +1,10 @@
+1. `cd images/nginx`
+1. Modify the `CC_OPTS` for the x86_64 arch to `CC_OPT+=' -m64 -mtune=core2'`
+1. Add `--with-luajit-xcflags='-mno-sse4.2' \` to the `WITH_FLAGS` variable
+1. `REGISTRY=julusian/nginx-ingress TAG=base-amd64 make container`
+1. `docker tag  julusian/nginx-ingress/nginx:base-amd64  julusian/nginx-ingress:base-amd64`
+1. `docker push julusian/nginx-ingress:base-amd64`
+1. `cd ../..`
+1. `BASEIMAGE=julusian/nginx-ingress:base-amd64 ARCH=amd64 TAG=v0.25.0-nosse42 REGISTRY=julusian/nginx-ingress make build container`
+1. `docker tag julusian/nginx-ingress/nginx-ingress-controller-amd64:v0.25.0-nosse42 julusian/nginx-ingress:v0.25.0-nosse42`
+1. `docker push julusian/nginx-ingress:v0.25.0-nosse42`
diff --git a/images/nginx/rootfs/build.sh b/images/nginx/rootfs/build.sh
index cbda0c18fa..06f8958c58 100755
--- a/images/nginx/rootfs/build.sh
+++ b/images/nginx/rootfs/build.sh
@@ -397,6 +397,7 @@ WITH_FLAGS="--with-debug \
   --with-http_gunzip_module \
   --with-md5-asm \
   --with-sha1-asm \
+  --with-luajit-xcflags='-mno-sse4.2' \
   -j${CORES} "
 
 # "Combining -flto with -g is currently experimental and expected to produce unexpected results."
@@ -424,7 +425,7 @@ if [[ ${ARCH} != "aarch64" ]]; then
 fi
 
 if [[ ${ARCH} == "x86_64" ]]; then
-  CC_OPT+=' -m64 -mtune=native'
+  CC_OPT+=' -m64 -mtune=core2'
 fi
 
 WITH_MODULES="--add-module=$BUILD_PATH/nginx-http-auth-digest-$NGINX_DIGEST_AUTH \