use flake
unset TMPDIR
export NGINX_SOURCE_DIR=$PWD/ngx_src/nginx-1.28.0/
export NGINX_BUILD_DIR=$PWD/ngx_src/nginx-1.28.0/objs/
export ZLIB_VERSION=1.3.1
export NGX_VERSION=1.28.0
export CFLAGS='-Wno-unterminated-string-initialization'