:~/nginx-0.7.60$ make clean && ./configure --without-http-cache && make
.....skipped....
src/http/ngx_http_upstream.c: In function ?ngx_http_upstream_hide_headers_hash?:
src/http/ngx_http_upstream.c:4089: error: ?ngx_http_upstream_conf_t?
has no member named ?cache?
src/http/ngx_http_upstream.c:4089: error: ?ngx_http_upstream_conf_t?
has no member named ?cache?
make[1]: *** [objs/src/http/ngx_http_upstream.o] Error 1
make[1]: Leaving directory `/home/insa/nginx-0.7.60'
make: *** [build] Error 2
Похоже что потерялся #if NGX_HTTP_CACHE.