From 34ef78155e2d9b6fa93d689482246d9feab1e5e6 Mon Sep 17 00:00:00 2001
From: Faraz Fallahi <fffaraz@gmail.com>
Date: Fri, 3 Aug 2018 17:40:12 -0500
Subject: [PATCH] Update Dockerfile

---
 windows/Dockerfile | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/windows/Dockerfile b/windows/Dockerfile
index 443199b..b8cbee6 100644
--- a/windows/Dockerfile
+++ b/windows/Dockerfile
@@ -1,4 +1,4 @@
-FROM ubuntu:latest
+FROM ubuntu:18.04
 MAINTAINER Faraz Fallahi <fffaraz@gmail.com>
 RUN \
 apt -y update && \
@@ -16,7 +16,7 @@ apt -y clean && \
 cd /opt && \
 git clone https://github.com/mxe/mxe.git && \
 cd mxe && \
-NPROC=$(($(grep -c ^processor /proc/cpuinfo 2>/dev/null || 1)+4)) && \
+NPROC=$(($(nproc)+4)) && \
 make --jobs=$NPROC JOBS=$NPROC MXE_TARGETS='i686-w64-mingw32.static' qtbase qtmultimedia && \
 ln -s /opt/mxe/usr/bin/i686-w64-mingw32.static-qmake-qt5 /usr/bin/qmake && \
 qmake --version && \