From 4c5f549c6ebe3910e81e67f52aecdf434460c6e0 Mon Sep 17 00:00:00 2001
From: Andrey Semashev <andrey.semashev@gmail.com>
Date: Tue, 18 Dec 2018 22:20:40 +0300
Subject: [PATCH] Use a separate submodule update step with parallel checkouts
 to speedup CI job startup.

---
 .travis.yml | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/.travis.yml b/.travis.yml
index 8fd8489..d50606f 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -254,10 +254,11 @@ install:
   - cd ..
   - git clone -b $BOOST_BRANCH --depth 1 https://github.com/boostorg/boost.git boost-root
   - cd boost-root
-  - git submodule update --init libs/headers
-  - git submodule update --init tools/build
-  - git submodule update --init tools/boostdep
-  - git submodule update --init tools/boost_install
+  - git submodule init libs/headers
+  - git submodule init tools/build
+  - git submodule init tools/boostdep
+  - git submodule init tools/boost_install
+  - git submodule update --jobs 4
   - cp -r $TRAVIS_BUILD_DIR/* libs/detail
   - python tools/boostdep/depinst/depinst.py detail
   - ./bootstrap.sh