From 2126673bc5b0b84df4ca30dba471092ca9b79a44 Mon Sep 17 00:00:00 2001
From: Peter Wu <peter@lekensteyn.nl>
Date: Sat, 30 Nov 2019 18:42:20 +0000
Subject: travis: do not use OVERRIDE_CC or OVERRIDE_CXX if empty

Fixes the macOS builds where OVERRIDE_CC and OVERRIDE_CXX are not set.

Reported-by: Jay Satiro
Closes #4661
---
 .travis.yml | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/.travis.yml b/.travis.yml
index c157f7c87..17e8283b5 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -439,8 +439,8 @@ matrix:
                       - zlib1g-dev
 
 before_install:
-    - export "${OVERRIDE_CC}"
-    - export "${OVERRIDE_CXX}"
+  - [ -z "$OVERRIDE_CC" ] || export "${OVERRIDE_CC}"
+  - [ -z "$OVERRIDE_CXX" ] || export "${OVERRIDE_CXX}"
 
 install:
   - if [ "$T" = "coverage" ]; then pip2 install --user cpp-coveralls; fi
-- 
cgit v1.2.1