build: require clang >= 4.0, Xcode >= 9.0
Also, recommend using gcc 7.4.0 or later, and silence
an ABI-related diagnostic message from gcc on armv7
Refs: #5087, #5106
Change-Id: I4d9841bea9df19cbb9ba3b0865949b1d66e6ec3e
diff --git a/.travis.yml b/.travis.yml
index 569f3f4..ab3e066 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -18,7 +18,10 @@
jobs:
include:
# Linux
+ - env: COMPILER=g++-5
+ - env: COMPILER=g++-6
- env: COMPILER=g++-8
+ - env: COMPILER=clang++-4.0
- env: COMPILER=clang++-5.0
- env: COMPILER=clang++-7
- env: COMPILER=clang++-8
@@ -38,8 +41,14 @@
- os: osx
osx_image: xcode11.3
env: # default compiler
+ - os: osx
+ osx_image: xcode11.4
+ env: # default compiler
allow_failures:
+ - env: COMPILER=g++-5
+ - env: COMPILER=g++-6
+ - env: COMPILER=clang++-4.0
- env: COMPILER=clang++-11
fast_finish: true