Merge #14042: travis: add CXXFLAGS=-Wno-psabi at ARM job

4c530e0 travis: add  CXXFLAGS=-Wnopsabi at ARM job (Chun Kuan Lee)

Pull request description:

  Disable annoying ABI warnings

Tree-SHA512: 2f98c67c2a1a67f7e05c81ce82783b44083876709209f569d0b1162355b9bb0bd354769c36289bea7f707b002b42d71274f7d9f3c18401b67b404eb7b76c6eea

Author: MarcoFalke

.travis.yml

@@ -62,7 +62,9 @@ jobs:
         RUN_UNIT_TESTS=false
         RUN_FUNCTIONAL_TESTS=false
         GOAL="install"
-        BITCOIN_CONFIG="--enable-glibc-back-compat --enable-reduce-exports"
+        # -Wno-psabi is to disable ABI warnings: "note: parameter passing for argument of type ... changed in GCC 7.1"
+        # This could be removed once the ABI change warning does not show up by default
+        BITCOIN_CONFIG="--enable-glibc-back-compat --enable-reduce-exports CXXFLAGS=-Wno-psabi"
 # Win32
     - stage: test
       env: >-