Travis-ci: fix clang+libc++ build (#783)

It broke because the libc++ is being built as part of *this* build, with old gcc+libstdc++ (4.8?), but LLVM is preparing to switch to C++14, and gcc+libstdc++ <5 are soft-deprecated. Just the gcc update doesn't cut it, clang still uses old libstdc++.

Travis-ci: fix clang+libc++ build (#783)
5acb0f05 · Roman Lebedev · GitHub · f6e96861 · 5acb0f05
Unverified Commit 5acb0f05 authored Mar 17, 2019 by Roman Lebedev Committed by GitHub Mar 17, 2019
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.travis.yml .travis.yml +14 -0

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--- a/.travis.yml
+++ b/.travis.yml
@@ -42,54 +42,64 @@ matrix:
      env: COMPILER=clang++ C_COMPILER=clang BUILD_TYPE=Release
    # Clang w/ libc++
    - compiler: clang
+      dist: xenial
      addons:
        apt:
          packages:
            clang-3.8
      env:
+        - INSTALL_GCC6_FROM_PPA=1
        - COMPILER=clang++-3.8 C_COMPILER=clang-3.8 BUILD_TYPE=Debug
        - LIBCXX_BUILD=1
        - EXTRA_FLAGS="-stdlib=libc++"
    - compiler: clang
+      dist: xenial
      addons:
        apt:
          packages:
            clang-3.8
      env:
+        - INSTALL_GCC6_FROM_PPA=1
        - COMPILER=clang++-3.8 C_COMPILER=clang-3.8 BUILD_TYPE=Release
        - LIBCXX_BUILD=1
        - EXTRA_FLAGS="-stdlib=libc++"
    # Clang w/ 32bit libc++
    - compiler: clang
+      dist: xenial
      addons:
        apt:
          packages:
            - clang-3.8
            - g++-multilib
      env:
+        - INSTALL_GCC6_FROM_PPA=1
        - COMPILER=clang++-3.8 C_COMPILER=clang-3.8 BUILD_TYPE=Debug
        - LIBCXX_BUILD=1
        - BUILD_32_BITS=ON
        - EXTRA_FLAGS="-stdlib=libc++ -m32"
    # Clang w/ 32bit libc++
    - compiler: clang
+      dist: xenial
      addons:
        apt:
          packages:
            - clang-3.8
            - g++-multilib
      env:
+        - INSTALL_GCC6_FROM_PPA=1
        - COMPILER=clang++-3.8 C_COMPILER=clang-3.8 BUILD_TYPE=Release
        - LIBCXX_BUILD=1
        - BUILD_32_BITS=ON
        - EXTRA_FLAGS="-stdlib=libc++ -m32"
    # Clang w/ libc++, ASAN, UBSAN
    - compiler: clang
+      dist: xenial
      addons:
        apt:
          packages:
            clang-3.8
      env:
+        - INSTALL_GCC6_FROM_PPA=1
        - COMPILER=clang++-3.8 C_COMPILER=clang-3.8 BUILD_TYPE=Debug
        - LIBCXX_BUILD=1 LIBCXX_SANITIZER="Undefined;Address"
        - ENABLE_SANITIZER=1
@@ -97,22 +107,26 @@ matrix:
        - UBSAN_OPTIONS=print_stacktrace=1
    # Clang w/ libc++ and MSAN
    - compiler: clang
+      dist: xenial
      addons:
        apt:
          packages:
            clang-3.8
      env:
+        - INSTALL_GCC6_FROM_PPA=1
        - COMPILER=clang++-3.8 C_COMPILER=clang-3.8 BUILD_TYPE=Debug
        - LIBCXX_BUILD=1 LIBCXX_SANITIZER=MemoryWithOrigins
        - ENABLE_SANITIZER=1
        - EXTRA_FLAGS="-stdlib=libc++ -g -O2 -fno-omit-frame-pointer -fsanitize=memory -fsanitize-memory-track-origins"
    # Clang w/ libc++ and MSAN
    - compiler: clang
+      dist: xenial
      addons:
        apt:
          packages:
            clang-3.8
      env:
+        - INSTALL_GCC6_FROM_PPA=1
        - COMPILER=clang++-3.8 C_COMPILER=clang-3.8 BUILD_TYPE=RelWithDebInfo
        - LIBCXX_BUILD=1 LIBCXX_SANITIZER=Thread
        - ENABLE_SANITIZER=1