Noissue - Use clang++ and libc++ on Linux

https://codereview.adblockplus.org/29817566/

Author: hfiguiere

.travis.yml

@@ -7,14 +7,15 @@ os:
 dist: trusty
 sudo: false
 
+compiler: clang
+
 addons:
   apt:
     sources:
     - 'ubuntu-toolchain-r-test'
     packages:
     - binutils-gold
     - libcurl4-openssl-dev
-    - g++-7
     - p7zip-full
 
 python: '2.7'
@@ -32,7 +33,6 @@ env:
 before_script:
   - if [[ "$TRAVIS_OS_NAME" == "osx" ]]; then brew update; fi
   - if [[ "$TRAVIS_OS_NAME" == "osx" ]]; then brew install p7zip; fi
-  - if [[ "$TRAVIS_OS_NAME" == "linux" ]]; then export CXX=g++-7 CC=gcc-7; fi
   - make get-prebuilt-v8
   - ./ensure_dependencies.py
   - if [[ "${TARGET_OS}" == "android" && "$TRAVIS_OS_NAME" == "linux" ]]; then wget https://dl.google.com/android/repository/android-ndk-r16b-linux-x86_64.zip -O third_party/android-ndk.zip ; fi

Makefile

@@ -5,6 +5,7 @@ ifndef HOST_OS
   ifeq (${raw_OS},Linux)
     HOST_OS=linux
     TRAVIS_OS_NAME=linux
+    CXX=clang++
   else ifeq (${raw_OS},Darwin)
     HOST_OS=mac
     TRAVIS_OS_NAME=osx

README.md

@@ -30,10 +30,13 @@ Win32:
 * At least v141 Visual C++ toolset (available in Microsoft Visual Studio 2017).
 
 Linux:
-* g++ 7.3
+* clang 5.0
+We use libc++ instead of the libstdc++ that gcc uses, since by default v8 build
+with libc++.
 
 Mac:
-* Apple LLVM 9.1.0 for OS X/macOS (Xcode should be installed and its developer tools should be "selected").
+* Apple LLVM 9.0.0 for OS X/macOS (Xcode should be installed and its
+  developer tools should be "selected").
 
 Android:
 * The host system should be Linux or OS X

common.gypi

@@ -14,7 +14,7 @@
         # Adding -fpermissive to solve this.
         # See https://issues.adblockplus.org/ticket/4950
         # We might be able to do without after upgrading V8.
-        'cflags_cc': [ '-fno-rtti', '-std=c++14', '-fexceptions', '-fpermissive' ],
+        'cflags_cc': [ '-fno-rtti', '-std=c++14', '-fexceptions', '-fpermissive', '-stdlib=libc++' ],
         'cflags!': [ '-Werror', ],
         'ldflags': [ '-pthread', ],
       },