Update Travis matrix:

* New clang compiler target
* Sconstruct changes for clang
* Patches to support clang

.travis.yml

@@ -1,5 +1,6 @@
 language: cpp
 compiler:
+  - clang
   - gcc
 before_install:
   - sudo apt-get update -qq
@@ -7,14 +8,43 @@ before_install:
   - sudo add-apt-repository -y ppa:ubuntu-toolchain-r/test
   - sudo add-apt-repository -y ppa:boost-latest/ppa
   - sudo apt-get update -qq
-  - sudo apt-get install -qq libboost1.55-all-dev protobuf-compiler libprotobuf-dev libssl-dev exuberant-ctags
-  - sudo apt-get install -qq gcc-4.8
   - sudo apt-get install -qq g++-4.8
+  - sudo apt-get install -qq libboost1.55-all-dev 
+  # We want debug symbols for boost as we install gdb later
+  - sudo apt-get install -qq libboost1.55-dbg
+  - sudo apt-get install -qq mlocate
+  - sudo updatedb
+  - sudo locate libboost | grep /lib | grep -e ".a$"
+  - sudo apt-get install -qq protobuf-compiler libprotobuf-dev libssl-dev exuberant-ctags
+  # We need gcc >= 4.8 for some c++11 features
+  - sudo apt-get install -qq gcc-4.8
   - sudo update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-4.8 40 --slave /usr/bin/g++ g++ /usr/bin/g++-4.8
   - sudo update-alternatives --set gcc /usr/bin/gcc-4.8
+  # Stuff is gold. Nuff said ;)
+  - sudo apt-get -y install binutils-gold
+  # We can get a backtrace if the guy crashes
+  - sudo apt-get -y install gdb
+  # What versions are we ACTUALLY running?
   - g++ -v
+  - clang -v
 
-script: scons && ./build/rippled --unittest && npm install && npm test
+script:
+  # Set so any failing command will abort the build
+  - set -e
+  # If only we could do -j12 ;)
+  - scons 
+  # See what we've actually built
+  - ldd ./build/rippled
+  # Run unittests (under gdb)
+  - | # create gdb script
+    echo "set env MALLOC_CHECK_=3" > script.gdb 
+    echo "run" >> script.gdb
+    echo "backtrace full" >> script.gdb 
+    # gdb --help
+  - cat script.gdb | gdb --return-child-result --args ./build/rippled --unittest 
+  # Run integration tests
+  - npm install
+  - npm test
 notifications:
   email:
     false

SConstruct

@@ -17,7 +17,7 @@ Ubuntu  = bool(Linux and 'Ubuntu' == platform.linux_distribution()[0])
 Debian  = bool(Linux and 'debian' == platform.linux_distribution()[0])
 Archlinux  = bool(Linux and ('','','') == platform.linux_distribution()) #Arch still has issues with the platform module
 
-USING_CLANG = OSX
+USING_CLANG = OSX or os.environ.get('CC', None) == 'clang'
 
 #
 # We expect this to be set
@@ -51,9 +51,15 @@ if FreeBSD:
     env.Append(CCFLAGS = ['-Wl,-rpath=/usr/local/lib/gcc46'])
     env.Append(LINKFLAGS = ['-Wl,-rpath=/usr/local/lib/gcc46'])
 
-if OSX:
+if USING_CLANG:
     env.Replace(CC= 'clang')
     env.Replace(CXX= 'clang++')
+
+    if Linux:
+        env.Append(CXXFLAGS = ['-std=c++11', '-stdlib=libstdc++'])
+        env.Append(LINKFLAGS='-stdlib=libstdc++')
+
+    if OSX:
         env.Append(CXXFLAGS = ['-std=c++11', '-stdlib=libc++'])
         env.Append(LINKFLAGS='-stdlib=libc++')
         env['FRAMEWORKS'] = ['AppKit','Foundation']
@@ -105,12 +111,23 @@ BOOST_LIBS = [
 # We whitelist platforms where the non -mt version is linked with pthreads. This
 # can be verified with: ldd libboost_filesystem.* If a threading library is
 # included the platform can be whitelisted.
-if FreeBSD or Ubuntu or Archlinux:
-# if FreeBSD or Ubuntu or Archlinux or OSX:    
+# if FreeBSD or Ubuntu or Archlinux:
+
+if not (USING_CLANG and Linux) and (FreeBSD or Ubuntu or Archlinux or OSX):
     # non-mt libs do link with pthreads.
     env.Append(
         LIBS = BOOST_LIBS
     )
+elif Linux and USING_CLANG and Ubuntu:
+    # It's likely going to be here if using boost 1.55 
+    boost_statics = [ ("/usr/lib/x86_64-linux-gnu/lib%s.a" % a) for a in 
+                      BOOST_LIBS ]
+
+    if not all(os.path.exists(f) for f in boost_statics):
+        # Else here
+        boost_statics = [("/usr/lib/lib%s.a" % a) for a in BOOST_LIBS]
+    
+    env.Append(LIBS = [File(f) for f in boost_statics])
 else:
     env.Append(
         LIBS = [l + '-mt' for l in BOOST_LIBS]
@@ -246,14 +263,23 @@ if BOOST_HOME is not None:
 
 if not OSX:
     env.Append(LINKFLAGS = [
-        '-rdynamic', '-pthread', 
+        '-rdynamic',
+        '-pthread',
         ])
 
 DEBUGFLAGS  = ['-g', '-DDEBUG', '-D_DEBUG']
 
 env.Append(CCFLAGS = ['-pthread', '-Wall', '-Wno-sign-compare', '-Wno-char-subscripts']+DEBUGFLAGS)
-env.Append(CXXFLAGS = ['-O1', '-pthread', '-Wno-unused-local-typedefs', '-Wno-invalid-offsetof', '-Wformat']+DEBUGFLAGS)
+if not USING_CLANG:
+     more_warnings = ['-Wno-unused-local-typedefs']
+else:
+     # This disables the "You said it was a struct AND a class, wth is going on
+     # warnings"
+     more_warnings = ['-Wno-mismatched-tags']
+     # This needs to be a CCFLAGS not a CXXFLAGS
+     env.Append(CCFLAGS = more_warnings)
 
+env.Append(CXXFLAGS = ['-O1','-pthread', '-Wno-invalid-offsetof', '-Wformat']+more_warnings+DEBUGFLAGS)
 
 # RTTI is required for Beast and CountedObject.
 #

src/ripple_net/basics/impl/MultiSocketType.h

@@ -106,7 +106,7 @@ protected:
                         m_proxyInfo.destAddress.value [0],
                         m_proxyInfo.destAddress.value [1],
                         m_proxyInfo.destAddress.value [2],
-                        m_proxyInfo.destAddress.value [4])
+                        m_proxyInfo.destAddress.value [3])
                     , m_proxyInfo.destPort);
             }