Travis testing c++11 and gcc5

Modify testflags.py to control the -std= option passed to gcc
Install new boost for c++11 with gcc5 testing

.travis.yml

@@ -92,9 +92,10 @@ before_install:
   - uname -a
   - lsb_release -a
   - sudo apt-get -qq update
-  - time sudo apt-get -qq install libboost-dev
-  - if test -z "$SWIGLANG"; then sudo apt-get -qq install yodl; fi
   - if test -n "$GCC5"; then sudo add-apt-repository -y ppa:ubuntu-toolchain-r/test && sudo apt-get -qq update && sudo apt-get install -qq g++-5 && export CC=gcc-5 && export CXX=g++-5; fi
+  - if test -z "$GCC5"; then sudo apt-get -qq install libboost-dev; fi
+  - if test -n "$GCC5"; then sudo add-apt-repository -y ppa:boost-latest/ppa && sudo apt-get -qq update && sudo apt-get install -qq libboost1.55-dev; fi
+  - if test -z "$SWIGLANG"; then sudo apt-get -qq install yodl; fi
   - if test "$SWIGLANG" = "csharp"; then sudo apt-get -qq install mono-devel; fi
   - if test "$SWIGLANG" = "d"; then wget http://downloads.dlang.org/releases/2014/dmd_2.066.0-0_amd64.deb; sudo dpkg -i dmd_2.066.0-0_amd64.deb; fi
   - if test "$SWIGLANG" = "go"; then go env | sed -e 's/^/export /' > goenvsetup && source goenvsetup && rm -f goenvsetup; fi # Until configure.ac is fixed
@@ -119,8 +120,8 @@ before_install:
   - $CC --version
   - $CXX --version
   # Stricter compile flags for examples. Various headers and SWIG generated code prevents full use of -pedantic.
-  - export cflags=$(Tools/testflags.py --language $SWIGLANG --cflags) && echo $cflags
-  - export cxxflags=$(Tools/testflags.py --language $SWIGLANG --cxxflags) && echo $cxxflags
+  - if test -n "$SWIGLANG"; then export cflags=$(Tools/testflags.py --language $SWIGLANG --cflags --std=$CSTD) && echo $cflags; fi
+  - if test -n "$SWIGLANG"; then export cxxflags=$(Tools/testflags.py --language $SWIGLANG --cxxflags --std=$CPPSTD) && echo $cxxflags; fi
 script:
   - echo 'Configuring...' && echo -en 'travis_fold:start:script.1\\r'
   - echo "${CONFIGOPTS[@]}"

Tools/testflags.py

@@ -1,6 +1,10 @@
 #!/usr/bin/env python
-c_common = "-fdiagnostics-show-option -std=gnu89 -Wno-long-long -Wreturn-type -Wdeclaration-after-statement"
-cflags = {
+
+def get_cflags(language, std):
+    if std == None or len(std) == 0:
+        std = "gnu89"
+    c_common = "-fdiagnostics-show-option -std=" + std + " -Wno-long-long -Wreturn-type -Wdeclaration-after-statement"
+    cflags = {
         "csharp":"-Werror " + c_common,
              "d":"-Werror " + c_common,
             "go":"-Werror " + c_common,
@@ -15,10 +19,18 @@ cflags = {
           "ruby":"-Werror " + c_common,
         "scilab":"-Werror " + c_common,
            "tcl":"-Werror " + c_common,
-}
+    }
 
-cxx_common = "-fdiagnostics-show-option -std=c++98 -Wno-long-long -Wreturn-type"
-cxxflags = {
+    if language not in cflags:
+        raise RuntimeError("{} is not a supported language".format(language))
+
+    return cflags[language]
+
+def get_cxxflags(language, std):
+    if std == None or len(std) == 0:
+        std = "c++98"
+    cxx_common = "-fdiagnostics-show-option -std=" + std + " -Wno-long-long -Wreturn-type"
+    cxxflags = {
         "csharp":"-Werror " + cxx_common,
              "d":"-Werror " + cxx_common,
             "go":"-Werror " + cxx_common,
@@ -33,7 +45,12 @@ cxxflags = {
           "ruby":"-Werror " + cxx_common,
         "scilab":             cxx_common,
            "tcl":"-Werror " + cxx_common,
-}
+    }
+
+    if language not in cxxflags:
+        raise RuntimeError("{} is not a supported language".format(language))
+
+    return cxxflags[language]
 
 import argparse
 parser = argparse.ArgumentParser(description="Display CFLAGS or CXXFLAGS to use for testing the SWIG examples and test-suite.")
@@ -41,12 +58,13 @@ parser.add_argument('-l', '--language', required=True, help='set language to sho
 flags = parser.add_mutually_exclusive_group(required=True)
 flags.add_argument('-c', '--cflags', action='store_true', default=False, help='show CFLAGS')
 flags.add_argument('-x', '--cxxflags', action='store_true', default=False, help='show CXXFLAGS')
+parser.add_argument('-s', '--std', required=False, help='language standard flags for the -std= option')
 args = parser.parse_args()
 
 if args.cflags:
-    print("{}".format(cflags[args.language]))
+    print("{}".format(get_cflags(args.language, args.std)))
 elif args.cxxflags:
-    print("{}".format(cxxflags[args.language]))
+    print("{}".format(get_cxxflags(args.language, args.std)))
 else:
     parser.print_help()
     exit(1)