rarian: use C++11 to unbreak the build

[barracuda156]

Description

Fix the build

Type(s)

• bugfix
• enhancement
• security fix

Tested on

macOS 10.6
Xcode 3.2

Verification

Have you

• followed our Commit Message Guidelines?
• squashed and minimized your commits?
• checked that there aren't other open pull requests for the same change?
• referenced existing tickets on Trac with full URL in commit message?
• checked your Portfile with port lint?
• tried existing tests with sudo port test?
• tried a full install with sudo port -vst install?
• tested basic functionality of all binary files?
• checked that the Portfile's most important variants haven't been broken?

[mohd-akram]

What's the error?

[barracuda156]

Fails to configure:

configure:17462: checking for tinyxml2
configure:17484: ccache /usr/bin/g++-4.2 -o conftest -pipe -Os -arch ppc -I/opt/local/include -L/opt/local/lib -Wl,-headerpad_max_install_names -arch ppc conftest.cpp  -ltinyxml2 >&5
In file included from conftest.cpp:28:
/opt/local/include/tinyxml2.h:365: error: expected ';' before 'override'
/opt/local/include/tinyxml2.h:368: error: expected `;' before 'int'
/opt/local/include/tinyxml2.h:372: error: expected ';' before 'override'
conftest.cpp:35: error: expected `;' at end of input
conftest.cpp:35: error: expected `}' at end of input
/opt/local/include/tinyxml2.h: In constructor 'tinyxml2::MemPoolT<ITEM_SIZE>::MemPoolT()':
/opt/local/include/tinyxml2.h:347: error: class 'tinyxml2::MemPoolT<ITEM_SIZE>' does not have any field named '_blockPtrs'
/opt/local/include/tinyxml2.h:347: error: class 'tinyxml2::MemPoolT<ITEM_SIZE>' does not have any field named '_root'
/opt/local/include/tinyxml2.h:347: error: class 'tinyxml2::MemPoolT<ITEM_SIZE>' does not have any field named '_currentAllocs'
/opt/local/include/tinyxml2.h:347: error: class 'tinyxml2::MemPoolT<ITEM_SIZE>' does not have any field named '_nAllocs'
/opt/local/include/tinyxml2.h:347: error: class 'tinyxml2::MemPoolT<ITEM_SIZE>' does not have any field named '_maxAllocs'
/opt/local/include/tinyxml2.h:347: error: class 'tinyxml2::MemPoolT<ITEM_SIZE>' does not have any field named '_nUntracked'
/opt/local/include/tinyxml2.h: In member function 'void tinyxml2::MemPoolT<ITEM_SIZE>::Clear()':
/opt/local/include/tinyxml2.h:354: error: '_blockPtrs' was not declared in this scope
/opt/local/include/tinyxml2.h:355: error: 'Block' was not declared in this scope
/opt/local/include/tinyxml2.h:355: error: 'lastBlock' was not declared in this scope
/opt/local/include/tinyxml2.h:358: error: '_root' was not declared in this scope
/opt/local/include/tinyxml2.h:359: error: '_currentAllocs' was not declared in this scope
/opt/local/include/tinyxml2.h:360: error: '_nAllocs' was not declared in this scope
/opt/local/include/tinyxml2.h:361: error: '_maxAllocs' was not declared in this scope
/opt/local/include/tinyxml2.h:362: error: '_nUntracked' was not declared in this scope
/opt/local/include/tinyxml2.h: In member function 'int tinyxml2::MemPoolT<ITEM_SIZE>::CurrentAllocs() const':
/opt/local/include/tinyxml2.h:369: error: '_currentAllocs' was not declared in this scope
/opt/local/include/tinyxml2.h: At global scope:
/opt/local/include/tinyxml2.h:370: error: expected unqualified-id at end of input
/opt/local/include/tinyxml2.h:370: error: expected `}' at end of input
configure:17484: $? = 1
configure: failed program was:
| /* confdefs.h */
| #define PACKAGE_NAME "rarian"
| #define PACKAGE_TARNAME "rarian"
| #define PACKAGE_VERSION "0.8.6"
| #define PACKAGE_STRING "rarian 0.8.6"
| #define PACKAGE_BUGREPORT ""
| #define PACKAGE_URL ""
| #define PACKAGE "rarian"
| #define VERSION "0.8.6"
| #define HAVE_STDIO_H 1
| #define HAVE_STDLIB_H 1
| #define HAVE_STRING_H 1
| #define HAVE_INTTYPES_H 1
| #define HAVE_STDINT_H 1
| #define HAVE_STRINGS_H 1
| #define HAVE_SYS_STAT_H 1
| #define HAVE_SYS_TYPES_H 1
| #define HAVE_UNISTD_H 1
| #define STDC_HEADERS 1
| #define HAVE_DLFCN_H 1
| #define LT_OBJDIR ".libs/"
| #define ENABLE_INSTALL 1
| #define ENABLE_SK_COMPAT 1
| #define ENABLE_OMF_READ 1
| #define ENABLE_SKDB_UPDATE 1
| #define HAVE_CHECK 0
| /* end confdefs.h.  */
| #include <tinyxml2.h>
| int
| main (void)
| {
| tinyxml2::XMLDocument doc
|   ;
|   return 0;
| }
| 
configure:17493: error: in `/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_textproc_rarian/rarian/work/rarian-0.8.6':
configure:17495: error: no