id	summary	reporter	owner	description	type	status	milestone	component	version	severity	resolution	keywords	cc
9879	compiler_status fails to compile in C++98 mode	Arfrever.FTA@…	René Rivera	"compiler_status fails to compile in C++98 mode (which is default in GCC). 
This problem is a regression introduced in Boost 1.55.0. This problem is absent in older versions of Boost (e.g. 1.54.0).
I use GCC 4.8.2.

{{{
gcc.compile.c++ regression/build/bin/gcc-4.8/gentoorelease/boost.locale.icu-off/link-static/pch-off/threading-multi/compiler_status.o

    ""x86_64-pc-linux-gnu-g++""  -ftemplate-depth-128 -march=core2 -O2 -fno-ident -frecord-gcc-switches -pipe -Wall -finline-functions -Wno-inline -Wall -pthread  -DBOOST_ALL_NO_LIB=1 -DBOOST_FILESYSTEM_STATIC_LINK=1 -DBOOST_SYSTEM_STATIC_LINK=1 -DNDEBUG  -I"".."" -c -o ""regression/build/bin/gcc-4.8/gentoorelease/boost.locale.icu-off/link-static/pch-off/threading-multi/compiler_status.o"" ""regression/src/compiler_status.cpp""

regression/src/compiler_status.cpp: In function ‘std::string {anonymous}::revision(const boost::filesystem::path&)’:
regression/src/compiler_status.cpp:131:15: warning: ‘auto’ changes meaning in C++11; please remove it [-Wc++0x-compat]
           for(auto itr = ln.begin()+10; itr != ln.end() && isdigit(*itr); ++itr)
               ^
regression/src/compiler_status.cpp:131:20: error: ‘itr’ does not name a type
           for(auto itr = ln.begin()+10; itr != ln.end() && isdigit(*itr); ++itr)
                    ^
regression/src/compiler_status.cpp:131:41: error: expected ‘;’ before ‘itr’
           for(auto itr = ln.begin()+10; itr != ln.end() && isdigit(*itr); ++itr)
                                         ^
regression/src/compiler_status.cpp:131:41: error: ‘itr’ was not declared in this scope
regression/src/compiler_status.cpp: In function ‘int cpp_main(int, char**)’:
regression/src/compiler_status.cpp:1017:6: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses]
   if (jamfile_path.empty())
      ^
In file included from ../boost/filesystem/path_traits.hpp:23:0,
                 from ../boost/filesystem/path.hpp:25,
                 from ../boost/filesystem/operations.hpp:25,
                 from regression/src/compiler_status.cpp:29:
../boost/system/error_code.hpp: At global scope:
../boost/system/error_code.hpp:222:36: warning: ‘boost::system::posix_category’ defined but not used [-Wunused-variable]
     static const error_category &  posix_category = generic_category();
                                    ^
../boost/system/error_code.hpp:223:36: warning: ‘boost::system::errno_ecat’ defined but not used [-Wunused-variable]
     static const error_category &  errno_ecat     = generic_category();
                                    ^
../boost/system/error_code.hpp:224:36: warning: ‘boost::system::native_ecat’ defined but not used [-Wunused-variable]
     static const error_category &  native_ecat    = system_category();
                                    ^
...skipped <pregression/build/bin/gcc-4.8/gentoorelease/boost.locale.icu-off/link-static/pch-off/threading-multi>compiler_status for lack of <pregression/build/bin/gcc-4.8/gentoorelease/boost.locale.icu-off/link-static/pch-off/threading-multi>compiler_status.o...
...failed updating 1 target...
}}}"	Bugs	closed	Boost 1.56.0	Regression Testing USE GITHUB	Boost 1.55.0	Regression	fixed		Arfrever.FTA@…