Re: [Boost-bugs] [Boost C++ Libraries] #6790: program_options regression in 1.49.0?

Subject: Re: [Boost-bugs] [Boost C++ Libraries] #6790: program_options regression in 1.49.0?
From: Boost C++ Libraries (noreply_at_[hidden])
Date: 2012-05-05 07:04:08

#6790: program_options regression in 1.49.0?
---------------------------------------------------------+------------------
  Reporter:  Konstantin Nikiforov <helllamer@…>          |       Owner:  vladimir_prus  
      Type:  Bugs                                        |      Status:  new            
 Milestone:  To Be Determined                            |   Component:  program_options
   Version:  Boost 1.49.0                                |    Severity:  Regression     
Resolution:                                              |    Keywords:                 
---------------------------------------------------------+------------------

Comment (by Konstantin Nikiforov <helllamer@…>):

 Hmm, looks like, error can be fixed using -fpermissive in gcc-4.7.

 {{{
 g++ -c -pthread -Wextra -Wno-sign-compare -Wno-char-subscripts -Wno-
 invalid-offsetof -Wformat -Wformat-security -DNOPCH
 -I/home/shahid/shares/install/linux/pkgbuild/bitcoin/src/bitcoin-0.6.0-linux/src/src
 -DUSE_UPNP=1 -DUSE_SSL -fno-stack-protector -fstack-protector-all -Wstack-
 protector -Wl,-z,relro -Wl,-z,now -D_FORTIFY_SOURCE=2 -march=native -O3
 -pipe -fstack-protector --param=ssp-buffer-size=4 -D_FORTIFY_SOURCE=2
 -ftree-vectorize -fpermissive -MMD -o obj/util.o util.cpp
 In file included from
 /usr/include/boost/program_options/detail/parsers.hpp:9:0,
                  from /usr/include/boost/program_options/parsers.hpp:265,
                  from util.cpp:9:
 /usr/include/boost/program_options/detail/config_file.hpp: In
 instantiation of «bool
 boost::program_options::detail::basic_config_file_iterator<charT>::getline(std::string&)
 [with charT = char; std::string = std::basic_string<char>]»:
 util.cpp:1251:1:   required from here
 /usr/include/boost/program_options/detail/convert.hpp:75:34: замечание:
 «template<class T> std::vector<std::basic_string<char> >
 boost::program_options::to_internal(const std::vector<T>&)» declared here,
 later in the translation unit
 util.cpp: В функции «void ShrinkDebugFile()»:
 util.cpp:963:41: предупреждение: ignoring return value of «size_t
 fwrite(const void*, size_t, size_t, FILE*)», declared with attribute
 warn_unused_result [-Wunused-result]
 }}}

 -fpermissive + gcc-4.7 = no error, only warnings.

-- 
Ticket URL: <https://svn.boost.org/trac/boost/ticket/6790#comment:3>
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