Thank you for the info. I haven't had good experiences with Boost in my Win64 attempts either...
Don, how feasible do you think Go or Rust are, to start using in place of C++? On Mon, Nov 4, 2019 at 1:08 AM Don Lewis <truck...@apache.org> wrote: > On 3 Nov, Don Lewis wrote: > > For much of our history, until fairly recently, the versions of gcc that > > we used defaulted to -std=gnu++98 when compiiling C++ code. > > > > When FreeBSD on i386 and amd64 switched from gcc to clang, it also > > defaulted to -std=gnu++98. Clang has been C++11 compliant from version > > 3.3 onwards. Around the time of the switch, I added the > > -DHAVE_STL_INCLUDE_PATH compiler flag so that clang would use it's own > > STL include files instead of the boost TR1 includes. Clang was > > perfectly happy using its own STL include files even though they were > > not part of C++98, only C++11. > > > > Later on, when clang 6 changed the default to gnu++14, the build > > generated tons warning and some number of errors. To work around this, > > I added the -std=gnu++98 compiler flag to force the old mode. > > > > FreeBSD on powerpc still uses gcc and it recently came to my attention > > that the build was broken there. The FreeBSD port of AOO to powerpc > > does not use -DHAVE_STL_INCLUDE_PATH, so it was falling back to the > > boost TR1 headers. The FreeBSD port uses the system boost, and recent > > versions of boost have dropped TR1 support. To work around that, I > > tried enabling -DHAVE_STL_INCLUDE_PATH to use the gcc C++ headers. This > > failed badly because the gcc STL headers check to see if the compilation > > mode is C++11 or better and immediately error out of this is not the > > case. Switching the compilation mode to c++11 results in the warning > > and error spew mentioned above. I tried modifying the stlport headers > > to include the gcc TR1 headers in gnu++98 mode. That worked better, but > > I still got some mysterious C++ errors that I was not able to figure > > out. My next attempt will be to try the boost non-TR1 headers. > > That was a dead end. Recent boost appears to assume that the STL headers > are provided by the system. I'll probably have to switch back to > bundled boost and use its TR1 headers. > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: dev-unsubscr...@openoffice.apache.org > For additional commands, e-mail: dev-h...@openoffice.apache.org > >
