What are you *actually* trying to do (end goal)? If what you actually need is "boost and c++11", your best bet is -current and clang. GCC is a dead end on OpenBSD for anything C++ that uses C++ libraries from X or packages.
On 2017-08-01, Denis <den...@mindall.org> wrote: > Ok, but how to point cmake-3.5.2 to build the needed "source" which > using Boost 1.53 or higher libraries ver.? > > Boost 1.59.0 itself was downloaded from boost web site and builded from > sources using gcc 4.9 already. Some patches have been installed. > > I have tried to point cmake-3.5.2 to Boost-1.59.0 (builded from source > by gcc 4.9) by using some documented hints > cmake -DBoost_NO_SYSTEM_PATHS=ON -DBOOST_ROOT=/boost-gcc49/output > -DBOOST_INCLUDEDIR=/boost-gcc49/output/include - > DBOOST_LIBRARYDIR=/boost-gcc49/output/lib > -DCMAKE_INSTALL_PREFIX=/build/src-output > > But Cmake wan't see the prebuilded Boost 1.59.0 libraries, but clearly > sees the paths to Boost ROOT dir, include, and lib dirs. > > So I tried to build Boost 1.58 which is a part of ports of OpenBSD 6.0 > amd64 by newer compiler gcc 4.9 which is required for the sources build... > > What can I do to have Boost 1.58 or Boost 1.59 builded by gcc 4.9 and > working with cmake-3.5.2 ? > > Thanks for answer in advance. > > On 31.07.2017 21:34, Marc Espie wrote: >> On Mon, Jul 31, 2017 at 05:47:59PM +0300, Denis wrote: >>> I'm trying to change default compiler to build some ports. >>> Tried to do it using bsd.port.mk and by system variables CXX=eg++ >>> CPP=egcc, but nothing changes while building a port. >>> >>> How can I force the default gcc 4.2 to egcc (gcc 4.9)? >>> >>> Thanks >> You can't. >> >> Things generally won't work. >> >> Current uses clang on i386 and amd64. >> >> And that's wildly incompatible with gcc 4.2 or 4.9... >> > >
