Thanks for all the feedback.
I cannot go into the details, but the deployment target is a production
machine for which I have no installation privileges, and where
"stability is king", so asking for updates is out of the question. I am
offered an Eclispe environment and have to work on it, hence my idea of
importing the cmake-built library (static or dynamic, whichever works
better) into the Eclipse projet and include it.
I was also doubting about libstdc++ versions, is there maybe a way of
asking Cmake to statistically include it in the built library?
Regards,
Michele
Le 27/01/2017 à 19:08, Hendrik Sattler a écrit :
If the target platform has an adapted gcc that does not match upstream gcc, or
may not be possible to just compile a newer version. Or it is a discontinued
arch.
Am 27. Januar 2017 19:05:09 MEZ schrieb "Elizabeth A. Fischer"
<elizabeth.fisc...@columbia.edu>:
C++ code is not compatible between different compilers. You cannot
link
C++ code built with GCC 4.9.3 with GCC 4.2.1. Maybe if you hack around
and
find the GNU C++ libraries from your GCC 4.9.3 installation... just
maybe,
with enough hacking, it will work. But in general, this is a rabbit
hole
that will offer you very little in the end.
The standard way to build on systems that don't have the compilers you
need
is... to get the compilers you need. My point was that getting these
compilers is actually not very hard. In the end, that will almost
certainly be the easiest solution to your problem.
On Fri, Jan 27, 2017 at 12:58 PM, Hendrik Sattler
<p...@hendrik-sattler.de>
wrote:
Your answer is totally unrelated to the question.
Am 27. Januar 2017 18:23:39 MEZ schrieb "Elizabeth A. Fischer" <
elizabeth.fisc...@columbia.edu>:
Get spack, then use it to build GCC 4.9.3 takes a couple hours of
wall
time, five minutes of your time.
Github.com/llnl/spack
On Jan 27, 2017 12:04 PM, "Michele Portolan" <
michele.porto...@grenoble-inp.fr> wrote:
I have a project that build correctly using gcc 4.9.3, generating
a
dynamic library that I can later link to obtain my executables.
So,
nothing
special.
My problem is that on one of my target systems, I only have a gcc
4.1.2
and I am forced to use it for at least linking the last
executable.
My
project uses extensively C++14,so I cannot build it with the older
gcc.
Is there a way to have Cmake generate a library that is compatible
with
gcc 4.1.2?
Regards,
Michele
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