Hello everybody,
Let me say from the get-going: this is the worst question I could ask on
this list because I'm pretty sure I don't provide enough information for
a solution and the problem is likely not with CMake, but I can't think
of anything else currently, so I'll give it a go anyway, hoping that
someone recognizes the symptoms.
In my lists-files I write currently at the very top:
if (NOT CMAKE_CXX_COMPILER)
set(CMAKE_CXX_COMPILER g++-4.6)
endif(NOT CMAKE_CXX_COMPILER)
It seems a bit contrived, but I use a lot of c++0x-stuff, the compiler
on the system is still at version 4.4 and so I have to rely on a local
installation of the more recent compiler. The if()-construct is there to
allow setting the variable through the environment or on the cmdline.
This worked fine for me, until this morning. I seemed to have changed
something that causes CMake to miss this. But AFAICS I didn't change
anything to the CMake-installation or to the lists-file(s) or to any
part of my system for that matter. Well.... obviously I'm overlooking
something. I put a message() before this construct and the output of
that command appears right after all the standard messages regarding
compilers (but used to appear before it - I know that for sure, because
when I started to learn CMake I put a similar message there to test the
construct I created):
-- The C compiler identification is GNU
-- The CXX compiler identification is GNU
-- Check for working C compiler: /usr/bin/gcc
-- Check for working C compiler: /usr/bin/gcc -- works
-- Detecting C compiler ABI info
-- Detecting C compiler ABI info - done
-- Check for working CXX compiler: /usr/bin/c++
-- Check for working CXX compiler: /usr/bin/c++ -- works
-- Detecting CXX compiler ABI info
-- Detecting CXX compiler ABI info - done
-- Compiler = /usr/bin/c++ # <- result of message(STATUS "Compiler =
${CMAKE_CXX_COMPILER}") in front of the if()-construct
...
Again: I'm well aware that I don't nearly provide enough info about
this. And odds are almost certain that no one can 'guess' what I'm
overlooking here. My hope is just that by chance someone came across a
similar situation and did manage to figure out what is going on.
Hopefully that was the same mistake I'm making....
Yours sincerely,
Jakob van Bethlehem
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