Hello,
in the PLplot project I have run into a few problems with the MSYS
environment under Windows XP. The first one is that the CMake variable
MSYS does not get set properly - or else I am doing something wrong.
Here is what I do to work under MSYS:
- Start the rxvt console (via a shortcut created during the installation
of MSYS)
- I start CMake (version 2.6.2, IIRC) with:
cmake -G "Unix makefiles" .
- My CMakeLists.txt file is this:
# Check for MSYS
#
project(check)
message("MSYS: >${MSYS}<")
message("Mingw: >${MINGW}<")
- The output is this:
-- The C compiler identification is GNU
-- The CXX compiler identification is GNU
-- Check for working C compiler: C:/msys/1.0/mingw/bin/gcc.exe
-- Check for working C compiler: C:/msys/1.0/mingw/bin/gcc.exe -- works
-- Detecting C compiler ABI info
-- Detecting C compiler ABI info - done
-- Check for working CXX compiler: C:/msys/1.0/mingw/bin/c++.exe
-- Check for working CXX compiler: C:/msys/1.0/mingw/bin/c++.exe -- works
-- Detecting CXX compiler ABI info
-- Detecting CXX compiler ABI info - done
MSYS: ><
Mingw: >1<
-- Configuring done
-- Generating done
-- Build files have been written to: C:/arjen/plplot-svn/test-mingw
As you can see, the MSYS variable does not get set.
I have found a workaround: if the environment variable OSTYPE has the
value "msys", then set MSYS explicitly to 1. But I do not know how
universal that workaround is.
The other problem (the one that triggered this investigation in the
first place) is that the find_library command does not find the
import libraries for gdi32.dll and comdlg32.dll specific to gcc under
MSYS, despite the hint given, but the MSVC import libraries instead.
(These are unuseable though with gcc)
I can workaround that problem as well, but again: I can not be sure
this will work on any other system but mine.
What is a better solution for this?
Regards,
Arjen
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