Hi, I'm trying a 64-bit build of plplot-5.9.6 on Vista64 using the mingw64 compiler.
In winuser.h, the symbols GWL_USERDATA and GCL_HCURSOR are undef'd if _WIN64 is defined - and replaced by GWLP_USERDATA and GCLP_HCURSOR respectively. I've therefore inserted the following code into drivers/wingcc.c (a few lines down from the top, immediately after the inclusion of <windows.h>). #ifdef _WIN64 #define GWL_USERDATA GWLP_USERDATA #define GCL_HCURSOR GCLP_HCURSOR #endif That seems to work fine, but there are other problems. As with the 32-bit build, I'm building static libs. Running mingw32-make, all goes ok until: [snip] [100%] Building C object utils/CMakeFiles/pltek.dir/pltek.c.obj Linking C executable pltek.exe C:\Windows\SysWOW64\gdi32.dll: file not recognized: File format not recognized collect2: ld returned 1 exit status mingw32-make[2]: *** [utils/pltek.exe] Error 1 mingw32-make[1]: *** [utils/CMakeFiles/pltek.dir/all] Error 2 mingw32-make: *** [all] Error 2 It *should* be trying to link to the compiler library C:\_64\mingw64\mingw\lib\libgdi32.a instead of the system dll. (At least that's what happens when I build the same source in the same way with the 32-bit mingw compiler.) I have an idea of what the problem might be. With 32-bit mingw, the compiler's standard libraries (relative to the bin folder) are located in ../lib. But with the 64-bit mingw compiler the relationship is ../mingw/lib. I'm wondering if there's something hardcoded in the plplot sources that assumes the former ... and that the attempt to link to the system dll's might be a fallback when the compiler libs aren't found. There is a ../lib folder already existent. It's empty, except for a folder named 'gcc'. If I copy libgdi32.a and libcomdlg32.a to that lib folder, then the build succeeds - so I'm thinking that my appraisal of the situation has some merit. I just need to learn how to fix it correctly. Also, is there any way to tell the build process that the c and c++ compiler executables are not called simply gcc.exe and g++.exe ? With the x64 mingw compiler that I'm using (actually a cross-compiler), the names of those executables (along with ar, strip, ranlib, dlltool, etc.) are all prefixed with 'x86_64-w64-mingw32-'. I've worked around the problem by cheating and creating copies of the gcc, g++ and ar executables, with the prefix removed - but it would be preferable if that could be avoided. Anyway, with all that done, plplot-5.9.6 builds fine - the c and c++ examples look correct in the wingcc window. For some reason I had to copy w64gcc_s_sjlj-1.dll and libstdc++-6.dll to the examples/c++ directory in order for the c++ examples to run. Cheers, Rob ------------------------------------------------------------------------------ ThinkGeek and WIRED's GeekDad team up for the Ultimate GeekDad Father's Day Giveaway. ONE MASSIVE PRIZE to the lucky parental unit. See the prize list and enter to win: http://p.sf.net/sfu/thinkgeek-promo _______________________________________________ Plplot-general mailing list Plplot-general@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/plplot-general
