On Mon, Mar 18, 2013 at 1:55 AM, Paul K <paulclin...@yahoo.com> wrote: > Hi John, > > I ended up patching the makefile > (luamodule/CMakeFiles/wxLuaModules.dir/link.txt), but would prefer > something a bit more robust.
This is not a good idea. > On Sun, Mar 17, 2013 at 9:58 AM, Paul K <paulclin...@yahoo.com> wrote: >> Hi John, >> >> I ran into an issue with configuring wxlua to use system libpng >> library. I tried both --with-libpng=builtin and --with-libpng=sys, but >> I get exactly the same result. wxLua does not have switches "--with-libpng" are you talking about building the wxWidgets library? >> This discussion >> (https://groups.google.com/forum/?fromgroups=#!topic/wx-users/2QWQD0qUVUc) >> indicates that it's better to use a system library, but I can't Yes, it nearly always is best to use the system libraries for such basic libs (zlib, png, tiff, jpeg, and gtk). Reread that thread, it explains exactly what your problem is and how to fix it by using the system libs. Hint: don't specify --with-libpng at all and last few lines of the output of configure tells you what will be used. Don't forget to clean or preferably delete the old wxWidgets build dir to be sure that you're getting what you think you're getting. >> configure wxlua to *not* link builtin library as can be see from this >> output from cmake: >> >> -- * - wxWidgets_LIBRARIES = >> -L/home/paul/zbs/build/deps/lib;-pthread;;;/home/paul/zbs/build/deps/lib >> /libwx_gtk2u_stc-2.9.a;/home/paul/zbs/build/deps/lib/libwx_gtk2u_aui-2.9.a;/home/paul/zbs/build/deps/lib >> /libwx_baseu_net-2.9.a;/home/paul/zbs/build/deps/lib/libwx_gtk2u_html-2.9.a;/home/paul/zbs/build/deps/lib >> /libwx_gtk2u_adv-2.9.a;/home/paul/zbs/build/deps/lib/libwx_gtk2u_core-2.9.a;/home/paul/zbs/build/deps/lib >> /libwx_baseu-2.9.a;-lwxscintilla-2.9;-pthread;-lgthread-2.0;-lrt;-lX11;-lXxf86vm;-lgtk-x11-2.0;-lgdk-x11-2.0;-latk- >> 1.0;-lgio-2.0;-lpangoft2-1.0;-lpangocairo-1.0;-lgdk_pixbuf-2.0;-lcairo;-lpango-1.0;-lfreetype;-lfontconfig;-lgobject- >> 2.0;-lglib-2.0;-lwxregexu-2.9;-lwxjpeg-2.9;-lwxpng-2.9;-lwxzlib-2.9;-ldl;-lm >> >> (note the last last that includes -lwxpng-2.9). I tried (using brute >> force) to exclude wxpng from the link command, but failed. Ideally >> wxlua should somehow check if the library is configured as "builtin" >> or "sys", but for now I just need to check if this is going to work Check what and from whom? >> for me, so, I'm fine with modifying it manually. I need to exclude >> libpng as it creates problems with systems libraries required by GTK >> on Linux. >> >> What is the way for me to tell wxlua *not* to include wxpng-2.9? Thank you. wxLua links to whatever libraries that wxWidgets was linked to. Please see the docs below and run the appropriate "wx-config" command to understand how your wxWidgets libs were built and where the values in wxWidgets_LIBRARIES come from. http://wxlua.sourceforge.net/docs/install.html#C2.5 As I have mentioned before and as people on the Lua mailing explained recently (though not definitively enough) you cannot just link together random versions or builds of libraries together. For example, if you want to use the system png library then everything your app (wx.so) links to must have been built against that same lib. It is a recipe for disaster to try mix versions. It may work, but you should have no expectation that it should or will the next time you build it. The problem with using another random version/build of a png lib (for example) on Linux is that GTK will definitely be linked to the sys version and GTK cannot be easily (or maybe ever) be linked to staticly. Regards, John ------------------------------------------------------------------------------ Everyone hates slow websites. So do we. Make your web apps faster with AppDynamics Download AppDynamics Lite for free today: http://p.sf.net/sfu/appdyn_d2d_mar _______________________________________________ wxlua-users mailing list wxlua-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wxlua-users
