Ok. I've created a link map accidentally (I mean I don't remember which options I used but the "exbasic.map" file was created) and it has these lines inside:
I'm not sure if I've listed all related lines, but if I've understood it links the GLX library and has information about the "glXQueryExtension", but for some reason the "libagl.so" can't link it. At the the Allegro forums a developer suggested that "(...) whether linking order could possibly make a difference. ".Code:Allocating common symbols Common symbol size file ... U_GLX_GLXQUERYEXTENSION 0x4 /usr/lib/fpc/2.2.2/units/i386-linux/opengl/glx.o ... Linker script and memory map TARGET(elf32-i386) .. LOAD /usr/lib/fpc/2.2.2/units/i386-linux/opengl/gl.o ... LOAD lib/allegro.o LOAD lib/algl.o .. LOAD /usr/lib/fpc/2.2.2/units/i386-linux/opengl/glu.o LOAD /usr/lib/fpc/2.2.2/units/i386-linux/opengl/glx.o LOAD /usr/lib/fpc/2.2.2/units/i386-linux/x11/x.o ... LOAD /usr/local/lib/liballeg-4.4.0.so LOAD /usr/lib/libdl.so LOAD /usr/lib/libm.so LOAD /usr/lib/libX11.so LOAD /usr/lib/libc.so START GROUP LOAD /lib/libc.so.6 LOAD /usr/lib/libc_nonshared.a LOAD /lib/ld-linux.so.2 END GROUP ... COMMON 0x000000000809dd10 0x1a4 /usr/lib/fpc/2.2.2/units/i386-linux/opengl/glx.o ... 0x000000000809dd50 U_GLX_GLXQUERYEXTENSION ... .debug_frame 0x0000000000000064 0x0 /usr/lib/fpc/2.2.2/units/i386-linux/opengl/gl.o ... .debug_frame 0x0000000000000064 0x1234 lib/allegro.o .debug_frame 0x0000000000001298 0x1a4 lib/algl.o ... .debug_frame 0x0000000000001694 0x0 /usr/lib/fpc/2.2.2/units/i386-linux/opengl/glu.o .debug_frame 0x0000000000001694 0x0 /usr/lib/fpc/2.2.2/units/i386-linux/opengl/glx.o ...
This is getting weirder every day...
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