/[m4]/m4/TODO
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revision 1.12 by gary, Tue Jul 29 15:57:33 2003 UTC revision 1.13 by gary, Tue Aug 12 15:33:56 2003 UTC
# Line 108  for any of these ideas or if you have ot Line 108  for any of these ideas or if you have ot
108      asked to load a frozen file that requires versions of modules with      asked to load a frozen file that requires versions of modules with
109      interface versions unsupported by the current release.      interface versions unsupported by the current release.
110    
   + Some liberties are take with preloaded modules using one another's  
     symbols.  This only works (portably) because the modules that do it  
     (m4.so and gnu.so) are both statically linked into the core.  Need to  
     investigate how this can be supported for any module, on platforms that  
     don't support backlinking.  Maybe exporting symbol name/address pairs  
     into a table maintained by libm4, and only using module symbols through  
     that table in other modules.  
   
   + On a related note, modules should be able to declare that they require  
     other modules to be loaded before they can work -- and the module loader  
     should take care of that.  Should such required modules be fully loaded  
     into the symbol table?  Or merely loaded into memory so that the C level  
     code is callable?  
   
111    + Setting of the module search path within m4 scripts:    + Setting of the module search path within m4 scripts:
112    
113          append(__modulepath__, `/some/modules/live/here')          append(__modulepath__, `/some/modules/live/here')

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