Saturday, August 29, 2009

Linker problems with Borland Builder

When building a project in Borland Builder (version 5) you can get a linker error such as:

[Linker Error] Fatal: Error detected (LME351)
[Linker Warning] Cannot reserve virtual memory at addr 461A0000 for -1703936 bytes (errcode 87)

This is a known bug in Borland Builder, and the reason is that the debug information file is too big. Every project with forms create a debug file (a *.tds file), when the size of this file exceeds roughly 32 MB the linker throws an error. The solution is to disable the debugging ability of forms with many controls:

  • Right-click a form in the "Project Manager", select "Edit local options..." and un-check the "Debug information" checkbox.

  • Delete the project's *.tds file and the vcl50*-files in the Borland installation directory (e.g. C:\Program Files\Borland\CBuilder5\Lib\vcl50.*).

  • Re-compile all files you have changed debug settings on.


  1. Don't delete the *.lib files in the sub folders.

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