FC12 Compile Error lazarus / 1-Linux ---------------------------------------------------------------------- thaimann · 2010-07-12 16:26 I did a fresh install of the source: svn co http://svn.freepascal.org/svn/lazarus/trunk lazarus-svn And then I tried to compile it: make clean all  and got the following error: Fatal: Can't find unit Contnrs used by Masks Fatal: Compilation aborted make[1]: *** [alllclunits.ppu] Error 1 make[1]: Leaving directory `/home/terry/source/lazarus-svn/lcl' make: *** [lcl] Error 2 This of course was at the bottom of many other messages durring the compile.  I can get you the whole thing if you want. BTW I have fpc 2.4.0 installed: Free Pascal Compiler version 2.4.0 [2009/12/31] for i386 Copyright (c) 1993-2009 by Florian Klaempfl ---------------------------------------------------------------------- marcov · 2010-07-12 21:26 Quote from: thaimann on July 12, 2010, 06:26:52 pm  and got the following error: Fatal: Can't find unit Contnrs used by Masks Fatal: Compilation aborted make[1]: *** [alllclunits.ppu] Error 1 http://www.stack.nl/~marcov/buildfaq/#toc-Subsection-2.6.2 Probably a mixing of precompiled units (.PPU) in version 2.4.0 and some other version, or an incorrect fpc.cfg configuration.