cvs commit: ports/Mk bsd.gcc.mk

Edwin Groothuis edwin at FreeBSD.org
Thu Jun 2 18:42:55 PDT 2005


edwin       2005-06-03 01:42:54 UTC

  FreeBSD ports repository

  Modified files:
    Mk                   bsd.gcc.mk 
  Log:
  USE_GCC=X.Y+ should prefer the stock compiler
  
      USE_GCC=3.2+ on a 6-CURRENT system prefers the GCC 3.2 compiler
      instead of the GCC 3.4 default system compiler.
      One often uses USE_GCC=3.2+ to enable a port to build on RELENG_4,
      but that does not mean a 6-CURRENT user doesn't want to use the
      native compiler.
      I also argue that the correct algorithm for USE_GCC=3.2+ is:
      1. Use system compiler if it's version is allowable by the USE_GCC
         invocation.
      2. Prefer the highest version # found already installed and allowed
         by the USE_GCC invocation, rather than the lowest.
      3. Install the specified GCC version and use if, if no other already
         installed compiler meets the USE_GCC invocation.
  
  #1 and #3 are implemented with this patch, but #2 isn't.
  
  The reason for it is because there is no highest version # specifiable
  with the USE_GCC command. What could be made is that the USE_GCC
  command accepts two arguments, where the first is the lower version,
  the second is the upper version. Or USE_GCC=-4.0, where everything
  <= 4.0 is allowed.
  
  PR:             ports/81116
  Reviewed by:    David O'Brien <obrien at freebsd.org>
  
  Revision  Changes    Path
  1.3       +13 -4     ports/Mk/bsd.gcc.mk


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