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authorRob Landley <rob@landley.net>2005-07-27 06:55:36 +0000
committerRob Landley <rob@landley.net>2005-07-27 06:55:36 +0000
commit193c8c73834b701f93c421fc88a2ecb715fd6fe5 (patch)
tree8467a696b1990e665391d4fcde21c8f176f27cd1 /util-linux
parent77804ce53d2a83d89e272a20763f2e6f5fc25d8c (diff)
#ifdef reduction infrastructure, based on an argument between Shaun Jackman,
Rob Landley, and others. Currently CONFIG options are defined or undefined, so we chop out code with #ifdefs, ala: #ifdef CONFIG_THING stuff(); #endif This creates a new header file, bb_config.h, which sets the CONFIG entry to 1 or 0, and lets us do: if(CONFIG_THING) stuff(); And let the compiler do dead code elimination to get rid of it. (Note: #ifdef will still work because for the 1 case it's a static const int, not a #define.)
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