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List:       kde-devel
Subject:    i thought "gmake" knows better than this! (building entire lib)
From:       Nasser <parallel.au () gmail ! com>
Date:       2006-09-24 2:40:37
Message-ID: d25049ac0609231940p5ce59a6egafb5e70deed50ec () mail ! gmail ! com
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hi,

i have a massive library that i'm compiling.. basically, the first
time i run "gmake", it takes about an hour to build... fair enough...

now i modified ONE line in one of the files and ran gmake again...
it's still taking a real long time to build!

i thought that it would pick up which file i modified, and only build
that (and the ones above it that depend on it)... but it seems to be
building everything again! :-(

am i going about the right way to build this library? .. by the way,
this massive library is Qt4 that i'm building.. i modified one of the
src files to test something..

whats the fastest way to modify source code, build and install again?
.. i thought the whole idea behind make was to avoid compiling
unnecessarily?

cheers,
nasser
 
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