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Where Do All These Macros Come From?


From: Jordan H.
Subject: Where Do All These Macros Come From?
Date: Fri, 24 May 2013 07:25:18 -0700

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Hello, folks!

In learning automake I keep looking at example configure.ac files and in
the tutorial someone says "oh, you can just use this here macro." I look
in the automake manual, though
(https://www.gnu.org/software/automake/manual/automake.html#Macro-Index)
and find the macro to not be found. One example is AC_CHECK_LIB that's
automatically generated by autoscan...I see very little documentation on
this macro.

Is there a special syntax for configure.ac? This is never really
explained in any tutorial. All I see is someone pulling a variable out
from who-knows-where and a different tutorial doing the exact same thing
pulls a different macro from who-know-where.

Thanks. Hope my question is clear. I'm still sort of a newbie with automake.
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