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Re: Passing flags to SUBDIRS

From: Bob Friesenhahn <bfriesen at simple dot dallas dot tx dot us>
To: "Aaron W. LaFramboise" <aaronenvelope277 at aaronwl dot com>
Cc: automake at gnu dot org
Date: Mon, 22 Nov 2004 14:25:47 -0600 (CST)
Subject: Re: Passing flags to SUBDIRS
References: <41A24ACB.4040008@aaronwl.com>

On Mon, 22 Nov 2004, Aaron W. LaFramboise wrote:

If I'd like all of the files in a particular subdirectory to be compiled
with -Isome/path, for instance, how do I arrange for this?  AM_CPPFLAGS
does not seem to be automatically propagated.

Use AC_SUBST to perform substitutions. Automake will add some code to convert each subsitution into a make variable with the same name.

So if your configure.ac includes

AC_SUBST(FOO)

then you could put this in any Makefile.am:

AM_CPPFLAGS=$(FOO).

Bob
======================================
Bob Friesenhahn
bfriesen@simple.dallas.tx.us
http://www.simplesystems.org/users/bfriesen

References:
- Passing flags to SUBDIRS
  - From: Aaron W. LaFramboise

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