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Re: Multiple makefiles and rules for CONFIG_HEADER and CONFIG_FILE entr

From: Alexandre Duret-Lutz
Subject: Re: Multiple makefiles and rules for CONFIG_HEADER and CONFIG_FILE entries
Date: Thu, 13 Feb 2003 20:43:25 +0100
User-agent: Gnus/5.090008 (Oort Gnus v0.08) Emacs/21.2 (i386-pc-linux-gnu)

>>> "Sander" == Sander Niemeijer <address@hidden> writes:


 Sander> Now I recently discovered that automake places the
 Sander> rules to rebuild foo.h from (with the use of a
 Sander> stamp-h* file) in the Makefile of the directory where
 Sander> foo.h will appear if that directory has a Makefile and
 Sander> otherwise put it in the toplevel Makefile. But it won't
 Sander> put these rules in any of the other Makefiles.  Of
 Sander> course this leaves me with a problem if I change
 Sander> and perform a make, since for targets in my
 Sander> subdirectories that depend on foo.h make won't try to
 Sander> rebuild foo.h and thus these targets won't be rebuild
 Sander> either.

I've been bitten by this too.  I added your email to the Cc: list for PR/355.

 Sander> I would like to know whether anybody knows a way to have the
 Sander> -> foo.h (with appropriate stamp-h* usage) dependencies included in
 Sander> all my makefiles that contain targets with dependencies on foo.h.

No idea :(  Except handwriting these rules, of course, but that
means you must know how stamp files are numbered.

 Sander> I'm currently considering to let configure create a separate foo.h in
 Sander> each of the directories that need foo.h (through a
 Sander> AC_CONFIG_HEADERS([dir1/foo.h:inc/ dir2/foo.h:inc/]),

This looks safer.

Alexandre Duret-Lutz

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