Re: vpath builds and include paths

[jling]

Thank you Bob, that suggestion worked.

Also, using $(srcdir) also worked.

John

----- Original Message -----
From: Bob Friesenhahn <address@hidden>
Date: Monday, December 22, 2003 10:04 am
Subject: Re: vpath builds and include paths

> On Mon, 22 Dec 2003 address@hidden wrote:
> 
> > However, if I want to build in a separate build tree (relying on
> > VPATH), then I try the following:
> >
> > mkdir /build
> > cd /build
> > /test/configure
> > make
> >
> > This attempts to build in this new /build directory, but during
> > compilation it cannot locate the header file, myproj.hpp, and 
> the rest
> > of the build fails.  What do I need to do in order to tell automake
> > where this header is?  I've already tried using the absolute path
> > variables in the Makefile.am:
> >
> > INCLUDE = -I$(abs_top_srcdir)/project2/sublevel/inc
> 
> Note that abs_top_srcdir calculation was broken in Autoconf 2.58.  It
> is fixed in 2.59.
> 
> Rather than using INCLUDE you should use AM_CPPFLAGS.  For example
> 
> AM_CPPFLAGS = -I$(top_srcdir)/project2/sublevel/inc
> 
> Bob
> ======================================
> Bob Friesenhahn
> address@hidden
> http://www.simplesystems.org/users/bfriesen
> 
> 
> 
>