Re: Search for an header file in different paths

[Ralf Corsepius]

On 10/18/2011 04:26 PM, Alessandro Candini wrote:
> Before upgrading my Ubuntu linux to 11.10 version, I had gdal.h under
> /usr/local/include: configure and make succeed without errors.
> Now I have it under /usr/include/gdal and I get that gdal.h cannot be
> found (in my source files there is a simple "#include <gdal.h>").

<path>/configure CPPFLAGS=-I/usr/include/gdal

> How can I manage the two cases in the same configure.ac: system in which
> gdal.h is in /usr/include and others in which it is in /usr/local/include?

c.f. above. Leave passing include-paths to your users. Only he knows 
(rsp. he is supposed to know) where a package's headers are installed.

A package's author can't know where his package's users may have 
installed the package's headers into.

Ralf