On 30.08.2011 23:23, Glenn Amerine wrote: > If you find the path to the library, I guess you could assume in many > cases that the header file is going to have the same path prefix on > libraries that have been installed from source by the user. That could > at least be a first attempt at finding the header file if it is not in > the standard include directories. Generally it is in the standard include directory. But sometimes inside a subdirectory named fastcgi and sometimes not. > A "find" from root would get it done, but is pretty klunky and slow. > There could also be multiple copies of the header file that are not the > same. This is not the problem. I can use two nested AC_CHECK_HEADER directives to find the header location. But i did not find a way to modify the CPPFLAGS in the right way (e.g. to still be ready for cross compiling). Steffen PS: Way don't you answer to the mailing list? I'm sure there are more people interested in it. -- DResearch Fahrzeugelektronik GmbH Otto-Schmirgal-Str. 3, 10319 Berlin, Germany Tel: +49 30 515932-237 mailto:sledz@xxxxxxxxxxxxxxx Fax: +49 30 515932-299 Geschäftsführer: Dr. Michael Weber, Werner Mögle; Amtsgericht Berlin Charlottenburg; HRB 130120 B; Ust.-IDNr. DE273952058 _______________________________________________ Autoconf mailing list Autoconf@xxxxxxx https://lists.gnu.org/mailman/listinfo/autoconf