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AC_CHECK_HEADERS and "present but cannot be compiled" warnings
From: |
Tim Potter |
Subject: |
AC_CHECK_HEADERS and "present but cannot be compiled" warnings |
Date: |
Fri, 29 Aug 2003 10:35:53 +1000 |
User-agent: |
Mutt/1.5.4i |
After switching Samba to autocon 2.53 from 2.13 we have started seeing
the "WARNING: foo.h: present but cannot be compiled" errors I'm sure
you have all fielded questions about in the past.
My question is there any chance of having a macro that retains the
old behaviour of AC_CHECK_HEADERS, i.e preprocessor check, not compile
check? It seems wasteful to me that you now need to keep track of of
header file compile dependencies in two places: configure.ac and the
project source code. The old CPP-only behaviour only requires this
information to be stored in the source.
Tim.
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