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Re: AC_CHECK_HEADER won't use updates to CFLAGS/CPPFLAGS
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From: |
Ralf Wildenhues |
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Subject: |
Re: AC_CHECK_HEADER won't use updates to CFLAGS/CPPFLAGS |
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Date: |
Thu, 14 Aug 2008 09:09:17 +0200 |
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User-agent: |
Mutt/1.5.18 (2008-05-17) |
* Rhys Ulerich wrote on Thu, Aug 14, 2008 at 06:30:50AM CEST:
>
> How many chickens must I sacrifice for AC_CHECK_HEADER to notice that I've
> modified CFLAGS/CPPFLAGS within my configure script?
Please show your full configure.ac script, or, even better, a reduced
one that still exposes this issue.
Since AC_CHECK_HEADER apparently invokes g++, it seems you have an
AC_LANG([C++]) somewhere, thus CFLAGS won't be used in favor of
CXXFLAGS. However, CPPFLAGS should still be used.
Cheers,
Ralf