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Re: problem with CFLAGS
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From: |
Paul Eggert |
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Subject: |
Re: problem with CFLAGS |
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Date: |
Sun, 21 Oct 2001 15:43:30 -0700 (PDT) |
> From: Wayne Davis <address@hidden>
> Date: 21 Oct 2001 18:32:11 -0400
>
> I'm not sure what to call so that CFLAGS contains system default paths,
> such as /usr/include. How do I make sure CFLAGS contains the defaults?
The right place for -I options is CPPFLAGS, not CFLAGS.
AC_PROG_CPP and AC_PROG_CC both arrange to have CPPFLAGS propagated.
However, normally you don't want CPPFLAGS to contain -I/usr/include,
since this breaks on many systems where GCC wraps system include
files, e.g. GCC on Solaris.