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Re: if (...) then; AC_PROG_CC else AC_PROG_CC fi doesn't work?
From: |
Ralf Wildenhues |
Subject: |
Re: if (...) then; AC_PROG_CC else AC_PROG_CC fi doesn't work? |
Date: |
Wed, 24 Oct 2007 09:03:04 +0200 |
User-agent: |
Mutt/1.5.16 (2007-10-15) |
* Eric Blake wrote on Wed, Oct 24, 2007 at 12:13:44AM CEST:
> You can try using AS_IF instead of raw shell 'if' for wrapping the
> AC_PROG_CC calls, since the purpose of AS_IF is to output a shell
> conditional AND correctly handle side effects of macros within that
> shell conditional.
Well, the AC_REQUIRE'd macros of the wrapped macro (AC_PROG_CC) will be
placed outside the shell conditional with AS_IF. This may or may not
have the effect that is desired. Especially, I don't think it will work
with AC_PROG_CC.
Also, you need to use AS_IF of Autoconf 2.61 or newer.
Cheers,
Ralf