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Re: Specifying AM_CPPFLAGS from within configure.ac


From: Andreas Schwab
Subject: Re: Specifying AM_CPPFLAGS from within configure.ac
Date: Mon, 06 Jun 2005 15:12:48 +0200
User-agent: Gnus/5.110003 (No Gnus v0.3) Emacs/22.0.50 (gnu/linux)

Jirka Hanika <address@hidden> writes:

> For example I'll try to upgrade the "unused variable" warning avoidance
> code to something like
>
> if (((int)argv) * ((int)argv) < 0 || argc < 0) printf("");

conftest.c: In function ‘main’:
conftest.c:5: warning: cast from pointer to integer of different size
conftest.c:5: warning: cast from pointer to integer of different size
conftest.c:5: warning: zero-length printf format string

conftest.cc: In function ‘int main(int, char**)’:
conftest.cc:5: error: cast from ‘char**’ to ‘int’ loses precision
conftest.cc:5: error: cast from ‘char**’ to ‘int’ loses precision
conftest.cc:5: warning: zero-length printf format string

Andreas.

-- 
Andreas Schwab, SuSE Labs, address@hidden
SuSE Linux Products GmbH, Maxfeldstraße 5, 90409 Nürnberg, Germany
Key fingerprint = 58CA 54C7 6D53 942B 1756  01D3 44D5 214B 8276 4ED5
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