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Re: ./configure find gmp.h but not gmpxx.h
From: |
Baurzhan Ismagulov |
Subject: |
Re: ./configure find gmp.h but not gmpxx.h |
Date: |
Wed, 28 May 2008 11:29:58 +0200 |
User-agent: |
Mutt/1.5.13 (2006-08-11) |
Hello Johan,
On Wed, May 28, 2008 at 11:08:22AM +0200, Johan Oudinet wrote:
> In my configure.ac, I have:
> AC_CHECK_HEADERS([gmp.h], , AC_MSG_ERROR([This package needs libgmp]))
> AC_CHECK_HEADERS([gmpxx.h], , AC_MSG_ERROR([This package needs libgmpxx]))
>
> And when I run ./configure, I have:
> checking gmp.h usability... yes
> checking gmp.h presence... yes
> checking for gmp.h... yes
> checking gmpxx.h usability... no
> checking gmpxx.h presence... no
> checking for gmpxx.h... no
> configure: error: This package needs libgmpxx
I'd look in config.log to see why.
Is gmpxx.h by chance a C++ header and gcc fails to compile it? If yes,
you may want to wrap the second check with AC_LANG_PUSH(C++) and
AC_LANG_POP.
With kind regards,
--
Baurzhan Ismagulov
http://www.kz-easy.com/