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Date: Thu, 2 Nov 2006 14:10:48 +0900
From: "Wynfield Henman" <wynfield AT gmail DOT com>
To: cygwin AT cygwin DOT com
Subject: Re: Problem building ImageMagick 6.3.0
In-Reply-To: <454519C9.8090004@scytek.de>
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Modifying the configure.ac file may take away the "undefined CXX"
messages, but it didn't do anything else in my  case.   I can only get
a successfull build of ImageMagick by configuring as below:

./configure  --without-perl

To get rid of trying to build perlmagick
Because makng PerlMagick fails as follows with a whole bunch of
"undefined references" such as:
/usr/src/imagemagick/ImageMagick-6.3.0/PerlMagick/Magick.xs:9776:
undefined reference to `_GetLocaleExceptionMessage'
/usr/src/imagemagick/ImageMagick-6.3.0/PerlMagick/Magick.xs:9738:
undefined reference to `_GetMagickInfoList'
/usr/src/imagemagick/ImageMagick-6.3.0/PerlMagick/Magick.xs:9742:
undefined reference to `_CopyMagickString'
/usr/src/imagemagick/ImageMagick-6.3.0/PerlMagick/Magick.xs:9743:
undefined reference to `_LocaleLower'
/usr/src/imagemagick/ImageMagick-6.3.0/PerlMagick/Magick.xs:9746:
undefined reference to `_RelinquishMagickMemory'
Magick.o: In function `XS_Image__Magick_Read':
/usr/src/imagemagick/ImageMagick-6.3.0/PerlMagick/Magick.xs:9847:
undefined reference to `_GetExceptionInfo'
/usr/src/imagemagick/ImageMagick-6.3.0/PerlMagick/Magick.xs:9852:
undefined reference to `_AcquireMagickMemory'
/usr/src/imagemagick/ImageMagick-6.3.0/PerlMagick/Magick.xs:9861:
undefined reference to `_AcquireMagickMemory'
/usr/src/imagemagick/ImageMagick-6.3.0/PerlMagick/Magick.xs:9878:
undefined reference to `_ThrowMagickException'
/usr/src/imagemagick/ImageMagick-6.3.0/PerlMagick/Magick.xs:9971:
undefined reference to `_RelinquishMagickMemory'
-------------- end of undefined reference paste.

Regards

------------------------------------------------------------------
> The real culprit was:>
> > libtool: ignoring unknown tag CXX
>
> The
> AC_LIBTOOL_TAGS([CXX])
>
> macro in configure.ac needs CXX to be set before it is used. Placing
> an AC_PROG_CXX before it solves this problem and the build continues.
> Volker

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