NetBSD Problem Report #44236

From www@NetBSD.org  Wed Dec 15 18:37:15 2010
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Date: Wed, 15 Dec 2010 18:37:14 +0000 (UTC)
From: tez@netbsd.org
Reply-To: tez@netbsd.org
To: gnats-bugs@NetBSD.org
Subject: gcc44 bug causing latest ImageMagick build failure on Solaris
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>Number:         44236
>Category:       pkg
>Synopsis:       gcc44 bug causing latest ImageMagick build failure on Solaris
>Confidential:   no
>Severity:       serious
>Priority:       low
>Responsible:    pkg-manager
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Wed Dec 15 18:40:00 +0000 2010
>Last-Modified:  Tue Jan 04 08:30:02 +0000 2011
>Originator:     Tim
>Release:        pkgrsc HEAD
>Organization:
>Environment:
SunOS 5.10 Generic_144488-02 sun4u sparc SUNW,Sun-Fire-V440 Solaris

>Description:
To get the latest ImageMagick package to build, I had to hack around this bug

  http://gcc.gnu.org/bugzilla/show_bug.cgi?id=41169

The hack I used was to copy  /usr/include/complex.h to  /usr/pkg/gcc44/lib/gcc/sparc-sun-solaris2.10/4.4.4/include-fixed/
and apply the following patch:

--- /usr/include/complex.h      2004-11-23 17:11:26.000000000 -0600
+++ /usr/pkg/gcc44/lib/gcc/sparc-sun-solaris2.10/4.4.4/include-fixed/complex.h  2010-12-15 11:40:50.803494200 -0600
@@ -14,12 +14,10 @@
  * Compilation environments for Solaris must provide the _Imaginary datatype
  * and the compiler intrinsics _Complex_I and _Imaginary_I
  */
-#define        _Complex_I      _Complex_I
+#define        _Complex_I      (__extension__ 1.0iF)
 #define        complex         _Complex
-#define        _Imaginary_I    _Imaginary_I
-#define        imaginary       _Imaginary
 #undef I
-#define        I               _Imaginary_I
+#define        I               _Complex_I

 extern float cabsf(float complex);
 extern float cargf(float complex);


Without the hack, the build fails like this:

  CC     magick/magick_libMagickCore_la-fourier.lo
magick/fourier.c: In function 'InverseFourier':
magick/fourier.c:1016: error: '_Imaginary_I' undeclared (first use in this function)
magick/fourier.c:1016: error: (Each undeclared identifier is reported only once
magick/fourier.c:1016: error: for each function it appears in.)
gmake[1]: *** [magick/magick_libMagickCore_la-fourier.lo] Error 1
gmake[1]: Leaving directory `/usr/pkgsrc/graphics/ImageMagick/work/ImageMagick-6.6.6-5'
gmake: *** [all] Error 2
*** Error code 2

Stop.
bmake: stopped in /usr/pkgsrc/graphics/ImageMagick
*** Error code 1

Stop.
bmake: stopped in /usr/pkgsrc/graphics/ImageMagick

>How-To-Repeat:
cd pkgsrc/graphics/ImageMagick
bmake
>Fix:
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=41169

>Audit-Trail:
From: =?ISO-8859-1?Q?J=F6rn_Clausen?= <joern.clausen@uni-bielefeld.de>
To: gnats-bugs@NetBSD.org
Cc: 
Subject: Re: pkg/44236
Date: Tue, 04 Jan 2011 09:26:48 +0100

 This bug is not only related to gcc44. I get the same error with lang/gcc34.

 And I think it would be much better if ImageMagick would work around 
 this bug. As far as I understand the thread on gcc.gnu.org, complex 
 arithmetic is not standardized anyway.

 As a workaround, this patch

 --- Makefile    2011/01/04 07:56:21     1.1
 +++ Makefile    2011/01/04 07:56:38
 @@ -19,6 +19,7 @@
   GNU_CONFIGURE=         yes
   CONFIGURE_ARGS+=       --disable-assert
   CONFIGURE_ARGS+=       --with-fontconfig
 +CONFIGURE_ARGS+=       --without-fftw
   PKGCONFIG_OVERRIDE=    Magick++/lib/ImageMagick++.pc.in
   PKGCONFIG_OVERRIDE+=   magick/ImageMagick.pc.in

 seems to exclude the problematic code. Maybe there is a more 
 fine-grained check in configure, but I prefer this to meddling around 
 with GCC header files. The above patch has to be enclosed in reasonable 
 conditionals, of course.

 -- 
   Jörn Clausen                             joern.clausen@uni-bielefeld.de
   Hochschulrechenzentrum                 http://www.uni-bielefeld.de/hrz/
   Universität Bielefeld

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