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[Octave-bug-tracker] [bug #32444] Range.cc build error: ‘floor’ is not a
From: |
Alexander Barth |
Subject: |
[Octave-bug-tracker] [bug #32444] Range.cc build error: ‘floor’ is not a member of ‘gnulib’ |
Date: |
Wed, 23 Feb 2011 21:09:17 +0000 |
User-agent: |
Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.13) Gecko/20101206 Ubuntu/10.04 (lucid) Firefox/3.6.13 |
Follow-up Comment #5, bug #32444 (project octave):
Yes, I have a file libgnu/math.h:
$ ls -l libgnu/math.h
-rw-r--r-- 1 mc gher 36615 Feb 22 22:13 libgnu/math.h
The file
'/usr/include/c++/cvos/shared/apps/gcc/4.3.2/lib/gcc/x86_64-unknown-linux-gnu/4.3.2/../../../../include/c++/4.3.2/cmath
' does not exist, but I have the file
'/cvos/shared/apps/gcc/4.3.2/lib/gcc/x86_64-unknown-linux-gnu/4.3.2/../../../../include/c++/4.3.2/cmath'
In this file, math.h is included right at the beginning:
#pragma GCC system_header
#include <bits/c++config.h>
#include <bits/cpp_type_traits.h>
#include <ext/type_traits.h>
#include_next <math.h>
#ifndef _GLIBCXX_CMATH
#define _GLIBCXX_CMATH 1
I have also gcc 4.1.2 on my system which compiles Range.cc without problem.
The corresponding Range.ii contains a line:
# 30 "../libgnu/math.h" 2 3
# 618 "../libgnu/math.h" 3
namespace gnulib { static double (*floor) (double x) = ::floor; } extern "C"
int _gl_cxxalias_dummy;
This declaration is missing in Range.ii when I use gcc 4.3.2.
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