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From: dan@graysonfamily.org
To: gcc-gnats@gcc.gnu.org
Cc: dan@math.uiuc.edu
Subject: c++/4464: cpp
Date: Wed, 03 Oct 2001 18:26:00 -0000 [thread overview]
Message-ID: <20011004011626.24963.qmail@graysonfamily.org> (raw)
>Number: 4464
>Category: c++
>Synopsis: cpp removes duplicate entries from include path
>Confidential: no
>Severity: non-critical
>Priority: medium
>Responsible: unassigned
>State: open
>Class: sw-bug
>Submitter-Id: net
>Arrival-Date: Wed Oct 03 18:26:00 PDT 2001
>Closed-Date:
>Last-Modified:
>Originator: Daniel R. Grayson
>Release: 3.0.1
>Organization:
>Environment:
System: Linux rhenium 2.4.9 #67 Mon Sep 3 11:10:40 CDT 2001 i686 unknown
Architecture: i686
host: i686-pc-linux-gnu
build: i686-pc-linux-gnu
target: i686-pc-linux-gnu
configured with: ../configure : (reconfigured) ../configure : (reconfigured) ../configure --prefix=/usr : (reconfigured) ../configure : (reconfigured) ../configure : (reconfigured) ../configure --enable-shared --enable-threads=posix --prefix=/usr
>Description:
cpp eliminates duplicate directories from the include path
That can make #include_next fail, for example, the line 42
#include_next <wchar.h>
from the file
/usr/include/g++-v3/bits/std_cwchar.h
>How-To-Repeat:
rhenium% cd /tmp
rhenium% cat foo.cc
#include <iostream.h>
rhenium% g++ -c foo.cc
rhenium% g++ -c -I/usr/include foo.cc
In file included from /bin/../lib/gcc-lib/i686-pc-linux-gnu/3.0.1/../../../../include/g++-v3/bits/fpos.h:40,
from /bin/../lib/gcc-lib/i686-pc-linux-gnu/3.0.1/../../../../include/g++-v3/bits/std_iosfwd.h:41,
from /bin/../lib/gcc-lib/i686-pc-linux-gnu/3.0.1/../../../../include/g++-v3/bits/std_ios.h:39,
from /bin/../lib/gcc-lib/i686-pc-linux-gnu/3.0.1/../../../../include/g++-v3/bits/std_ostream.h:39,
from /bin/../lib/gcc-lib/i686-pc-linux-gnu/3.0.1/../../../../include/g++-v3/bits/std_iostream.h:40,
from /bin/../lib/gcc-lib/i686-pc-linux-gnu/3.0.1/../../../../include/g++-v3/backward/iostream.h:32,
from foo.cc:1:
/bin/../lib/gcc-lib/i686-pc-linux-gnu/3.0.1/../../../../include/g++-v3/bits/std_cwchar.h:42:24: wchar.h: No such file or directory
... and so on ...
>Fix:
cpp should not remove duplicate directories from the include path
>Release-Note:
>Audit-Trail:
>Unformatted:
reply other threads:[~2001-10-03 18:26 UTC|newest]
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