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Re: build failure on OSX 10.9

From: John W. Eaton
Subject: Re: build failure on OSX 10.9
Date: Wed, 13 Nov 2013 11:32:16 -0500
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20131005 Icedove/17.0.9 
On 11/13/2013 10:51 AM, Doug Stewart wrote:




On Wed, Nov 13, 2013 at 6:46 AM, c. <address@hidden
<mailto:address@hidden>> wrote:

    Hi,

    In trying to build the latest development sources today I noticed the
    following failure which I had not seen before:

    In file included from ../libgnu/stdio.h:43:0,
                      from ../libgnu/wchar.h:71,
                      from /opt/local/include/gcc47/c++/cwchar:46,
                      from /opt/local/include/gcc47/c++/bits/postypes.h:42,
                      from
    /opt/local/include/gcc47/c++/bits/char_traits.h:42,
                      from /opt/local/include/gcc47/c++/string:42,
                      from /opt/local/include/QtCore/qstring.h:54,
                      from /opt/local/include/QtCore/qobject.h:48,
                      from /opt/local/include/Qsci/qscilexeroctave.h:33,
                      from
    ../../octave/libgui/src/m-editor/file-editor-tab.cc:31:
    /usr/include/stdio.h:255:7: error: previous declaration of 'char*
    gets(char*)' with 'C' linkage
    In file included from ../libgnu/wchar.h:71:0,
                      from /opt/local/include/gcc47/c++/cwchar:46,
                      from /opt/local/include/gcc47/c++/bits/postypes.h:42,
                      from
    /opt/local/include/gcc47/c++/bits/char_traits.h:42,
                      from /opt/local/include/gcc47/c++/string:42,
                      from /opt/local/include/QtCore/qstring.h:54,
                      from /opt/local/include/QtCore/qobject.h:48,
                      from /opt/local/include/Qsci/qscilexeroctave.h:33,
                      from
    ../../octave/libgui/src/m-editor/file-editor-tab.cc:31:
    ../libgnu/stdio.h:1034:1: error: conflicts with new declaration with
    'C++' linkage


I don't know why that is happening.  The config.h file is included
first in file-editor-tab.cc, correct?


I also see this
                  from /usr/include/qt4/QtGui/qapplication.h:45,
                  from /usr/include/qt4/QtGui/QApplication:1,
                  from ../../libgui/src/octave-dock-widget.cc:24:
../libgnu/unistd.h:121:3: error: #error "Please include config.h first."
In file included from /usr/include/c++/4.6/cwctype:52:0,
                  from /usr/include/c++/4.6/bits/locale_facets.h:41,
                  from /usr/include/c++/4.6/bits/basic_ios.h:39,
                  from /usr/include/c++/4.6/ios:45,
                  from /usr/include/c++/4.6/ostream:40,
                  from /usr/include/c++/4.6/iterator:64,
                  from /usr/include/qt4/QtCore/qlist.h:50,
                  from /usr/include/qt4/QtCore/qobject.h:50,
                  from /usr/include/qt4/QtCore/qcoreapplication.h:45,
                  from /usr/include/qt4/QtGui/qapplication.h:45,
                  from /usr/include/qt4/QtGui/QApplication:1,
                  from ../../libgui/src/octave-dock-widget.cc:24:
../libgnu/wctype.h:66:3: error: #error "Please include config.h first."
In file included from
/usr/include/c++/4.6/x86_64-linux-gnu/./bits/gthr-default.h:42:0,


I added a -I flag so that we are picking up gnulib header files in the
libgui directory now.  That requires having config.h included before
any other files.  I missed the octave-dock-widget.cc.  It should be
fixed now.

jwe
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