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Re: build failure on OSX 10.9
From: |
Ben Abbott |
Subject: |
Re: build failure on OSX 10.9 |
Date: |
Sat, 16 Nov 2013 08:35:51 -0500 |
On Nov 15, 2013, at 10:02 PM, John W. Eaton wrote:
> On 11/15/2013 06:51 PM, Ben Abbott wrote:
>>
>> On Nov 15, 2013, at 3:47 PM, John W. Eaton wrote:
>>
>>> On 11/15/2013 08:59 AM, Ben Abbott wrote:
>>>> On Nov 15, 2013, at 8:40 AM, c. wrote:
>>>>
>>>>> On 15 Nov 2013, at 14:10, Ben Abbott <address@hidden> wrote:
>>>>>
>>>>>> Ok. I'm still using 2.4, which does not have the qscilexeroctave.h file.
>>>>>>
>>>>>> Did I understand correctly that you're able to build by *only* removing
>>>>>> the "external C++" declaration? ... i.e. no change to
>>>>>> libgui/src/module.mk?
>>>>>
>>>>> yes. either of the two changes will work for me, I don't need both.
>>>>
>>>> Ok. Any idea why both libgnu/stdio.h and /usr/include/stdio.h are being
>>>> included?
>>>
>>> Because that's the way gnulib works. libgnu/stdio.h first does an
>>> '#include_next <stdio.h>' and then adds its own declarations on top of
>>> the ones that the system provides.
>>
>> The line in libgnu/stdio.h that triggers the error is the one beginning with
>> _GL_WARN_ON_USE
>>
>> ------begin-------
>> /* It is very rare that the developer ever has full control of stdin,
>> so any use of gets warrants an unconditional warning; besides, C11
>> removed it. */
>> #undef gets
>> #if HAVE_RAW_DECL_GETS
>> //_GL_WARN_ON_USE (gets, "gets is a security hole - use fgets instead");
>> #endif
>> -------end--------
>>
>> With that commented out, I'm able to build.
>>
>> I assume this conflict indicates a bug in gnulib?
>
> I think it's a bug in the header file that includes stdio.h inside an extern
> "C++" block.
>
> What happens if you undo your local changes and apply the attached patch?
> Does that also avoid the problem?
>
> jwe
Using Qscintilla 2.4.6 on MacOS 10.7.5 I still see the error.
/bin/sh ../libtool --tag=CXX --mode=compile /opt/local/bin/g++-mp-4.7
-DHAVE_CONFIG_H -I. -I.. -I/opt/local/include -I/opt/local/include/QtGui
-I/opt/local/include -I/opt/local/include/QtNetwork -I/opt/local/include
-I/opt/local/include/QtCore -I./qterminal/libqterminal -Isrc -I./src
-I./src/m-editor -I./src/qtinfo -I../liboctave/cruft/misc -I../liboctave/array
-I../liboctave/numeric -I../liboctave/numeric -I../liboctave/operators
-I../liboctave/operators -I../liboctave/system -I../liboctave/util
-I../libinterp -I../libinterp -I../libinterp/parse-tree
-I../libinterp/parse-tree -I../libinterp/corefcn -I../libinterp/corefcn
-I../libinterp/octave-value -I../libgnu -D_THREAD_SAFE -I/opt/local/include
-Wall -W -Wshadow -Wold-style-cast -Wformat -Wpointer-arith -Wwrite-strings
-Wcast-align -Wcast-qual -pipe -O2 -m64 -D_THREAD_SAFE -pthread -MT
src/src_libgui_src_la-main-window.lo -MD -MP -MF
src/.deps/src_libgui_src_la-main-window.Tpo -c -o
src/src_libgui_src_la-main-window.lo `test -f 'src/main-window.cc' || echo
'./'`src/main-window.cc
libtool: compile: /opt/local/bin/g++-mp-4.7 -DHAVE_CONFIG_H -I. -I..
-I/opt/local/include -I/opt/local/include/QtGui -I/opt/local/include
-I/opt/local/include/QtNetwork -I/opt/local/include -I/opt/local/include/QtCore
-I./qterminal/libqterminal -Isrc -I./src -I./src/m-editor -I./src/qtinfo
-I../liboctave/cruft/misc -I../liboctave/array -I../liboctave/numeric
-I../liboctave/numeric -I../liboctave/operators -I../liboctave/operators
-I../liboctave/system -I../liboctave/util -I../libinterp -I../libinterp
-I../libinterp/parse-tree -I../libinterp/parse-tree -I../libinterp/corefcn
-I../libinterp/corefcn -I../libinterp/octave-value -I../libgnu -D_THREAD_SAFE
-I/opt/local/include -Wall -W -Wshadow -Wold-style-cast -Wformat
-Wpointer-arith -Wwrite-strings -Wcast-align -Wcast-qual -pipe -O2 -m64
-D_THREAD_SAFE -pthread -MT src/src_libgui_src_la-main-window.lo -MD -MP -MF
src/.deps/src_libgui_src_la-main-window.Tpo -c src/main-window.cc -fno-common
-DPIC -o src/.libs/src_libgui_src_la-main-window.o
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/QtCore/qiodevice.h:46,
from /opt/local/include/QtCore/qdatastream.h:46,
from /opt/local/include/QtCore/qstringlist.h:46,
from /opt/local/include/QtGui/qcolor.h:47,
from /opt/local/include/Qsci/qscilexer.h:38,
from src/m-editor/octave-qscintilla.cc:31:
/usr/include/stdio.h:265:7: 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/QtCore/qiodevice.h:46,
from /opt/local/include/QtCore/qdatastream.h:46,
from /opt/local/include/QtCore/qstringlist.h:46,
from /opt/local/include/QtGui/qcolor.h:47,
from /opt/local/include/Qsci/qscilexer.h:38,
from src/m-editor/octave-qscintilla.cc:31:
../libgnu/stdio.h:1034:1: error: conflicts with new declaration with 'C++'
linkage
Ben
- Re: build failure on OSX 10.9, (continued)
- Re: build failure on OSX 10.9, Ben Abbott, 2013/11/14
- Re: build failure on OSX 10.9, c., 2013/11/14
- Re: build failure on OSX 10.9, Ben Abbott, 2013/11/14
- Re: build failure on OSX 10.9, c., 2013/11/14
- Re: build failure on OSX 10.9, Ben Abbott, 2013/11/15
- Re: build failure on OSX 10.9, c., 2013/11/15
- Re: build failure on OSX 10.9, Ben Abbott, 2013/11/15
- Re: build failure on OSX 10.9, John W. Eaton, 2013/11/15
- Re: build failure on OSX 10.9, Ben Abbott, 2013/11/15
- Re: build failure on OSX 10.9, John W. Eaton, 2013/11/15
- Re: build failure on OSX 10.9,
Ben Abbott <=
- Re: build failure on OSX 10.9, Ben Abbott, 2013/11/16
- Re: build failure on OSX 10.9, c., 2013/11/16
- Re: build failure on OSX 10.9, Torsten, 2013/11/15
- Re: build failure on OSX 10.9, c., 2013/11/15
- Re: build failure on OSX 10.9, Torsten, 2013/11/16
- Re: build failure on OSX 10.9, c., 2013/11/16
- Re: build failure on OSX 10.9, John W. Eaton, 2013/11/15
- Re: build failure on OSX 10.9, c., 2013/11/15
- Re: build failure on OSX 10.9, Ben Abbott, 2013/11/14
- Re: build failure on OSX 10.9, c., 2013/11/14