Re: Custom gcc installation include files

[Siddhartha Jain <tmfs10 at gmail dot com>]

Hm I see. I'm trying to compile Qt and I'm getting the error

In file included from
/home/sj1/Software/qt/4.8.7/build/include/QtCore/../../../qt-everywhere-opensource-src-4.8.7/src/corelib/tools/qbytearray.h:48:0,
                 from
/home/sj1/Software/qt/4.8.7/build/include/QtCore/qbytearray.h:1,
                 from
/home/sj1/Software/qt/4.8.7/build/include/QtCore/../../../qt-everywhere-opensource-src-4.8.7/src/corelib/tools/qstring.h:46,
                 from
/home/sj1/Software/qt/4.8.7/build/include/QtCore/qstring.h:1,
                 from
/home/sj1/Software/qt/4.8.7/build/include/QtCore/../../../qt-everywhere-opensource-src-4.8.7/src/corelib/io/qiodevice.h:51,
                 from
/home/sj1/Software/qt/4.8.7/build/include/QtCore/qiodevice.h:1,
                 from
/home/sj1/Software/qt/4.8.7/build/include/QtCore/../../../qt-everywhere-opensource-src-4.8.7/src/corelib/io/qdatastream.h:46,
                 from
/home/sj1/Software/qt/4.8.7/build/include/QtCore/qdatastream.h:1,
                 from
/home/sj1/Software/qt/4.8.7/build/include/QtCore/../../../qt-everywhere-opensource-src-4.8.7/src/corelib/tools/qstringlist.h:46,
                 from
/home/sj1/Software/qt/4.8.7/build/include/QtCore/qstringlist.h:1,
                 from project.h:45,
                 from project.cpp:42:
/usr/include/string.h:548:5: error: â__locale_tâ has not been declared
     __locale_t __loc)


there are a couple of other similar errors but this is the first one
and I thought it might be because the system gcc is 4.4.7 and it's
using the executable for gcc 4.8.1

--Sid

On Wed, Jun 24, 2015 at 12:43 PM, Jonathan Wakely <jwakely.gcc@gmail.com> wrote:
> On 24 June 2015 at 11:56, Siddhartha Jain wrote:
>> Hi,
>>
>> I have a custom installation of gcc 4.8.1 in my home directory.
>> However the include files in that installation have no extensions!
>> (except for tgmath.h, fenv.h, complex.h, and cxxabi.h)
>
> Which files are you talking about?
>
> Most C++ Standard Library headers do not have extensions, so that's normal.
>
>
>> Thus even if I include the installation include directory (for me
>> under include/c++/4.8.1) in C_INCLUDE_PATH, it still goes to the
>> system-wide gcc include files.
>
> You should never need to add GCC's own include directories to its
> search paths, it looks there automatically. So you're doing something
> wrong.
>
>> Why do the include files in the gcc install not have extensions and
>> will renaming them to have a .h extension fix the problem?
>
> What problem?
>
> Most C++ headers are not supposed to have extensions, so renaming them
> is not going to help.
>
> It sounds like you have some problem compiling something and are
> confused about C++ headers, but it's hard to tell. Please describe the
> symptoms of the problem, not what you think is causing it.
>
> What are you trying to do?
>
> What errors are you getting?