Re: basename conflicting definitions

[Marco Atzeri <marco dot atzeri at gmail dot com>]

On 4/21/2015 9:38 AM, Corinna Vinschen wrote:
> Hi Marco,
>
> On Apr 21 07:31, Marco Atzeri wrote:
> > Hi Corinna,
> > building open-mpi on
> >
> >   $ uname -svrm
> > CYGWIN_NT-6.1 2.0.0(0.287/5/3) 2015-04-17 12:08 x86_64
> >
> > I see a conflict from 2 header of
> >
> > $ cygcheck -f /usr/include/libgen.h /usr/include/string.h
> > cygwin-devel-2.0.0-0.7
> > cygwin-devel-2.0.0-0.7
> >
> >
> > configure:59845: gcc -std=gnu99 -c -DNDEBUG -ggdb -O2 -pipe
> > -Wimplicit-function-declaration -fdebug-prefix-map=/pub/devel/openmpi/openmpi-1.8.5pre2-1.x86_64/build=/usr/src/debug/openmpi-1.8.5pre2-1 -fdebug-prefix-map=/pub/devel/openmpi/openmpi-1.8.5pre2-1.x86_64/src/openmpi-1.8.5pre2=/usr/src/debug/openmpi-1.8.5pre2-1
> > -finline-functions -fno-strict-aliasing -fexceptions  conftest.c >&5
> > In file included from conftest.c:429:0:
> > /usr/include/libgen.h:18:14: error: conflicting types for 'basename'
> >   extern char *basename (char *path);
> >                ^
> > In file included from /usr/include/stdio.h:29:0,
> >                   from conftest.c:396:
> > /usr/include/string.h:172:7: note: previous declaration of 'basename' was
> > here
> >   char *_EXFUN(basename,(const char *))
> >         ^
>
> That's Yaakov's patch to introduce GNU basename with the different
> behaviour depending whether you include via libgen.h or via #define
> _GNU_SOURCE, string,h.
>
> Which one is it here?  The conflict shouldn't occur, one of them should
> have been filtered out based on the order.
>
>
> Corinna


libgen.h check

AC_CHECK_HEADERS([alloca.h aio.h arpa/inet.h dirent.h \
    dlfcn.h execinfo.h err.h fcntl.h grp.h inttypes.h libgen.h
   ....

attached extract from the config.log

Regards
Marco

Attachment: libgen_check.log
Description: Text document

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