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Re: basename conflicting definitions

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 Vinschen                  Please, send mails regarding Cygwin to
Cygwin Maintainer                 cygwin AT cygwin DOT com
Red Hat

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