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Date: Tue, 21 Apr 2015 09:38:03 +0200
From: Corinna Vinschen <corinna-cygwin AT cygwin DOT com>
To: cygwin AT cygwin DOT com
Subject: Re: basename conflicting definitions
Message-ID: <20150421073803.GV3657@calimero.vinschen.de>
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Hi Marco,

On Apr 21 07:31, Marco Atzeri wrote:
> Hi Corinna,
> building open-mpi on
>=20
>  $ uname -svrm
> CYGWIN_NT-6.1 2.0.0(0.287/5/3) 2015-04-17 12:08 x86_64
>=20
> I see a conflict from 2 header of
>=20
> $ cygcheck -f /usr/include/libgen.h /usr/include/string.h
> cygwin-devel-2.0.0-0.7
> cygwin-devel-2.0.0-0.7
>=20
>=20
> configure:59845: gcc -std=3Dgnu99 -c -DNDEBUG -ggdb -O2 -pipe
> -Wimplicit-function-declaration -fdebug-prefix-map=3D/pub/devel/openmpi/o=
penmpi-1.8.5pre2-1.x86_64/build=3D/usr/src/debug/openmpi-1.8.5pre2-1 -fdebu=
g-prefix-map=3D/pub/devel/openmpi/openmpi-1.8.5pre2-1.x86_64/src/openmpi-1.=
8.5pre2=3D/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

--=20
Corinna Vinschen                  Please, send mails regarding Cygwin to
Cygwin Maintainer                 cygwin AT cygwin DOT com
Red Hat

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