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From: "suratiamol at gmail dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug build/26360] glibc 2.32 fails to crosscompile to
 ppc64le-linux-gnu using gcc 10.2.0
Date: Fri, 23 Oct 2020 21:39:34 +0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=3D26360

suratiamol at gmail dot com changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |suratiamol at gmail dot com

--- Comment #3 from suratiamol at gmail dot com ---
Got the same error here too.

The error, at least in the case of __asprintf, seems to occur because there=
 are
two declarations:


// emitted by libio/bits/stdio-ldbl.h
// __LDBL_REDIR2_DECL (asprintf)
// commit: e4a399921390509418826e8e8995d2441f29e243
extern __typeof (__asprintf) __asprintf __asm ("" "__nldbl___" "asprintf");

// emitted by include/stdio.h
// libc_hidden_ldbl_proto (__asprintf)
// commit: 45ae17dd7ed3b9dea0d698d1c37a978d8d0a9aa2
extern __typeof (__asprintf) __asprintf __asm__ ("" "__GI___asprintf")
__attribute__ ((visibility ("hidden")));


It is likely that the same two commits are involved in the errors about oth=
er
symbols.

Can reproduce the error with this dummy sample:

extern int __asprintf(void);
extern __typeof(__asprintf) __asprintf __asm("__nldbl___" "asprintf");
extern __typeof(__asprintf) __asprintf __asm__("__GI___asprintf")
__attribute__((visibility("hidden")));
int main(){return 0;}
//cc a.c -Werror

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