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* [Bug libc/10416] New: bug-atexit3-lib.cc build failure with g++ 4.5.0 (and fix)
@ 2009-07-19 20:26 dps at simpson dot demon dot co dot uk
2009-07-23 19:40 ` [Bug libc/10416] " drepper at redhat dot com
0 siblings, 1 reply; 3+ messages in thread
From: dps at simpson dot demon dot co dot uk @ 2009-07-19 20:26 UTC (permalink / raw)
To: glibc-bugs
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When checking gcc using g++ to compile bug-atexit3-lib.cc produces
In file included from bug-atexit3-lib.cc:1:0:
../include/unistd.h:4:1: error: new declaration void _exit(int)
../posix/unistd.h:570:13: error: ambiguates old declaration void _exit(int)
../include/unistd.h:7:1: error: new declaration int execl(const char*, const
char*, ...)
../posix/unistd.h:540:12: error: ambiguates old declaration int execl(const
char*, const char*, ...)
../include/unistd.h:8:1: error: new declaration int execle(const char*, const
char*, ...)
../posix/unistd.h:535:12: error: ambiguates old declaration int execle(const
char*, const char*, ...)
../include/unistd.h:9:1: error: new declaration int execlp(const char*, const
char*, ...)
../posix/unistd.h:551:12: error: ambiguates old declaration int execlp(const
char*, const char*, ...)
../include/unistd.h:10:1: warning: int execvp(const char*, char* const*):
visibility attribute ignored because it
../posix/unistd.h:545:12: warning: conflicts with previous declaration here
This seems to be extern "C" version in posix/unistd.h being ambiguous with the
not extern "C" version in include/unistd.h. This presumably affects a wide range
of target architecture and many C++ compilers.
The fix below fixes this by adding bracketing the contents of unistd.h in
_BEGIB_DECLS ... __END_DECLS.
--- include/unistd.h.dist 2009-07-19 17:22:48.160507246 +0100
+++ include/unistd.h 2009-07-19 20:06:03.857739225 +0100
@@ -1,6 +1,9 @@
#ifndef _UNISTD_H
+# include <features.h>
# include <posix/unistd.h>
+__BEGIN_DECLS
+
libc_hidden_proto (_exit, __noreturn__)
libc_hidden_proto (alarm)
libc_hidden_proto (confstr)
@@ -174,4 +177,6 @@
unless it is really necessary. */
#define __have_pipe2 __have_sock_cloexec
+__END_DECLS
+
#endif
--
Summary: bug-atexit3-lib.cc build failure with g++ 4.5.0 (and
fix)
Product: glibc
Version: unspecified
Status: NEW
Severity: normal
Priority: P2
Component: libc
AssignedTo: drepper at redhat dot com
ReportedBy: dps at simpson dot demon dot co dot uk
CC: glibc-bugs at sources dot redhat dot com
GCC build triplet: x86_64-unknown-linux-gnu
GCC host triplet: x86_64-unknown-linux-gnu
GCC target triplet: x86_64-unknown-linux-gnu
http://sourceware.org/bugzilla/show_bug.cgi?id=10416
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* [Bug libc/10416] bug-atexit3-lib.cc build failure with g++ 4.5.0 (and fix)
2009-07-19 20:26 [Bug libc/10416] New: bug-atexit3-lib.cc build failure with g++ 4.5.0 (and fix) dps at simpson dot demon dot co dot uk
@ 2009-07-23 19:40 ` drepper at redhat dot com
0 siblings, 0 replies; 3+ messages in thread
From: drepper at redhat dot com @ 2009-07-23 19:40 UTC (permalink / raw)
To: glibc-bugs
------- Additional Comments From drepper at redhat dot com 2009-07-23 19:39 -------
Applied.
--
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution| |FIXED
http://sourceware.org/bugzilla/show_bug.cgi?id=10416
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* [Bug libc/10416] bug-atexit3-lib.cc build failure with g++ 4.5.0 (and fix)
[not found] <bug-10416-131@http.sourceware.org/bugzilla/>
@ 2014-07-01 7:44 ` fweimer at redhat dot com
0 siblings, 0 replies; 3+ messages in thread
From: fweimer at redhat dot com @ 2014-07-01 7:44 UTC (permalink / raw)
To: glibc-bugs
https://sourceware.org/bugzilla/show_bug.cgi?id=10416
Florian Weimer <fweimer at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Flags| |security-
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2009-07-19 20:26 [Bug libc/10416] New: bug-atexit3-lib.cc build failure with g++ 4.5.0 (and fix) dps at simpson dot demon dot co dot uk
2009-07-23 19:40 ` [Bug libc/10416] " drepper at redhat dot com
[not found] <bug-10416-131@http.sourceware.org/bugzilla/>
2014-07-01 7:44 ` fweimer at redhat dot com
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