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From 43c2948756bb6e144c7b871e827bba37d61ad3a3 Mon Sep 17 00:00:00 2001
From: Aurelien Jarno <aurelien@aurel32.net>
Date: Sat, 18 Jun 2016 19:11:23 +0200
Subject: [PATCH] MIPS, SPARC: fix wrong vfork aliases in libpthread.so
With recent binutils versions the GNU libc fails to build on at least
MISP and SPARC, with this kind of error:
/home/aurel32/glibc/glibc-build/nptl/libpthread.so:(*IND*+0x0): multiple definition of `vfork@GLIBC_2.0'
/home/aurel32/glibc/glibc-build/nptl/libpthread.so::(.text+0xee50): first defined here
It appears that on these architectures pt-vfork.S includes vfork.S
(through the alpha version of pt-vfork.S) and that the __vfork aliases
are not conditionalized on IS_IN (libc) like on other architectures.
Therefore the aliases are also wrongly included in libpthread.so.
Fix this by properly conditionalizing the aliases like on other
architectures.
Changelog:
* sysdeps/unix/sysv/linux/mips/vfork.S (__vfork): Conditionalize
hidden_def, weak_alias and strong_alias on [IS_IN (libc)].
* sysdeps/unix/sysv/linux/sparc/sparc32/vfork.S: Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc64/vfork.S: Likewise.
[Vincent: do not patch ChangeLog]
Signed-off-by: Vicente Olivert Riera <Vincent.Riera@imgtec.com>
---
sysdeps/unix/sysv/linux/mips/vfork.S | 2 ++
sysdeps/unix/sysv/linux/sparc/sparc32/vfork.S | 2 ++
sysdeps/unix/sysv/linux/sparc/sparc64/vfork.S | 2 ++
3 files changed, 6 insertions(+)
diff --git a/sysdeps/unix/sysv/linux/mips/vfork.S b/sysdeps/unix/sysv/linux/mips/vfork.S
index 8c66151..c0c0ce6 100644
--- a/sysdeps/unix/sysv/linux/mips/vfork.S
+++ b/sysdeps/unix/sysv/linux/mips/vfork.S
@@ -106,6 +106,8 @@ L(error):
#endif
END(__vfork)
+#if IS_IN (libc)
libc_hidden_def(__vfork)
weak_alias (__vfork, vfork)
strong_alias (__vfork, __libc_vfork)
+#endif
diff --git a/sysdeps/unix/sysv/linux/sparc/sparc32/vfork.S b/sysdeps/unix/sysv/linux/sparc/sparc32/vfork.S
index dc32e0a..94f2c8d 100644
--- a/sysdeps/unix/sysv/linux/sparc/sparc32/vfork.S
+++ b/sysdeps/unix/sysv/linux/sparc/sparc32/vfork.S
@@ -44,6 +44,8 @@ ENTRY(__vfork)
nop
END(__vfork)
+#if IS_IN (libc)
libc_hidden_def (__vfork)
weak_alias (__vfork, vfork)
strong_alias (__vfork, __libc_vfork)
+#endif
diff --git a/sysdeps/unix/sysv/linux/sparc/sparc64/vfork.S b/sysdeps/unix/sysv/linux/sparc/sparc64/vfork.S
index 05be3c2..a7479e9 100644
--- a/sysdeps/unix/sysv/linux/sparc/sparc64/vfork.S
+++ b/sysdeps/unix/sysv/linux/sparc/sparc64/vfork.S
@@ -44,6 +44,8 @@ ENTRY(__vfork)
nop
END(__vfork)
+#if IS_IN (libc)
libc_hidden_def (__vfork)
weak_alias (__vfork, vfork)
strong_alias (__vfork, __libc_vfork)
+#endif
--
2.7.3
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