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From: Yann E. MORIN <yann.morin.1998@free.fr>
To: buildroot@busybox.net
Subject: [Buildroot] [PATCH 01/15] package/glibc/arc: fix build issue with gcc-9.1
Date: Mon, 6 May 2019 21:40:49 +0200	[thread overview]
Message-ID: <20190506194049.GA6887@scaer> (raw)
In-Reply-To: <20190506183011.4856-2-romain.naour@gmail.com>

Romain, All,

On 2019-05-06 20:29 +0200, Romain Naour spake thusly:
> Backport from upstream [1] to fix build issue with glibc arc-2018.09-release
> (based on glibc 2.28) and gcc 9.1 [2]]
> 
> Using glibc arc-2.29-2019.02.08 or the upcoming arc-2019.03 release include
> this patch.

So, here is a small summary of my discussion with Romain on IRC:

  - this patch touches mostly x86_64 files, so I was puzzled why it had
    to be applied to the arc fork;

  - however, that patch also touxphces teo generic headers; in there the
    new __attribute_copy__() macro is defined *and* used to complement
    existing attribute-related macros.

So, it is not much the x86_64 part we're interested in, but the generic
two headers, which changes percolate to the various functions via the
various attribute macros...

So, for other reviewers: just ignore the x86_64 part.

Romain: what do you think about this: remove those x86_64 files from the
patch, and update the soh-line as... (see below)

> [1] https://sourceware.org/git/?p=glibc.git;a=commit;h=1626a1cfcd6ba1cc64721be1036c2873211d499b
> [2] https://gitlab.com/kubu93/toolchains-builder/-/jobs/205435682
> 
> Signed-off-by: Romain Naour <romain.naour@gmail.com>
> Cc: Alexey Brodkin <alexey.brodkin@synopsys.com>
> Cc: Evgeniy Didin <Evgeniy.Didin@synopsys.com>
> Cc: Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com>
> ---
>  ...0001-Add-support-for-GCC-9-attribute-copy.patch | 402 +++++++++++++++++++++
>  1 file changed, 402 insertions(+)
>  create mode 100644 package/glibc/arc-2018.09-release/0001-Add-support-for-GCC-9-attribute-copy.patch
> 
> diff --git a/package/glibc/arc-2018.09-release/0001-Add-support-for-GCC-9-attribute-copy.patch b/package/glibc/arc-2018.09-release/0001-Add-support-for-GCC-9-attribute-copy.patch
> new file mode 100644
> index 0000000000..635ba97ec3
> --- /dev/null
> +++ b/package/glibc/arc-2018.09-release/0001-Add-support-for-GCC-9-attribute-copy.patch
> @@ -0,0 +1,402 @@
> +From 79937801dfe4d86f0cc813ab41dd541ad729a267 Mon Sep 17 00:00:00 2001
> +From: Martin Sebor <msebor@redhat.com>
> +Date: Fri, 9 Nov 2018 17:24:12 -0700
> +Subject: [PATCH] Add support for GCC 9 attribute copy.
[--SNIP--]
> +[Romain:
> +    Backport from upstream [1] to fix build issue with glibc arc-2018.09-release
> +    (based on glibc 2.28) and gcc 9.1 [2]]

Here also add;

    [Romain:
      - Backport from upstream [1] to fix build issue with glibc arc-2018.09-release
        (based on glibc 2.28) and gcc 9.1 [2]]
      - Also drop the x86-64 related hunks to avoid confusion.
    ]

Regards,
Yann E. MORIN.

> +Using glibc arc-2.29-2019.02.08 or the upcoming arc-2019.03 release include this patch.
> +
> +[1] https://sourceware.org/git/?p=glibc.git;a=commit;h=1626a1cfcd6ba1cc64721be1036c2873211d499b
> +[2] https://gitlab.com/kubu93/toolchains-builder/-/jobs/205435682
> +
> +Signed-off-by: Romain Naour <romain.naour@gmail.com>
> +Cc: Alexey Brodkin <alexey.brodkin@synopsys.com>
> +Cc: Evgeniy Didin <Evgeniy.Didin@synopsys.com>
> +Cc: Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com>
> +---
> + include/libc-symbols.h             | 20 +++++++++++++++-----
> + misc/sys/cdefs.h                   | 10 ++++++++++
> + sysdeps/x86_64/multiarch/memchr.c  |  2 +-
> + sysdeps/x86_64/multiarch/memcmp.c  |  2 +-
> + sysdeps/x86_64/multiarch/mempcpy.c |  4 ++--
> + sysdeps/x86_64/multiarch/memset.c  |  2 +-
> + sysdeps/x86_64/multiarch/stpcpy.c  |  4 ++--
> + sysdeps/x86_64/multiarch/strcat.c  |  2 +-
> + sysdeps/x86_64/multiarch/strchr.c  |  2 +-
> + sysdeps/x86_64/multiarch/strcmp.c  |  2 +-
> + sysdeps/x86_64/multiarch/strcpy.c  |  2 +-
> + sysdeps/x86_64/multiarch/strcspn.c |  2 +-
> + sysdeps/x86_64/multiarch/strlen.c  |  2 +-
> + sysdeps/x86_64/multiarch/strncat.c |  2 +-
> + sysdeps/x86_64/multiarch/strncmp.c |  2 +-
> + sysdeps/x86_64/multiarch/strncpy.c |  2 +-
> + sysdeps/x86_64/multiarch/strnlen.c |  4 ++--
> + sysdeps/x86_64/multiarch/strpbrk.c |  2 +-
> + sysdeps/x86_64/multiarch/strrchr.c |  2 +-
> + sysdeps/x86_64/multiarch/strspn.c  |  2 +-
> + 20 files changed, 46 insertions(+), 26 deletions(-)
> +
> +diff --git a/include/libc-symbols.h b/include/libc-symbols.h
> +index 8b9273c13a..e71a479e84 100644
> +--- a/include/libc-symbols.h
> ++++ b/include/libc-symbols.h
> +@@ -125,6 +125,11 @@
> + # define ASM_LINE_SEP ;
> + #endif
> + 
> ++#ifndef __attribute_copy__
> ++/* Provide an empty definition when cdefs.h is not included.  */
> ++# define __attribute_copy__(arg)
> ++#endif
> ++
> + #ifndef __ASSEMBLER__
> + /* GCC understands weak symbols and aliases; use its interface where
> +    possible, instead of embedded assembly language.  */
> +@@ -132,7 +137,8 @@
> + /* Define ALIASNAME as a strong alias for NAME.  */
> + # define strong_alias(name, aliasname) _strong_alias(name, aliasname)
> + # define _strong_alias(name, aliasname) \
> +-  extern __typeof (name) aliasname __attribute__ ((alias (#name)));
> ++  extern __typeof (name) aliasname __attribute__ ((alias (#name))) \
> ++    __attribute_copy__ (name);
> + 
> + /* This comes between the return type and function name in
> +    a function definition to make that definition weak.  */
> +@@ -143,14 +149,16 @@
> +    If weak aliases are not available, this defines a strong alias.  */
> + # define weak_alias(name, aliasname) _weak_alias (name, aliasname)
> + # define _weak_alias(name, aliasname) \
> +-  extern __typeof (name) aliasname __attribute__ ((weak, alias (#name)));
> ++  extern __typeof (name) aliasname __attribute__ ((weak, alias (#name))) \
> ++    __attribute_copy__ (name);
> + 
> + /* Same as WEAK_ALIAS, but mark symbol as hidden.  */
> + # define weak_hidden_alias(name, aliasname) \
> +   _weak_hidden_alias (name, aliasname)
> + # define _weak_hidden_alias(name, aliasname) \
> +   extern __typeof (name) aliasname \
> +-    __attribute__ ((weak, alias (#name), __visibility__ ("hidden")));
> ++    __attribute__ ((weak, alias (#name), __visibility__ ("hidden"))) \
> ++    __attribute_copy__ (name);
> + 
> + /* Declare SYMBOL as weak undefined symbol (resolved to 0 if not defined).  */
> + # define weak_extern(symbol) _weak_extern (weak symbol)
> +@@ -532,7 +540,8 @@ for linking")
> + #  define __hidden_ver1(local, internal, name) \
> +   extern __typeof (name) __EI_##name __asm__(__hidden_asmname (#internal)); \
> +   extern __typeof (name) __EI_##name \
> +-	__attribute__((alias (__hidden_asmname (#local))))
> ++    __attribute__((alias (__hidden_asmname (#local))))	\
> ++    __attribute_copy__ (name)
> + #  define hidden_ver(local, name)	__hidden_ver1(local, __GI_##name, name);
> + #  define hidden_data_ver(local, name)	hidden_ver(local, name)
> + #  define hidden_def(name)		__hidden_ver1(__GI_##name, name, name);
> +@@ -545,7 +554,8 @@ for linking")
> + #  define __hidden_nolink1(local, internal, name, version) \
> +   __hidden_nolink2 (local, internal, name, version)
> + #  define __hidden_nolink2(local, internal, name, version) \
> +-  extern __typeof (name) internal __attribute__ ((alias (#local))); \
> ++  extern __typeof (name) internal __attribute__ ((alias (#local)))	\
> ++    __attribute_copy__ (name);						\
> +   __hidden_nolink3 (local, internal, #name "@" #version)
> + #  define __hidden_nolink3(local, internal, vername) \
> +   __asm__ (".symver " #internal ", " vername);
> +diff --git a/misc/sys/cdefs.h b/misc/sys/cdefs.h
> +index 3f6fe3cc85..8d585680a6 100644
> +--- a/misc/sys/cdefs.h
> ++++ b/misc/sys/cdefs.h
> +@@ -431,6 +431,16 @@
> + # define __attribute_nonstring__
> + #endif
> + 
> ++/* Undefine (also defined in libc-symbols.h).  */
> ++#undef __attribute_copy__
> ++#if __GNUC_PREREQ (9, 0)
> ++/* Copies attributes from the declaration or type referenced by
> ++   the argument.  */
> ++# define __attribute_copy__(arg) __attribute__ ((__copy__ (arg)))
> ++#else
> ++# define __attribute_copy__(arg)
> ++#endif
> ++
> + #if (!defined _Static_assert && !defined __cplusplus \
> +      && (defined __STDC_VERSION__ ? __STDC_VERSION__ : 0) < 201112 \
> +      && (!__GNUC_PREREQ (4, 6) || defined __STRICT_ANSI__))
> +diff --git a/sysdeps/x86_64/multiarch/memchr.c b/sysdeps/x86_64/multiarch/memchr.c
> +index 016f57846a..372dd7784a 100644
> +--- a/sysdeps/x86_64/multiarch/memchr.c
> ++++ b/sysdeps/x86_64/multiarch/memchr.c
> +@@ -30,6 +30,6 @@ libc_ifunc_redirected (__redirect_memchr, memchr, IFUNC_SELECTOR ());
> + strong_alias (memchr, __memchr)
> + # ifdef SHARED
> + __hidden_ver1 (memchr, __GI_memchr, __redirect_memchr)
> +-  __attribute__((visibility ("hidden")));
> ++  __attribute__((visibility ("hidden"))) __attribute_copy__ (memchr);
> + # endif
> + #endif
> +diff --git a/sysdeps/x86_64/multiarch/memcmp.c b/sysdeps/x86_64/multiarch/memcmp.c
> +index 6f3ca43128..bbd3b01ed8 100644
> +--- a/sysdeps/x86_64/multiarch/memcmp.c
> ++++ b/sysdeps/x86_64/multiarch/memcmp.c
> +@@ -32,6 +32,6 @@ weak_alias (memcmp, bcmp)
> + 
> + # ifdef SHARED
> + __hidden_ver1 (memcmp, __GI_memcmp, __redirect_memcmp)
> +-  __attribute__ ((visibility ("hidden")));
> ++  __attribute__ ((visibility ("hidden"))) __attribute_copy__ (memcmp);
> + # endif
> + #endif
> +diff --git a/sysdeps/x86_64/multiarch/mempcpy.c b/sysdeps/x86_64/multiarch/mempcpy.c
> +index 9fe41dda82..d2f7928ae4 100644
> +--- a/sysdeps/x86_64/multiarch/mempcpy.c
> ++++ b/sysdeps/x86_64/multiarch/mempcpy.c
> +@@ -35,8 +35,8 @@ libc_ifunc_redirected (__redirect_mempcpy, __mempcpy, IFUNC_SELECTOR ());
> + weak_alias (__mempcpy, mempcpy)
> + # ifdef SHARED
> + __hidden_ver1 (__mempcpy, __GI___mempcpy, __redirect___mempcpy)
> +-  __attribute__ ((visibility ("hidden")));
> ++  __attribute__ ((visibility ("hidden"))) __attribute_copy__ (mempcpy);
> + __hidden_ver1 (mempcpy, __GI_mempcpy, __redirect_mempcpy)
> +-  __attribute__ ((visibility ("hidden")));
> ++  __attribute__ ((visibility ("hidden"))) __attribute_copy__ (mempcpy);
> + # endif
> + #endif
> +diff --git a/sysdeps/x86_64/multiarch/memset.c b/sysdeps/x86_64/multiarch/memset.c
> +index 064841d5fc..4b8f57ffaa 100644
> +--- a/sysdeps/x86_64/multiarch/memset.c
> ++++ b/sysdeps/x86_64/multiarch/memset.c
> +@@ -30,6 +30,6 @@ libc_ifunc_redirected (__redirect_memset, memset, IFUNC_SELECTOR ());
> + 
> + # ifdef SHARED
> + __hidden_ver1 (memset, __GI_memset, __redirect_memset)
> +-  __attribute__ ((visibility ("hidden")));
> ++  __attribute__ ((visibility ("hidden"))) __attribute_copy__ (memset);
> + # endif
> + #endif
> +diff --git a/sysdeps/x86_64/multiarch/stpcpy.c b/sysdeps/x86_64/multiarch/stpcpy.c
> +index 1e340fca99..f74a54b153 100644
> +--- a/sysdeps/x86_64/multiarch/stpcpy.c
> ++++ b/sysdeps/x86_64/multiarch/stpcpy.c
> +@@ -35,8 +35,8 @@ libc_ifunc_redirected (__redirect_stpcpy, __stpcpy, IFUNC_SELECTOR ());
> + weak_alias (__stpcpy, stpcpy)
> + # ifdef SHARED
> + __hidden_ver1 (__stpcpy, __GI___stpcpy, __redirect___stpcpy)
> +-  __attribute__ ((visibility ("hidden")));
> ++  __attribute__ ((visibility ("hidden"))) __attribute_copy__ (stpcpy);
> + __hidden_ver1 (stpcpy, __GI_stpcpy, __redirect_stpcpy)
> +-  __attribute__ ((visibility ("hidden")));
> ++  __attribute__ ((visibility ("hidden"))) __attribute_copy__ (stpcpy);
> + # endif
> + #endif
> +diff --git a/sysdeps/x86_64/multiarch/strcat.c b/sysdeps/x86_64/multiarch/strcat.c
> +index 1f7f6263f3..1922c0a0da 100644
> +--- a/sysdeps/x86_64/multiarch/strcat.c
> ++++ b/sysdeps/x86_64/multiarch/strcat.c
> +@@ -30,6 +30,6 @@ libc_ifunc_redirected (__redirect_strcat, strcat, IFUNC_SELECTOR ());
> + 
> + # ifdef SHARED
> + __hidden_ver1 (strcat, __GI_strcat, __redirect_strcat)
> +-  __attribute__ ((visibility ("hidden")));
> ++  __attribute__ ((visibility ("hidden"))) __attribute_copy__ (strcat);
> + # endif
> + #endif
> +diff --git a/sysdeps/x86_64/multiarch/strchr.c b/sysdeps/x86_64/multiarch/strchr.c
> +index 76d64fb378..87e99ba82a 100644
> +--- a/sysdeps/x86_64/multiarch/strchr.c
> ++++ b/sysdeps/x86_64/multiarch/strchr.c
> +@@ -50,6 +50,6 @@ libc_ifunc_redirected (__redirect_strchr, strchr, IFUNC_SELECTOR ());
> + weak_alias (strchr, index)
> + # ifdef SHARED
> + __hidden_ver1 (strchr, __GI_strchr, __redirect_strchr)
> +-  __attribute__((visibility ("hidden")));
> ++  __attribute__((visibility ("hidden"))) __attribute_copy__ (strchr);
> + # endif
> + #endif
> +diff --git a/sysdeps/x86_64/multiarch/strcmp.c b/sysdeps/x86_64/multiarch/strcmp.c
> +index b903e418df..e3cf39d2c5 100644
> +--- a/sysdeps/x86_64/multiarch/strcmp.c
> ++++ b/sysdeps/x86_64/multiarch/strcmp.c
> +@@ -54,6 +54,6 @@ libc_ifunc_redirected (__redirect_strcmp, strcmp, IFUNC_SELECTOR ());
> + 
> + # ifdef SHARED
> + __hidden_ver1 (strcmp, __GI_strcmp, __redirect_strcmp)
> +-  __attribute__ ((visibility ("hidden")));
> ++  __attribute__ ((visibility ("hidden"))) __attribute_copy__ (strcmp);
> + # endif
> + #endif
> +diff --git a/sysdeps/x86_64/multiarch/strcpy.c b/sysdeps/x86_64/multiarch/strcpy.c
> +index 12e0e3ffe2..ce819dd232 100644
> +--- a/sysdeps/x86_64/multiarch/strcpy.c
> ++++ b/sysdeps/x86_64/multiarch/strcpy.c
> +@@ -30,6 +30,6 @@ libc_ifunc_redirected (__redirect_strcpy, strcpy, IFUNC_SELECTOR ());
> + 
> + # ifdef SHARED
> + __hidden_ver1 (strcpy, __GI_strcpy, __redirect_strcpy)
> +-  __attribute__ ((visibility ("hidden")));
> ++  __attribute__ ((visibility ("hidden"))) __attribute_copy__ (strcpy);
> + # endif
> + #endif
> +diff --git a/sysdeps/x86_64/multiarch/strcspn.c b/sysdeps/x86_64/multiarch/strcspn.c
> +index 9712e8410c..9d9652627c 100644
> +--- a/sysdeps/x86_64/multiarch/strcspn.c
> ++++ b/sysdeps/x86_64/multiarch/strcspn.c
> +@@ -30,6 +30,6 @@ libc_ifunc_redirected (__redirect_strcspn, strcspn, IFUNC_SELECTOR ());
> + 
> + # ifdef SHARED
> + __hidden_ver1 (strcspn, __GI_strcspn, __redirect_strcspn)
> +-  __attribute__ ((visibility ("hidden")));
> ++  __attribute__ ((visibility ("hidden"))) __attribute_copy__ (strcspn);
> + # endif
> + #endif
> +diff --git a/sysdeps/x86_64/multiarch/strlen.c b/sysdeps/x86_64/multiarch/strlen.c
> +index 1758d22b8f..a2307409d9 100644
> +--- a/sysdeps/x86_64/multiarch/strlen.c
> ++++ b/sysdeps/x86_64/multiarch/strlen.c
> +@@ -29,6 +29,6 @@
> + libc_ifunc_redirected (__redirect_strlen, strlen, IFUNC_SELECTOR ());
> + # ifdef SHARED
> + __hidden_ver1 (strlen, __GI_strlen, __redirect_strlen)
> +-  __attribute__((visibility ("hidden")));
> ++  __attribute__((visibility ("hidden"))) __attribute_copy__ (strlen);
> + # endif
> + #endif
> +diff --git a/sysdeps/x86_64/multiarch/strncat.c b/sysdeps/x86_64/multiarch/strncat.c
> +index 841c165565..2546277450 100644
> +--- a/sysdeps/x86_64/multiarch/strncat.c
> ++++ b/sysdeps/x86_64/multiarch/strncat.c
> +@@ -30,6 +30,6 @@ libc_ifunc_redirected (__redirect_strncat, strncat, IFUNC_SELECTOR ());
> + strong_alias (strncat, __strncat);
> + # ifdef SHARED
> + __hidden_ver1 (strncat, __GI___strncat, __redirect_strncat)
> +-  __attribute__((visibility ("hidden")));
> ++  __attribute__((visibility ("hidden"))) __attribute_copy__ (strncat);
> + # endif
> + #endif
> +diff --git a/sysdeps/x86_64/multiarch/strncmp.c b/sysdeps/x86_64/multiarch/strncmp.c
> +index 02b6d0b6f5..32f5c6c6c7 100644
> +--- a/sysdeps/x86_64/multiarch/strncmp.c
> ++++ b/sysdeps/x86_64/multiarch/strncmp.c
> +@@ -55,6 +55,6 @@ libc_ifunc_redirected (__redirect_strncmp, strncmp, IFUNC_SELECTOR ());
> + 
> + # ifdef SHARED
> + __hidden_ver1 (strncmp, __GI_strncmp, __redirect_strncmp)
> +-  __attribute__ ((visibility ("hidden")));
> ++  __attribute__ ((visibility ("hidden"))) __attribute_copy__ (strncmp);
> + # endif
> + #endif
> +diff --git a/sysdeps/x86_64/multiarch/strncpy.c b/sysdeps/x86_64/multiarch/strncpy.c
> +index 3c3de8b18e..37aae2c3ba 100644
> +--- a/sysdeps/x86_64/multiarch/strncpy.c
> ++++ b/sysdeps/x86_64/multiarch/strncpy.c
> +@@ -30,6 +30,6 @@ libc_ifunc_redirected (__redirect_strncpy, strncpy, IFUNC_SELECTOR ());
> + 
> + # ifdef SHARED
> + __hidden_ver1 (strncpy, __GI_strncpy, __redirect_strncpy)
> +-  __attribute__ ((visibility ("hidden")));
> ++  __attribute__ ((visibility ("hidden"))) __attribute_copy__ (strncpy);
> + # endif
> + #endif
> +diff --git a/sysdeps/x86_64/multiarch/strnlen.c b/sysdeps/x86_64/multiarch/strnlen.c
> +index 3ab94ce230..9d64335fc2 100644
> +--- a/sysdeps/x86_64/multiarch/strnlen.c
> ++++ b/sysdeps/x86_64/multiarch/strnlen.c
> +@@ -32,8 +32,8 @@ libc_ifunc_redirected (__redirect_strnlen, __strnlen, IFUNC_SELECTOR ());
> + weak_alias (__strnlen, strnlen);
> + # ifdef SHARED
> + __hidden_ver1 (__strnlen, __GI___strnlen, __redirect___strnlen)
> +-  __attribute__((visibility ("hidden")));
> ++  __attribute__((visibility ("hidden"))) __attribute_copy__ (strnlen);
> + __hidden_ver1 (strnlen, __GI_strnlen, __redirect_strnlen)
> +-  __attribute__((weak, visibility ("hidden")));
> ++  __attribute__((weak, visibility ("hidden"))) __attribute_copy__ (strnlen);
> + # endif
> + #endif
> +diff --git a/sysdeps/x86_64/multiarch/strpbrk.c b/sysdeps/x86_64/multiarch/strpbrk.c
> +index a0d435a504..f1103678b6 100644
> +--- a/sysdeps/x86_64/multiarch/strpbrk.c
> ++++ b/sysdeps/x86_64/multiarch/strpbrk.c
> +@@ -30,6 +30,6 @@ libc_ifunc_redirected (__redirect_strpbrk, strpbrk, IFUNC_SELECTOR ());
> + 
> + # ifdef SHARED
> + __hidden_ver1 (strpbrk, __GI_strpbrk, __redirect_strpbrk)
> +-  __attribute__ ((visibility ("hidden")));
> ++  __attribute__ ((visibility ("hidden"))) __attribute_copy__ (strpbrk);
> + # endif
> + #endif
> +diff --git a/sysdeps/x86_64/multiarch/strrchr.c b/sysdeps/x86_64/multiarch/strrchr.c
> +index a719edde10..ba7458a7d6 100644
> +--- a/sysdeps/x86_64/multiarch/strrchr.c
> ++++ b/sysdeps/x86_64/multiarch/strrchr.c
> +@@ -29,6 +29,6 @@ libc_ifunc_redirected (__redirect_strrchr, strrchr, IFUNC_SELECTOR ());
> + weak_alias (strrchr, rindex);
> + # ifdef SHARED
> + __hidden_ver1 (strrchr, __GI_strrchr, __redirect_strrchr)
> +-  __attribute__((visibility ("hidden")));
> ++  __attribute__((visibility ("hidden"))) __attribute_copy__ (strrchr);
> + # endif
> + #endif
> +diff --git a/sysdeps/x86_64/multiarch/strspn.c b/sysdeps/x86_64/multiarch/strspn.c
> +index 56ab4d9558..5b9654e16c 100644
> +--- a/sysdeps/x86_64/multiarch/strspn.c
> ++++ b/sysdeps/x86_64/multiarch/strspn.c
> +@@ -30,6 +30,6 @@ libc_ifunc_redirected (__redirect_strspn, strspn, IFUNC_SELECTOR ());
> + 
> + # ifdef SHARED
> + __hidden_ver1 (strspn, __GI_strspn, __redirect_strspn)
> +-  __attribute__ ((visibility ("hidden")));
> ++  __attribute__ ((visibility ("hidden"))) __attribute_copy__ (strspn);
> + # endif
> + #endif
> +-- 
> +2.14.5
> +
> -- 
> 2.14.5
> 
> _______________________________________________
> buildroot mailing list
> buildroot at busybox.net
> http://lists.busybox.net/mailman/listinfo/buildroot

-- 
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  reply	other threads:[~2019-05-06 19:40 UTC|newest]

Thread overview: 29+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-05-06 18:29 [Buildroot] [PATCH 00/15] Add gcc 9.1 Romain Naour
2019-05-06 18:29 ` [Buildroot] [PATCH 01/15] package/glibc/arc: fix build issue with gcc-9.1 Romain Naour
2019-05-06 19:40   ` Yann E. MORIN [this message]
2019-05-08 11:12     ` Alexey Brodkin
2019-05-08 13:27       ` Romain Naour
2019-05-08 14:05         ` Alexey Brodkin
2019-05-06 18:29 ` [Buildroot] [PATCH 02/15] board/qemu/ppc*: disable Werror while building ppc kernel with gcc >= 9.1 Romain Naour
2019-05-06 19:49   ` Yann E. MORIN
2019-05-06 19:57     ` Romain Naour
2019-05-06 20:01       ` Yann E. MORIN
2019-05-07  8:26         ` Romain Naour
2019-05-08 12:01           ` Yann E. MORIN
2019-05-08 13:29             ` Romain Naour
2019-05-06 18:29 ` [Buildroot] [PATCH 03/15] [RFC] package/uclibc: remove asm constraint Romain Naour
2019-05-06 18:30 ` [Buildroot] [PATCH 04/15] arch: add BR2_ARCH_NEEDS_GCC_AT_LEAST_9 Romain Naour
2019-05-06 20:07   ` Yann E. MORIN
2019-05-06 18:30 ` [Buildroot] [PATCH 05/15] toolchain: add gcc 9 entry Romain Naour
2019-05-06 18:30 ` [Buildroot] [PATCH 06/15] package/gcc: add support for gcc 9.1 Romain Naour
2019-05-06 20:09   ` Yann E. MORIN
2019-05-06 18:30 ` [Buildroot] [PATCH 07/15] toolchain-external: add gcc 9 entry Romain Naour
2019-05-06 18:30 ` [Buildroot] [PATCH 08/15] package/gcc: switch to gcc 8.x as the default Romain Naour
2019-05-06 20:15   ` Yann E. MORIN
2019-05-06 18:30 ` [Buildroot] [PATCH 09/15] arch/arm: move dependency on 64-bit down to individual cores Romain Naour
2019-05-06 18:30 ` [Buildroot] [PATCH 10/15] arch/arm: some cores have a different name with gcc-9 Romain Naour
2019-05-06 18:30 ` [Buildroot] [PATCH 11/15] arch/arm: saphira is in fact an armv8.4a Romain Naour
2019-05-06 18:30 ` [Buildroot] [PATCH 12/15] arch/arm: add two new 64-bit-only armv8a cores Romain Naour
2019-05-06 18:30 ` [Buildroot] [PATCH 13/15] arch/arm: add two new cortex-based armv8.2a cores Romain Naour
2019-05-06 18:30 ` [Buildroot] [PATCH 14/15] arch/arm: add two new non-cortex-based " Romain Naour
2019-05-06 18:30 ` [Buildroot] [PATCH 15/15] package/gcc: enable gcc 9.1 for ork1 (openrisc) Romain Naour

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