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glibc: remove version choice

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We do not support uClibc-ng/musl C library version choice support,
do the same for GNU C Library.
No legacy handling required as only version choice is removed.

Signed-off-by: Waldemar Brodkorb <wbx@openadk.org>
Reviewed-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>
[Thomas: move 3.2 kernel headers dependency to the libc choice in
toolchain/toolchain-buildroot/Config.in file, and added a Config.in
comment about it.]
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
This commit is contained in:
Waldemar Brodkorb 2017-06-10 22:53:37 +02:00 committed by Thomas Petazzoni
parent 5f79e69202
commit b1ca91c59d
11 changed files with 4 additions and 478 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

0
package/glibc/2.25/0001-sh-Fix-building-with-gcc5-6.patch → package/glibc/0001-sh-Fix-building-with-gcc5-6.patch
View File

47
package/glibc/2.23/0001-fix-CVE-2016-3075.patch
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@ -1,47 +0,0 @@
From 146b58d11fddbef15b888906e3be4f33900c416f Mon Sep 17 00:00:00 2001
From: Florian Weimer <fweimer@redhat.com>
Date: Tue, 29 Mar 2016 12:57:56 +0200
Subject: [PATCH 1/1] CVE-2016-3075: Stack overflow in _nss_dns_getnetbyname_r [BZ #19879]
The defensive copy is not needed because the name may not alias the
output buffer.
(cherry picked from commit 317b199b4aff8cfa27f2302ab404d2bb5032b9a4)
(cherry picked from commit 883dceebc8f11921a9890211a4e202e5be17562f)
Signed-off-by: Bernd Kuhls <bernd.kuhls@t-online.de>
(downloaded from upstream git repo and removed changes to files
Changelog and NEWS:
https://sourceware.org/git/gitweb.cgi?p=glibc.git;a=commitdiff;h=146b58d11fddbef15b888906e3be4f33900c416f;hp=0eb234232eaf925fe4dca3bd60a3e1b4a7ab2882)
---
ChangeLog | 7 +++++++
NEWS | 10 ++++++++--
resolv/nss_dns/dns-network.c | 5 +----
3 files changed, 16 insertions(+), 6 deletions(-)
diff --git a/resolv/nss_dns/dns-network.c b/resolv/nss_dns/dns-network.c
index 2eb2f67..8f301a7 100644
--- a/resolv/nss_dns/dns-network.c
+++ b/resolv/nss_dns/dns-network.c
@@ -118,17 +118,14 @@ _nss_dns_getnetbyname_r (const char *name, struct netent *result,
} net_buffer;
querybuf *orig_net_buffer;
int anslen;
- char *qbuf;
enum nss_status status;
if (__res_maybe_init (&_res, 0) == -1)
return NSS_STATUS_UNAVAIL;
- qbuf = strdupa (name);
-
net_buffer.buf = orig_net_buffer = (querybuf *) alloca (1024);
- anslen = __libc_res_nsearch (&_res, qbuf, C_IN, T_PTR, net_buffer.buf->buf,
+ anslen = __libc_res_nsearch (&_res, name, C_IN, T_PTR, net_buffer.buf->buf,
1024, &net_buffer.ptr, NULL, NULL, NULL, NULL);
if (anslen < 0)
{
--
1.7.1

88
package/glibc/2.23/0002-gcc6.patch
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@ -1,88 +0,0 @@
From 5769d5d17cdb4770f1e08167b76c1684ad4e1f73 Mon Sep 17 00:00:00 2001
From: Yvan Roux <yvan.roux@linaro.org>
Date: Fri, 15 Apr 2016 13:29:26 +0200
Subject: [PATCH 1/1] Suppress GCC 6 warning about ambiguous 'else' with -Wparentheses
(cherry picked from commit df1cf48777fe4cd81ad7fb09ecbe5b31432b7c1c)
Signed-off-by: Bernd Kuhls <bernd.kuhls@t-online.de>
(downloaded from upstream git repo and removed changes to Changelog:
https://sourceware.org/git/gitweb.cgi?p=glibc.git;a=commitdiff;h=5769d5d17cdb4770f1e08167b76c1684ad4e1f73;hp=f1e182acaaa84e844eb96462a92ba532e1c1fff4)
---
ChangeLog | 5 +++++
nis/nis_call.c | 20 +++++++++++---------
stdlib/setenv.c | 26 ++++++++++++++------------
3 files changed, 30 insertions(+), 21 deletions(-)
diff --git a/nis/nis_call.c b/nis/nis_call.c
index 3fa37e4..cb7839a 100644
--- a/nis/nis_call.c
+++ b/nis/nis_call.c
@@ -680,16 +680,18 @@ nis_server_cache_add (const_nis_name name, int search_parent,
/* Choose which entry should be evicted from the cache. */
loc = &nis_server_cache[0];
if (*loc != NULL)
- for (i = 1; i < 16; ++i)
- if (nis_server_cache[i] == NULL)
- {
+ {
+ for (i = 1; i < 16; ++i)
+ if (nis_server_cache[i] == NULL)
+ {
+ loc = &nis_server_cache[i];
+ break;
+ }
+ else if ((*loc)->uses > nis_server_cache[i]->uses
+ || ((*loc)->uses == nis_server_cache[i]->uses
+ && (*loc)->expires > nis_server_cache[i]->expires))
loc = &nis_server_cache[i];
- break;
- }
- else if ((*loc)->uses > nis_server_cache[i]->uses
- || ((*loc)->uses == nis_server_cache[i]->uses
- && (*loc)->expires > nis_server_cache[i]->expires))
- loc = &nis_server_cache[i];
+ }
old = *loc;
*loc = new;
diff --git a/stdlib/setenv.c b/stdlib/setenv.c
index da61ee0..e66045f 100644
--- a/stdlib/setenv.c
+++ b/stdlib/setenv.c
@@ -278,18 +278,20 @@ unsetenv (const char *name)
ep = __environ;
if (ep != NULL)
while (*ep != NULL)
- if (!strncmp (*ep, name, len) && (*ep)[len] == '=')
- {
- /* Found it. Remove this pointer by moving later ones back. */
- char **dp = ep;
-
- do
- dp[0] = dp[1];
- while (*dp++);
- /* Continue the loop in case NAME appears again. */
- }
- else
- ++ep;
+ {
+ if (!strncmp (*ep, name, len) && (*ep)[len] == '=')
+ {
+ /* Found it. Remove this pointer by moving later ones back. */
+ char **dp = ep;
+
+ do
+ dp[0] = dp[1];
+ while (*dp++);
+ /* Continue the loop in case NAME appears again. */
+ }
+ else
+ ++ep;
+ }
UNLOCK;
--
1.7.1

76
package/glibc/2.23/0003-MIPS-SPARC-fix-wrong-vfork-aliases-in-libpthread.so.patch
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@ -1,76 +0,0 @@
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

122
package/glibc/2.23/0004-MIPS-SPARC-more-fixes-to-the-vfork-aliases-in-libpth.patch
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@ -1,122 +0,0 @@
From b87c1ec3fa398646f042a68f0ce0f7d09c1348c7 Mon Sep 17 00:00:00 2001
From: Aurelien Jarno <aurelien@aurel32.net>
Date: Tue, 21 Jun 2016 23:59:37 +0200
Subject: [PATCH] MIPS, SPARC: more fixes to the vfork aliases in libpthread.so
Commit 43c29487 tried to fix the vfork aliases in libpthread.so on MIPS
and SPARC, but failed to do it correctly, introducing an ABI change.
This patch does the remaining changes needed to align the MIPS and SPARC
vfork implementations with the other architectures. That way the the
alpha version of pt-vfork.S works correctly for MIPS and SPARC. The
changes for alpha were done in 82aab97c.
Changelog:
* sysdeps/unix/sysv/linux/mips/vfork.S (__vfork): Rename into
__libc_vfork.
(__vfork) [IS_IN (libc)]: Remove alias.
(__libc_vfork) [IS_IN (libc)]: Define as an alias.
* 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 | 12 ++++++------
sysdeps/unix/sysv/linux/sparc/sparc32/vfork.S | 8 ++++----
sysdeps/unix/sysv/linux/sparc/sparc64/vfork.S | 8 ++++----
3 files changed, 14 insertions(+), 14 deletions(-)
diff --git a/sysdeps/unix/sysv/linux/mips/vfork.S b/sysdeps/unix/sysv/linux/mips/vfork.S
index c0c0ce6..1867c86 100644
--- a/sysdeps/unix/sysv/linux/mips/vfork.S
+++ b/sysdeps/unix/sysv/linux/mips/vfork.S
@@ -31,13 +31,13 @@
LOCALSZ= 1
FRAMESZ= (((NARGSAVE+LOCALSZ)*SZREG)+ALSZ)&ALMASK
GPOFF= FRAMESZ-(1*SZREG)
-NESTED(__vfork,FRAMESZ,sp)
+NESTED(__libc_vfork,FRAMESZ,sp)
#ifdef __PIC__
SETUP_GP
#endif
PTR_SUBU sp, FRAMESZ
cfi_adjust_cfa_offset (FRAMESZ)
- SETUP_GP64_REG (a5, __vfork)
+ SETUP_GP64_REG (a5, __libc_vfork)
#ifdef __PIC__
SAVE_GP (GPOFF)
#endif
@@ -104,10 +104,10 @@ L(error):
RESTORE_GP64_REG
j __syscall_error
#endif
- END(__vfork)
+ END(__libc_vfork)
#if IS_IN (libc)
-libc_hidden_def(__vfork)
-weak_alias (__vfork, vfork)
-strong_alias (__vfork, __libc_vfork)
+weak_alias (__libc_vfork, vfork)
+strong_alias (__libc_vfork, __vfork)
+libc_hidden_def (__vfork)
#endif
diff --git a/sysdeps/unix/sysv/linux/sparc/sparc32/vfork.S b/sysdeps/unix/sysv/linux/sparc/sparc32/vfork.S
index 94f2c8d..0d0a3b5 100644
--- a/sysdeps/unix/sysv/linux/sparc/sparc32/vfork.S
+++ b/sysdeps/unix/sysv/linux/sparc/sparc32/vfork.S
@@ -21,7 +21,7 @@
.text
.globl __syscall_error
-ENTRY(__vfork)
+ENTRY(__libc_vfork)
ld [%g7 + PID], %o5
cmp %o5, 0
bne 1f
@@ -42,10 +42,10 @@ ENTRY(__vfork)
st %o5, [%g7 + PID]
1: retl
nop
-END(__vfork)
+END(__libc_vfork)
#if IS_IN (libc)
+weak_alias (__libc_vfork, vfork)
+strong_alias (__libc_vfork, __vfork)
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 a7479e9..0818eba 100644
--- a/sysdeps/unix/sysv/linux/sparc/sparc64/vfork.S
+++ b/sysdeps/unix/sysv/linux/sparc/sparc64/vfork.S
@@ -21,7 +21,7 @@
.text
.globl __syscall_error
-ENTRY(__vfork)
+ENTRY(__libc_vfork)
ld [%g7 + PID], %o5
sethi %hi(0x80000000), %o3
cmp %o5, 0
@@ -42,10 +42,10 @@ ENTRY(__vfork)
st %o5, [%g7 + PID]
1: retl
nop
-END(__vfork)
+END(__libc_vfork)
#if IS_IN (libc)
+weak_alias (__libc_vfork, vfork)
+strong_alias (__libc_vfork, __vfork)
libc_hidden_def (__vfork)
-weak_alias (__vfork, vfork)
-strong_alias (__vfork, __libc_vfork)
#endif
--
2.7.3

56
package/glibc/2.23/0005-sh-Fix-building-with-gcc5-6.patch
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@ -1,56 +0,0 @@
From dbb9ecfaac8db022292791936733e0841a0aa447 Mon Sep 17 00:00:00 2001
From: Alexey Neyman <stilor@att.net>
Date: Wed, 8 Feb 2017 16:00:57 -0200
Subject: [PATCH] sh: Fix building with gcc5/6
Build glibc for sh4-unknown-linux-gnu currently fails if one's
using GCC5/6: in dl-conflict.c, the elf_machine_rela() function
is called with NULL as its 3rd argument, sym. The implementation
of that function in sysdeps/sh/dl-machine.h dereferences that pointer:
const Elf32_Sym *const refsym = sym;
...
if (map == &GL(dl_rtld_map))
value -= map->l_addr + refsym->st_value + reloc->r_addend;
GCC discovers a null pointer dereference, and in accordance with
-fdelete-null-pointer-checks (which is enabled in -O2) replaces this
code with a trap - which, as SH does not implement a trap pattern in
GCC, evaluates to an abort() call. This abort() call pulls many more
objects from libc_nonshared.a, eventually resulting in link failure
due to multiple definitions for a number of symbols.
As far as I see, the conditional before this code is always false in
rtld: _dl_resolve_conflicts() is called with main_map as the first
argument, not GL(_dl_rtld_map), but since that call is in yet another
compilation unit, GCC does not know about it. Patch that wraps this
conditional into !defined RESOLVE_CONFLICT_FIND_MAP attached.
* sysdeps/sh/dl-machine.h (elf_machine_rela): The condition
in R_SH_DIR32 case is always false when inlined from
dl-conflict.c. Ifdef out to prevent GCC from insertin an
abort() call.
[Waldemar: backport of
https://sourceware.org/git/?p=glibc.git;a=commit;h=d40dbe722f004f999b589de776f7e57e564dda01.]
Signed-off-by: Waldemar Brodkorb <wbx@openadk.org>
---
sysdeps/sh/dl-machine.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/sysdeps/sh/dl-machine.h b/sysdeps/sh/dl-machine.h
index 5bb37d0..6509055 100644
--- a/sysdeps/sh/dl-machine.h
+++ b/sysdeps/sh/dl-machine.h
@@ -389,7 +389,7 @@ elf_machine_rela (struct link_map *map, const Elf32_Rela *reloc,
break;
case R_SH_DIR32:
{
-#ifndef RTLD_BOOTSTRAP
+#if !defined RTLD_BOOTSTRAP && !defined RESOLVE_CONFLICT_FIND_MAP
/* This is defined in rtld.c, but nowhere in the static
libc.a; make the reference weak so static programs can
still link. This declaration cannot be done when
--
2.7.4

56
package/glibc/2.24/0001-sh-Fix-building-with-gcc5-6.patch
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@ -1,56 +0,0 @@
From 98cadd4b9fa8e32d1d0dea8e46b5ba829af4e8a2 Mon Sep 17 00:00:00 2001
From: Alexey Neyman <stilor@att.net>
Date: Wed, 8 Feb 2017 16:00:57 -0200
Subject: [PATCH] sh: Fix building with gcc5/6
Build glibc for sh4-unknown-linux-gnu currently fails if one's
using GCC5/6: in dl-conflict.c, the elf_machine_rela() function
is called with NULL as its 3rd argument, sym. The implementation
of that function in sysdeps/sh/dl-machine.h dereferences that pointer:
const Elf32_Sym *const refsym = sym;
...
if (map == &GL(dl_rtld_map))
value -= map->l_addr + refsym->st_value + reloc->r_addend;
GCC discovers a null pointer dereference, and in accordance with
-fdelete-null-pointer-checks (which is enabled in -O2) replaces this
code with a trap - which, as SH does not implement a trap pattern in
GCC, evaluates to an abort() call. This abort() call pulls many more
objects from libc_nonshared.a, eventually resulting in link failure
due to multiple definitions for a number of symbols.
As far as I see, the conditional before this code is always false in
rtld: _dl_resolve_conflicts() is called with main_map as the first
argument, not GL(_dl_rtld_map), but since that call is in yet another
compilation unit, GCC does not know about it. Patch that wraps this
conditional into !defined RESOLVE_CONFLICT_FIND_MAP attached.
* sysdeps/sh/dl-machine.h (elf_machine_rela): The condition
in R_SH_DIR32 case is always false when inlined from
dl-conflict.c. Ifdef out to prevent GCC from insertin an
abort() call.
[Waldemar: backport of
https://sourceware.org/git/?p=glibc.git;a=commit;h=d40dbe722f004f999b589de776f7e57e564dda01.]
Signed-off-by: Waldemar Brodkorb <wbx@openadk.org>
---
sysdeps/sh/dl-machine.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/sysdeps/sh/dl-machine.h b/sysdeps/sh/dl-machine.h
index 5bb37d0..6509055 100644
--- a/sysdeps/sh/dl-machine.h
+++ b/sysdeps/sh/dl-machine.h
@@ -389,7 +389,7 @@ elf_machine_rela (struct link_map *map, const Elf32_Rela *reloc,
break;
case R_SH_DIR32:
{
-#ifndef RTLD_BOOTSTRAP
+#if !defined RTLD_BOOTSTRAP && !defined RESOLVE_CONFLICT_FIND_MAP
/* This is defined in rtld.c, but nowhere in the static
libc.a; make the reference weak so static programs can
still link. This declaration cannot be done when
--
2.7.4

28
package/glibc/Config.in
View File

@ -6,32 +6,4 @@ config BR2_PACKAGE_GLIBC
select BR2_PACKAGE_LINUX_HEADERS
select BR2_TOOLCHAIN_HAS_SSP
choice
prompt "glibc version"
default BR2_GLIBC_VERSION_2_24
config BR2_GLIBC_VERSION_2_23
bool "2.23"
config BR2_GLIBC_VERSION_2_24
bool "2.24"
# Linux 3.2 or later kernel headers are required on all arches.
# See: https://sourceware.org/ml/libc-alpha/2016-08/msg00212.html
depends on BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_2
config BR2_GLIBC_VERSION_2_25
bool "2.25"
depends on BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_2
comment "glibc-2.24+ needs kernel headers >= 3.2"
depends on !BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_2
endchoice
endif
config BR2_GLIBC_VERSION_STRING
string
default "2.23" if BR2_GLIBC_VERSION_2_23
default "2.24" if BR2_GLIBC_VERSION_2_24
default "2.25" if BR2_GLIBC_VERSION_2_25

2
package/glibc/glibc.hash
View File

@ -1,4 +1,2 @@
# Locally calculated after checking pgp signature (glibc)
sha256 94efeb00e4603c8546209cefb3e1a50a5315c86fa9b078b6fad758e187ce13e9 glibc-2.23.tar.xz
sha256 99d4a3e8efd144d71488e478f62587578c0f4e1fa0b4eed47ee3d4975ebeb5d3 glibc-2.24.tar.xz
sha256 067bd9bb3390e79aa45911537d13c3721f1d9d3769931a30c2681bfee66f23a0 glibc-2.25.tar.xz

2
package/glibc/glibc.mk
View File

@ -4,7 +4,7 @@
#
################################################################################
GLIBC_VERSION = $(call qstrip,$(BR2_GLIBC_VERSION_STRING))
GLIBC_VERSION = 2.25
GLIBC_SITE = $(BR2_GNU_MIRROR)/libc
GLIBC_SOURCE = glibc-$(GLIBC_VERSION).tar.xz
GLIBC_SRC_SUBDIR = .

5
toolchain/toolchain-buildroot/Config.in
View File

@ -50,6 +50,7 @@ config BR2_TOOLCHAIN_BUILDROOT_GLIBC
BR2_microblaze || BR2_nios2
depends on BR2_USE_MMU
depends on !BR2_STATIC_LIBS
depends on BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_2
depends on !BR2_powerpc_SPE
select BR2_TOOLCHAIN_USES_GLIBC
# our glibc.mk enables RPC support
@ -60,9 +61,9 @@ config BR2_TOOLCHAIN_BUILDROOT_GLIBC
http://www.gnu.org/software/libc/
comment "glibc only available with shared lib support"
comment "glibc needs a toolchain w/ dynamic library, kernel headers >= 3.2"
depends on BR2_USE_MMU
depends on BR2_STATIC_LIBS
depends on BR2_STATIC_LIBS || !BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_2
config BR2_TOOLCHAIN_BUILDROOT_MUSL
bool "musl"