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package/uclibc: add upstream patch to fix build issue with gcc7

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As reported on the mailing list [1], there is a build issue with gcc 7
and uClibc-ng.

Thanks to Waldemar for the fix :)

[1] http://lists.busybox.net/pipermail/buildroot/2017-May/191140.html

Signed-off-by: Romain Naour <romain.naour@gmail.com>
Cc: Waldemar Brodkorb <wbx@openadk.org>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
This commit is contained in:
Romain Naour 2017-05-23 22:24:38 +02:00 committed by Thomas Petazzoni
parent a2e5583f10
commit 10809c03ad
1 changed files with 64 additions and 0 deletions
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64
package/uclibc/0001-sync-features.h-with-GNU-C-library-fixes-gcc-7.1-too.patch Normal file
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@ -0,0 +1,64 @@
From 5b0f49037e8ea8500b05c8f31ee88529ccac4cee Mon Sep 17 00:00:00 2001
From: Waldemar Brodkorb <wbx@openadk.org>
Date: Sun, 7 May 2017 16:28:14 +0200
Subject: [PATCH] sync features.h with GNU C library, fixes gcc 7.1 toolchain
creation
[Romain: backport to uClibc-ng 1.0.24]
Signed-off-by: Romain Naour <romain.naour@gmail.com>
---
include/features.h | 17 ++++++++++++-----
1 file changed, 12 insertions(+), 5 deletions(-)
diff --git a/include/features.h b/include/features.h
index e76bbba..f982079 100644
--- a/include/features.h
+++ b/include/features.h
@@ -55,6 +55,7 @@
These are defined by this file and are used by the
header files to decide what to declare or define:
+ __USE_ISOC11 Define ISO C11 things.
__USE_ISOC99 Define ISO C99 things.
__USE_ISOC95 Define ISO C90 AMD1 (C95) things.
__USE_POSIX Define IEEE Std 1003.1 things.
@@ -91,6 +92,7 @@
/* Undefine everything, so we get a clean slate. */
+#undef __USE_ISOC11
#undef __USE_ISOC99
#undef __USE_ISOC95
#undef __USE_POSIX
@@ -151,6 +153,8 @@
#ifdef _GNU_SOURCE
# undef _ISOC99_SOURCE
# define _ISOC99_SOURCE 1
+# undef _ISOC11_SOURCE
+# define _ISOC11_SOURCE 1
# undef _POSIX_SOURCE
# define _POSIX_SOURCE 1
# undef _POSIX_C_SOURCE
@@ -223,11 +227,14 @@
# define _SVID_SOURCE 1
#endif
-/* This is to enable the ISO C99 extension. Also recognize the old macro
- which was used prior to the standard acceptance. This macro will
- eventually go away and the features enabled by default once the ISO C99
- standard is widely adopted. */
-#if (defined _ISOC99_SOURCE || defined _ISOC9X_SOURCE \
+/* This is to enable the ISO C11 extension. */
+#if (defined _ISOC11_SOURCE \
+ || (defined __STDC_VERSION__ && __STDC_VERSION__ >= 201112L))
+# define __USE_ISOC11 1
+#endif
+
+/* This is to enable the ISO C99 extension. */
+#if (defined _ISOC99_SOURCE || defined _ISOC11_SOURCE \
|| (defined __STDC_VERSION__ && __STDC_VERSION__ >= 199901L))
# define __USE_ISOC99 1
#endif
--
2.9.3