[Buildroot] [PATCH v2 1/3] package/uclibc: add upstream patch to fix build issue with gcc7
Romain Naour
romain.naour at gmail.com
Tue May 23 20:24:38 UTC 2017
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 at gmail.com>
Cc: Waldemar Brodkorb <wbx at openadk.org>
---
...es.h-with-GNU-C-library-fixes-gcc-7.1-too.patch | 64 ++++++++++++++++++++++
1 file changed, 64 insertions(+)
create mode 100644 package/uclibc/0001-sync-features.h-with-GNU-C-library-fixes-gcc-7.1-too.patch
diff --git a/package/uclibc/0001-sync-features.h-with-GNU-C-library-fixes-gcc-7.1-too.patch b/package/uclibc/0001-sync-features.h-with-GNU-C-library-fixes-gcc-7.1-too.patch
new file mode 100644
index 0000000..eb1459b
--- /dev/null
+++ b/package/uclibc/0001-sync-features.h-with-GNU-C-library-fixes-gcc-7.1-too.patch
@@ -0,0 +1,64 @@
+From 5b0f49037e8ea8500b05c8f31ee88529ccac4cee Mon Sep 17 00:00:00 2001
+From: Waldemar Brodkorb <wbx at 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 at 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
+
--
2.9.4
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