uclibc: add madvise macro patch from upstream

Fixes:
  http://autobuild.buildroot.net/results/6f296139633df24031b20d8bd5191e0f5928ec68

Signed-off-by: Waldemar Brodkorb <wbx@openadk.org>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

diff --git a/package/uclibc/0002-do-not-define-madvise-related-macros-for-noMMU-targe.patch b/package/uclibc/0002-do-not-define-madvise-related-macros-for-noMMU-targe.patch
new file mode 100644 (file)
index 0000000..31e763a
--- /dev/null
+++ b/package/uclibc/0002-do-not-define-madvise-related-macros-for-noMMU-targe.patch
@@ -0,0 +1,66 @@
+From 2ca4e8dcbd35e5c6da41a195550d741ccb2f7978 Mon Sep 17 00:00:00 2001
+From: Waldemar Brodkorb <wbx@uclibc-ng.org>
+Date: Sat, 26 Nov 2016 19:47:41 +0100
+Subject: [PATCH] do not define madvise related macros for noMMU targets
+
+Signed-off-by: Waldemar Brodkorb <wbx@uclibc-ng.org>
+---
+ libc/sysdeps/linux/common/bits/mman-common.h | 41 +++++++++++++++-------------
+ 1 file changed, 22 insertions(+), 19 deletions(-)
+
+diff --git a/libc/sysdeps/linux/common/bits/mman-common.h b/libc/sysdeps/linux/common/bits/mman-common.h
+index 6cde5da..5b20da4 100644
+--- a/libc/sysdeps/linux/common/bits/mman-common.h
++++ b/libc/sysdeps/linux/common/bits/mman-common.h
+@@ -83,26 +83,29 @@
+ # define MREMAP_FIXED 2
+ #endif
+ 
++/* only define for MMU targets, no-MMU does not support madvise.  */
++#ifdef __ARCH_USE_MMU__
+ /* Advice to `madvise'.  */
+-#ifdef __USE_BSD
+-# define MADV_NORMAL    0     /* No further special treatment.  */
+-# define MADV_RANDOM    1     /* Expect random page references.  */
+-# define MADV_SEQUENTIAL  2   /* Expect sequential page references.  */
+-# define MADV_WILLNEED          3     /* Will need these pages.  */
+-# define MADV_DONTNEED          4     /* Don't need these pages.  */
+-# define MADV_REMOVE    9     /* Remove these pages and resources.  */
+-# define MADV_DONTFORK          10    /* Do not inherit across fork.  */
+-# define MADV_DOFORK    11    /* Do inherit across fork.  */
+-# define MADV_MERGEABLE         12    /* KSM may merge identical pages.  */
+-# define MADV_UNMERGEABLE 13  /* KSM may not merge identical pages.  */
+-# define MADV_HWPOISON          100   /* Poison a page for testing.  */
+-#endif
++# ifdef __USE_BSD
++#  define MADV_NORMAL   0     /* No further special treatment.  */
++#  define MADV_RANDOM   1     /* Expect random page references.  */
++#  define MADV_SEQUENTIAL 2   /* Expect sequential page references.  */
++#  define MADV_WILLNEED         3     /* Will need these pages.  */
++#  define MADV_DONTNEED         4     /* Don't need these pages.  */
++#  define MADV_REMOVE   9     /* Remove these pages and resources.  */
++#  define MADV_DONTFORK         10    /* Do not inherit across fork.  */
++#  define MADV_DOFORK   11    /* Do inherit across fork.  */
++#  define MADV_MERGEABLE  12  /* KSM may merge identical pages.  */
++#  define MADV_UNMERGEABLE 13 /* KSM may not merge identical pages.  */
++#  define MADV_HWPOISON         100   /* Poison a page for testing.  */
++# endif
+ 
+ /* The POSIX people had to invent similar names for the same things.  */
+-#ifdef __USE_XOPEN2K
+-# define POSIX_MADV_NORMAL    0 /* No further special treatment.  */
+-# define POSIX_MADV_RANDOM    1 /* Expect random page references.  */
+-# define POSIX_MADV_SEQUENTIAL        2 /* Expect sequential page references.  */
+-# define POSIX_MADV_WILLNEED  3 /* Will need these pages.  */
+-# define POSIX_MADV_DONTNEED  4 /* Don't need these pages.  */
++# ifdef __USE_XOPEN2K
++#  define POSIX_MADV_NORMAL   0 /* No further special treatment.  */
++#  define POSIX_MADV_RANDOM   1 /* Expect random page references.  */
++#  define POSIX_MADV_SEQUENTIAL       2 /* Expect sequential page references.  */
++#  define POSIX_MADV_WILLNEED 3 /* Will need these pages.  */
++#  define POSIX_MADV_DONTNEED 4 /* Don't need these pages.  */
++# endif
+ #endif
+-- 
+2.1.4
+