[Buildroot] [git commit] uclibc: add madvise macro patch from upstream

Thomas Petazzoni thomas.petazzoni at free-electrons.com
Sun Nov 27 21:19:52 UTC 2016


commit: https://git.buildroot.net/buildroot/commit/?id=9d67242653eb14bd5af2a4a7637c27b52e30f619
branch: https://git.buildroot.net/buildroot/commit/?id=refs/heads/master

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

Signed-off-by: Waldemar Brodkorb <wbx at openadk.org>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni at free-electrons.com>
---
 ...ne-madvise-related-macros-for-noMMU-targe.patch | 66 ++++++++++++++++++++++
 1 file changed, 66 insertions(+)

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
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 at 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 at 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
+


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