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package/uclibc: add patch for libucontext usage

PATCH Applied Waldemar Brodkorb 3 participants 3 messages Jul 17, 2024 – Aug 28, 2024

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Waldemar Brodkorb

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PATCH 1/1 package/uclibc: add patch for libucontext usage

*ucontext functions are only implemented for a subset of uClibc supported architectures. To allow the external library libucontext to be used this small patch is required. Tested for riscv64.

Signed-off-by Waldemar Brodkorb <[email protected]>
---
 .../0001-allow-to-use-sys-ucontext.h.patch    | 35 +++++++++++++++++++
 1 file changed, 35 insertions(+)
 create mode 100644 package/uclibc/0001-allow-to-use-sys-ucontext.h.patch
package/uclibc/0001-allow-to-use-sys-ucontext.h.patch new file +35 -0
new file mode 100644
index 0000000000..b6bd5602d9
@@ -0,0 +1,35 @@
+From 903da45dde43836e35a295226c5b1efccd413c08 Mon Sep 17 00:00:00 2001
+From: Waldemar Brodkorb <[email protected]>
+Date: Wed, 17 Jul 2024 15:41:40 +0200
+Subject: [PATCH] allow to use <sys/ucontext.h>
+
+For architectures without ucontext implementation it is possible
+to use libucontext with this small adaptation.
+
+Signed-off-by: Waldemar Brodkorb <[email protected]>
+Upstream: https://mailman.openadk.org/mailman3/hyperkitty/list/[email protected]/thread/MZCPGG56TL7SVOZY2L3AGHLREJ76BYZE/
+---
+ include/ucontext.h | 4 ++--
+ 1 file changed, 2 insertions(+), 2 deletions(-)
+
+diff --git a/include/ucontext.h b/include/ucontext.h
+index 4ce114ef1..76b4f375e 100644
+--- a/include/ucontext.h
++++ b/include/ucontext.h
+@@ -23,11 +23,11 @@
+ 
+ #include <features.h>
+ 
+-#ifdef __UCLIBC_HAS_CONTEXT_FUNCS__
+-
+ /* Get machine dependent definition of data structures.  */
+ #include <sys/ucontext.h>
+ 
++#ifdef __UCLIBC_HAS_CONTEXT_FUNCS__
++
+ __BEGIN_DECLS
+ 
+ /* Get user context and store it in variable pointed to by UCP.  */
+-- 
+2.30.2
+
Signature · 6 lines
2.39.2

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Applied
#1 lore raw
Quoted 10 lines · On Wed, 17 Jul 2024 17:12:54 +0200 Waldemar Brodkorb <[email protected]> wrote:

*ucontext functions are only implemented for a subset of uClibc supported architectures. To allow the external library libucontext to be used this small patch is required. Tested for riscv64.

Signed-off-by Waldemar Brodkorb <[email protected]>
---
 .../0001-allow-to-use-sys-ucontext.h.patch    | 35 +++++++++++++++++++
 1 file changed, 35 insertions(+)
 create mode 100644 package/uclibc/0001-allow-to-use-sys-ucontext.h.patch

Applied to master, thanks.

Thomas

Signature · 7 lines
Thomas Petazzoni, CTO, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com
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#2 lore raw
In reply to Waldemar Brodkorb
Quoted 8 lines
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"Waldemar" == Waldemar Brodkorb <[email protected]> writes:

*ucontext functions are only implemented for a subset of uClibc supported architectures. To allow the external library libucontext to be used this small patch is required. Tested for riscv64.

Signed-off-by Waldemar Brodkorb <[email protected]>

Committed to 2024.02.x and 2024.05.x, thanks.

Signature · 5 lines
Bye, Peter Korsgaard
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