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boost: Fix fiber compilation for mips

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The issue was that the pause instruction was emitted through an asm
directive which was not correct for some mips platforms.

Simplified boost-fiber-exclude as a result.

Removed uClibc-ng math patch. It was not correct as it broke float and
long double support (std variants use function overloads). A different
solution was applied upstream. As it's quite annoying to backport, just
wait until a new release comes with that change. ARC as a platform is
barely supported anyways.

Swapped asio patch for the upstream submission, which is unfortunately, in
limbo.

Refreshed remaining patch.

Signed-off-by: Rosen Penev <rosenp@gmail.com>
(cherry-picked from f795779c0a)
This commit is contained in:
Rosen Penev
2019-11-15 12:34:26 -08:00
parent 6371fc55d9
commit f00d0a0185
5 changed files with 59 additions and 27 deletions
Download Patch File Download Diff File Expand all files Collapse all files
libs/boost/patches/001-uclibc-asio.patch
+27 -2
View File
@@ -1,3 +1,28 @@
From 95d82acc57bb7d8bae431f7a6ce0707aac3ef33f Mon Sep 17 00:00:00 2001
From: Rosen Penev <rosenp@gmail.com>
Date: Thu, 5 Sep 2019 19:41:13 -0700
Subject: [PATCH] Use eventfd() function with uClibc
The Boost eventfd code either directly makes the eventfd system call
using __NR_eventfd (when __GLIBC_MINOR is less than 8), or otherwise
uses the eventfd() function provided by the C library.
However, since uClibc pretends to be glibc 2.2, the Boost eventfd code
directly uses the system call. While it works fine on most
architectures, it doesn't on ARC since __NR_eventfd is not defined on
this architecture. However, eventfd() is properly implemented.
So, this patch adjusts the logic used by Boost to consider uClibc as a
C library providing the eventfd() function.
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Rosen Penev <rosenp@gmail.com>
---
a/boost/asio/detail/impl/eventfd_select_interrupter.ipp | 12 ++++++------
1 file changed, 6 insertions(+), 6 deletions(-)
diff --git a/boost/asio/detail/impl/eventfd_select_interrupter.ipp b/boost/asio/detail/impl/eventfd_select_interrupter.ipp
index 38d4b2a61..e16cc8b00 100644
--- a/boost/asio/detail/impl/eventfd_select_interrupter.ipp
+++ b/boost/asio/detail/impl/eventfd_select_interrupter.ipp
@@ -23,11 +23,11 @@
@@ -15,7 +40,7 @@
#include <boost/asio/detail/cstdint.hpp>
#include <boost/asio/detail/eventfd_select_interrupter.hpp>
#include <boost/asio/detail/throw_error.hpp>
@@ -46,14 +46,14 @@ eventfd_select_interrupter::eventfd_sele
@@ -46,14 +46,14 @@ eventfd_select_interrupter::eventfd_select_interrupter()
void eventfd_select_interrupter::open_descriptors()
{
@@ -32,7 +57,7 @@
# if defined(EFD_CLOEXEC) && defined(EFD_NONBLOCK)
write_descriptor_ = read_descriptor_ =
::eventfd(0, EFD_CLOEXEC | EFD_NONBLOCK);
@@ -70,7 +70,7 @@ void eventfd_select_interrupter::open_de
@@ -70,7 +70,7 @@ void eventfd_select_interrupter::open_descriptors()
::fcntl(read_descriptor_, F_SETFD, FD_CLOEXEC);
}
}