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
f795779c0a4080ccf497a0266e33f1842248efe8)
PKG_NAME:=boost
PKG_VERSION:=1.71.0
PKG_SOURCE_VERSION:=1_71_0
-PKG_RELEASE:=4
+PKG_RELEASE:=5
PKG_SOURCE:=$(PKG_NAME)_$(PKG_SOURCE_VERSION).tar.bz2
PKG_SOURCE_URL:=@SF/$(PKG_NAME)/$(PKG_NAME)/$(PKG_VERSION) https://dl.bintray.com/boostorg/release/$(PKG_VERSION)/source/
config boost-fiber-exclude
bool
- default y if (TARGET_ar7 || TARGET_brcm47xx_generic || TARGET_brcm47xx_legacy || TARGET_lantiq_ase || TARGET_rb532 || mips32 || mips64 || boost-coroutine-exclude)
+ default y if boost-coroutine-exclude
default n
menu "Select Boost Options"
+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 @@
#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()
{
# 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);
}
}
# include "limits.h"
# else // BOOST_WINDOW_API
-@@ -1451,6 +1453,22 @@ namespace detail
+@@ -1459,6 +1461,22 @@ namespace detail
system::error_code* ec)
{
# ifdef BOOST_POSIX_API
struct stat path_stat;
if (error(::stat(p.c_str(), &path_stat)!= 0,
-@@ -1462,6 +1480,8 @@ namespace detail
+@@ -1470,6 +1488,8 @@ namespace detail
error(::utime(p.c_str(), &buf)!= 0 ? BOOST_ERRNO : 0,
p, ec, "boost::filesystem::last_write_time");
--- /dev/null
+From 5f7cda29add367c5381775a314ec9f90e311457a Mon Sep 17 00:00:00 2001
+From: Rosen Penev <rosenp@gmail.com>
+Date: Fri, 15 Nov 2019 12:43:50 -0800
+Subject: [PATCH] cpu_relax: Fix MIPS check
+
+BOOST_ARCH_MIPS as a macro is totally broken. It always gets defined to either 32
+or 64 with a bunch of zeroes depending on the architecture.
+
+Use GCC's internal define to check the architecture properly.
+
+Signed-off-by: Rosen Penev <rosenp@gmail.com>
+---
+ boost/fiber/detail/cpu_relax.hpp | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/boost/fiber/detail/cpu_relax.hpp b/boost/fiber/detail/cpu_relax.hpp
+index 72564394..f40545c2 100644
+--- a/boost/fiber/detail/cpu_relax.hpp
++++ b/boost/fiber/detail/cpu_relax.hpp
+@@ -47,7 +47,7 @@ namespace detail {
+ # else
+ # define cpu_relax() asm volatile ("nop" ::: "memory");
+ # endif
+-#elif BOOST_ARCH_MIPS
++#elif BOOST_ARCH_MIPS && (__mips_isa_rev > 1)
+ # define cpu_relax() asm volatile ("pause" ::: "memory");
+ #elif BOOST_ARCH_PPC
+ // http://code.metager.de/source/xref/gnu/glibc/sysdeps/powerpc/sys/platform/ppc.h
+++ /dev/null
---- a/boost/math/tools/roots.hpp
-+++ b/boost/math/tools/roots.hpp
-@@ -665,8 +665,8 @@ namespace detail
- inline T discriminant(T const & a, T const & b, T const & c)
- {
- T w = 4*a*c;
-- T e = std::fma(-c, 4*a, w);
-- T f = std::fma(b, b, -w);
-+ T e = fma(-c, 4*a, w);
-+ T f = fma(b, b, -w);
- return f + e;
- }
- }
-@@ -674,7 +674,6 @@ namespace detail
- template<class T>
- auto quadratic_roots(T const& a, T const& b, T const& c)
- {
-- using std::copysign;
- using std::sqrt;
- if constexpr (std::is_integral<T>::value)
- {
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