Update buidlroot to version 2016.08.1
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@@ -0,0 +1,86 @@
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From 7152ded5219453c9ff1cd062cecbeaf4d77e4cab Mon Sep 17 00:00:00 2001
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From: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
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Date: Thu, 26 May 2016 15:05:48 +0200
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Subject: [PATCH] Use <fenv.h> instead of <fpu_control.h>
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musl libc (http://musl-libc.org lack the non-standard <fpu_control.h>
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header, which is used in src/os/linux/{i386,x86_64}/init.c files to
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setup the floating point precision. This patch makes it use the
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standard C <fenv.h> header instead.
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Original patch at Felix Janda at
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https://sourceforge.net/p/jamvm/patches/6/.
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Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
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---
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src/os/linux/i386/init.c | 12 ++++++------
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src/os/linux/x86_64/init.c | 16 ++++++----------
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2 files changed, 12 insertions(+), 16 deletions(-)
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diff --git a/src/os/linux/i386/init.c b/src/os/linux/i386/init.c
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index d9c6648..94a733e 100644
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--- a/src/os/linux/i386/init.c
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+++ b/src/os/linux/i386/init.c
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@@ -19,18 +19,18 @@
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* Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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-#include <fpu_control.h>
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+#include <fenv.h>
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/* Change floating point precision to double (64-bit) from
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* the extended (80-bit) Linux default. */
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void setDoublePrecision() {
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- fpu_control_t cw;
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+ fenv_t fenv;
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- _FPU_GETCW(cw);
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- cw &= ~_FPU_EXTENDED;
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- cw |= _FPU_DOUBLE;
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- _FPU_SETCW(cw);
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+ fegetenv(&fenv);
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+ fenv.__control_word &= ~0x300; /* _FPU_EXTENDED */
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+ fenv.__control_word |= 0x200; /* _FPU_DOUBLE */
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+ fesetenv(&fenv);
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}
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void initialisePlatform() {
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diff --git a/src/os/linux/x86_64/init.c b/src/os/linux/x86_64/init.c
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index 9d55229..a76a923 100644
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--- a/src/os/linux/x86_64/init.c
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+++ b/src/os/linux/x86_64/init.c
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@@ -19,9 +19,7 @@
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* Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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-#ifdef __linux__
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-#include <fpu_control.h>
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-#endif
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+#include <fenv.h>
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/* Change the x87 FPU precision to double (64-bit) from the extended
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(80-bit) Linux default. Note, unlike on i386, my testcases pass
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@@ -30,14 +28,12 @@
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*/
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void setDoublePrecision() {
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-#ifdef __linux__
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- fpu_control_t cw;
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+ fenv_t fenv;
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- _FPU_GETCW(cw);
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- cw &= ~_FPU_EXTENDED;
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- cw |= _FPU_DOUBLE;
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- _FPU_SETCW(cw);
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-#endif
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+ fegetenv(&fenv);
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+ fenv.__control_word &= ~0x300; /*_FPU_EXTENDED */
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+ fenv.__control_word |= 0x200; /*_FPU_DOUBLE */
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+ fesetenv(&fenv);
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}
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void initialisePlatform() {
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--
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2.7.4
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@@ -1,6 +1,7 @@
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config BR2_PACKAGE_JAMVM
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bool "jamvm"
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depends on BR2_TOOLCHAIN_HAS_THREADS
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depends on !BR2_STATIC_LIBS
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depends on BR2_arm || BR2_armeb || BR2_i386 || BR2_x86_64 \
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|| BR2_mips || BR2_mipsel || BR2_powerpc
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select BR2_PACKAGE_ZLIB
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@@ -11,7 +12,7 @@ config BR2_PACKAGE_JAMVM
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http://jamvm.sf.net
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comment "jamvm needs a toolchain w/ threads"
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comment "jamvm needs a toolchain w/ threads, dynamic library"
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depends on BR2_arm || BR2_armeb || BR2_i386 || BR2_x86_64 \
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|| BR2_mips || BR2_mipsel || BR2_powerpc
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depends on !BR2_TOOLCHAIN_HAS_THREADS
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depends on !BR2_TOOLCHAIN_HAS_THREADS || BR2_STATIC_LIBS
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