pixman: Fix missing FE_DIVBYZERO on nios2
The FE_DIVBYZERO is missing on nios2 , add a small patch to pixman which checks for the presence of FE_DIVBYZERO and disables the test which depends on it. (From OE-Core rev: a88733677a6d809c2fca8dc5ec14c7cb4a869ea7) Signed-off-by: Marek Vasut <marex@denx.de> Signed-off-by: Ross Burton <ross.burton@intel.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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From fcd5eb9bd0e8674a6f4987a8fce7dc1ba8f9320c 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, 17 Sep 2015 03:08:36 +0200
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Subject: [PATCH] [v3] test: add a check for FE_DIVBYZERO
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Some architectures, such as Microblaze and Nios2, currently do not
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implement FE_DIVBYZERO, even though they have <fenv.h> and
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feenableexcept(). This commit adds a configure.ac check to verify
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whether FE_DIVBYZERO is defined or not, and if not, disables the
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problematic code in test/utils.c.
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Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
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Signed-off-by: Marek Vasut <marex@denx.de>
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Upstream-Status: Submitted
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---
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Changes v1 -> v2:
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* Use the ac_cv_have_decl_FE_DIVBYZERO variable, which is
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automatically set by AC_CHECK_DECL, to decide whether or not
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HAVE_FEDIVBYZERO should be defined.
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Changes v2 -> v3:
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* Use action-if-yes of AC_CHECK_DECL as suggested in
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http://lists.freedesktop.org/archives/pixman/2014-February/003176.html
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---
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configure.ac | 5 +++++
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test/utils.c | 2 ++
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2 files changed, 7 insertions(+)
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diff --git a/configure.ac b/configure.ac
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index f93cc30..424bfd3 100644
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--- a/configure.ac
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+++ b/configure.ac
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@@ -891,6 +891,11 @@ if test x$have_feenableexcept = xyes; then
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AC_DEFINE(HAVE_FEENABLEEXCEPT, 1, [Whether we have feenableexcept()])
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fi
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+AC_CHECK_DECL([FE_DIVBYZERO],
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+ [AC_DEFINE(HAVE_FEDIVBYZERO, 1, [Whether we have FE_DIVBYZERO])],
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+ [],
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+ [[#include <fenv.h>]])
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+
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AC_CHECK_FUNC(gettimeofday, have_gettimeofday=yes, have_gettimeofday=no)
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AC_CHECK_HEADER(sys/time.h, have_sys_time_h=yes, have_sys_time_h=no)
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if test x$have_gettimeofday = xyes && test x$have_sys_time_h = xyes; then
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diff --git a/test/utils.c b/test/utils.c
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index 222d4d5..8657966 100644
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--- a/test/utils.c
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+++ b/test/utils.c
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@@ -966,9 +966,11 @@ enable_divbyzero_exceptions (void)
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{
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#ifdef HAVE_FENV_H
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#ifdef HAVE_FEENABLEEXCEPT
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+#ifdef HAVE_FEDIVBYZERO
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feenableexcept (FE_DIVBYZERO);
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+#endif
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#endif
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#endif
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}
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void
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--
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2.1.4
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@ -31,6 +31,7 @@ SRC_URI += "\
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file://0001-ARM-qemu-related-workarounds-in-cpu-features-detecti.patch \
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file://mips-export-revert.patch \
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file://asm_include.patch \
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file://0001-v3-test-add-a-check-for-FE_DIVBYZERO.patch \
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"
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SRC_URI[md5sum] = "8a9e8f14743a39cf303803f369c1f344"
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