vanhofen
2 years ago
5 changed files with 41 additions and 208 deletions
@ -0,0 +1,29 @@ |
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From 9b8132738c364fc3c886e81e7d383aaff80dc867 Mon Sep 17 00:00:00 2001 |
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From: "Yann E. MORIN" <yann.morin.1998@free.fr> |
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Date: Sat, 5 Dec 2015 12:00:53 +0100 |
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Subject: [PATCH] Disable tests |
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|
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Tests are causing build failures on some architectures that are missing |
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a proper fenv.h, so just disable them. |
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|
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Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr> |
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|
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---
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Status: Buildroot specific, not suitable for upstream in this state. |
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---
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Makefile.am | 2 +- |
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1 file changed, 1 insertion(+), 1 deletion(-) |
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diff --git a/Makefile.am b/Makefile.am
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index 5137c9e..eae79fd 100644
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--- a/Makefile.am
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+++ b/Makefile.am
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@@ -1,4 +1,4 @@
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-SUBDIRS = pixman demos test
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+SUBDIRS = pixman demos
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pkgconfigdir=$(libdir)/pkgconfig |
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pkgconfig_DATA=pixman-1.pc |
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--
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1.9.1 |
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@ -1,144 +0,0 @@ |
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From a0f53e1dbb3851bb0f0efcfdbd565b05e4be9cac Mon Sep 17 00:00:00 2001 |
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From: =?UTF-8?q?Andreas=20M=C3=BCller?= <schnitzeltony@googlemail.com> |
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Date: Thu, 23 Aug 2012 18:10:57 +0200 |
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Subject: [PATCH 1/2] ARM: qemu related workarounds in cpu features detection |
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code |
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MIME-Version: 1.0 |
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Content-Type: text/plain; charset=UTF-8 |
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Content-Transfer-Encoding: 8bit |
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|
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This was ported from meta-oe's patch [1]. The original pixman patch is found |
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at [2]. |
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[1] http://cgit.openembedded.org/meta-openembedded/tree/meta-oe/recipes-graphics/xorg-lib/pixman-0.26.2/0001-ARM-qemu-related-workarounds-in-cpu-features-detecti.patch |
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[2] http://lists.freedesktop.org/archives/pixman/2011-January/000906.html |
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Upstream-Status: Inappropriate [other] qemu fix |
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Signed-off-by: Andreas Müller <schnitzeltony@googlemail.com> |
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---
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pixman/pixman-arm.c | 82 ++++++++++++++++++++++++++++++++++++++++---------- |
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1 files changed, 65 insertions(+), 17 deletions(-) |
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diff --git a/pixman/pixman-arm.c b/pixman/pixman-arm.c
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index 23374e4..d98bda6 100644
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--- a/pixman/pixman-arm.c
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+++ b/pixman/pixman-arm.c
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@@ -129,16 +129,35 @@ detect_cpu_features (void)
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#include <sys/types.h> |
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#include <sys/stat.h> |
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#include <sys/mman.h> |
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+#include <sys/utsname.h>
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#include <fcntl.h> |
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#include <string.h> |
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#include <elf.h> |
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+/*
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+ * The whole CPU capabilities detection is a bit ugly: when running in
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+ * userspace qemu, we see /proc/self/auxv from the host system. To make
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+ * everything even worse, the size of each value is 64-bit when running
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+ * on a 64-bit host system. So the data is totally bogus because we expect
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+ * 32-bit values. As AT_PLATFORM value is used as a pointer, it may cause
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+ * segfault (null pointer dereference on x86-64 host). So in order to be
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+ * on a safe side, we require that AT_PLATFORM value is found only once,
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+ * and it has non-zero value (this is still not totally reliable for a big
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+ * endian 64-bit host system running qemu and may theoretically fail).
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+ */
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+#define ARM_HWCAP_VFP 64
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+#define ARM_HWCAP_IWMMXT 512
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+#define ARM_HWCAP_NEON 4096
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+
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static arm_cpu_features_t |
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detect_cpu_features (void) |
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{ |
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arm_cpu_features_t features = 0; |
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Elf32_auxv_t aux; |
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int fd; |
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+ uint32_t hwcap = 0;
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+ const char *plat = NULL;
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+ int plat_cnt = 0;
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fd = open ("/proc/self/auxv", O_RDONLY); |
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if (fd >= 0) |
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@@ -147,32 +166,61 @@ detect_cpu_features (void)
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{ |
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if (aux.a_type == AT_HWCAP) |
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{ |
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- uint32_t hwcap = aux.a_un.a_val;
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-
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- /* hardcode these values to avoid depending on specific
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- * versions of the hwcap header, e.g. HWCAP_NEON
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- */
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- if ((hwcap & 64) != 0)
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- features |= ARM_VFP;
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- if ((hwcap & 512) != 0)
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- features |= ARM_IWMMXT;
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- /* this flag is only present on kernel 2.6.29 */
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- if ((hwcap & 4096) != 0)
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- features |= ARM_NEON;
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+ hwcap = aux.a_un.a_val;
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} |
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else if (aux.a_type == AT_PLATFORM) |
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{ |
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- const char *plat = (const char*) aux.a_un.a_val;
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-
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- if (strncmp (plat, "v7l", 3) == 0)
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+ plat = (const char*) aux.a_un.a_val;
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+ plat_cnt++;
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+ }
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+ }
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+ close (fd);
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+ if (plat == NULL || plat_cnt != 1 || *plat != 'v')
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+ {
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+ /*
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+ * Something seems to be really wrong, most likely we are
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+ * running under qemu. Let's use machine type from "uname" for
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+ * CPU capabilities detection:
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+ * http://www.mail-archive.com/qemu-devel at nongnu.org/msg22212.html
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+ */
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+ struct utsname u;
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+ hwcap = 0; /* clear hwcap, because it is bogus */
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+ if (uname (&u) == 0)
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+ {
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+ if (strcmp (u.machine, "armv7l") == 0)
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+ {
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features |= (ARM_V7 | ARM_V6); |
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- else if (strncmp (plat, "v6l", 3) == 0)
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+ hwcap |= ARM_HWCAP_VFP; /* qemu is supposed to emulate vfp */
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+ hwcap |= ARM_HWCAP_NEON; /* qemu is supposed to emulate neon */
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+ }
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+ else if (strcmp (u.machine, "armv6l") == 0)
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+ {
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features |= ARM_V6; |
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+ hwcap |= ARM_HWCAP_VFP; /* qemu is supposed to emulate vfp */
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+ }
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} |
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} |
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- close (fd);
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+ else if (strncmp (plat, "v7l", 3) == 0)
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+ {
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+ features |= (ARM_V7 | ARM_V6);
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+ }
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+ else if (strncmp (plat, "v6l", 3) == 0)
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+ {
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+ features |= ARM_V6;
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+ }
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} |
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|
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+ /* hardcode these values to avoid depending on specific
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+ * versions of the hwcap header, e.g. HWCAP_NEON
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+ */
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+ if ((hwcap & ARM_HWCAP_VFP) != 0)
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+ features |= ARM_VFP;
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+ if ((hwcap & ARM_HWCAP_IWMMXT) != 0)
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+ features |= ARM_IWMMXT;
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+ /* this flag is only present on kernel 2.6.29 */
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+ if ((hwcap & ARM_HWCAP_NEON) != 0)
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+ features |= ARM_NEON;
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+
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return features; |
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} |
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|
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--
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1.7.6.5 |
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@ -1,33 +0,0 @@ |
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From 0ccd906b904d21536d5ab41c6196760e3e5d72cb Mon Sep 17 00:00:00 2001 |
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From: Khem Raj <raj.khem@gmail.com> |
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Date: Tue, 17 May 2016 17:30:00 -0700 |
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Subject: [PATCH] test/utils: Check for FE_INVALID definition before use |
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Some architectures e.g. nios2 do not support all exceptions |
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Signed-off-by: Khem Raj <raj.khem@gmail.com> |
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---
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Upstream-Status: Submitted |
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test/utils.c | 2 ++ |
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1 file changed, 2 insertions(+) |
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diff --git a/test/utils.c b/test/utils.c
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index f8e42a5..fe32b1e 100644
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--- a/test/utils.c
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+++ b/test/utils.c
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@@ -978,9 +978,11 @@ enable_invalid_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 FE_INVALID
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feenableexcept (FE_INVALID); |
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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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2.8.2 |
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@ -1,29 +0,0 @@ |
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Fixes errors like |
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Assembler messages: |
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Fatal error: can't create .libs/pixman-mips-dspr2-asm.o: No such file or directory |
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it works with glibc because it uses gcc fixed-headers but thats not right. |
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We move the include under C block |
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Signed-off-by: Khem Raj <raj.khem@gmail.com> |
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Upstream-Status: Pending |
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Index: pixman-0.32.6/pixman/pixman-private.h
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===================================================================
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--- pixman-0.32.6.orig/pixman/pixman-private.h
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+++ pixman-0.32.6/pixman/pixman-private.h
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@@ -1,4 +1,3 @@
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-#include <float.h>
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#ifndef PIXMAN_PRIVATE_H |
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#define PIXMAN_PRIVATE_H |
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@@ -17,6 +16,8 @@
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#ifndef __ASSEMBLER__ |
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+#include <float.h>
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+
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#ifndef PACKAGE |
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# error config.h must be included before pixman-private.h |
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#endif |
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