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The Microblaze build of pixman was failing due to FE_DIVBYZERO not being implemented. It turns out that the usage of it, like fenv.h and feenableexcept() is optional. So the patch simply adds a configure check and disables the appropriate code (which is only use in the tests anyway). This commit also renames the existing patch to follow the patch naming convention, and get a reliable ordering when applying patches. Fixes: http://autobuild.buildroot.org/results/806/8064092cdbac85fbf4322429d29d5d11dc51860f/ Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
39 lines
1.5 KiB
Diff
39 lines
1.5 KiB
Diff
configure.ac: Verify that the Loongson MMI code can link
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The Loongson MMI code modifies -march and as a result it breaks linking
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when the rest of the code is built with a different -match/-mtune.
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This patch fixes the problem by trying to link the code instead of just
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compiling it. This patch is already committed upstream.
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Signed-off-by: Markos Chandras <markos.chandras@imgtec.com>
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From d77d75cc6e5de14d027d22b70389a4d0c71048b9 Mon Sep 17 00:00:00 2001
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From: Markos Chandras <markos.chandras@imgtec.com>
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Date: Wed, 15 May 2013 16:51:20 +0000
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Subject: Use AC_LINK_IFELSE to check if the Loongson MMI code can link
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The Loongson code is compiled with -march=loongson2f to enable the MMI
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instructions, but binutils refuses to link object code compiled with
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different -march settings, leading to link failures later in the
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compile. This avoids that problem by checking if we can link code
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compiled for Loongson.
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Reviewed-by: Matt Turner <mattst88@gmail.com>
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Signed-off-by: Markos Chandras <markos.chandras@imgtec.com>
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---
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diff --git a/configure.ac b/configure.ac
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index c43a0d2..221179f 100644
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--- a/configure.ac
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+++ b/configure.ac
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@@ -279,7 +279,7 @@ AC_MSG_CHECKING(whether to use Loongson MMI assembler)
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xserver_save_CFLAGS=$CFLAGS
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CFLAGS=" $LS_CFLAGS $CFLAGS -I$srcdir"
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-AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
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+AC_LINK_IFELSE([AC_LANG_SOURCE([[
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#ifndef __mips_loongson_vector_rev
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#error "Loongson Multimedia Instructions are only available on Loongson"
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#endif
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--
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cgit v0.9.0.2-2-gbebe
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