6bef489317
fenv.h is used in a workaround for a glibc specific bug. However, uClibc lies by defining __GLIBC__, but does not provide fenv.h in our default uClibc configurations. Fixes: http://autobuild.buildroot.net/results/b2a/b2a1b1e374764855e701ea62fe9f1385ba77ac0d/ Signed-off-by: Baruch Siach <baruch@tkos.co.il> Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
33 lines
1.2 KiB
Diff
33 lines
1.2 KiB
Diff
From 9cbd876ebc6ef8cbe647d4a914d03f527f822424 Mon Sep 17 00:00:00 2001
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Message-Id: <9cbd876ebc6ef8cbe647d4a914d03f527f822424.1398253762.git.baruch@tkos.co.il>
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From: Baruch Siach <baruch@tkos.co.il>
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Date: Wed, 23 Apr 2014 14:42:21 +0300
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Subject: [PATCH] Fix build on Linux/x86_64 under uClibc
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* include/private/gcconfig.h (GETCONTEXT_FPU_EXCMASK_BUG): don't define for
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uClibc, as it may not have fenv.h
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Patch status: sent upstream
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Signed-off-by: Baruch Siach <baruch@tkos.co.il>
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---
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include/private/gcconfig.h | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/include/private/gcconfig.h b/include/private/gcconfig.h
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index de7998be0f54..f866cc4ed8cc 100644
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--- a/include/private/gcconfig.h
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+++ b/include/private/gcconfig.h
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@@ -2235,7 +2235,7 @@
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extern int etext[];
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# define DATASTART ((ptr_t)((((word) (etext)) + 0xfff) & ~0xfff))
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# endif
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-# if defined(__GLIBC__)
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+# if defined(__GLIBC__) && !defined(__UCLIBC__)
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/* At present, there's a bug in GLibc getcontext() on */
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/* Linux/x64 (it clears FPU exception mask). We define this */
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/* macro to workaround it. */
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--
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1.9.2
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