Commit 6bef4893 authored by Baruch Siach's avatar Baruch Siach Committed by Thomas Petazzoni
Browse files

libgc: fix build under uClibc 

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: default avatarBaruch Siach <baruch@tkos.co.il>
Signed-off-by: default avatarThomas Petazzoni <thomas.petazzoni@free-electrons.com>
parent 73797e7b

package/libgc/libgc-01-Fix-build-on-Linux-x86_64-under-uClibc.patch

0 → 100644
+32 −0
Original line number Diff line number Diff line 
From 9cbd876ebc6ef8cbe647d4a914d03f527f822424 Mon Sep 17 00:00:00 2001

Message-Id: <9cbd876ebc6ef8cbe647d4a914d03f527f822424.1398253762.git.baruch@tkos.co.il>

From: Baruch Siach <baruch@tkos.co.il>

Date: Wed, 23 Apr 2014 14:42:21 +0300

Subject: [PATCH] Fix build on Linux/x86_64 under uClibc



* include/private/gcconfig.h (GETCONTEXT_FPU_EXCMASK_BUG): don't define for

uClibc, as it may not have fenv.h



Patch status: sent upstream



Signed-off-by: Baruch Siach <baruch@tkos.co.il>

---

 include/private/gcconfig.h | 2 +-

 1 file changed, 1 insertion(+), 1 deletion(-)



diff --git a/include/private/gcconfig.h b/include/private/gcconfig.h

index de7998be0f54..f866cc4ed8cc 100644

--- a/include/private/gcconfig.h

+++ b/include/private/gcconfig.h

@@ -2235,7 +2235,7 @@

              extern int etext[];

 #            define DATASTART ((ptr_t)((((word) (etext)) + 0xfff) & ~0xfff))

 #       endif

-#       if defined(__GLIBC__)

+#       if defined(__GLIBC__) && !defined(__UCLIBC__)

           /* At present, there's a bug in GLibc getcontext() on         */

           /* Linux/x64 (it clears FPU exception mask).  We define this  */

           /* macro to workaround it.                                    */

-- 

1.9.2