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From 18a7ae169e8d55ace683357d1de6b07e4fdf797a Mon Sep 17 00:00:00 2001
From: Khem Raj <raj.khem@gmail.com>
Date: Mon, 2 Mar 2015 01:32:49 +0000
Subject: [PATCH 05/13] Explicitly link with libm on uclibc
Description:
We do not need to have the libtool patch anymore for binutils after
libtool has been updated upstream it include support for it. However
for building gas natively on uclibc systems we have to link it with
-lm so that it picks up missing symbols.
/local/build_area/BUILD/arm_v5t_le_uclibc/binutils-2.17.50/objdir/libiberty/pic/libiberty.a(floatformat.o):
In function `floatformat_from_double':
floatformat.c:(.text+0x1ec): undefined reference to `frexp'
floatformat.c:(.text+0x2f8): undefined reference to `ldexp'
/local/build_area/BUILD/arm_v5t_le_uclibc/binutils-2.17.50/objdir/libiberty/pic/libiberty.a(floatformat.o):
In function `floatformat_to_double':
floatformat.c:(.text+0x38a): undefined reference to `ldexp'
floatformat.c:(.text+0x3d2): undefined reference to `ldexp'
floatformat.c:(.text+0x43e): undefined reference to `ldexp'
floatformat.c:(.text+0x4e2): undefined reference to `ldexp'
collect2: ld returned 1 exit status
make[4]: *** [as-new] Error 1
Upstream-Status: Pending
Signed-off-by: Khem Raj <raj.khem@gmail.com>
---
gas/configure.tgt | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/gas/configure.tgt b/gas/configure.tgt
index e2df659..1b9fd99 100644
--- a/gas/configure.tgt
+++ b/gas/configure.tgt
@@ -487,6 +487,12 @@ case ${generic_target} in
*-*-netware) fmt=elf em=netware ;;
esac
+case ${generic_target} in
+ arm-*-*uclibc*)
+ need_libm=yes
+ ;;
+esac
+
case ${cpu_type} in
aarch64 | alpha | arm | i386 | ia64 | microblaze | mips | ns32k | or1k | or1knd | pdp11 | ppc | sparc | z80 | z8k)
bfd_gas=yes
--
2.9.0
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