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From f1703bcc7a5c507e471e2630b5a2de129100315a 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 9abc768..1d92f55 100644
--- a/gas/configure.tgt
+++ b/gas/configure.tgt
@@ -477,6 +477,12 @@ 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
--
2.1.4
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