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From 6a46bf151d7e53df8b5e7645a2d241967688368a 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 06/15] 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 711d537e95..7cd2dc176a 100644
--- a/gas/configure.tgt
+++ b/gas/configure.tgt
@@ -494,6 +494,12 @@ 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 | riscv | sparc | z80 | z8k)
bfd_gas=yes
--
2.12.0
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