Re: [PATCH 3/9] gcc-4.9: redefine dynamic linker for aarch64

[Mark Hatle <mark.hatle@windriver.com>]

On 9/18/14, 2:19 AM, Khem Raj wrote:
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> On 9/16/14 8:06 AM, Kai Kang wrote:
>> Redefine dynamic linker for aarch64 from /lib to /lib64.
>>
>> BASELIB of aarch64 has to be defined with 'lib64', then linker file
>> ld-linux-aarch64.so.1 is installed into /lib64 rather than /lib. So
>> update it here too.
>
> hmmm since the ldso name is different it can still live in /lib
> and there will be ilp32 version ldso multilib as well later. can we keep
> ldso in /lib ?

I thought the upstream definition (managed by ARM Ltd, and Linaro) for the ld.so 
had changed a few months back so that /lib64 was the 'standard' location for the 
ldso.  Perhaps I'm mistaken?

--Mark

>>
>> Signed-off-by: Kai Kang <kai.kang@windriver.com>
>> ---
>>   meta/recipes-devtools/gcc/gcc-4.9.inc              |  1 +
>>   .../0056-redefine-dynamic-linker-for-aarch64.patch | 34 ++++++++++++++++++++++
>>   2 files changed, 35 insertions(+)
>>   create mode 100644 meta/recipes-devtools/gcc/gcc-4.9/0056-redefine-dynamic-linker-for-aarch64.patch
>>
>> diff --git a/meta/recipes-devtools/gcc/gcc-4.9.inc b/meta/recipes-devtools/gcc/gcc-4.9.inc
>> index 25778bd..c434a45 100644
>> --- a/meta/recipes-devtools/gcc/gcc-4.9.inc
>> +++ b/meta/recipes-devtools/gcc/gcc-4.9.inc
>> @@ -70,6 +70,7 @@ SRC_URI = "\
>>       file://0053-gcc-fix-segfault-from-calling-free-on-non-malloc-d-a.patch \
>>       file://0054-gcc-Makefile.in-fix-parallel-building-failure.patch \
>>       file://0055-PR-rtl-optimization-61801.patch \
>> +    file://0056-redefine-dynamic-linker-for-aarch64.patch \
>>   "
>>   SRC_URI[md5sum] = "fddf71348546af523353bd43d34919c1"
>>   SRC_URI[sha256sum] = "d334781a124ada6f38e63b545e2a3b8c2183049515a1abab6d513f109f1d717e"
>> diff --git a/meta/recipes-devtools/gcc/gcc-4.9/0056-redefine-dynamic-linker-for-aarch64.patch b/meta/recipes-devtools/gcc/gcc-4.9/0056-redefine-dynamic-linker-for-aarch64.patch
>> new file mode 100644
>> index 0000000..6933e2f
>> --- /dev/null
>> +++ b/meta/recipes-devtools/gcc/gcc-4.9/0056-redefine-dynamic-linker-for-aarch64.patch
>> @@ -0,0 +1,34 @@
>> +From 8fbb60d89e569b68b13e4fd419e20640eb49cabc Mon Sep 17 00:00:00 2001
>> +From: Kai Kang <kai.kang@windriver.com>
>> +Date: Tue, 16 Sep 2014 16:01:31 +0800
>> +Subject: [PATCH] Redefine dynamic linker for aarch64
>> +
>> +Redefine dynamic linker for aarch64 from /lib to /lib64.
>> +
>> +BASELIB of aarch64 has to be defined with 'lib64', then linker file
>> +ld-linux-aarch64.so.1 is installed into /lib64 rather than /lib. So
>> +update it here too.
>> +
>> +Upstream-Status: Pending
>> +
>> +Signed-off-by: Kai Kang <kai.kang@windriver.com>
>> +---
>> + gcc/config/aarch64/aarch64-linux.h | 2 +-
>> + 1 file changed, 1 insertion(+), 1 deletion(-)
>> +
>> +diff --git a/gcc/config/aarch64/aarch64-linux.h b/gcc/config/aarch64/aarch64-linux.h
>> +index a8f0771..2a6f06d 100644
>> +--- a/gcc/config/aarch64/aarch64-linux.h
>> ++++ b/gcc/config/aarch64/aarch64-linux.h
>> +@@ -21,7 +21,7 @@
>> + #ifndef GCC_AARCH64_LINUX_H
>> + #define GCC_AARCH64_LINUX_H
>> +
>> +-#define GLIBC_DYNAMIC_LINKER "/lib/ld-linux-aarch64%{mbig-endian:_be}.so.1"
>> ++#define GLIBC_DYNAMIC_LINKER "/lib64/ld-linux-aarch64%{mbig-endian:_be}.so.1"
>> +
>> + #define CPP_SPEC "%{pthread:-D_REENTRANT}"
>> +
>> +--
>> +1.9.1
>> +
>>
>
> - --
> - -Khem
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