[OE-core] [jethro][PATCH] gcc-multilib-config: make aarch64 support multilib

[Zheng, Ruoqin]

I installed the SDK and use it to compile source code.
. /opt/poky/2.0.3/environment-setup-armv7a-vfp-neon-pokymllib32-linux-gnueabi
$CC -o check_endian_arm32 check_endian.c

. /opt/poky/2.0.3/environment-setup-aarch64-poky-linux
$CC -o check_endian_arm64 check_endian.c

From: Khem Raj [mailto:raj.khem at gmail.com]
Sent: Thursday, March 16, 2017 10:06 AM
To: openembedded-core at lists.openembedded.org; Zheng, Ruoqin/郑 若钦 <zhengrq.fnst at cn.fujitsu.com>
Subject: Re: [OE-core] [jethro][PATCH] gcc-multilib-config: make aarch64 support multilib


On Wed, Mar 15, 2017 at 2:36 AM zhengrq <zhengrq.fnst at cn.fujitsu.com<mailto:zhengrq.fnst at cn.fujitsu.com>> wrote:
  Fixed:
  MACHINE = qemuarm64
  require conf/multilib.conf
  MULTILIBS = "multilib:lib32"
  DEFAULTTUNE_virtclass-multilib-lib32 = "armv7at-neon"

  $ bitbake core-image-minimal -cpopulate_sdk

  WARNING: gcc multilib setup is not supported for TARGET_ARCH=aarch64
  WARNING: gcc multilib setup is not supported for TARGET_ARCH=aarch64

  [YOCTO #8638]

Gcc backend for aarch64 is separate from arm targets how have you tested the generated compiler sdk


  (From OE-Core rev: 0ae52c8b2c1d7d7cdbcfeeae6ff42e64f16bc41d)

Signed-off-by: Robert Yang <liezhi.yang at windriver.com<mailto:liezhi.yang at windriver.com>>
Signed-off-by: Ross Burton <ross.burton at intel.com<mailto:ross.burton at intel.com>>
Signed-off-by: Richard Purdie <richard.purdie at linuxfoundation.org<mailto:richard.purdie at linuxfoundation.org>>
Signed-off-by: Zheng Ruoqin <zhengrq.fnst at cn.fujitsu.com<mailto:zhengrq.fnst at cn.fujitsu.com>>
---
 meta/recipes-devtools/gcc/gcc-multilib-config.inc | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/meta/recipes-devtools/gcc/gcc-multilib-config.inc b/meta/recipes-devtools/gcc/gcc-multilib-config.inc
index 1c0a45a..a0a2ac0 100644
--- a/meta/recipes-devtools/gcc/gcc-multilib-config.inc
+++ b/meta/recipes-devtools/gcc/gcc-multilib-config.inc
@@ -29,6 +29,9 @@ python gcc_multilib_setup() {
     bb.utils.remove(build_conf_dir, True)
     ml_globs = ('%s/*/t-linux64' % src_conf_dir,
                 '%s/*/linux64.h' % src_conf_dir,
+                '%s/aarch64/t-aarch64' % src_conf_dir,
+                '%s/aarch64/aarch64.h' % src_conf_dir,
+                '%s/aarch64/aarch64-cores.def' % src_conf_dir,
                 '%s/*/linux.h' % src_conf_dir,
                 '%s/linux.h' % src_conf_dir)

@@ -130,6 +133,8 @@ python gcc_multilib_setup() {
         'mips64'    : ['gcc/config/mips/t-linux64'],
         'powerpc'   : ['gcc/config/rs6000/t-linux64'],
         'powerpc64' : ['gcc/config/rs6000/t-linux64'],
+        'aarch64'   : ['gcc/config/aarch64/t-aarch64'],
+        'arm'       : ['gcc/config/aarch64/t-aarch64'],
     }

     gcc_header_config_files = {
@@ -140,6 +145,8 @@ python gcc_multilib_setup() {
         'mips64'    : ['gcc/config/mips/linux.h', 'gcc/config/mips/linux64.h'],
         'powerpc'   : ['gcc/config/rs6000/linux64.h'],
         'powerpc64' : ['gcc/config/rs6000/linux64.h'],
+        'aarch64'   : ['gcc/config/aarch64/aarch64.h'],
+        'arm'       : ['gcc/config/aarch64/aarch64.h'],
     }

     libdir32 = 'SYSTEMLIBS_DIR'
--
2.7.4



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