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-rw-r--r--meta/recipes-devtools/gcc/gcc-common.inc10
-rw-r--r--meta/recipes-devtools/gcc/gcc-target.inc2
2 files changed, 11 insertions, 1 deletions
diff --git a/meta/recipes-devtools/gcc/gcc-common.inc b/meta/recipes-devtools/gcc/gcc-common.inc
index 2abc0e355d..d3b36937bf 100644
--- a/meta/recipes-devtools/gcc/gcc-common.inc
+++ b/meta/recipes-devtools/gcc/gcc-common.inc
@@ -32,6 +32,16 @@ def get_gcc_float_setting(bb, d):
get_gcc_float_setting[vardepvalue] = "${@get_gcc_float_setting(bb, d)}"
+def get_gcc_x86_64_arch_setting(bb, d):
+ import re
+ march = re.match(r'^.*-march=([^\s]*)', d.getVar('TUNE_CCARGS'))
+ if march:
+ return "--with-arch=%s " % march.group(1)
+ # The earliest supported x86-64 CPU
+ return "--with-arch=core2"
+
+get_gcc_x86_64_arch_setting[vardepvalue] = "${@get_gcc_x86_64_arch_setting(bb, d)}"
+
def get_gcc_mips_plt_setting(bb, d):
if d.getVar('TRANSLATED_TARGET_ARCH') in [ 'mips', 'mipsel' ] and bb.utils.contains('DISTRO_FEATURES', 'mplt', True, False, d):
return "--with-mips-plt"
diff --git a/meta/recipes-devtools/gcc/gcc-target.inc b/meta/recipes-devtools/gcc/gcc-target.inc
index cc65e995c3..7dac3ef422 100644
--- a/meta/recipes-devtools/gcc/gcc-target.inc
+++ b/meta/recipes-devtools/gcc/gcc-target.inc
@@ -19,7 +19,7 @@ EXTRA_OECONF:append:armv6:class-target = " --with-arch=armv6${ARMFPARCHEXT}"
EXTRA_OECONF:append:armv7a:class-target = " --with-arch=armv7-a${ARMFPARCHEXT}"
EXTRA_OECONF:append:armv7ve:class-target = " --with-arch=armv7ve${ARMFPARCHEXT}"
EXTRA_OECONF:append:arc:class-target = " --with-cpu=${TUNE_PKGARCH}"
-EXTRA_OECONF:append:x86-64:class-target = " --with-arch=native"
+EXTRA_OECONF:append:x86-64:class-target = " ${@get_gcc_x86_64_arch_setting(bb, d)}"
# libcc1 requres gcc_cv_objdump when cross build, but gcc_cv_objdump is
# set in subdir gcc, so subdir libcc1 can't use it, export it here to