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gcc: Do not set -march for arm64 for libatomic

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libatomic has mind of its own when it comes to setting -march for arm64
which conflicts with -mcpu option we pass from environment in some cases
since we always pass -march/-mcpu in OE, its safe to remove this option

mcpu removal from cortex-a55 is no longer needed since the option
conflict is now removed from libatomic instead

(From OE-Core rev: a5331c5a8bbe63c6c2e56ebec496b28968d4663d)

Signed-off-by: Khem Raj <raj.khem@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Khem Raj
2020-05-13 22:03:19 -07:00
committed by Richard Purdie
parent 74c132d23c
commit 18f718cefd
3 changed files with 43 additions and 4 deletions
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meta/recipes-devtools/gcc/gcc-runtime.inc
-4
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@@ -18,10 +18,6 @@ EXTRA_OECONF_append_linuxstdbase = " --enable-clocale=gnu"
EXTRA_OECONF_append = " --cache-file=${B}/config.cache"
EXTRA_OECONF_append_libc-newlib = " --with-newlib"
# cortex-a55 is ARMv8.2-a based but libatomic explicitly asks for -march=armv8.1-a
# which caused -march conflicts in gcc
TUNE_CCARGS_remove = "-mcpu=cortex-a55+crc -mcpu=cortex-a55 -mcpu=cortex-a55+crc+crypto"
# Disable ifuncs for libatomic on arm conflicts -march/-mcpu
EXTRA_OECONF_append_arm = " libat_cv_have_ifunc=no "
EXTRA_OECONF_append_armeb = " libat_cv_have_ifunc=no "