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nss: remove -march vs -mcpu workaround

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NSS's build tries to be clever and passes for example -march=armv8-a+crypto
explicitly, instead of relying on the person doing the compilation to
set the right flags.

This conflicts with our compiler flags which typically pass the ideal
tune for the target, for example -mcpu=cortex-a55+crc+crypto.

When this happens GCC warns that the flags conflict (which was promoted
to an error, now fixed) and -march takes precedence over -mcpu.

As there's a huge number of potential tune flags to remove to avoid the
conflict, now that warnings are not fatal we can stop removing the flags
and let GCC warn as the generated code is the same.

Signed-off-by: Ross Burton <ross.burton@arm.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>
This commit is contained in:
Ross Burton
2021-05-14 13:45:41 +01:00
committed by Khem Raj
parent c16459a2e6
commit 7fa165e0df
1 changed files with 0 additions and 4 deletions
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meta-oe/recipes-support/nss/nss_3.64.bb
-4
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@@ -43,10 +43,6 @@ inherit siteinfo
TD = "${S}/tentative-dist"
TDS = "${S}/tentative-dist-staging"
# 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"
TARGET_CC_ARCH += "${LDFLAGS}"
do_configure_prepend_libc-musl () {