commit:     30f3ff1918fd6ced807451130fb79c432085470b
Author:     Sam James <sam <AT> gentoo <DOT> org>
AuthorDate: Mon Mar 11 18:59:31 2024 +0000
Commit:     Sam James <sam <AT> gentoo <DOT> org>
CommitDate: Mon Mar 11 19:20:16 2024 +0000
URL:        https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=30f3ff19

toolchain.eclass: pass --enable-standard-branch-detection if USE=cet

This enables BTI and PAC if supported for arm64. We decided to overload
USE=cet to avoid adding yet-another-USE flag to GCC, given it's the same
thing.

Bug: https://bugs.gentoo.org/916381
Signed-off-by: Sam James <sam <AT> gentoo.org>

 eclass/toolchain.eclass | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/eclass/toolchain.eclass b/eclass/toolchain.eclass
index 05409f0fc3fa..5a9749804b99 100644
--- a/eclass/toolchain.eclass
+++ b/eclass/toolchain.eclass
@@ -1240,7 +1240,10 @@ toolchain_src_configure() {
        fi
 
        if in_iuse cet ; then
-               confgcc+=( $(use_enable cet) )
+               confgcc+=(
+                       $(use_enable cet)
+                       $(use_enable cet standard-branch-protection)
+               )
        fi
 
        if in_iuse systemtap ; then

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