git: 9c2dbbe2b55a - stable/13 - make cross build from arm64 work..

From: Dimitry Andric <dim_at_FreeBSD.org>
Date: Sun, 07 Jan 2024 23:08:04 UTC 
The branch stable/13 has been updated by dim:

URL: https://cgit.FreeBSD.org/src/commit/?id=9c2dbbe2b55ac5e2b2af0711f39832f87e57ae5e

commit 9c2dbbe2b55ac5e2b2af0711f39832f87e57ae5e
Author:     John-Mark Gurney <jmg@FreeBSD.org>
AuthorDate: 2023-02-24 05:47:03 +0000
Commit:     Dimitry Andric <dim@FreeBSD.org>
CommitDate: 2024-01-07 23:04:33 +0000

    make cross build from arm64 work..
    
    Reviewed by:    dim, imp, emaste
    MFC after:      2 weeks
    Differential Revision: https://reviews.freebsd.org/D38762
    
    (cherry picked from commit eb81dd8404e55c8e048acfb1cd4f4c3c021afaf4)
---
 lib/clang/libllvm/Makefile | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/lib/clang/libllvm/Makefile b/lib/clang/libllvm/Makefile
index 600dad91040d..7cbf56401d5b 100644
--- a/lib/clang/libllvm/Makefile
+++ b/lib/clang/libllvm/Makefile
@@ -31,6 +31,9 @@ TARGET_ARCH?=	${MACHINE_ARCH}
 CFLAGS+=	-DBLAKE3_NO_AVX512 -DBLAKE3_NO_AVX2 -DBLAKE3_NO_SSE41 \
 		-DBLAKE3_NO_SSE2
 .endif
+.if ${TARGET_ARCH} != "arm64"
+CFLAGS+=	-DBLAKE3_USE_NEON=0
+.endif
 
 SRCDIR=		llvm/lib