From: Jie Fu (傅杰) <redacted>
Date: Mon, 13 Oct 2025 12:48:47 +0000 (+0800)
Subject: ggml : fix build broken with -march=armv9-a on MacOS (llama/16520)
X-Git-Tag: upstream/0.9.4.58~12
X-Git-Url: https://git.djapps.eu/?a=commitdiff_plain;h=ac314c148b8b522e9d8e5dcfe6ed0817eb64cf5f;p=pkg%2Fggml%2Fsources%2Fggml

ggml : fix build broken with -march=armv9-a on MacOS (llama/16520)

* ggml : fix build broken with -march=armv9-a on MacOS

Signed-off-by: Jie Fu <redacted>

* Add #pragma message

Signed-off-by: Jie Fu <redacted>

* Address review comment.

Signed-off-by: Jie Fu <redacted>

* Update ggml/src/ggml-cpu/ggml-cpu.c

---------

Signed-off-by: Jie Fu <redacted>
Co-authored-by: Diego Devesa <redacted>
---

diff --git a/src/ggml-cpu/ggml-cpu-impl.h b/src/ggml-cpu/ggml-cpu-impl.h
index 799e2b11..713bf85e 100644
--- a/src/ggml-cpu/ggml-cpu-impl.h
+++ b/src/ggml-cpu/ggml-cpu-impl.h
@@ -68,7 +68,7 @@ struct ggml_compute_params {
 #endif  // __VXE2__
 #endif  // __s390x__ && __VEC__
 
-#if defined(__ARM_FEATURE_SVE)
+#if defined(__ARM_FEATURE_SVE) && defined(__linux__)
 #include <sys/prctl.h>
 #endif
 
diff --git a/src/ggml-cpu/ggml-cpu.c b/src/ggml-cpu/ggml-cpu.c
index eded6eb7..ba2a36d9 100644
--- a/src/ggml-cpu/ggml-cpu.c
+++ b/src/ggml-cpu/ggml-cpu.c
@@ -689,8 +689,13 @@ bool ggml_is_numa(void) {
 #endif
 
 static void ggml_init_arm_arch_features(void) {
-#if defined(__linux__) && defined(__aarch64__) && defined(__ARM_FEATURE_SVE)
+#if defined(__aarch64__) && defined(__ARM_FEATURE_SVE)
+#if defined(__linux__)
     ggml_arm_arch_features.sve_cnt = PR_SVE_VL_LEN_MASK & prctl(PR_SVE_GET_VL);
+#else
+    // TODO: add support of SVE for non-linux systems
+#error "TODO: SVE is not supported on this platform. To use SVE, sve_cnt needs to be initialized here."
+#endif
 #endif
 }