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-rw-r--r--util/oslib-posix.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/util/oslib-posix.c b/util/oslib-posix.c
index 77369c92ce..4655bc1f89 100644
--- a/util/oslib-posix.c
+++ b/util/oslib-posix.c
@@ -105,7 +105,7 @@ void *qemu_try_memalign(size_t alignment, size_t size)
alignment = sizeof(void*);
}
-#if defined(_POSIX_C_SOURCE) && !defined(__sun__)
+#if defined(CONFIG_POSIX_MEMALIGN)
int ret;
ret = posix_memalign(&ptr, alignment, size);
if (ret != 0) {