From b3497982ac1d461ce6c2193f8b4157508779ff12 Mon Sep 17 00:00:00 2001
From: Sergey Fedorov <vital.had@gmail.com>
Date: Mon, 23 Sep 2024 22:32:38 +0800
Subject: [PATCH] cpuid.c: fix build on Linux riscv64

---
 gprofng/common/cpuid.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/gprofng/common/cpuid.c b/gprofng/common/cpuid.c
index 891d5471335..5f48615cb3e 100644
--- a/gprofng/common/cpuid.c
+++ b/gprofng/common/cpuid.c
@@ -18,6 +18,10 @@
    Foundation, 51 Franklin Street - Fifth Floor, Boston,
    MA 02110-1301, USA.  */
 
+#ifdef __linux__
+#include <linux/version.h>
+#endif
+
 #if defined(__i386__) || defined(__x86_64)
 #include <cpuid.h>  /* GCC-provided */
 #elif defined(__aarch64__)
@@ -46,8 +50,11 @@ __get_cpuid (unsigned int op ATTRIBUTE_UNUSED, unsigned int *eax,
 #include <sched.h>
 #include <sys/syscall.h>
 #include <unistd.h>
+// This header does not exist in earlier versions.
+#if defined(__linux__) && LINUX_VERSION_CODE >= KERNEL_VERSION(6,4,0)
 #include <asm/hwprobe.h>
 #endif
+#endif
 
 /*
  * Various routines to handle identification
-- 
2.46.1