From cd07923dd2ed34aca353dfd182f2f85c13853fd9 Mon Sep 17 00:00:00 2001
From: Natanael Copa <ncopa@alpinelinux.org>
Date: Mon, 14 Mar 2016 14:14:30 +0000
Subject: [PATCH 1/2] fix compilation with musl libc

the HZ define is not exposed by musl libc.
---
 src/os/linux/linux_sigar.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/os/linux/linux_sigar.c b/src/os/linux/linux_sigar.c
index a3fd2301..7f38497d 100644
--- a/src/os/linux/linux_sigar.c
+++ b/src/os/linux/linux_sigar.c
@@ -46,6 +46,10 @@
 #define PROC_PARTITIONS PROC_FS_ROOT "partitions"
 #define PROC_DISKSTATS  PROC_FS_ROOT "diskstats"
 
+#ifndef HZ
+#define HZ 100
+#endif
+
 /*
  * /proc/self/stat fields:
  * 1 - pid

From 621764c13d2de3e03c77eb6cbc4cc9e472f193c5 Mon Sep 17 00:00:00 2001
From: Natanael Copa <ncopa@alpinelinux.org>
Date: Mon, 14 Mar 2016 14:17:29 +0000
Subject: [PATCH 2/2] only enable the GNU libc strerror_r on GNU libc

We don't want use the non-standard GNU libc variant of strerror_r on
musl libc, or any libc other than GNU.
---
 src/os/linux/sigar_os.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/os/linux/sigar_os.h b/src/os/linux/sigar_os.h
index 29a2ba32..7e1ead7d 100644
--- a/src/os/linux/sigar_os.h
+++ b/src/os/linux/sigar_os.h
@@ -70,7 +70,7 @@ struct sigar_t {
 };
 
 #define HAVE_STRERROR_R
-#ifndef __USE_XOPEN2K
+#if !defined(__USE_XOPEN2K) && defined(__GLIBC__)
 /* use gnu version of strerror_r */
 #define HAVE_STRERROR_R_GLIBC
 #endif