From 43a312877afecc793dc1f517cbc234ca9f8beeac Mon Sep 17 00:00:00 2001
From: Natanael Copa <ncopa@alpinelinux.org>
Date: Mon, 14 Mar 2016 14:12:47 +0000
Subject: [PATCH 1/3] add support for libtirc

musl libc does not ship rpc functions and rpc is marked as absolete in
glibc too. So add support for libtircp.
---
 src/CMakeLists.txt | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index eff9972c2..8bd9038ba 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -26,6 +26,10 @@ int main()
 
 ENDMACRO (CHECK_STRUCT_MEMBER)
 
+FIND_PACKAGE(PkgConfig)
+PKG_CHECK_MODULES(TIRPC libtirpc)
+INCLUDE_DIRECTORIES(${TIRPC_INCLUDE_DIRS})
+
 
 ## linux
 IF(CMAKE_SYSTEM_NAME STREQUAL "Linux")
@@ -104,6 +108,7 @@ ENDIF(WIN32)
 IF(SIGAR_LINK_FLAGS)
   SET_TARGET_PROPERTIES(sigar PROPERTIES LINK_FLAGS "${SIGAR_LINK_FLAGS}")
 ENDIF(SIGAR_LINK_FLAGS)
+TARGET_LINK_LIBRARIES(sigar ${TIRPC_LIBRARIES})
 
 INSTALL(TARGETS sigar
 	RUNTIME DESTINATION bin

From 5e09cdb086a77314dfbff5dc0a18359bac965111 Mon Sep 17 00:00:00 2001
From: Natanael Copa <ncopa@alpinelinux.org>
Date: Mon, 14 Mar 2016 14:14:30 +0000
Subject: [PATCH 2/3] 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 a3fd23010..7f38497df 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 e78f794c22e7825374d1d9bda37f649ed2f725d3 Mon Sep 17 00:00:00 2001
From: Natanael Copa <ncopa@alpinelinux.org>
Date: Mon, 14 Mar 2016 14:17:29 +0000
Subject: [PATCH 3/3] 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 29a2ba323..7e1ead7d8 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