From 84eaad62e95b9a80df2138db3fed2a186ef00b62 Mon Sep 17 00:00:00 2001
From: Baruch Siach <baruch@tkos.co.il>
Date: Tue, 17 Apr 2018 18:46:29 +0300
Subject: [PATCH] Fix build when __GLIBC_PREREQ is not defined

Rearrange the code so that __GLIBC_PREREQ is not used when not defined.
This fixes build with musl libc.

[baruch: backport to v0.2.20]
Signed-off-by: Baruch Siach <baruch@tkos.co.il>
---
Upstream status: combines upstream commits 480e69768176 and c4af196a2d
---
 driver/others/init.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/driver/others/init.c b/driver/others/init.c
index 4c75d72e4075..adce075f0ac0 100644
--- a/driver/others/init.c
+++ b/driver/others/init.c
@@ -838,7 +838,11 @@ void gotoblas_affinity_init(void) {
 
     nums = sysconf(_SC_NPROCESSORS_CONF);
      
-#if !defined(__GLIBC_PREREQ) || !__GLIBC_PREREQ(2, 3)
+#if !defined(__GLIBC_PREREQ)
+    common->num_procs = nums;
+#else
+
+#if !__GLIBC_PREREQ(2, 3)
     common->num_procs = nums;
 #elif __GLIBC_PREREQ(2, 7)
     cpusetp = CPU_ALLOC(nums);
@@ -872,6 +876,8 @@ void gotoblas_affinity_init(void) {
 
 #endif 
 
+#endif
+
     if(common -> num_procs > MAX_CPUS) {
       fprintf(stderr, "\nOpenBLAS Warning : The number of CPU/Cores(%d) is beyond the limit(%d). Terminated.\n", common->num_procs, MAX_CPUS);
       exit(1);
-- 
2.17.0