Thread (6 messages) 6 messages, 2 authors, 2020-02-26

[PATCH] cpupower: avoid multiple definition with gcc -fno-common

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STALE2427d

From: Mike Gilbert <hidden>
Date: 2020-02-01 17:51:31
Subsystem: cpu power monitoring subsystem, the rest · Maintainers: Thomas Renninger, Shuah Khan, Shuah Khan, John B. Wyatt IV, John B. Wyatt IV, John Kacur, Linus Torvalds

The -fno-common option will be enabled by default in GCC 10.

Bug: https://bugs.gentoo.org/707462
Signed-off-by: Mike Gilbert <redacted>
---
 tools/power/cpupower/utils/idle_monitor/amd_fam14h_idle.c  | 2 +-
 tools/power/cpupower/utils/idle_monitor/cpupower-monitor.c | 2 ++
 tools/power/cpupower/utils/idle_monitor/cpupower-monitor.h | 2 +-
 3 files changed, 4 insertions(+), 2 deletions(-)
diff --git a/tools/power/cpupower/utils/idle_monitor/amd_fam14h_idle.c b/tools/power/cpupower/utils/idle_monitor/amd_fam14h_idle.c
index 33dc34db4f3c..1b69f25a1281 100644
--- a/tools/power/cpupower/utils/idle_monitor/amd_fam14h_idle.c
+++ b/tools/power/cpupower/utils/idle_monitor/amd_fam14h_idle.c
@@ -82,7 +82,7 @@ static struct pci_access *pci_acc;
 static struct pci_dev *amd_fam14h_pci_dev;
 static int nbp1_entered;
 
-struct timespec start_time;
+extern struct timespec start_time;
 static unsigned long long timediff;
 
 #ifdef DEBUG
diff --git a/tools/power/cpupower/utils/idle_monitor/cpupower-monitor.c b/tools/power/cpupower/utils/idle_monitor/cpupower-monitor.c
index 6d44fec55ad5..7c77045fef52 100644
--- a/tools/power/cpupower/utils/idle_monitor/cpupower-monitor.c
+++ b/tools/power/cpupower/utils/idle_monitor/cpupower-monitor.c
@@ -27,6 +27,8 @@ struct cpuidle_monitor *all_monitors[] = {
 0
 };
 
+int cpu_count;
+
 static struct cpuidle_monitor *monitors[MONITORS_MAX];
 static unsigned int avail_monitors;
 
diff --git a/tools/power/cpupower/utils/idle_monitor/cpupower-monitor.h b/tools/power/cpupower/utils/idle_monitor/cpupower-monitor.h
index 5b5eb1da0cce..c559d3115330 100644
--- a/tools/power/cpupower/utils/idle_monitor/cpupower-monitor.h
+++ b/tools/power/cpupower/utils/idle_monitor/cpupower-monitor.h
@@ -25,7 +25,7 @@
 #endif
 #define CSTATE_DESC_LEN 60
 
-int cpu_count;
+extern int cpu_count;
 
 /* Hard to define the right names ...: */
 enum power_range_e {
-- 
2.25.0
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