tools/power turbostat: Replace _Static_assert with BUILD_BUG_ON

Patryk Wlazlyn · lenb · commit d3e6f6253895 · 2024-05-01T00:04:24.000-04:00
So it compiles on GCC older than 9.0.

Signed-off-by: Patryk Wlazlyn &lt;patryk.wlazlyn@linux.intel.com&gt;
Signed-off-by: Len Brown &lt;len.brown@intel.com&gt;
diff --git a/tools/power/x86/turbostat/turbostat.c b/tools/power/x86/turbostat/turbostat.c
@@ -38,6 +38,7 @@
 #include <stdbool.h>
 #include <assert.h>
 #include <linux/kernel.h>
+#include <linux/build_bug.h>
 
 #define UNUSED(x) (void)(x)
 
@@ -3467,7 +3468,7 @@ int get_rapl_counters(int cpu, int domain, struct core_data *c, struct pkg_data
 		}
 	}
 
-	_Static_assert(NUM_RAPL_COUNTERS == 7);
+	BUILD_BUG_ON(NUM_RAPL_COUNTERS != 7);
 	write_rapl_counter(&p->energy_pkg, rci, RAPL_RCI_INDEX_ENERGY_PKG);
 	write_rapl_counter(&p->energy_cores, rci, RAPL_RCI_INDEX_ENERGY_CORES);
 	write_rapl_counter(&p->energy_dram, rci, RAPL_RCI_INDEX_DRAM);

Original file line number	Diff line number	Diff line change
`@@ -38,6 +38,7 @@`
`38`	`38`	`#include <stdbool.h>`
`39`	`39`	`#include <assert.h>`
`40`	`40`	`#include <linux/kernel.h>`
	`41`	`+#include <linux/build_bug.h>`
`41`	`42`
`42`	`43`	`#define UNUSED(x) (void)(x)`
`43`	`44`
`@@ -3467,7 +3468,7 @@ int get_rapl_counters(int cpu, int domain, struct core_data *c, struct pkg_data`
`3467`	`3468`	`}`
`3468`	`3469`	`}`
`3469`	`3470`
`3470`		`- _Static_assert(NUM_RAPL_COUNTERS == 7);`
	`3471`	`+ BUILD_BUG_ON(NUM_RAPL_COUNTERS != 7);`
`3471`	`3472`	`write_rapl_counter(&p->energy_pkg, rci, RAPL_RCI_INDEX_ENERGY_PKG);`
`3472`	`3473`	`write_rapl_counter(&p->energy_cores, rci, RAPL_RCI_INDEX_ENERGY_CORES);`
`3473`	`3474`	`write_rapl_counter(&p->energy_dram, rci, RAPL_RCI_INDEX_DRAM);`