diff -ruN spack-src/test/ninja_test_hypre_parasails.c spack-src-patched/test/ninja_test_hypre_parasails.c
--- spack-src/test/ninja_test_hypre_parasails.c	2017-04-25 12:24:43.000000000 -0700
+++ spack-src-patched/test/ninja_test_hypre_parasails.c	2023-06-28 07:41:49.676373145 -0700
@@ -306,7 +306,7 @@
 
 #define LEN (64)
 float calibration = 1;
-int a[LEN];
+static int a[LEN];
 static void do_noise_work(float msec, int bool)
 {
 #ifdef ENABLE_NOISE
diff -ruN spack-src/test/ninja_test_util.c spack-src-patched/test/ninja_test_util.c
--- spack-src/test/ninja_test_util.c	2017-03-13 15:36:28.000000000 -0700
+++ spack-src-patched/test/ninja_test_util.c	2023-06-28 07:42:06.444492687 -0700
@@ -31,7 +31,7 @@
 
 #define LEN (2)
 int lpusec;
-int a[LEN];
+static int a[LEN];
 static void do_noise_work(int loops)
 { 
   int i;