diff --git a/offload/test/mapping/map_ptr_and_star_global.c b/offload/test/mapping/map_ptr_and_star_global.c
index c3b0dd2f49e6b..869fb8ca9bc2d 100644
--- a/offload/test/mapping/map_ptr_and_star_global.c
+++ b/offload/test/mapping/map_ptr_and_star_global.c
@@ -1,5 +1,7 @@
 // RUN: %libomptarget-compilexx-run-and-check-generic
 
+// REQUIRES: libc
+
 #include <omp.h>
 #include <stdio.h>
 
diff --git a/offload/test/mapping/map_ptr_and_star_local.c b/offload/test/mapping/map_ptr_and_star_local.c
index f0ca84d1cc4dd..cc826b3c0290b 100644
--- a/offload/test/mapping/map_ptr_and_star_local.c
+++ b/offload/test/mapping/map_ptr_and_star_local.c
@@ -1,5 +1,7 @@
 // RUN: %libomptarget-compilexx-run-and-check-generic
 
+// REQUIRES: libc
+
 #include <omp.h>
 #include <stdio.h>
 
diff --git a/offload/test/mapping/map_ptr_and_subscript_global.c b/offload/test/mapping/map_ptr_and_subscript_global.c
index a3a10b6c9b212..839db068aa906 100644
--- a/offload/test/mapping/map_ptr_and_subscript_global.c
+++ b/offload/test/mapping/map_ptr_and_subscript_global.c
@@ -1,5 +1,7 @@
 // RUN: %libomptarget-compilexx-run-and-check-generic
 
+// REQUIRES: libc
+
 #include <omp.h>
 #include <stdio.h>
 
diff --git a/offload/test/mapping/map_ptr_and_subscript_local.c b/offload/test/mapping/map_ptr_and_subscript_local.c
index bb44999541a7b..68ac9dc0917fc 100644
--- a/offload/test/mapping/map_ptr_and_subscript_local.c
+++ b/offload/test/mapping/map_ptr_and_subscript_local.c
@@ -1,5 +1,7 @@
 // RUN: %libomptarget-compilexx-run-and-check-generic
 
+// REQUIRES: libc
+
 #include <omp.h>
 #include <stdio.h>
 
diff --git a/offload/test/mapping/map_structptr_and_member_global.c b/offload/test/mapping/map_structptr_and_member_global.c
index 10e72e070dbc5..960eea419964f 100644
--- a/offload/test/mapping/map_structptr_and_member_global.c
+++ b/offload/test/mapping/map_structptr_and_member_global.c
@@ -1,5 +1,7 @@
 // RUN: %libomptarget-compilexx-run-and-check-generic
 
+// REQUIRES: libc
+
 #include <omp.h>
 #include <stdio.h>
 
diff --git a/offload/test/mapping/map_structptr_and_member_local.c b/offload/test/mapping/map_structptr_and_member_local.c
index 9e59551ad3d6c..bd759407ef09c 100644
--- a/offload/test/mapping/map_structptr_and_member_local.c
+++ b/offload/test/mapping/map_structptr_and_member_local.c
@@ -1,5 +1,7 @@
 // RUN: %libomptarget-compilexx-run-and-check-generic
 
+// REQUIRES: libc
+
 #include <omp.h>
 #include <stdio.h>