diff --git a/gcc/jit/jit-playback.cc b/gcc/jit/jit-playback.cc
index 6be6bdf8dea5c6174a47f57a130b1ab57db98e3f..79714132b91aea78acf730a897419563446d1c7b 100644
--- a/gcc/jit/jit-playback.cc
+++ b/gcc/jit/jit-playback.cc
@@ -19,6 +19,7 @@ along with GCC; see the file COPYING3.  If not see
 <http://www.gnu.org/licenses/>.  */
 
 #include "config.h"
+#define INCLUDE_PTHREAD_H
 #include "system.h"
 #include "coretypes.h"
 #include "target.h"
@@ -41,8 +42,6 @@ along with GCC; see the file COPYING3.  If not see
 #include "diagnostic.h"
 #include "stmt.h"
 
-#include <pthread.h>
-
 #include "jit-playback.h"
 #include "jit-result.h"
 #include "jit-builtins.h"
diff --git a/gcc/jit/jit-recording.cc b/gcc/jit/jit-recording.cc
index 697dee66e73306b57ff145e065e3804e431caa18..f78daed2d71a2b3e40d27a74cba18dba8e393472 100644
--- a/gcc/jit/jit-recording.cc
+++ b/gcc/jit/jit-recording.cc
@@ -19,13 +19,13 @@ along with GCC; see the file COPYING3.  If not see
 <http://www.gnu.org/licenses/>.  */
 
 #include "config.h"
+#define INCLUDE_PTHREAD_H
 #include "system.h"
 #include "coretypes.h"
 #include "tm.h"
 #include "pretty-print.h"
 #include "toplev.h"
 
-#include <pthread.h>
 
 #include "jit-builtins.h"
 #include "jit-recording.h"
diff --git a/gcc/jit/libgccjit.cc b/gcc/jit/libgccjit.cc
index 0e76097b4bac10620a1ee4a4229f285868cbe8a8..ca862662777eca87fce62fb2ac83dc9961307af4 100644
--- a/gcc/jit/libgccjit.cc
+++ b/gcc/jit/libgccjit.cc
@@ -19,12 +19,12 @@ along with GCC; see the file COPYING3.  If not see
 <http://www.gnu.org/licenses/>.  */
 
 #include "config.h"
+#define INCLUDE_PTHREAD_H
 #include "system.h"
 #include "coretypes.h"
 #include "timevar.h"
 #include "typed-splay-tree.h"
 #include "cppbuiltin.h"
-#include <pthread.h>
 
 #include "libgccjit.h"
 #include "jit-recording.h"
diff --git a/gcc/system.h b/gcc/system.h
index 67158b70c789def77db538412532740b452b862e..f8d42ff68150574fb71aa619358406b1763be229 100644
--- a/gcc/system.h
+++ b/gcc/system.h
@@ -753,6 +753,10 @@ extern int vsnprintf (char *, size_t, const char *, va_list);
 #endif
 #endif
 
+#ifdef INCLUDE_PTHREAD_H
+#include <pthread.h>
+#endif
+
 #ifdef INCLUDE_ISL
 #ifdef HAVE_isl
 #include <isl/options.h>