diff -uNr gmic-2.6.7/src/CImg.h gmic-2.6.7.mod/src/CImg.h
--- gmic-2.6.7/src/CImg.h	2019-06-28 09:56:12.000000000 +0300
+++ gmic-2.6.7.mod/src/CImg.h	2019-06-29 18:45:02.595895578 +0300
@@ -3249,6 +3249,7 @@
       bool is_blue_first;
       bool is_shm_enabled;
       bool byte_order;
+      bool pending_cancel;
 
 #ifdef cimg_use_xrandr
       XRRScreenSize *resolutions;
@@ -3275,7 +3276,12 @@
       ~X11_attr() {
         /*
           if (events_thread) {
+#ifndef __ANDROID__
           pthread_cancel(*events_thread);
+#else
+          cimg::X11_attr::ref().pending_cancel = true;
+          pthread_join(*events_thread, NULL);
+#endif
           delete events_thread;
           }
           pthread_cond_destroy(&wait_event);
@@ -9914,8 +9920,12 @@
     static void* _events_thread(void *arg) { // Thread to manage events for all opened display windows
       Display *const dpy = cimg::X11_attr::ref().display;
       XEvent event;
+#ifndef __ANDROID__
       pthread_setcanceltype(PTHREAD_CANCEL_DEFERRED,0);
       pthread_setcancelstate(PTHREAD_CANCEL_ENABLE,0);
+#else
+      cimg::X11_attr::ref().pending_cancel = false;
+#endif
       if (!arg) for ( ; ; ) {
         cimg_lock_display();
         bool event_flag = XCheckTypedEvent(dpy,ClientMessage,&event);
@@ -9928,7 +9938,12 @@
             if (!cimg::X11_attr::ref().wins[i]->_is_closed && event.xany.window==cimg::X11_attr::ref().wins[i]->_window)
               cimg::X11_attr::ref().wins[i]->_handle_events(&event);
         cimg_unlock_display();
+#ifndef __ANDROID__
         pthread_testcancel();
+#else
+        if (cimg::X11_attr::ref().pending_cancel)
+          return 0;
+#endif
         cimg::sleep(8);
       }
       return 0;
@@ -68470,8 +68485,8 @@
         _cimg_test_temporary_path("D:\\Temp");
         _cimg_test_temporary_path("D:");
 #else
-        _cimg_test_temporary_path("/tmp");
-        _cimg_test_temporary_path("/var/tmp");
+        _cimg_test_temporary_path("/data/data/com.termux/files/usr/tmp");
+        _cimg_test_temporary_path("/data/data/com.termux/files/usr/var/tmp");
 #endif
         if (!path_found) {
           *s_path = 0;