Check for set_escdelay in ncurses

InfoScreen.c

@@ -94,7 +94,9 @@ void InfoScreen_run(InfoScreen* this) {
       if (this->inc->active) {
          (void) move(LINES - 1, CRT_cursorX);
       }
+#ifdef HAVE_SET_ESCDELAY
       set_escdelay(25);
+#endif
       int ch = getch();
 
       if (ch == ERR) {

ScreenManager.c

@@ -5,6 +5,8 @@ Released under the GNU GPLv2, see the COPYING file
 in the source distribution for its full text.
 */
 
+#include "config.h" // IWYU pragma: keep
+
 #include "ScreenManager.h"
 
 #include <assert.h>
@@ -164,7 +166,9 @@ void ScreenManager_run(ScreenManager* this, Panel** lastFocus, int* lastKey) {
       }
 
       int prevCh = ch;
+#ifdef HAVE_SET_ESCDELAY
       set_escdelay(25);
+#endif
       ch = getch();
 
       HandlerResult result = IGNORED;

configure.ac

@@ -336,6 +336,7 @@ if test "$my_htop_platform" = "solaris"; then
    # Since ncruses macros use the ERR macro, we can not use another name.
    AC_DEFINE([ERR], [(-1)], [Predefine ncurses macro.])
 fi
+AC_CHECK_FUNCS( [set_escdelay] )
 
 
 AC_ARG_ENABLE([hwloc],