Fix bug #77677: WCOREDUMP not available on all systems

Add #ifdef WCOREDUMP around all uses.

Also Change core dump message to yes/no/unknown in lsapilib.

NEWS

@@ -7,6 +7,10 @@ PHP                                                                        NEWS
   . Fixed bug #77652 (Anonymous classes can lose their interface information).
     (Nikita)
 
+- FPM:
+  . Fixed bug #77677 (FPM fails to build on AIX due to missing WCOREDUMP).
+    (Kevin Adler)
+
 - Date:
   . Fixed bug #50020 (DateInterval:createDateFromString() silently fails).
     (Derick)

sapi/fpm/fpm/fpm_children.c

@@ -204,7 +204,11 @@ void fpm_children_bury() /* {{{ */
 
 		} else if (WIFSIGNALED(status)) {
 			const char *signame = fpm_signal_names[WTERMSIG(status)];
+#ifdef WCOREDUMP
 			const char *have_core = WCOREDUMP(status) ? " - core dumped" : "";
+#else
+			const char* have_core = "";
+#endif
 
 			if (signame == NULL) {
 				signame = "";

sapi/litespeed/lsapilib.c

@@ -2819,9 +2819,14 @@ static void lsapi_sigchild( int signal )
         if ( WIFSIGNALED( status ))
         {
             int sig_num = WTERMSIG( status );
-            int dump = WCOREDUMP( status );
+
+#ifdef WCOREDUMP
+            const char * dump = WCOREDUMP( status ) ? "yes" : "no";
+#else
+            const char * dump = "unknown";
+#endif
             lsapi_log("Child process with pid: %d was killed by signal: "
-                     "%d, core dump: %d\n", pid, sig_num, dump );
+                     "%d, core dumped: %s\n", pid, sig_num, dump );
         }
         if ( pid == s_pid_dump_debug_info )
         {