Can't build 'make' with dmd 2.080.0 about compiler HOT 4 OPEN

diff --git a/dm/src/make/dmake.d b/dm/src/make/dmake.d
index fb858e7..6f438c5 100644
--- a/dm/src/make/dmake.d
+++ b/dm/src/make/dmake.d
@@ -913,7 +913,7 @@ int readline(FILE *f)
         do
         {
                 L0:
-            while (TRUE)
+            while (true)
             {
                         if (i >= bufmax)
                         {   bufmax += 100;
@@ -1085,13 +1085,13 @@ char *expandline(char *buf)
             buf[p] = 0;
             text = searchformacro(buf + b);
             buf[p] = c;
-            textlen = strlen(text);
+            textlen = cast(uint)strlen(text);
             /* If replacement text exactly matches macro call, skip expansion */
             if (textlen == t - i && strncmp(text,buf + i,t - i) == 0)
                 i = t;
             else
             {
-                buflen = strlen(buf);
+              buflen = cast(uint)strlen(buf);
                 buf = cast(char*)mem_realloc(buf,buflen + textlen + 1);
                 memmove(buf + i + textlen,buf + t,buflen + 1 - t);
                 memmove(buf + i,text,textlen);
@@ -1228,7 +1228,7 @@ int ispchar(char c)
 char *filespecforceext(char* name, char* ext)
 {       char* newname,p;
 
-        newname = cast(char*)mem_calloc(strlen(name) + strlen(ext) + 1 + 1);
+  newname = cast(char*)mem_calloc(cast(uint)(strlen(name) + strlen(ext) + 1 + 1));
         strcpy(newname,name);
         p = filespecdotext(newname);
         *p++ = '.';
@@ -1773,7 +1773,7 @@ void *mem_realloc(void *oldbuf,uint newbufsize)
 
 char *mem_strdup(const char *s)
 {
-    return strcpy(cast(char*)mem_calloc(strlen(s) + 1),s);
+  return strcpy(cast(char*)mem_calloc(cast(uint)(strlen(s) + 1)),s);
 }
 
 }