diff --git a/libc/tools/checksyscalls.py b/libc/tools/checksyscalls.py
index 2c563d7..286e727 100755
--- a/libc/tools/checksyscalls.py
+++ b/libc/tools/checksyscalls.py
@@ -70,10 +70,17 @@
 re_nr_clock_line = re.compile( r"#define __NR_(\w*)\s*\(__NR_timer_create\+(\w*)\)" )
 re_arm_nr_line   = re.compile( r"#define __ARM_NR_(\w*)\s*\(__ARM_NR_BASE\+\s*(\w*)\)" )
 re_x86_line      = re.compile( r"#define __NR_(\w*)\s*([0-9]*)" )
+re_mips_line     = re.compile( r"#define __NR_(\w*)\s*\(__NR_Linux\s*\+\s*([0-9]*)\)" )
 
 # now read the Linux arm header
 def process_nr_line(line,dict):
 
+    m = re_mips_line.match(line)
+    if m:
+        if dict["Linux"]==4000:
+            dict[m.group(1)] = int(m.group(2))
+        return
+
     m = re_nr_line.match(line)
     if m:
         dict[m.group(1)] = int(m.group(2))
@@ -118,6 +125,7 @@
 
 arm_dict = {}
 x86_dict = {}
+mips_dict = {}
 
 # remove trailing slash from the linux_root, if any
 if linux_root[-1] == '/':
@@ -141,8 +149,15 @@
         print "maybe using a different set of kernel headers might help."
         sys.exit(1)
 
+mips_unistd = find_arch_header(linux_root, "mips", "unistd.h")
+if not mips_unistd:
+    print "WEIRD: Could not locate the Mips unistd.h kernel header file,"
+    print "maybe using a different set of kernel headers might help."
+    sys.exit(1)
+
 process_header( arm_unistd, arm_dict )
 process_header( x86_unistd, x86_dict )
+process_header( mips_unistd, mips_dict )
 
 # now perform the comparison
 errors = 0
@@ -154,18 +169,19 @@
         sc_id   = sc[idname]
         if sc_id >= 0:
             if not arch_dict.has_key(sc_name):
-                print "%s syscall %s not defined, should be %d !!" % (archname, sc_name, sc_id)
+                print "error: %s syscall %s not defined, should be %d" % (archname, sc_name, sc_id)
                 errors += 1
             elif not arch_dict.has_key(sc_name):
-                print "%s syscall %s is not implemented!" % (archname, sc_name)
+                print "error: %s syscall %s is not implemented" % (archname, sc_name)
                 errors += 1
             elif arch_dict[sc_name] != sc_id:
-                print "%s syscall %s should be %d instead of %d !!" % (archname, sc_name, arch_dict[sc_name], sc_id)
+                print "error: %s syscall %s should be %d instead of %d" % (archname, sc_name, arch_dict[sc_name], sc_id)
                 errors += 1
     return errors
 
-errors += check_syscalls("arm", "id", arm_dict)
-errors += check_syscalls("x86", "id2", x86_dict)
+errors += check_syscalls("arm", "armid", arm_dict)
+errors += check_syscalls("x86", "x86id", x86_dict)
+errors += check_syscalls("mips", "mipsid", mips_dict)
 
 if errors == 0:
     print "congratulations, everything's fine !!"