diff -ur readline-8.1/colors.c readline-8.1.1/colors.c
--- readline-8.1/colors.c	2019-11-19 10:30:54.000000000 -0500
+++ readline-8.1.1/colors.c	2020-12-19 07:54:28.888704198 -0500
@@ -207,8 +207,10 @@
 #endif
           if (is_colored (C_CAP) && 0) //f->has_capability)
             colored_filetype = C_CAP;
+#if defined(S_IXUGO)
           else if ((mode & S_IXUGO) != 0 && is_colored (C_EXEC))
             colored_filetype = C_EXEC;
+#endif
           else if ((1 < astat.st_nlink) && is_colored (C_MULTIHARDLINK))
             colored_filetype = C_MULTIHARDLINK;
         }
@@ -222,8 +224,10 @@
             colored_filetype = C_STICKY_OTHER_WRITABLE;
           else
 #endif
+#if defined (S_IWOTH)
           if ((mode & S_IWOTH) != 0 && is_colored (C_OTHER_WRITABLE))
             colored_filetype = C_OTHER_WRITABLE;
+#endif
 #if defined (S_ISVTX)
           else if ((mode & S_ISVTX) != 0 && is_colored (C_STICKY))
             colored_filetype = C_STICKY;
Only in readline-8.1.1: colors.c.orig
diff -ur readline-8.1/colors.h readline-8.1.1/colors.h
--- readline-8.1/colors.h	2016-01-25 10:38:11.000000000 -0500
+++ readline-8.1.1/colors.h	2020-12-19 07:54:28.888704198 -0500
@@ -96,7 +96,7 @@
   };
 
 
-#if !S_IXUGO
+#if !S_IXUGO && defined(S_IXUSR) && defined(S_IXGRP) && defined(S_IXOTH)
 # define S_IXUGO (S_IXUSR | S_IXGRP | S_IXOTH)
 #endif
 
diff -ur readline-8.1/posixstat.h readline-8.1.1/posixstat.h
--- readline-8.1/posixstat.h	2019-12-19 11:24:37.000000000 -0500
+++ readline-8.1.1/posixstat.h	2020-12-19 07:54:28.888704198 -0500
@@ -78,30 +78,44 @@
 
 #if defined (S_IFBLK) && !defined (S_ISBLK)
 #define	S_ISBLK(m)	(((m)&S_IFMT) == S_IFBLK)	/* block device */
+#elif !defined (S_IFBLK)
+#define S_ISBLK(m)	0
 #endif
 
 #if defined (S_IFCHR) && !defined (S_ISCHR)
 #define	S_ISCHR(m)	(((m)&S_IFMT) == S_IFCHR)	/* character device */
+#elif !defined (S_IFCHR)
+#define S_ISCHR(m)	0
 #endif
 
 #if defined (S_IFDIR) && !defined (S_ISDIR)
 #define	S_ISDIR(m)	(((m)&S_IFMT) == S_IFDIR)	/* directory */
+#elif !defined (S_IFDIR)
+#define S_ISDIR(m)	0
 #endif
 
 #if defined (S_IFREG) && !defined (S_ISREG)
 #define	S_ISREG(m)	(((m)&S_IFMT) == S_IFREG)	/* file */
+#elif !defined (S_IFREG)
+#define S_ISREG(m)	0
 #endif
 
 #if defined (S_IFIFO) && !defined (S_ISFIFO)
 #define	S_ISFIFO(m)	(((m)&S_IFMT) == S_IFIFO)	/* fifo - named pipe */
+#elif !defined (S_IFIFO)
+#define S_ISFIFO(m)	0
 #endif
 
 #if defined (S_IFLNK) && !defined (S_ISLNK)
 #define	S_ISLNK(m)	(((m)&S_IFMT) == S_IFLNK)	/* symbolic link */
+#elif !defined (S_IFLNK)
+#define S_ISLNK(m)	0
 #endif
 
 #if defined (S_IFSOCK) && !defined (S_ISSOCK)
 #define	S_ISSOCK(m)	(((m)&S_IFMT) == S_IFSOCK)	/* socket */
+#elif !defined (S_IFSOCK)
+#define S_ISSOCK(m)	0
 #endif
 
 /*
@@ -157,6 +171,8 @@
 /* These are non-standard, but are used in builtins.c$symbolic_umask() */
 #define S_IRUGO		(S_IRUSR | S_IRGRP | S_IROTH)
 #define S_IWUGO		(S_IWUSR | S_IWGRP | S_IWOTH)
+#if defined(S_IXUSR) && defined(S_IXGRP) && defined(S_IXOTH)
 #define S_IXUGO		(S_IXUSR | S_IXGRP | S_IXOTH)
+#endif
 
 #endif /* _POSIXSTAT_H_ */