diff --git a/unix/make/Makefile.MID b/unix/make/Makefile.MID
index 9c142d4..71a9d01 100644
--- a/unix/make/Makefile.MID
+++ b/unix/make/Makefile.MID
@@ -31,11 +31,11 @@
 all: $(LIB)
 
 install: $(LIB)
-	test -d $(PREFIX)/man/man3 || mkdir $(PREFIX)/man/man3
-	install -c -m 0644 isalpharune.3 $(PREFIX)/man/man3/isalpharune.3
+	test -d $(PREFIX)/share/man/man3 || mkdir $(PREFIX)/share/man/man3
+	install -c -m 0644 isalpharune.3 $(PREFIX)/share/man/man3/isalpharune.3
 	install -c -m 0644 utf.7 $(PREFIX)/man/man7/utf.7
-	install -c -m 0644 rune.3 $(PREFIX)/man/man3/rune.3
-	install -c -m 0644 runestrcat.3 $(PREFIX)/man/man3/runestrcat.3
+	install -c -m 0644 rune.3 $(PREFIX)/share/man/man3/rune.3
+	install -c -m 0644 runestrcat.3 $(PREFIX)/share/man/man3/runestrcat.3
 	install -c -m 0644 utf.h $(PREFIX)/include/utf.h
 	install -c -m 0644 $(LIB) $(PREFIX)/lib/$(LIB)
 
diff --git a/unix/make/Makefile.bio b/unix/make/Makefile.bio
index 00a0b69..f862aac 100644
--- a/unix/make/Makefile.bio
+++ b/unix/make/Makefile.bio
@@ -28,8 +28,8 @@
 all: $(LIB)
 
 install: $(LIB)
-	mkdir -p $(PREFIX)/man/man3
-	install -m 0644 bio.3 $(PREFIX)/man/man3/bio.3
+	mkdir -p $(PREFIX)/share/man/man3
+	install -m 0644 bio.3 $(PREFIX)/share/man/man3/bio.3
 	mkdir -p $(PREFIX)/include
 	install -m 0644 bio.h $(PREFIX)/include
 	mkdir -p $(PREFIX)/lib
diff --git a/unix/make/Makefile.fmt b/unix/make/Makefile.fmt
index 3a07840..2cf5f62 100644
--- a/unix/make/Makefile.fmt
+++ b/unix/make/Makefile.fmt
@@ -17,6 +17,7 @@
 	fmtfdflush.$O\
 	fmtlocale.$O\
 	fmtlock.$O\
+	fmtnull.$O\
 	fmtprint.$O\
 	fmtquote.$O\
 	fmtrune.$O\
@@ -51,9 +52,9 @@
 all: $(LIB)
 
 install: $(LIB)
-	test -d $(PREFIX)/man/man3 || mkdir -p $(PREFIX)/man/man3
-	install -m 0644 print.3 $(PREFIX)/man/man3/print.3
-	install -m 0644 fmtinstall.3 $(PREFIX)/man/man3/fmtinstall.3
+	test -d $(PREFIX)/share/man/man3 || mkdir -p $(PREFIX)/share/man/man3
+	install -m 0644 print.3 $(PREFIX)/share/man/man3/print.3
+	install -m 0644 fmtinstall.3 $(PREFIX)/share/man/man3/fmtinstall.3
 	mkdir -p $(PREFIX)/include
 	install -m 0644 fmt.h $(PREFIX)/include/fmt.h
 	mkdir -p $(PREFIX)/lib
diff --git a/unix/make/Makefile.regexp b/unix/make/Makefile.regexp
index fae24c5..f4c862d 100644
--- a/unix/make/Makefile.regexp
+++ b/unix/make/Makefile.regexp
@@ -19,8 +19,8 @@
 all: $(LIB)
 
 install: $(LIB)
-	mkdir -p $(PREFIX)/man/man3 $(PREFIX)/man/man7
-	install -m 0644 regexp9.3 $(PREFIX)/man/man3/regexp9.3
+	mkdir -p $(PREFIX)/share/man/man3 $(PREFIX)/man/man7
+	install -m 0644 regexp9.3 $(PREFIX)/share/man/man3/regexp9.3
 	install -m 0644 regexp9.7 $(PREFIX)/man/man7/regexp9.7
 	mkdir -p $(PREFIX)/lib
 	install -m 0644 $(LIB) $(PREFIX)/lib/$(LIB)
diff --git a/unix/make/Makefile.utf b/unix/make/Makefile.utf
index 10e7230..78601bb 100644
--- a/unix/make/Makefile.utf
+++ b/unix/make/Makefile.utf
@@ -31,11 +31,11 @@
 all: $(LIB)
 
 install: $(LIB)
-	mkdir -p $(PREFIX)/man/man3 $(PREFIX)/man/man7
-	install -c -m 0644 isalpharune.3 $(PREFIX)/man/man3/isalpharune.3
+	mkdir -p $(PREFIX)/share/man/man3 $(PREFIX)/man/man7
+	install -c -m 0644 isalpharune.3 $(PREFIX)/share/man/man3/isalpharune.3
 	install -c -m 0644 utf.7 $(PREFIX)/man/man7/utf.7
-	install -c -m 0644 rune.3 $(PREFIX)/man/man3/rune.3
-	install -c -m 0644 runestrcat.3 $(PREFIX)/man/man3/runestrcat.3
+	install -c -m 0644 rune.3 $(PREFIX)/share/man/man3/rune.3
+	install -c -m 0644 runestrcat.3 $(PREFIX)/share/man/man3/runestrcat.3
 	mkdir -p $(PREFIX)/include
 	install -c -m 0644 utf.h $(PREFIX)/include/utf.h
 	mkdir -p $(PREFIX)/lib