http://bugs.gentoo.org/421589

--- configure.ac
+++ configure.ac
@@ -46,6 +46,8 @@
 AM_INIT_AUTOMAKE
 AC_CONFIG_HEADER([src/include/config.h])
 
+AC_PROG_MKDIR_P
+
 dnl select POSIX extensions, useful on solaris, for example
 gl_USE_SYSTEM_EXTENSIONS
 
--- doc/Makefile.am
+++ doc/Makefile.am
@@ -223,7 +223,7 @@
 
 install-man3: $(man3_MANS)
 	@$(NORMAL_INSTALL)
-	test -z "$(man3dir)" || $(mkdir_p) "$(DESTDIR)$(man3dir)"
+	test -z "$(man3dir)" || $(MKDIR_P) "$(DESTDIR)$(man3dir)"
 	@if test -d elektra-api/man/; then man_d=elektra-api/man/; \
 	  else man_d=$(srcdir)/elektra-api/man/; \
 	fi; \