--- gdb-9.1.orig/gdb/Makefile.in	2020-02-08 13:50:14.000000000 +0100
+++ gdb-9.1/gdb/Makefile.in	2020-02-08 20:11:17.201244042 +0100
@@ -1606,7 +1606,7 @@
 	$(SUBDIR_TARGET_OBS) \
 	$(SUBDIR_GCC_COMPILE_OBS)
 
-SUBDIRS = doc @subdirs@ data-directory
+SUBDIRS = @subdirs@ data-directory
 CLEANDIRS = $(SUBDIRS)
 
 # List of subdirectories in the build tree that must exist.