doc: fix distcheck generation of postgresql-setup.1

Drop one Makefile.am subdir..

* doc/Makefile.am: Moved to doc/Makefile.inc.
* Makefile.am: Include doc/Makefile.inc.
(DISTCLEANFILES): Properly define and append to it.

Author: praiskup

Makefile.am

@@ -25,6 +25,7 @@ EXTRA_DIST =
 INTERMEDIATE_FILES =
 GENERATED_FILES =
 CLEANFILES =
+DISTCLEANFILES =
 _AX_TEXT_ADDITIONAL_SED_SUBSTITUTIONS =
 
 DISTCHECK_CONFIGURE_FLAGS = \
@@ -38,7 +39,7 @@ DISTCHECK_CONFIGURE_FLAGS = \
 
 # include $(srcdir)/build-helpers/Makefile.inc
 
-SUBDIRS = . doc tests
+SUBDIRS = . tests
 
 bin_SCRIPTS = $(setup)
 libexec_SCRIPTS = $(ctl) $(checkdb)
@@ -112,6 +113,7 @@ EXTRA_DIST += \
 
 include $(srcdir)/share/postgresql-setup/Makefile.inc
 include $(srcdir)/lib/rpm/Makefile.inc
+include $(srcdir)/doc/Makefile.inc
 
 GENERATED_FILES += \
 	$(bin_SCRIPTS) \
@@ -171,4 +173,4 @@ ChangeLog:
 
 dist-hook: ChangeLog
 
-DISTCLEANFILES = ChangeLog
+DISTCLEANFILES += ChangeLog

doc/Makefile.inc

@@ -21,10 +21,12 @@ HELP2MAN_RUN = \
 	    test $$rs -eq 0 ; \
 	fi
 
-setup_man = $(srcdir)/$(NAME_BINARYBASE)-setup.1
+setup_man = %D%/$(NAME_BINARYBASE)-setup.1
 
 dist_man_MANS = $(setup_man)
 
-$(setup_man): $(top_srcdir)/postgresql-setup
-	$(AM_V_GEN)export input=$(top_srcdir)/$(NAME_BINARYBASE)-setup ; \
+$(setup_man): $(NAME_BINARYBASE)-setup
+	$(AM_V_GEN)export input=$(NAME_BINARYBASE)-setup ; \
 	    $(HELP2MAN_RUN)
+
+DISTCLEANFILES += $(setup_man)