dont try to build documentation for tools we cant build

doc/sphinx/Makefile.am

@@ -197,6 +197,9 @@ include/varnishlog_synopsis.rst: $(top_builddir)/bin/varnishlog/varnishlog_opt2r
 BUILT_SOURCES += include/varnishlog_options.rst \
 	include/varnishlog_synopsis.rst
 
+# tools which only get built when curses is available
+# XXX add varnishstat here when _opt2rst is ready
+if VARNISH_CURSES
 include/varnishtop_options.rst: $(top_builddir)/bin/varnishtop/varnishtop_opt2rst
 	$(top_builddir)/bin/varnishtop/varnishtop_opt2rst options > $@
 include/varnishtop_synopsis.rst: $(top_builddir)/bin/varnishtop/varnishtop_opt2rst
@@ -210,6 +213,8 @@ include/varnishhist_synopsis.rst: $(top_builddir)/bin/varnishhist/varnishhist_op
 	$(top_builddir)/bin/varnishhist/varnishhist_opt2rst synopsis > $@
 BUILT_SOURCES += include/varnishhist_options.rst \
 	 include/varnishhist_synopsis.rst
+endif
+
 
 include/vmod_std.rst: $(top_builddir)/lib/libvmod_std/vmod_std.rst
 	cp $? $@

man/Makefile.am

@@ -14,12 +14,10 @@ dist_man_MANS = \
 	vsl-query.7 \
 	varnishadm.1 \
 	varnishd.1 \
-	varnishhist.1 \
 	varnishlog.1 \
 	varnishncsa.1 \
 	varnishstat.1 \
 	varnishtest.1 \
-	varnishtop.1 \
 	vmod_directors.3 \
 	vmod_std.3
 
@@ -71,6 +69,12 @@ varnishstat.1: $(top_srcdir)/doc/sphinx/reference/varnishstat.rst
 varnishtest.1: $(top_srcdir)/doc/sphinx/reference/varnishtest.rst
 	${RST2MAN} $(top_srcdir)/doc/sphinx/reference/varnishtest.rst $@
 
+# tools which only get built when curses is available
+# XXX add varnishstat here when _opt2rst is ready
+if VARNISH_CURSES
+dist_man_MANS += varnishtop.1 \
+	varnishhist.1
+
 varnishtop.1: \
 	$(top_srcdir)/doc/sphinx/reference/varnishtop.rst \
 	$(top_srcdir)/doc/sphinx/include/varnishtop_options.rst \
@@ -82,6 +86,8 @@ varnishhist.1: \
 	$(top_srcdir)/doc/sphinx/include/varnishhist_options.rst \
 	$(top_srcdir)/doc/sphinx/include/varnishhist_synopsis.rst
 	${RST2MAN} $(top_srcdir)/doc/sphinx/reference/varnishhist.rst $@
+endif
+
 
 vmod_std.3: $(top_srcdir)/lib/libvmod_std/vmod_std.man.rst
 	${RST2MAN} $? $@