Patch to disable the doc build by default; the tools needed to build

doc are either not available on all systems or are at best
inconvenient to build and install.  The doc can still be built, one
just needs to specify --enable-doc at configure time.


git-svn-id: svn://svn.savannah.nongnu.org/avrdude/trunk/avrdude@445 81a1dc3b-b13d-400b-aceb-764788c761c2

Makefile.am

@@ -34,8 +34,11 @@ CLEANFILES = \
 	config_gram.h \
 	lexer.c
 
-SUBDIRS      = doc @WINDOWS_DIRS@
+#SUBDIRS      = doc @WINDOWS_DIRS@
-DIST_SUBDIRS = doc windows
+#DIST_SUBDIRS = doc windows
+
+SUBDIRS = @SUBDIRS_AC@
+DIST_SUBDIRS = @DIST_SUBDIRS_AC@
 
 AM_YFLAGS    = -d
 

configure.ac

@@ -78,7 +78,32 @@ else
     DOC_INST_DIR='$(DESTDIR)$(datadir)/doc/avrdude'
 fi
 
+AC_ARG_ENABLE(
+	[doc],
+	AC_HELP_STRING(
+		[--enable-doc],
+		[Enable building documents(default)]),
+	[case "${enableval}" in
+		yes) enabled_doc=yes ;;
+		no)  enabled_doc=no ;;
+		*)   AC_MSG_ERROR(bad value ${enableval} for disable-doc option) ;;
+		esac],
+	[enabled_doc=no])
+
+if test "$enabled_doc" = "yes"; then
+
+SUBDIRS_AC='doc @WINDOWS_DIRS@'
+DIST_SUBDIRS_AC='doc windows'
+else
+
+SUBDIRS_AC='@WINDOWS_DIRS@'
+DIST_SUBDIRS_AC='windows'
+fi
+
 AC_SUBST(DOC_INST_DIR, $DOC_INST_DIR)
+AC_SUBST(SUBDIRS_AC, $SUBDIRS_AC)	
+AC_SUBST(DIST_SUBDIRS_AC, $DIST_SUBDIRS_AC)
+
 
 # Find the parallel serial device files based on target system
 # If a system doesn't have a PC style parallel, mark it as unknown.
@@ -140,4 +165,6 @@ AC_CONFIG_FILES([
 	avrdude.conf
 	Makefile
 ])
+
 AC_OUTPUT
+