Adding --enable-texinfo4 configure switch. Refer to

https://bugs.gnunet.org/view.php?id=3914 and the
Changelog for more.

1 files changed, 6 insertions, 1 deletions

diff --git a/doc/handbook/Makefile.am b/doc/handbook/Makefile.am
index a50a58937..23e43a34a 100644
--- a/doc/handbook/Makefile.am
+++ b/doc/handbook/Makefile.am
@@ -9,6 +9,7 @@ infoimagedir = $(infodir)/images
 #       $(DOT_FILES:%.dot=%.eps)                                                \
 #       $(DOT_FILES:%.dot=%.pdf)
 
+if ACTIVATE_TEXINFO4
 # NOTE: While GNU makeinfo 6.5 supports --css-ref=URL,
 # makeinfo 4.8 (in NetBSD 8.0, macOS, and maybe other
 # base) does only support --css-include=FILE.
@@ -17,8 +18,12 @@ infoimagedir = $(infodir)/images
 # We prefer not to break builds in this case, so
 # we use the include version which is backwards compatible
 # and upwards compatible, while the ref variant is neither.
-
 AM_MAKEINFOHTMLFLAGS = --no-split --css-include=style.css --css-include=manual.css
+else
+# In the 5.x version they added `--split=chapters|sections` in
+# addition to `--split=nodes`.
+AM_MAKEINFOHTMLFLAGS = --split=sections --css-ref=style.css --css-ref=manual.css
+endif
 
 dist_infoimage_DATA =                                           \
         images/gnunet-gtk-0-10-gns-a-done.png                   \