-build: revert AM_MAKEINFOHTMLFLAGS redefine. guess we have to live with the warning.

1 files changed, 20 insertions, 0 deletions

diff --git a/doc/handbook/Makefile.am b/doc/handbook/Makefile.am
index e4a1808c9..4597d9a3d 100644
--- a/doc/handbook/Makefile.am
+++ b/doc/handbook/Makefile.am
@@ -3,6 +3,26 @@ docdir = $(datadir)/doc/gnunet/
 
 infoimagedir = $(infodir)/images
 
+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.
+# The only difference is a shorter html output and
+# in 6.5 the ability to use refs instead of include.
+# 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`.
+# Hold on to your hats: In version 6.5 this is already removed, ffs.
+# GNU Texinfo, please be more consistent than 1 version in switches.
+# This however is compatible to version 5.2. Thanks, I hate it.
+# AM_MAKEINFOHTMLFLAGS = --split=sections --css-ref="../style.css" --css-ref="../manual.css"
+AM_MAKEINFOHTMLFLAGS = --split --css-ref="../style.css" --css-ref="../manual.css"
+endif
+
 dist_infoimage_DATA =                                           \
         images/gnunet-gtk-0-10-gns-a-done.png                   \
         images/gnunet-gtk-0-10-gns-a.png                        \