We don't use it currently for anything (no latex output),
but it was messing up stuff if /etc/papersize had comments.
BUILT_SOURCES += \
src/python-systemd/id128-constants.h
-PAPER = $(shell cat /etc/papersize 2>/dev/null || echo a4)
-SPHINXOPTS = -D latex_paper_size=$(PAPER) -D version=$(VERSION) -D release=$(VERSION)
+SPHINXOPTS = -D version=$(VERSION) -D release=$(VERSION)
sphinx-%:
$(AM_V_at)test -n "$(SPHINX_BUILD)" || { echo " *** sphinx-build is not available"; exit 1; }
$(AM_V_GEN)PYTHONPATH=$(DESTDIR)$(pyexecdir) LD_LIBRARY_PATH=$(DESTDIR)$(libdir) $(SPHINX_BUILD) -b $* $(SPHINXOPTS) $(top_srcdir)/src/python-systemd/docs $(top_builddir)/docs/html/python-systemd/