build-sys: enable xsltproc rules only if we have xsltproc

diff --git a/Makefile.am b/Makefile.am
index c9a73e18ef6184316b4871c01e48d8a82765f869..83740d73d973348ad87807d81c1cc89677facb33 100644 (file)
--- a/Makefile.am
+++ b/Makefile.am
@@ -350,7 +350,7 @@ CLEANFILES = \
        man/systemd.special.7 \
        man/systemd.special.html
 
-#if HAVE_XSLTPROC
+if HAVE_XSLTPROC
 XSLTPROC_PROCESS_MAN = \
        $(AM_V_GEN)$(MKDIR_P) $(dir $@) && \
        $(XSLTPROC) -o $@ -nonet http://docbook.sourceforge.net/release/xsl/current/manpages/docbook.xsl $<
@@ -393,7 +393,7 @@ CLEANFILES += \
        man/systemd.unit.html \
        man/systemd.service.html \
        man/systemd.special.html.in
-#endif
+endif
 
 install-data-hook:
        $(MKDIR_P) -m 0755 \