build-sys: fix out-of-tree build

asciidoctor cannot write to source directory, we need to force it to
use $builddir.

Signed-off-by: Karel Zak <kzak@redhat.com>

diff --git a/Makefile.am b/Makefile.am
index 0e350045006c9b0bb23b54f6734aaa4413892c33..f1de54dd857ba6ff6b90defa87a51d1619262d6d 100644 (file)
--- a/Makefile.am
+++ b/Makefile.am
@@ -210,7 +210,7 @@ $(MANPAGES): $(MANPAGES:=.adoc) $(MANPAGES_EXTRA) Makefile
        $(AM_V_at) $(MKDIR_P) $$(dirname $@)
        $(AM_V_GEN) srcdir=''; \
                test -f ./$@.adoc || srcdir=$(srcdir)/; \
-               $(asciidoc_man_cmd) $${srcdir}$@.adoc
+               $(asciidoc_man_cmd) $${srcdir}$@.adoc --destination-dir $$(dirname $@)
 
 gen-man: $(dist_man_MANS)