perf Documentation: Fix out-of-tree asciidoctor man page generation

The dependency for the man page rule using asciidoctor incorrectly
specifies a source file in $(OUTPUT).  When building out-of-tree, the
source file is not found, resulting in a fall-back to the following
rule which uses xmlto.

Fixes: ffef80ecf89f ("perf Documentation: Support for asciidoctor")
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Gbp-Pq: Topic bugfix/all
Gbp-Pq: Name perf-documentation-fix-out-of-tree-asciidoctor-man-page-generation.patch

diff --git a/tools/perf/Documentation/Makefile b/tools/perf/Documentation/Makefile
index 9bc184e60bab2d74915441dda47766d642906e2b..c89cc9c81e61527821a98d3a6c2b657c98358a54 100644 (file)
--- a/tools/perf/Documentation/Makefile
+++ b/tools/perf/Documentation/Makefile
@@ -285,7 +285,7 @@ $(MAN_HTML): $(OUTPUT)%.html : %.txt
        mv $@+ $@
 
 ifdef USE_ASCIIDOCTOR
-$(OUTPUT)%.1 $(OUTPUT)%.5 $(OUTPUT)%.7 : $(OUTPUT)%.txt
+$(OUTPUT)%.1 $(OUTPUT)%.5 $(OUTPUT)%.7 : %.txt
        $(QUIET_ASCIIDOC)$(RM) $@+ $@ && \
        $(ASCIIDOC) -b manpage -d manpage \
                $(ASCIIDOC_EXTRA) -aperf_version=$(PERF_VERSION) -o $@+ $< && \