[LTP] [PATCH v3 3/4] Makefile: Update 'doc' target, add 'doc-clean'

[Petr Vorel]

'doc' target previously run docparse documentation. Point it to doc/
directory so that it build sphinx docs. doc/ dir has metadata/ dir as
dependency, no need to specify it. Call also '.venv' target.

NOTE: it's still possible to avoid virtualenv by calling 'make -C doc'

Add 'doc-clean': to remove only generated data (not optional .venv).

Signed-off-by: Petr Vorel <pvorel@suse.cz>
---
Changes since v2:
* 'doc' target: call also '.venv' target
* Add 'doc-clean' target

 Makefile | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/Makefile b/Makefile
index 5066789349..0c572248a4 100644
--- a/Makefile
+++ b/Makefile
@@ -169,8 +169,14 @@ INSTALL_TARGETS		+= $(addprefix $(DESTDIR)/$(bindir)/,$(BINDIR_INSTALL_SCRIPTS))
 
 $(INSTALL_TARGETS): $(INSTALL_DIR) $(DESTDIR)/$(bindir)
 
-.PHONY: doc
-doc: metadata-all
+.PHONY: doc doc-clean
+
+doc:
+	$(MAKE) -C $(abs_builddir)/doc .venv
+	$(MAKE) -C $(abs_builddir)/doc
+
+doc-clean:
+	$(MAKE) -C $(abs_builddir)/doc clean
 
 .PHONY: check
 check: $(CHECK_TARGETS)
-- 
2.47.2