common: plugin-docs: also allow updating docs in out-of-srcdir setup

[Stefan Kost]

Module: common
Branch: master
Commit: 6aaa286970e59ed89bd69544f2ee10551f377cb6
URL:    http://cgit.freedesktop.org/gstreamer/common/commit/?id=6aaa286970e59ed89bd69544f2ee10551f377cb6

Author: Stefan Kost <ensonic at users.sf.net>
Date:   Thu Mar 24 18:38:55 2011 +0200

plugin-docs: also allow updating docs in out-of-srcdir setup

---

 gtk-doc-plugins.mak |   29 +++++++++++++++++------------
 1 files changed, 17 insertions(+), 12 deletions(-)

diff --git a/gtk-doc-plugins.mak b/gtk-doc-plugins.mak
index 88db415..a1d81ba 100644
--- a/gtk-doc-plugins.mak
+++ b/gtk-doc-plugins.mak
@@ -118,21 +118,26 @@ scanobj-update:
 # a collective set of args and signals
 scanobj-build.stamp: $(SCANOBJ_DEPS) $(basefiles) inspect
 	@echo '*** Scanning GObjects ***'
+	@if test x"$(srcdir)" != x. ; then				\
+	    for f in $(SCANOBJ_FILES) $(SCAN_FILES);			\
+	    do								\
+	        cp $(srcdir)/$$f . ;					\
+	    done;							\
+	fi;								\
+	$(INSPECT_ENVIRONMENT) 					\
+	CC="$(GTKDOC_CC)" LD="$(GTKDOC_LD)"				\
+	CFLAGS="$(GTKDOC_CFLAGS) $(CFLAGS) $(WARNING_CFLAGS)"	\
+	LDFLAGS="$(GTKDOC_LIBS) $(LDFLAGS)"				\
+	$(GST_DOC_SCANOBJ) --type-init-func="gst_init(NULL,NULL)"	\
+	    --module=$(DOC_MODULE) --source=$(PACKAGE) --inspect-dir=$(INSPECT_DIR) &&		\
+	    $(PYTHON)						\
+	    $(top_srcdir)/common/scangobj-merge.py $(DOC_MODULE);	\
 	if test x"$(srcdir)" != x. ; then				\
 	    for f in $(SCANOBJ_FILES);					\
 	    do								\
-	        cp $(srcdir)/$$f . ;					\
+	        cmp -s ./$$f $(srcdir)/$$f || cp ./$$f $(srcdir)/ ;		\
 	    done;							\
-	else								\
-	    $(INSPECT_ENVIRONMENT) 					\
-	    CC="$(GTKDOC_CC)" LD="$(GTKDOC_LD)"				\
-	    CFLAGS="$(GTKDOC_CFLAGS) $(CFLAGS) $(WARNING_CFLAGS)"	\
-	    LDFLAGS="$(GTKDOC_LIBS) $(LDFLAGS)"				\
-	    $(GST_DOC_SCANOBJ) --type-init-func="gst_init(NULL,NULL)"	\
-	        --module=$(DOC_MODULE) --source=$(PACKAGE) --inspect-dir=$(INSPECT_DIR) &&		\
-		$(PYTHON)						\
-		$(top_srcdir)/common/scangobj-merge.py $(DOC_MODULE);	\
-	fi
+	fi;								\
 	touch scanobj-build.stamp
 
 $(DOC_MODULE)-decl.txt $(SCANOBJ_FILES) $(SCANOBJ_FILES_O): scan-build.stamp
@@ -158,7 +163,7 @@ tmpl-build.stamp: $(DOC_MODULE)-decl.txt $(SCANOBJ_FILES) $(DOC_MODULE)-sections
 	@if test x"$(srcdir)" != x. ; then				\
 	    for f in $(SCANOBJ_FILES) $(SCAN_FILES);			\
 	    do								\
-	        if test -e $(srcdir)/$$f; then cp $(srcdir)/$$f . ; fi; \
+	        if test -e $(srcdir)/$$f; then cp -u $(srcdir)/$$f . ; fi; \
 	    done;							\
 	fi
 	gtkdoc-mktmpl --module=$(DOC_MODULE) | tee tmpl-build.log