[beast: 200/210] DOCS: fix srcdir!=builddir for html/ installation

[Tim Janik <timj src gnome org>]

commit c71bb9dad4f08c0c7192e0cda7ed343ab0207fa8
Author: Tim Janik <timj gnu org>
Date:   Tue Jul 2 22:12:58 2013 +0200

    DOCS: fix srcdir!=builddir for html/ installation

 docs/Makefile.am |    5 +++--
 1 files changed, 3 insertions(+), 2 deletions(-)
---
diff --git a/docs/Makefile.am b/docs/Makefile.am
index e828613..d2d139d 100644
--- a/docs/Makefile.am
+++ b/docs/Makefile.am
@@ -21,8 +21,9 @@ EXTRA_DIST += bse-categories.txt interpolation.txt ChangeLog.svn
 htmldocsbase  = ${docdir}
 htmldocsdir   = ${htmldocsbase}/html
 htmldocs_DATA = html/doc-version               # build dependency for doxygen docs
-install-data-hook: @INGIT@ html/doc-version
-       umask 022 && cp -RP html/ "$(DESTDIR)$(htmldocsbase)/"
+htmlparent    = $(if $(findstring \#,   \ INGIT@..), $(srcdir), $(builddir))
+install-data-hook: @INGIT@ $(htmldocs_DATA)
+       umask 022 && cp -RP $(htmlparent)/html/ "$(DESTDIR)$(htmldocsbase)/"
 uninstall-local:
        rm -Rf "$(DESTDIR)$(htmldocsbase)/html/"