allow incremental rebuild of html-docs

diff --git a/docs/Makefile.am b/docs/Makefile.am
index be6de2a55f6c7a94d8807db4becdd6c2d5eb064c..0a1df5ede3d83e6ffa51f78703b49d8b2254126e 100644 (file)
--- a/docs/Makefile.am
+++ b/docs/Makefile.am
@@ -58,10 +58,10 @@ endif # if !HAVE_MANPAGES
        .venv/bin/pip install -U pip setuptools setuptools-git
        .venv/bin/pip install -r requirements.txt
 
-html-docs: common/** manpages/** .venv
+html-docs: common/** manpages/** .venv *.rst
        .venv/bin/python -msphinx -b html . html-docs
 
-latex/PowerDNS-Authoritative.pdf: common/** manpages/** .venv
+latex/PowerDNS-Authoritative.pdf: common/** manpages/** .venv *.rst
        .venv/bin/python -msphinx -M latexpdf . .
 
 PowerDNS-Authoritative.pdf: latex/PowerDNS-Authoritative.pdf