Build: properly integrate version.py into build system

AC_CONFIG_FILES in configure.ac works well only with Makefiles.
Other files have to be handled by Makefile.am so depedencies
are tracked properly.

https://fedorahosted.org/freeipa/ticket/6498

Reviewed-By: Martin Basti <mbasti@redhat.com>

Makefile.am

@@ -127,11 +127,11 @@ endif WITH_JSLINT
 lint: acilint apilint $(POLINT_TARGET) $(PYLINT_TARGET) $(JSLINT_TARGET)
 
 .PHONY: acilint
-acilint:
+acilint: $(top_builddir)/ipapython/version.py
 	cd $(srcdir); ./makeaci --validate
 
 .PHONY: apilint
-apilint:
+apilint: $(top_builddir)/ipapython/version.py
 	cd $(srcdir); ./makeapi --validate
 
 .PHONY: polint
@@ -142,8 +142,11 @@ polint:
 # folders rpmbuild, freeipa-* and dist. Skip (match, but don't print) .*,
 # *.in, *~. Finally print all python files, including scripts that do not
 # have python extension.
-.PHONY: pylint
-pylint:
+.PHONY: pylint $(top_builddir)/ipapython/version.py
+$(top_builddir)/ipapython/version.py:
+	(cd $(top_builddir)/ipapython && make version.py)
+
+pylint: $(top_builddir)/ipapython/version.py
 	FILES=`find $(top_srcdir) \
 		-type d -exec test -e '{}/__init__.py' \; -print -prune -o \
 		-path './rpmbuild' -prune -o \

configure.ac

@@ -539,7 +539,6 @@ AC_CONFIG_FILES([
     ipalib/Makefile
     ipaplatform/Makefile
     ipapython/Makefile
-    ipapython/version.py
     ipaserver/Makefile
     ipasetup.py
     ipatests/Makefile

ipapython/Makefile.am

@@ -1 +1,14 @@
 include $(top_srcdir)/Makefile.python.am
+
+EXTRA_DIST = version.py.in
+
+all-local: version.py
+dist-hook: version.py
+
+version.py: version.py.in $(top_builddir)/$(CONFIG_STATUS)
+	$(AM_V_GEN)sed						\
+		-e 's|@API_VERSION[@]|$(API_VERSION)|g'		\
+		-e 's|@NUM_VERSION[@]|$(NUM_VERSION)|g'		\
+		-e 's|@VERSION[@]|$(VERSION)|g'			\
+		-e 's|@VENDOR_SUFFIX[@]|$(VENDOR_SUFFIX)|g'	\
+		$< > $@