[buildsystem,release] Install cmake package version files with autotools.

With this patch autotools now creates the file
<dune-module>-config-version.cmake mit autotools. To facilitate this
we added the variables DUNE_MOD_{MAJOR,MINOR,REVISION} to the makefiles.

am/cmake-pkg-config

@@ -26,4 +26,18 @@ install-exec-local:
 	done; \
 	$(mkinstalldirs) $(DESTDIR)$(libdir)/cmake/$(PACKAGE) || exit 1; \
 	$(INSTALL_DATA) $(PACKAGE)-config.tmp $(DESTDIR)$(libdir)/cmake/$(PACKAGE)/$(PACKAGE)-config.cmake; \
-	rm $(PACKAGE)-config.tmp
+	rm $(PACKAGE)-config.tmp; \
+	full_version="$(DUNE_MOD_VERSION_MAJOR)"."$(DUNE_MOD_VERSION_MINOR)"."$(DUNE_MOD_VERSION_REVISION)"; \
+	echo "set(PACKAGE_VERSION \"$$full_version\")" >$(PACKAGE)-config-version.tmp; \
+	echo >>$(PACKAGE)-config-version.tmp; \
+	echo "if(\"\$${PACKAGE_FIND_VERSION_MAJOR}\" EQUAL \"$(DUNE_MOD_VERSION_MAJOR)\"" >> $(PACKAGE)-config-version.tmp; \
+	echo "     AND \"\$${PACKAGE_FIND_VERSION_MINOR}\" EQUAL \"$(DUNE_MOD_VERSION_MINOR)\")">>$(PACKAGE)-config-version.tmp; \
+	echo "  set (PACKAGE_VERSION_COMPATIBLE 1)" >>$(PACKAGE)-config-version.tmp; \
+	echo "  if (\"\$${PACKAGE_FIND_VERSION}\" VERSION_EQUAL \"$$full_version\")" >> $(PACKAGE)-config-version.tmp; \
+        echo "    set(PACKAGE_VERSION_EXACT 1)" >> $(PACKAGE)-config-version.tmp; \
+        echo "  endif()" >> $(PACKAGE)-config-version.tmp; \
+   	echo "endif()" >> $(PACKAGE)-config-version.tmp; \
+	$(INSTALL_DATA) $(PACKAGE)-config-version.tmp $(DESTDIR)$(libdir)/cmake/$(PACKAGE)/$(PACKAGE)-config-version.cmake; \
+        rm $(PACKAGE)-config-version.cmake
+
+	

m4/dune.m4

@@ -195,6 +195,9 @@ AC_DEFUN([DUNE_PARSE_MODULE_VERSION],[
   AC_SUBST(_DUNE_MODULE[]_VERSION_MAJOR,_dune_sub_version(_dune_version,1))
   AC_SUBST(_DUNE_MODULE[]_VERSION_MINOR,_dune_sub_version(_dune_version,2))
   AC_SUBST(_DUNE_MODULE[]_VERSION_REVISION,_dune_sub_version(_dune_version,3))
+  AC_SUBST(DUNE_MOD_VERSION_MAJOR,_dune_sub_version(_dune_version,1))
+  AC_SUBST(DUNE_MOD_VERSION_MINOR,_dune_sub_version(_dune_version,2))
+  AC_SUBST(DUNE_MOD_VERSION_REVISION,_dune_sub_version(_dune_version,3))
 
   AC_DEFINE_UNQUOTED(_DUNE_MODULE[]_VERSION, "_dune_version", [Define to the version of] _dune_name)
   AC_DEFINE_UNQUOTED(_DUNE_MODULE[]_VERSION_MAJOR, $_DUNE_MODULE[]_VERSION_MAJOR, [Define to the major version of] _dune_name)