initial version of documented CentOS7 vagrant script

docs/CMakeLists.txt

@@ -0,0 +1,18 @@
+# Auto-generated vagrant install documentation
+
+set (INSTALLDOCFILES
+     install-on-centos-7
+    )
+
+foreach (df ${INSTALLDOCFILES})
+    ADD_CUSTOM_COMMAND( OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/${df}.md
+        COMMAND sed [=['/^#!/d;s:^#\( \|$$\)::;s/.*#DOCS://']=] ${PROJECT_SOURCE_DIR}/vagrant/${df}.sh > ${CMAKE_CURRENT_BINARY_DIR}/${df}.md
+        MAIN_DEPENDENCY ${PROJECT_SOURCE_DIR}/vagrant/${df}.sh
+        COMMENT "Creating markdown docs from vagrant/${df}.sh"
+        )
+
+ADD_CUSTOM_TARGET( md_install_${df} ALL
+        DEPENDS ${CMAKE_CURRENT_BINARY_DIR}/${df}.md
+        )
+endforeach()
+