Add std docs to the build process

Author: brson

Makefile.in

@@ -141,6 +141,12 @@ else
   endif
 endif
 
+ifeq ($(CFG_NATURALDOCS),)
+  $(info cfg: no naturaldocs found, omitting doc/std/index.html
+else
+  DOCS += doc/std/index.html
+endif
+
 ifdef CFG_DISABLE_DOCS
   $(info cfg: disabling doc build (CFG_DISABLE_DOCS))
   DOCS :=

configure

@@ -254,6 +254,7 @@ probe CFG_MAKEINFO         makeinfo
 probe CFG_TEXI2PDF         texi2pdf
 probe CFG_TEX              tex
 probe CFG_MAKENSIS         makensis
+probe CFG_NATURALDOCS      naturaldocs
 
 if [ -z "$CFG_CLANG" -a -z "$CFG_GCC" ]
 then