more CMakeLists.txt header

Author: ndim

CMakeLists.txt

@@ -1,7 +1,9 @@
 # ======================================================================
 # CMakeLists.txt.  Generated from CMakeLists.txt.in by configure.ac.
+# ======================================================================
 # !!!!!!! DO NOT MODIFY THIS FILE !!!!!!!!
-# EDIT CMakeLists.txt.in INSTEAD AND RE-RUN autoreconf.
+# ======================================================================
+# EDIT CMakeLists.txt.in INSTEAD AND RE-RUN autoreconf/autogen.sh
 # ======================================================================
 
 cmake_minimum_required(VERSION 3.14)

CMakeLists.txt.in

@@ -1,6 +1,4 @@
-# ======================================================================
 # @configure_input@
-# ======================================================================
 
 cmake_minimum_required(VERSION 3.14)
 

buildstuff/sed-substitute

@@ -47,7 +47,7 @@ esac
 
 tmqname="$outname.tmq.$$"
 
-${SED-sed} -e "s|^\(.*\)[@]configure_input[@]|\1$outname.  Generated from $inname by configure.ac.\n\1!!!!!!! DO NOT MODIFY THIS FILE !!!!!!!!\n\1EDIT $inname INSTEAD AND RE-RUN autoreconf.|g" "$@" < "$inname" > "$tmqname" || {
+${SED-sed} -e "s|^\(.*\)[@]configure_input[@]|\1======================================================================\n\1$outname.  Generated from $inname by configure.ac.\n\1======================================================================\n\1!!!!!!! DO NOT MODIFY THIS FILE !!!!!!!!\n\1======================================================================\n\1EDIT $inname INSTEAD AND RE-RUN autoreconf/autogen.sh\n\1======================================================================|g" "$@" < "$inname" > "$tmqname" || {
     s="$?"
     echo "$prog: Error running sed, exit code $s." >&2
     rm -f "$tmqname"