--- loncom/build/Attic/parse.pl	2001/03/05 15:27:05	1.32
+++ loncom/build/Attic/parse.pl	2001/04/11 03:06:00	1.33
@@ -2,8 +2,18 @@
 
 # Scott Harrison
 # November 2000
+# ... 
+# 04/10/2001
 
-# Read in loncapa tags and metagroup tags
+
+# Read in loncapa tags and metagroup tags.  Output various
+# useful files for viewing, compiling, monitoring, updating,
+# and installing.
+
+# This code works well.  HOWEVER, I was in a rush when I
+# wrote it.  Future plans are that the parsing should be
+# much more event-state based and the input should be
+# more XML-ish. -Scott
 
 # ---------------------------------------------- Read in command line arguments
 my ($file,$mode)=@ARGV;
@@ -568,7 +578,9 @@ sub make_files_build_segment {
     my $description;
     my @allfiles=keys %{$info{'LOCATION'}{$distribution}};
     my $tab="\t";
-    my $sources="all: ";
+    my $sources="# Dynamic Makefile generated by LON-CAPA build process\n\n";
+    $sources.="SHELL=\"/bin/sh\"\n\n";
+    $sources.="\nall: ";
     foreach my $d (@$dirs) {
 	# set other values
 	my $dirdescription=$info{'DIRECTORY'}{$distribution}{$d}{'DESCRIPTION'};
@@ -609,9 +621,25 @@ sub make_files_build_segment {
 			$depstat=" alwaysrun";
 		    }
 		    $dependencies=~s/\s+/ $sdir/gs;
+		    my @deps=split(/\s+/,$dependencies);
+		    shift @deps;
+		    my $testing=<<END;
+	\@if !(echo "");\\
+	        then echo "**** LON-CAPA WARNING **** Strange shell. Check your path settings.";\\
+END
+		    foreach my $d (@deps) {
+			$testing.=<<END;
+	elif !(test -r $d);\\
+		then echo "**** LON-CAPA WARNING **** missing the file: $d";\\
+END
+		    }
+		    chop $testing;
 		    $description.=<<END;
-$source2: $dependencies$depstat
-${tab}cd $directory; sh ./$buildfile
+$source2: $depstat
+$testing
+        else \\
+	    ${tab}cd $directory; sh ./$buildfile;\\
+        fi
 
 END
 		}