--- loncom/build/Attic/parse.pl	2001/02/26 21:21:47	1.28
+++ 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
 		}
@@ -727,7 +755,7 @@ END
 		my ($owner,$group)=split(/\:/,$devchown);
 		if ($category eq 'conf') {
 		    $description.=<<END;
-\tinstall -b -S `date +'.\%Y\%m\%d\%H\%M\%S'` -o $owner -g $group -m $devchmod \$(SOURCE)/$source \$(TARGET)/$rot
+\tcp -p \$(TARGET)/$rot \$(TARGET)/$rot`date +'.\%Y\%m\%d\%H\%M\%S'` 2>/dev/null; install -o $owner -g $group -m $devchmod \$(SOURCE)/$source \$(TARGET)/$rot
 END
                 }
 	    }
@@ -1392,7 +1420,7 @@ END
 			    chop $checksum_source;
 			    $checksum_target=`md5sum /$filesfull[$i] | cut -d ' ' -f1`;
 			    chop $checksum_target;
-			    warn ("CS: $checksum_source, CT: $checksum_target\n");
+#			    warn ("CS: $checksum_source, CT: $checksum_target\n");
 			    unless ($checksum_source eq $checksum_target) {
 				$checksum="<BR><B><U>CHECKSUM DIFFERENCE</U></B>";
 			    }