From: Philip Oakley <philipoakley@iee.org>
Date: Thu, 25 Jun 2015 00:03:49 GMT
Subject: [PATCH 13/17] engine.pl: provide more debug print statements
Message-ID: <1435190633-2208-14-git-send-email-philipoakley@iee.org>
In-Reply-To: <1435190633-2208-1-git-send-email-philipoakley@iee.org>

Assist developers transitioning between the two cultures
by including appropriate, but commented out, debug statements.

The exception is when an unhandled compiler option is detected,
where printing of the full line will supplement the line number and
option part. Otherwise the OP has no immediate mechanism for
inspecting the relevant part of the makedry output.

These debug print statements act as a guide for a poor man's --verbose
option. The test suite doesn't cover the contrib/buildsystems (or
Msysgit's msvc-build) contributions so fails to notice breakages there-in.

It is doubly hard to get developers to ride both horses so, contrary to
normal convention, retain selected debug statements as a safety net for
those willing to try.

Signed-off-by: Philip Oakley <philipoakley@iee.org>
---
 contrib/buildsystems/engine.pl | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/contrib/buildsystems/engine.pl b/contrib/buildsystems/engine.pl
index 7a2aeef..ac2970a 100644
--- a/contrib/buildsystems/engine.pl
+++ b/contrib/buildsystems/engine.pl
@@ -41,6 +41,7 @@ EOM
 # Parse command-line options
 while (@ARGV) {
     my $arg = shift @ARGV;
+	#print "Arg: $arg \n";
     if ("$arg" eq "-h" || "$arg" eq "--help" || "$arg" eq "-?") {
 	showUsage();
 	exit(0);
@@ -129,6 +130,7 @@ sub parseMakeOutput
     print "Parsing GNU Make output to figure out build structure...\n";
     my $line = 0;
     while (my $text = shift @makedry) {
+		#print "Make: $text\n"; # show the makedry line
         my $ate_next;
         do {
             $ate_next = 0;
@@ -263,6 +265,7 @@ sub handleCompileLine
         } elsif ($part =~ /\.(c|cc|cpp)$/) {
             $sourcefile = $part;
         } else {
+            print "full line: $line\n";
             die "Unhandled compiler option @ line $lineno: $part";
         }
     }
@@ -288,6 +291,7 @@ sub handleLibLine
             $libout = $part;
             $libout =~ s/\.a$//;
         } else {
+            print "full line: $line\n";
             die "Unhandled lib option @ line $lineno: $part";
         }
     }
-- 
2.3.1

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