394 lines
		
	
	
	
		
			12 KiB
		
	
	
	
		
			Perl
		
	
	
		
			Executable file
		
	
	
	
	
			
		
		
	
	
			394 lines
		
	
	
	
		
			12 KiB
		
	
	
	
		
			Perl
		
	
	
		
			Executable file
		
	
	
	
	
| #!/usr/bin/perl -w
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| ######################################################################
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| # Do not call this script directly!
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| #
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| # The generate script ensures that @INC is correct before the engine
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| # is executed.
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| #
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| # Copyright (C) 2009 Marius Storm-Olsen <mstormo@gmail.com>
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| ######################################################################
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| use strict;
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| use File::Basename;
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| use File::Spec;
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| use Cwd;
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| use Generators;
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| use Text::ParseWords;
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| 
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| my (%build_structure, %compile_options, @makedry);
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| my $out_dir = getcwd();
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| my $git_dir = $out_dir;
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| $git_dir =~ s=\\=/=g;
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| $git_dir = dirname($git_dir) while (!-e "$git_dir/git.c" && "$git_dir" ne "");
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| die "Couldn't find Git repo" if ("$git_dir" eq "");
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| 
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| my @gens = Generators::available();
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| my $gen = "Vcproj";
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| 
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| sub showUsage
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| {
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|     my $genlist = join(', ', @gens);
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|     print << "EOM";
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| generate usage:
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|   -g <GENERATOR>  --gen <GENERATOR> Specify the buildsystem generator    (default: $gen)
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|                                     Available: $genlist
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|   -o <PATH>       --out <PATH>      Specify output directory generation  (default: .)
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|                   --make-out <PATH> Write the output of GNU Make into a file
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|   -i <FILE>       --in <FILE>       Specify input file, instead of running GNU Make
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|   -h,-?           --help            This help
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| EOM
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|     exit 0;
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| }
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| 
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| # Parse command-line options
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| my $make_out;
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| while (@ARGV) {
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|     my $arg = shift @ARGV;
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|     if ("$arg" eq "-h" || "$arg" eq "--help" || "$arg" eq "-?") {
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| 	showUsage();
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| 	exit(0);
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|     } elsif("$arg" eq "--out" || "$arg" eq "-o") {
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| 	$out_dir = shift @ARGV;
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|     } elsif("$arg" eq "--make-out") {
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| 	$make_out = shift @ARGV;
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|     } elsif("$arg" eq "--gen" || "$arg" eq "-g") {
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| 	$gen = shift @ARGV;
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|     } elsif("$arg" eq "--in" || "$arg" eq "-i") {
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| 	my $infile = shift @ARGV;
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|         open(F, "<$infile") || die "Couldn't open file $infile";
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|         @makedry = <F>;
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|         close(F);
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|     } else {
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|         die "Unknown option: " . $arg;
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|     }
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| }
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| 
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| # NOT using File::Spec->rel2abs($path, $base) here, as
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| # it fails badly for me in the msysgit environment
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| $git_dir = File::Spec->rel2abs($git_dir);
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| $out_dir = File::Spec->rel2abs($out_dir);
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| my $rel_dir = makeOutRel2Git($git_dir, $out_dir);
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| 
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| # Print some information so the user feels informed
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| print << "EOM";
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| -----
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| Generator: $gen
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| Git dir:   $git_dir
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| Out dir:   $out_dir
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| -----
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| Running GNU Make to figure out build structure...
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| EOM
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| 
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| # Pipe a make --dry-run into a variable, if not already loaded from file
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| # Capture the make dry stderr to file for review (will be empty for a release build).
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| 
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| my $ErrsFile = "msvc-build-makedryerrors.txt";
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| @makedry = `make -C $git_dir -n MSVC=1 SKIP_VCPKG=1 V=1 2>$ErrsFile`
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| if !@makedry;
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| # test for an empty Errors file and remove it
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| unlink $ErrsFile if -f -z $ErrsFile;
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| 
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| if (defined $make_out) {
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|     open OUT, ">" . $make_out;
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|     print OUT @makedry;
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|     close OUT;
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| }
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| 
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| # Parse the make output into usable info
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| parseMakeOutput();
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| 
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| # Finally, ask the generator to start generating..
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| Generators::generate($gen, $git_dir, $out_dir, $rel_dir, %build_structure);
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| 
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| # main flow ends here
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| # -------------------------------------------------------------------------------------------------
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| 
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| 
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| # 1) path: /foo/bar/baz        2) path: /foo/bar/baz   3) path: /foo/bar/baz
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| #    base: /foo/bar/baz/temp      base: /foo/bar          base: /tmp
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| #    rel:  ..                     rel:  baz               rel:  ../foo/bar/baz
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| sub makeOutRel2Git
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| {
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|     my ($path, $base) = @_;
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|     my $rel;
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|     if ("$path" eq "$base") {
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|         return ".";
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|     } elsif ($base =~ /^$path/) {
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|         # case 1
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|         my $tmp = $base;
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|         $tmp =~ s/^$path//;
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|         foreach (split('/', $tmp)) {
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|             $rel .= "../" if ("$_" ne "");
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|         }
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|     } elsif ($path =~ /^$base/) {
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|         # case 2
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|         $rel = $path;
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|         $rel =~ s/^$base//;
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|         $rel = "./$rel";
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|     } else {
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|         my $tmp = $base;
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|         foreach (split('/', $tmp)) {
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|             $rel .= "../" if ("$_" ne "");
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|         }
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|         $rel .= $path;
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|     }
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|     $rel =~ s/\/\//\//g; # simplify
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|     $rel =~ s/\/$//;     # don't end with /
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|     return $rel;
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| }
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| 
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| sub parseMakeOutput
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| {
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|     print "Parsing GNU Make output to figure out build structure...\n";
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|     my $line = 0;
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|     while (my $text = shift @makedry) {
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|         my $ate_next;
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|         do {
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|             $ate_next = 0;
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|             $line++;
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|             chomp $text;
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|             chop $text if ($text =~ /\r$/);
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|             if ($text =~ /\\$/) {
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|                 $text =~ s/\\$//;
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|                 $text .= shift @makedry;
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|                 $ate_next = 1;
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|             }
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|         } while($ate_next);
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| 
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|         if ($text =~ /^test /) {
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|             # options to test (eg -o) may be mistaken for linker options
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|             next;
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|         }
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| 
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|         if ($text =~ /^(mkdir|msgfmt) /) {
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|             # options to the Portable Object translations
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|             # the line "mkdir ... && msgfmt ..." contains no linker options
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|             next;
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|         }
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| 
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|         if($text =~ / -c /) {
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|             # compilation
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|             handleCompileLine($text, $line);
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| 
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|         } elsif ($text =~ / -o /) {
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|             # linking executable
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|             handleLinkLine($text, $line);
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| 
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|         } elsif ($text =~ /\.o / && $text =~ /\.a /) {
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|             # libifying
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|             handleLibLine($text, $line);
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| #
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| #        } elsif ($text =~ /^cp /) {
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| #            # copy file around
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| #
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| #        } elsif ($text =~ /^rm -f /) {
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| #            # shell command
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| #
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| #        } elsif ($text =~ /^make[ \[]/) {
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| #            # make output
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| #
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| #        } elsif ($text =~ /^echo /) {
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| #            # echo to file
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| #
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| #        } elsif ($text =~ /^if /) {
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| #            # shell conditional
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| #
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| #        } elsif ($text =~ /^tclsh /) {
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| #            # translation stuff
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| #
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| #        } elsif ($text =~ /^umask /) {
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| #            # handling boilerplates
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| #
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| #        } elsif ($text =~ /\$\(\:\)/) {
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| #            # ignore
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| #
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| #        } elsif ($text =~ /^FLAGS=/) {
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| #            # flags check for dependencies
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| #
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| #        } elsif ($text =~ /^'\/usr\/bin\/perl' -MError -e/) {
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| #            # perl commands for copying files
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| #
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| #        } elsif ($text =~ /generate-cmdlist\.sh/) {
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| #            # command for generating list of commands
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| #
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| #        } elsif ($text =~ /new locations or Tcl/) {
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| #            # command for detecting Tcl/Tk changes
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| #
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| #        } elsif ($text =~ /mkdir -p/) {
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| #            # command creating path
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| #
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| #        } elsif ($text =~ /: no custom templates yet/) {
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| #            # whatever
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| #
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| #        } else {
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| #            print "Unhandled (line: $line): $text\n";
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|         }
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|     }
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| 
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| #    use Data::Dumper;
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| #    print "Parsed build structure:\n";
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| #    print Dumper(%build_structure);
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| }
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| 
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| # variables for the compilation part of each step
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| my (@defines, @incpaths, @cflags, @sources);
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| 
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| sub clearCompileStep
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| {
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|     @defines = ();
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|     @incpaths = ();
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|     @cflags = ();
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|     @sources = ();
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| }
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| 
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| sub removeDuplicates
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| {
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|     my (%dupHash, $entry);
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|     %dupHash = map { $_, 1 } @defines;
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|     @defines = keys %dupHash;
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| 
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|     %dupHash = map { $_, 1 } @incpaths;
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|     @incpaths = keys %dupHash;
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| 
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|     %dupHash = map { $_, 1 } @cflags;
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|     @cflags = keys %dupHash;
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| }
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| 
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| sub handleCompileLine
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| {
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|     my ($line, $lineno) = @_;
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|     my @parts = shellwords($line);
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|     my $sourcefile;
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|     shift(@parts); # ignore cmd
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|     while (my $part = shift @parts) {
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|         if ("$part" eq "-o") {
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|             # ignore object file
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|             shift @parts;
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|         } elsif ("$part" eq "-c") {
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|             # ignore compile flag
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|         } elsif ("$part" eq "-c") {
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|         } elsif ($part =~ /^.?-I/) {
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|             push(@incpaths, $part);
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|         } elsif ($part =~ /^.?-D/) {
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|             push(@defines, $part);
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|         } elsif ($part =~ /^-/) {
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|             push(@cflags, $part);
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|         } elsif ($part =~ /\.(c|cc|cpp)$/) {
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|             $sourcefile = $part;
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|         } else {
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|             die "Unhandled compiler option @ line $lineno: $part";
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|         }
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|     }
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|     @{$compile_options{"${sourcefile}_CFLAGS"}} = @cflags;
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|     @{$compile_options{"${sourcefile}_DEFINES"}} = @defines;
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|     @{$compile_options{"${sourcefile}_INCPATHS"}} = @incpaths;
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|     clearCompileStep();
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| }
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| 
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| sub handleLibLine
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| {
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|     my ($line, $lineno) = @_;
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|     my (@objfiles, @lflags, $libout, $part);
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|     # kill cmd and rm 'prefix'
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|     $line =~ s/^rm -f .* && .* rcs //;
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|     my @parts = shellwords($line);
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|     while ($part = shift @parts) {
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|         if ($part =~ /^-/) {
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|             push(@lflags, $part);
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|         } elsif ($part =~ /\.(o|obj)$/) {
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|             push(@objfiles, $part);
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|         } elsif ($part =~ /\.(a|lib)$/) {
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|             $libout = $part;
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|             $libout =~ s/\.a$//;
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|         } else {
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|             die "Unhandled lib option @ line $lineno: $part";
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|         }
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|     }
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| #    print "LibOut: '$libout'\nLFlags: @lflags\nOfiles: @objfiles\n";
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| #    exit(1);
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|     foreach (@objfiles) {
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|         my $sourcefile = $_;
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|         $sourcefile =~ s/\.o$/.c/;
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|         push(@sources, $sourcefile);
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|         push(@cflags, @{$compile_options{"${sourcefile}_CFLAGS"}});
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|         push(@defines, @{$compile_options{"${sourcefile}_DEFINES"}});
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|         push(@incpaths, @{$compile_options{"${sourcefile}_INCPATHS"}});
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|     }
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|     removeDuplicates();
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| 
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|     push(@{$build_structure{"LIBS"}}, $libout);
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|     @{$build_structure{"LIBS_${libout}"}} = ("_DEFINES", "_INCLUDES", "_CFLAGS", "_SOURCES",
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|                                              "_OBJECTS");
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|     @{$build_structure{"LIBS_${libout}_DEFINES"}} = @defines;
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|     @{$build_structure{"LIBS_${libout}_INCLUDES"}} = @incpaths;
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|     @{$build_structure{"LIBS_${libout}_CFLAGS"}} = @cflags;
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|     @{$build_structure{"LIBS_${libout}_LFLAGS"}} = @lflags;
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|     @{$build_structure{"LIBS_${libout}_SOURCES"}} = @sources;
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|     @{$build_structure{"LIBS_${libout}_OBJECTS"}} = @objfiles;
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|     clearCompileStep();
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| }
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| 
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| sub handleLinkLine
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| {
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|     my ($line, $lineno) = @_;
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|     my (@objfiles, @lflags, @libs, $appout, $part);
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|     my @parts = shellwords($line);
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|     shift(@parts); # ignore cmd
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|     while ($part = shift @parts) {
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|         if ($part =~ /^-IGNORE/) {
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|             push(@lflags, $part);
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|         } elsif ($part =~ /^-[GRIMDO]/) {
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|             # eat compiler flags
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|         } elsif ("$part" eq "-o") {
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|             $appout = shift @parts;
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|         } elsif ("$part" eq "-lz") {
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|             push(@libs, "zlib.lib");
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|         } elsif ("$part" eq "-lcrypto") {
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|             push(@libs, "libeay32.lib");
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|         } elsif ("$part" eq "-lssl") {
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|             push(@libs, "ssleay32.lib");
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|         } elsif ("$part" eq "-lcurl") {
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|             push(@libs, "libcurl.lib");
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|         } elsif ("$part" eq "-lexpat") {
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|             push(@libs, "expat.lib");
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|         } elsif ("$part" eq "-liconv") {
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|             push(@libs, "libiconv.lib");
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|         } elsif ($part =~ /^[-\/]/) {
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|             push(@lflags, $part);
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|         } elsif ($part =~ /\.(a|lib)$/) {
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|             $part =~ s/\.a$/.lib/;
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|             push(@libs, $part);
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|         } elsif ($part eq 'invalidcontinue.obj') {
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|             # ignore - known to MSVC
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|         } elsif ($part =~ /\.o$/) {
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|             push(@objfiles, $part);
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|         } elsif ($part =~ /\.obj$/) {
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|             # do nothing, 'make' should not be producing .obj, only .o files
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|         } else {
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|             die "Unhandled link option @ line $lineno: $part";
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|         }
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|     }
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| #    print "AppOut: '$appout'\nLFlags: @lflags\nLibs  : @libs\nOfiles: @objfiles\n";
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| #    exit(1);
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|     foreach (@objfiles) {
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|         my $sourcefile = $_;
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|         $sourcefile =~ s/\.o$/.c/;
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|         push(@sources, $sourcefile);
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|         push(@cflags, @{$compile_options{"${sourcefile}_CFLAGS"}});
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|         push(@defines, @{$compile_options{"${sourcefile}_DEFINES"}});
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|         push(@incpaths, @{$compile_options{"${sourcefile}_INCPATHS"}});
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|     }
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|     removeDuplicates();
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| 
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|     removeDuplicates();
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|     push(@{$build_structure{"APPS"}}, $appout);
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|     @{$build_structure{"APPS_${appout}"}} = ("_DEFINES", "_INCLUDES", "_CFLAGS", "_LFLAGS",
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|                                              "_SOURCES", "_OBJECTS", "_LIBS");
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|     @{$build_structure{"APPS_${appout}_DEFINES"}} = @defines;
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|     @{$build_structure{"APPS_${appout}_INCLUDES"}} = @incpaths;
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|     @{$build_structure{"APPS_${appout}_CFLAGS"}} = @cflags;
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|     @{$build_structure{"APPS_${appout}_LFLAGS"}} = @lflags;
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|     @{$build_structure{"APPS_${appout}_SOURCES"}} = @sources;
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|     @{$build_structure{"APPS_${appout}_OBJECTS"}} = @objfiles;
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|     @{$build_structure{"APPS_${appout}_LIBS"}} = @libs;
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|     clearCompileStep();
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| }
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