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353 lines
11 KiB
353 lines
11 KiB
#!/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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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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my @gens = Generators::available(); |
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my $gen = "Vcproj"; |
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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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-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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# Parse command-line options |
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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 "--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 $infile"; |
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@makedry = <F>; |
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close(F); |
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} |
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} |
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# NOT using File::Spec->rel2abs($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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# 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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# Pipe a make --dry-run into a variable, if not already loaded from file |
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@makedry = `cd $git_dir && make -n MSVC=1 V=1 2>/dev/null` if !@makedry; |
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# Parse the make output into usable info |
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parseMakeOutput(); |
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# Finally, ask the generator to start generating.. |
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Generators::generate($gen, $git_dir, $out_dir, $rel_dir, %build_structure); |
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# main flow ends here |
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# ------------------------------------------------------------------------------------------------- |
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# 1) path: /foo/bar/baz 2) path: /foo/bar/baz 3) path: /foo/bar/baz |
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# base: /foo/bar/baz/temp base: /foo/bar base: /tmp |
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# rel: .. rel: baz rel: ../foo/bar/baz |
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sub makeOutRel2Git |
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{ |
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my ($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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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($ate_next); |
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if($text =~ / -c /) { |
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# compilation |
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handleCompileLine($text, $line); |
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} elsif ($text =~ / -o /) { |
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# linking executable |
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handleLinkLine($text, $line); |
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} elsif ($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 =~ /^test / && $text =~ /|| rm -f /) { |
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# # commands removing executables, if they exist |
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# |
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# } elsif ($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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# 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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# variables for the compilation part of each step |
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my (@defines, @incpaths, @cflags, @sources); |
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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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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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%dupHash = map { $_, 1 } @incpaths; |
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@incpaths = keys %dupHash; |
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%dupHash = map { $_, 1 } @cflags; |
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@cflags = keys %dupHash; |
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} |
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sub handleCompileLine |
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{ |
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my ($line, $lineno) = @_; |
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my @parts = split(' ', $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{"${sourcefile}_INCPATHS"}} = @incpaths; |
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clearCompileStep(); |
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} |
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sub handleLibLine |
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{ |
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my ($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 = split(' ', $line); |
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while ($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{"${sourcefile}_INCPATHS"}}); |
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} |
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removeDuplicates(); |
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push(@{$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_${libout}_OBJECTS"}} = @objfiles; |
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clearCompileStep(); |
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} |
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sub handleLinkLine |
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{ |
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my ($line, $lineno) = @_; |
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my (@objfiles, @lflags, @libs, $appout, $part); |
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my @parts = split(' ', $line); |
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shift(@parts); # ignore cmd |
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while ($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 =~ /^-/) { |
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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 =~ /\.(o|obj)$/) { |
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push(@objfiles, $part); |
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} else { |
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die "Unhandled lib option @ line $lineno: $part"; |
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} |
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} |
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# print "AppOut: '$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{"${sourcefile}_INCPATHS"}}); |
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} |
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removeDuplicates(); |
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removeDuplicates(); |
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push(@{$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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