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Generators	-	0755	-
CMakeLists.txt	34.87 KB	0644	Edit Rename Delete
Generators.pm	1.08 KB	0644	Edit Rename Delete
engine.pl	11.96 KB	0644	Edit Rename Delete
generate	1.18 KB	0644	Edit Rename Delete
parse.pl	6.52 KB	0644	Edit Rename Delete

Edit File:engine.pl

#!/usr/bin/perl -w
######################################################################
# Do not call this script directly!
#
# The generate script ensures that @INC is correct before the engine
# is executed.
#
# Copyright (C) 2009 Marius Storm-Olsen <mstormo@gmail.com>
######################################################################
use strict;
use File::Basename;
use File::Spec;
use Cwd;
use Generators;
use Text::ParseWords;

my (%build_structure, %compile_options, @makedry);
my $out_dir = getcwd();
my $git_dir = $out_dir;
$git_dir =~ s=\\=/=g;
$git_dir = dirname($git_dir) while (!-e "$git_dir/git.c" && "$git_dir" ne "");
die "Couldn't find Git repo" if ("$git_dir" eq "");

my @gens = Generators::available();
my $gen = "Vcproj";

sub showUsage
{
    my $genlist = join(', ', @gens);
    print << "EOM";
generate usage:
  -g <GENERATOR>  --gen <GENERATOR> Specify the buildsystem generator    (default: $gen)
                                    Available: $genlist
  -o <PATH>       --out <PATH>      Specify output directory generation  (default: .)
                  --make-out <PATH> Write the output of GNU Make into a file
  -i <FILE>       --in <FILE>       Specify input file, instead of running GNU Make
  -h,-?           --help            This help
EOM
    exit 0;
}

# Parse command-line options
my $make_out;
while (@ARGV) {
    my $arg = shift @ARGV;
    if ("$arg" eq "-h" || "$arg" eq "--help" || "$arg" eq "-?") {
	showUsage();
	exit(0);
    } elsif("$arg" eq "--out" || "$arg" eq "-o") {
	$out_dir = shift @ARGV;
    } elsif("$arg" eq "--make-out") {
	$make_out = shift @ARGV;
    } elsif("$arg" eq "--gen" || "$arg" eq "-g") {
	$gen = shift @ARGV;
    } elsif("$arg" eq "--in" || "$arg" eq "-i") {
	my $infile = shift @ARGV;
        open(F, "<$infile") || die "Couldn't open file $infile";
        @makedry = <F>;
        close(F);
    } else {
        die "Unknown option: " . $arg;
    }
}

# NOT using File::Spec->rel2abs($path, $base) here, as
# it fails badly for me in the msysgit environment
$git_dir = File::Spec->rel2abs($git_dir);
$out_dir = File::Spec->rel2abs($out_dir);
my $rel_dir = makeOutRel2Git($git_dir, $out_dir);

# Print some information so the user feels informed
print << "EOM";
-----
Generator: $gen
Git dir:   $git_dir
Out dir:   $out_dir
-----
Running GNU Make to figure out build structure...
EOM

# Pipe a make --dry-run into a variable, if not already loaded from file
# Capture the make dry stderr to file for review (will be empty for a release build).

my $ErrsFile = "msvc-build-makedryerrors.txt";
@makedry = `make -C $git_dir -n MSVC=1 SKIP_VCPKG=1 V=1 2>$ErrsFile`
if !@makedry;
# test for an empty Errors file and remove it
unlink $ErrsFile if -f -z $ErrsFile;

if (defined $make_out) {
    open OUT, ">" . $make_out;
    print OUT @makedry;
    close OUT;
}

# Parse the make output into usable info
parseMakeOutput();

# Finally, ask the generator to start generating..
Generators::generate($gen, $git_dir, $out_dir, $rel_dir, %build_structure);

# main flow ends here
# -------------------------------------------------------------------------------------------------

# 1) path: /foo/bar/baz        2) path: /foo/bar/baz   3) path: /foo/bar/baz
#    base: /foo/bar/baz/temp      base: /foo/bar          base: /tmp
#    rel:  ..                     rel:  baz               rel:  ../foo/bar/baz
sub makeOutRel2Git
{
    my ($path, $base) = @_;
    my $rel;
    if ("$path" eq "$base") {
        return ".";
    } elsif ($base =~ /^$path/) {
        # case 1
        my $tmp = $base;
        $tmp =~ s/^$path//;
        foreach (split('/', $tmp)) {
            $rel .= "../" if ("$_" ne "");
        }
    } elsif ($path =~ /^$base/) {
        # case 2
        $rel = $path;
        $rel =~ s/^$base//;
        $rel = "./$rel";
    } else {
        my $tmp = $base;
        foreach (split('/', $tmp)) {
            $rel .= "../" if ("$_" ne "");
        }
        $rel .= $path;
    }
    $rel =~ s/\/\//\//g; # simplify
    $rel =~ s/\/$//;     # don't end with /
    return $rel;
}

sub parseMakeOutput
{
    print "Parsing GNU Make output to figure out build structure...\n";
    my $line = 0;
    while (my $text = shift @makedry) {
        my $ate_next;
        do {
            $ate_next = 0;
            $line++;
            chomp $text;
            chop $text if ($text =~ /\r$/);
            if ($text =~ /\\$/) {
                $text =~ s/\\$//;
                $text .= shift @makedry;
                $ate_next = 1;
            }
        } while($ate_next);

if ($text =~ /^test /) {
            # options to test (eg -o) may be mistaken for linker options
            next;
        }

if ($text =~ /^(mkdir|msgfmt) /) {
            # options to the Portable Object translations
            # the line "mkdir ... && msgfmt ..." contains no linker options
            next;
        }

if($text =~ / -c /) {
            # compilation
            handleCompileLine($text, $line);

} elsif ($text =~ / -o /) {
            # linking executable
            handleLinkLine($text, $line);

} elsif ($text =~ /\.o / && $text =~ /\.a /) {
            # libifying
            handleLibLine($text, $line);
#
#        } elsif ($text =~ /^cp /) {
#            # copy file around
#
#        } elsif ($text =~ /^rm -f /) {
#            # shell command
#
#        } elsif ($text =~ /^make[ \[]/) {
#            # make output
#
#        } elsif ($text =~ /^echo /) {
#            # echo to file
#
#        } elsif ($text =~ /^if /) {
#            # shell conditional
#
#        } elsif ($text =~ /^tclsh /) {
#            # translation stuff
#
#        } elsif ($text =~ /^umask /) {
#            # handling boilerplates
#
#        } elsif ($text =~ /\$$\:$/) {
#            # ignore
#
#        } elsif ($text =~ /^FLAGS=/) {
#            # flags check for dependencies
#
#        } elsif ($text =~ /^'\/usr\/bin\/perl' -MError -e/) {
#            # perl commands for copying files
#
#        } elsif ($text =~ /generate-cmdlist\.sh/) {
#            # command for generating list of commands
#
#        } elsif ($text =~ /new locations or Tcl/) {
#            # command for detecting Tcl/Tk changes
#
#        } elsif ($text =~ /mkdir -p/) {
#            # command creating path
#
#        } elsif ($text =~ /: no custom templates yet/) {
#            # whatever
#
#        } else {
#            print "Unhandled (line: $line): $text\n";
        }
    }

#    use Data::Dumper;
#    print "Parsed build structure:\n";
#    print Dumper(%build_structure);
}

# variables for the compilation part of each step
my (@defines, @incpaths, @cflags, @sources);

sub clearCompileStep
{
    @defines = ();
    @incpaths = ();
    @cflags = ();
    @sources = ();
}

sub removeDuplicates
{
    my (%dupHash, $entry);
    %dupHash = map { $_, 1 } @defines;
    @defines = keys %dupHash;

%dupHash = map { $_, 1 } @incpaths;
    @incpaths = keys %dupHash;

%dupHash = map { $_, 1 } @cflags;
    @cflags = keys %dupHash;
}

sub handleCompileLine
{
    my ($line, $lineno) = @_;
    my @parts = shellwords($line);
    my $sourcefile;
    shift(@parts); # ignore cmd
    while (my $part = shift @parts) {
        if ("$part" eq "-o") {
            # ignore object file
            shift @parts;
        } elsif ("$part" eq "-c") {
            # ignore compile flag
        } elsif ("$part" eq "-c") {
        } elsif ($part =~ /^.?-I/) {
            push(@incpaths, $part);
        } elsif ($part =~ /^.?-D/) {
            push(@defines, $part);
        } elsif ($part =~ /^-/) {
            push(@cflags, $part);
        } elsif ($part =~ /\.(c|cc|cpp)$/) {
            $sourcefile = $part;
        } else {
            die "Unhandled compiler option @ line $lineno: $part";
        }
    }
    @{$compile_options{"${sourcefile}_CFLAGS"}} = @cflags;
    @{$compile_options{"${sourcefile}_DEFINES"}} = @defines;
    @{$compile_options{"${sourcefile}_INCPATHS"}} = @incpaths;
    clearCompileStep();
}

sub handleLibLine
{
    my ($line, $lineno) = @_;
    my (@objfiles, @lflags, $libout, $part);
    # kill cmd and rm 'prefix'
    $line =~ s/^rm -f .* && .* rcs //;
    my @parts = shellwords($line);
    while ($part = shift @parts) {
        if ($part =~ /^-/) {
            push(@lflags, $part);
        } elsif ($part =~ /\.(o|obj)$/) {
            push(@objfiles, $part);
        } elsif ($part =~ /\.(a|lib)$/) {
            $libout = $part;
            $libout =~ s/\.a$//;
        } else {
            die "Unhandled lib option @ line $lineno: $part";
        }
    }
#    print "LibOut: '$libout'\nLFlags: @lflags\nOfiles: @objfiles\n";
#    exit(1);
    foreach (@objfiles) {
        my $sourcefile = $_;
        $sourcefile =~ s/\.o$/.c/;
        push(@sources, $sourcefile);
        push(@cflags, @{$compile_options{"${sourcefile}_CFLAGS"}});
        push(@defines, @{$compile_options{"${sourcefile}_DEFINES"}});
        push(@incpaths, @{$compile_options{"${sourcefile}_INCPATHS"}});
    }
    removeDuplicates();

push(@{$build_structure{"LIBS"}}, $libout);
    @{$build_structure{"LIBS_${libout}"}} = ("_DEFINES", "_INCLUDES", "_CFLAGS", "_SOURCES",
                                             "_OBJECTS");
    @{$build_structure{"LIBS_${libout}_DEFINES"}} = @defines;
    @{$build_structure{"LIBS_${libout}_INCLUDES"}} = @incpaths;
    @{$build_structure{"LIBS_${libout}_CFLAGS"}} = @cflags;
    @{$build_structure{"LIBS_${libout}_LFLAGS"}} = @lflags;
    @{$build_structure{"LIBS_${libout}_SOURCES"}} = @sources;
    @{$build_structure{"LIBS_${libout}_OBJECTS"}} = @objfiles;
    clearCompileStep();
}

sub handleLinkLine
{
    my ($line, $lineno) = @_;
    my (@objfiles, @lflags, @libs, $appout, $part);
    my @parts = shellwords($line);
    shift(@parts); # ignore cmd
    while ($part = shift @parts) {
        if ($part =~ /^-IGNORE/) {
            push(@lflags, $part);
        } elsif ($part =~ /^-[GRIMDO]/) {
            # eat compiler flags
        } elsif ("$part" eq "-o") {
            $appout = shift @parts;
        } elsif ("$part" eq "-lz") {
            push(@libs, "zlib.lib");
        } elsif ("$part" eq "-lcrypto") {
            push(@libs, "libcrypto.lib");
        } elsif ("$part" eq "-lssl") {
            push(@libs, "libssl.lib");
        } elsif ("$part" eq "-lcurl") {
            push(@libs, "libcurl.lib");
        } elsif ("$part" eq "-lexpat") {
            push(@libs, "libexpat.lib");
        } elsif ("$part" eq "-liconv") {
            push(@libs, "iconv.lib");
        } elsif ($part =~ /^[-\/]/) {
            push(@lflags, $part);
        } elsif ($part =~ /\.(a|lib)$/) {
            $part =~ s/\.a$/.lib/;
            push(@libs, $part);
        } elsif ($part eq 'invalidcontinue.obj') {
            # ignore - known to MSVC
        } elsif ($part =~ /\.o$/) {
            push(@objfiles, $part);
        } elsif ($part =~ /\.obj$/) {
            # do nothing, 'make' should not be producing .obj, only .o files
        } else {
            die "Unhandled link option @ line $lineno: $part";
        }
    }
#    print "AppOut: '$appout'\nLFlags: @lflags\nLibs  : @libs\nOfiles: @objfiles\n";
#    exit(1);
    foreach (@objfiles) {
        my $sourcefile = $_;
        $sourcefile =~ s/\.o$/.c/;
        push(@sources, $sourcefile);
        push(@cflags, @{$compile_options{"${sourcefile}_CFLAGS"}});
        push(@defines, @{$compile_options{"${sourcefile}_DEFINES"}});
        push(@incpaths, @{$compile_options{"${sourcefile}_INCPATHS"}});
    }
    removeDuplicates();

removeDuplicates();
    push(@{$build_structure{"APPS"}}, $appout);
    @{$build_structure{"APPS_${appout}"}} = ("_DEFINES", "_INCLUDES", "_CFLAGS", "_LFLAGS",
                                             "_SOURCES", "_OBJECTS", "_LIBS");
    @{$build_structure{"APPS_${appout}_DEFINES"}} = @defines;
    @{$build_structure{"APPS_${appout}_INCLUDES"}} = @incpaths;
    @{$build_structure{"APPS_${appout}_CFLAGS"}} = @cflags;
    @{$build_structure{"APPS_${appout}_LFLAGS"}} = @lflags;
    @{$build_structure{"APPS_${appout}_SOURCES"}} = @sources;
    @{$build_structure{"APPS_${appout}_OBJECTS"}} = @objfiles;
    @{$build_structure{"APPS_${appout}_LIBS"}} = @libs;
    clearCompileStep();
}

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current directory: / / usr / share / doc / git / contrib / buildsystems

Edit File:engine.pl