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https://github.com/git/git
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38743b7d10
Having recently added support for building git-imap-send on
Windows, we now link against OpenSSL libraries, and the linker
issues the following warning:
warning LNK4044: unrecognized option '/lssl'; ignored
In order to suppress the warning, we change the msvc linker
script to translate an '-lssl' parameter to the ssleay32.lib
library.
Note that the linker script was already including ssleay32.lib
(along with libeay32.lib) as part of the translation of the
'-lcrypto' library parameter. However, libeay32.dll does not
depend on ssleay32.dll and can be used stand-alone, so we remove
ssleay32.lib from the '-lcrypto' translation.
The dependence of ssleay32.dll on libeay32.dll is represented in
the Makefile by the NEEDS_CRYPTO_WITH_SSL build variable.
Also, add the corresponding change to the buildsystem generator.
Signed-off-by: Ramsay Jones <ramsay@ramsay1.demon.co.uk>
Acked-by: Sebastian Schuberth <sschuberth@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
359 lines
11 KiB
Perl
359 lines
11 KiB
Perl
#!/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 =~ /^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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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 =~ /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" 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 =~ /^-/) {
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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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