#!/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 ("$part" eq "-lcrypto") { push(@libs, "libeay32.lib"); } elsif ("$part" eq "-lssl") { push(@libs, "ssleay32.lib"); } elsif ("$part" eq "-lcurl") { push(@libs, "libcurl.lib"); } elsif ("$part" eq "-lexpat") { push(@libs, "expat.lib"); } elsif ("$part" eq "-liconv") { push(@libs, "libiconv.lib"); } elsif ($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(); }