]> git.netwichtig.de Git - user/henk/code/inspircd.git/blobdiff - make/configure.pm
Add Perl module for console related code.
[user/henk/code/inspircd.git] / make / configure.pm
index 2864240808883b5ce94b4fef470d59e182d20e55..d04a0b645d83fc87777df090025492344173e13b 100644 (file)
@@ -1,7 +1,7 @@
 #
 # InspIRCd -- Internet Relay Chat Daemon
 #
-#   Copyright (C) 2012 Peter Powell <petpow@saberuk.com>
+#   Copyright (C) 2012-2014 Peter Powell <petpow@saberuk.com>
 #   Copyright (C) 2008 Robin Burchell <robin+git@viroteck.net>
 #   Copyright (C) 2007-2008 Craig Edwards <craigedwards@brainbox.cc>
 #   Copyright (C) 2008 Thomas Stagner <aquanight@inspircd.org>
@@ -30,19 +30,18 @@ package make::configure;
 use strict;
 use warnings FATAL => qw(all);
 
-use Cwd;
+use Cwd 'getcwd';
 use Exporter 'import';
+use File::Basename 'basename';
 
+use make::console;
 use make::utilities;
 
 our @EXPORT = qw(cmd_clean cmd_help cmd_update
                  read_configure_cache write_configure_cache
                  get_compiler_info find_compiler
                  run_test test_file test_header
-                 get_property get_revision
-                 dump_hash);
-
-my $revision;
+                 dump_hash get_property parse_templates);
 
 sub __get_socketengines() {
        my @socketengines;
@@ -53,6 +52,34 @@ sub __get_socketengines() {
        return @socketengines;
 }
 
+# TODO: when buildtool is done this can be mostly removed with
+#       the remainder being merged into parse_templates.
+sub __get_template_settings($$) {
+
+       # These are actually hash references
+       my ($config, $compiler) = @_;
+
+       # Start off by populating with the config
+       my %settings = %$config;
+
+       # Compiler information
+       while (my ($key, $value) = each %{$compiler}) {
+               $settings{'COMPILER_' . $key} = $value;
+       }
+
+       # Version information
+       my %version = get_version();
+       while (my ($key, $value) = each %version) {
+               $settings{'VERSION_' . $key} = $value;
+       }
+
+       # Miscellaneous information
+       $settings{SYSTEM_NAME} = lc $^O;
+       chomp($settings{SYSTEM_NAME_VERSION} = `uname -sr 2>/dev/null`);
+
+       return %settings;
+}
+
 sub cmd_clean {
        unlink '.config.cache';
 }
@@ -124,15 +151,11 @@ EOH
 }
 
 sub cmd_update {
-       unless (-f '.config.cache') {
-               print "You have not run $0 before. Please do this before trying to update the build files.\n";
-               exit 1;
-       }
+       print_error "You have not run $0 before. Please do this before trying to update the generated files." unless -f '.config.cache';
        print "Updating...\n";
-       %main::config = read_configure_cache();
-       %main::cxx = get_compiler_info($main::config{CXX});
-       $main::topdir = getcwd();
-       main::writefiles();
+       my %config = read_configure_cache();
+       my %compiler = get_compiler_info($config{CXX});
+       parse_templates(\%config, \%compiler);
        print "Update complete!\n";
        exit 0;
 }
@@ -242,15 +265,7 @@ sub get_property($$;$)
        return defined $default ? $default : '';
 }
 
-sub get_revision {
-       return $revision if defined $revision;
-       chomp(my $tags = `git describe --tags 2>/dev/null`);
-       $revision = $tags || 'release';
-       return $revision;
-}
-
-sub dump_hash()
-{
+sub dump_hash() {
        print "\n\e[1;32mPre-build configuration is complete!\e[0m\n\n";
        print "\e[0mBase install path:\e[1;32m\t\t$main::config{BASE_DIR}\e[0m\n";
        print "\e[0mConfig path:\e[1;32m\t\t\t$main::config{CONFIG_DIR}\e[0m\n";
@@ -263,4 +278,163 @@ sub dump_hash()
        print "\e[0mOpenSSL support:\e[1;32m\t\t$main::config{USE_OPENSSL}\e[0m\n";
 }
 
+sub parse_templates($$) {
+
+       # These are actually hash references
+       my ($config, $compiler) = @_;
+
+       # Collect settings to be used when generating files
+       my %settings = __get_template_settings($config, $compiler);
+
+       # Iterate through files in make/template.
+       foreach (<make/template/*>) {
+               print_format "Parsing <|GREEN $_|> ...\n";
+               open(TEMPLATE, $_) or print_error "unable to read $_: $!";
+               my (@lines, $mode, @platforms, %targets);
+
+               # First pass: parse template variables and directives.
+               while (my $line = <TEMPLATE>) {
+                       chomp $line;
+
+                       # Does this line match a variable?
+                       while ($line =~ /(@(\w+?)@)/) {
+                               my ($variable, $name) = ($1, $2);
+                               if (defined $settings{$name}) {
+                                       $line =~ s/$variable/$settings{$name}/;
+                               } else {
+                                       print_warning "unknown template variable '$name' in $_!";
+                                       last;
+                               }
+                       }
+
+                       # Does this line match a directive?
+                       if ($line =~ /^\s*%(\w+)\s+(.+)$/) {
+                               if ($1 eq 'define') {
+                                       if ($settings{$2}) {
+                                               push @lines, "#define $2";
+                                       } else {
+                                               push @lines, "#undef $2";
+                                       }
+                               } elsif ($1 eq 'mode') {
+                                       $mode = oct $2;
+                               } elsif ($1 eq 'platform') {
+                                       push @platforms, $2;
+                               } elsif ($1 eq 'target') {
+                                       if ($2 =~ /(\w+)\s(.+)/) {
+                                               $targets{$1} = $2;
+                                       } else {
+                                               $targets{DEFAULT} = $2;
+                                       }
+                               } else {
+                                       print_warning "unknown template command '$1' in $_!";
+                                       push @lines, $line;
+                               }
+                               next;
+                       }
+                       push @lines, $line;
+               }
+               close(TEMPLATE);
+
+               # Only proceed if this file should be templated on this platform.
+               if ($#platforms < 0 || grep { $_ eq $^O } @platforms) {
+
+                       # Add a default target if the template has not defined one.
+                       unless (scalar keys %targets) {
+                               $targets{DEFAULT} = basename $_;
+                       }
+
+                       # Second pass: parse makefile junk and write files.
+                       while (my ($name, $target) = each %targets) {
+
+                               # TODO: when buildtool is done this mess can be removed completely.
+                               my @final_lines;
+                               foreach my $line (@lines) {
+
+                                       # Are we parsing a makefile and does this line match a statement?
+                                       if ($name =~ /(?:BSD|GNU)_MAKE/ && $line =~ /^\s*\@(\w+)(?:\s+(.+))?$/) {
+                                               my @tokens = split /\s/, $2 if defined $2;
+                                               if ($1 eq 'DO_EXPORT' && defined $2) {
+                                                       if ($name eq 'BSD_MAKE') {
+                                                               foreach my $variable (@tokens) {
+                                                                       push @final_lines, "MAKEENV += $variable='\${$variable}'";
+                                                               }
+                                                       } elsif ($name eq 'GNU_MAKE') {
+                                                               push @final_lines, "export $2";
+                                                       }
+                                               } elsif ($1 eq 'ELSE') {
+                                                       if ($name eq 'BSD_MAKE') {
+                                                               push @final_lines, ".else";
+                                                       } elsif ($name eq 'GNU_MAKE') {
+                                                               push @final_lines, "else";
+                                                       }
+                                               } elsif ($1 eq 'ENDIF') {
+                                                       if ($name eq 'BSD_MAKE') {
+                                                               push @final_lines, ".endif";
+                                                       } elsif ($name eq 'GNU_MAKE') {
+                                                               push @final_lines, "endif";
+                                                       }
+                                               } elsif ($1 eq 'ELSIFEQ' && defined $2) {
+                                                       if ($name eq 'BSD_MAKE') {
+                                                               push @final_lines, ".elif $tokens[0] == $tokens[1]";
+                                                       } elsif ($name eq 'GNU_MAKE') {
+                                                               push @final_lines, "else ifeq ($tokens[0], $tokens[1])";
+                                                       }
+                                               } elsif ($1 eq 'IFDEF' && defined $2) {
+                                                       if ($name eq 'BSD_MAKE') {
+                                                               push @final_lines, ".if defined($2)";
+                                                       } elsif ($name eq 'GNU_MAKE') {
+                                                               push @final_lines, "ifdef $2";
+                                                       }
+                                               } elsif ($1 eq 'IFEQ' && defined $2) {
+                                                       if ($name eq 'BSD_MAKE') {
+                                                               push @final_lines, ".if $tokens[0] == $tokens[1]";
+                                                       } elsif ($name eq 'GNU_MAKE') {
+                                                               push @final_lines, "ifeq ($tokens[0],$tokens[1])";
+                                                       }
+                                               } elsif ($1 eq 'IFNEQ' && defined $2) {
+                                                       if ($name eq 'BSD_MAKE') {
+                                                               push @final_lines, ".if $tokens[0] != $tokens[1]";
+                                                       } elsif ($name eq 'GNU_MAKE') {
+                                                               push @final_lines, "ifneq ($tokens[0],$tokens[1])";
+                                                       }
+                                               } elsif ($1 eq 'IFNDEF' && defined $2) {
+                                                       if ($name eq 'BSD_MAKE') {
+                                                               push @final_lines, ".if !defined($2)";
+                                                       } elsif ($name eq 'GNU_MAKE') {
+                                                               push @final_lines, "ifndef $2";
+                                                       }
+                                               } elsif ($1 eq 'TARGET' && defined $2) {
+                                                       if ($tokens[0] eq $name) {
+                                                               push @final_lines, substr($2, length($tokens[0]) + 1);
+                                                       }
+                                               } elsif ($1 !~ /[A-Z]/) {
+                                                       # HACK: silently ignore if lower case as these are probably make commands.
+                                                       push @final_lines, $line;
+                                               } else {
+                                                       print_warning "unknown template command '$1' in $_!";
+                                                       push @final_lines, $line;
+                                               }
+                                               next;
+                                       }
+
+                                       push @final_lines, $line;
+                               }
+
+                               # Write the template file.
+                               print_format "Writing <|GREEN $target|> ...\n";
+                               open(TARGET, '>', $target) or print_error "unable to write $_: $!";
+                               foreach (@final_lines) {
+                                       print TARGET $_, "\n";
+                               }
+                               close(TARGET);
+
+                               # Set file permissions.
+                               if (defined $mode) {
+                                       chmod $mode, $target;
+                               }
+                       }
+               }
+       }
+}
+
 1;