genmk.rb

   1 #! /usr/bin/ruby -w
   2 #
   3 # Copyright (C) 2002,2003,2004,2005,2006  Free Software Foundation, Inc.
   4 #
   5 # This genmk.rb is free software; the author
   6 # gives unlimited permission to copy and/or distribute it,
   7 # with or without modifications, as long as this notice is preserved.
   8 #
   9 # This program is distributed in the hope that it will be useful,
  10 # but WITHOUT ANY WARRANTY, to the extent permitted by law; without
  11 # even the implied warranty of MERCHANTABILITY or FITNESS FOR A
  12 # PARTICULAR PURPOSE.
  13
  14 module Enumerable
  15   def collect_with_index
  16     ret = []
  17     self.each_with_index do |item, index|
  18       ret.push(yield(item, index))
  19     end
  20     ret
  21   end
  22 end
  23
  24 class String
  25   def to_var
  26     self.gsub(/[^a-zA-Z0-9_@]/, '_')
  27   end
  28
  29   def suffix(str)
  30     self.sub(/\.[^\.]*$/, '') + '.' + str
  31   end
  32
  33   def to_obj
  34     self.sub(/\.[^\.]*$/, '').to_var + '.o'
  35   end
  36 end
  37
  38 class Image
  39   def initialize(dir, name)
  40     @dir = dir
  41     @name = name
  42   end
  43   attr_reader :dir, :name
  44
  45   def rule(sources)
  46     prefix = @name.to_var
  47     exe = @name.suffix('exec')
  48     objs = sources.collect do |src|
  49       raise "unknown source file `#{src}'" if /\.[cS]$/ !~ src
  50       prefix + '-' + src.to_obj
  51     end
  52     objs_str = objs.join(' ')
  53     deps = objs.collect {|obj| obj.suffix('d')}
  54     deps_str = deps.join(' ')
  55
  56     "CLEANFILES += #{@name} #{exe} #{objs_str}
  57 MOSTLYCLEANFILES += #{deps_str}
  58
  59 #{@name}: #{exe}
  60         $(OBJCOPY) -O binary -R .note -R .comment $< $@
  61
  62 #{exe}: #{objs_str}
  63         $(TARGET_CC) -o $@ $^ $(TARGET_LDFLAGS) $(#{prefix}_LDFLAGS)
  64
  65 " + objs.collect_with_index do |obj, i|
  66       src = sources[i]
  67       fake_obj = File.basename(src).suffix('o')
  68       dep = deps[i]
  69       flag = if /\.c$/ =~ src then 'CFLAGS' else 'ASFLAGS' end
  70       extra_flags = if /\.S$/ =~ src then '-DASM_FILE=1' else '' end
  71       dir = File.dirname(src)
  72
  73       "#{obj}: #{src}
  74         $(TARGET_CC) -I#{dir} -I$(srcdir)/#{dir} $(TARGET_CPPFLAGS) #{extra_flags} $(TARGET_#{flag}) $(#{prefix}_#{flag}) -MD -c -o $@ $<
  75 -include #{dep}
  76
  77 "
  78     end.join('')
  79   end
  80 end
  81
  82 # Use PModule instead Module, to avoid name conflicting.
  83 class PModule
  84   def initialize(dir, name)
  85     @dir = dir
  86     @name = name
  87   end
  88   attr_reader :dir, :name
  89
  90   def rule(sources)
  91     prefix = @name.to_var
  92     objs = sources.collect do |src|
  93       raise "unknown source file `#{src}'" if /\.[cS]$/ !~ src
  94       prefix + '-' + src.to_obj
  95     end
  96     objs_str = objs.join(' ')
  97     deps = objs.collect {|obj| obj.suffix('d')}
  98     deps_str = deps.join(' ')
  99     pre_obj = 'pre-' + @name.suffix('o')
 100     mod_src = 'mod-' + @name.suffix('c')
 101     mod_obj = mod_src.suffix('o')
 102     defsym = 'def-' + @name.suffix('lst')
 103     undsym = 'und-' + @name.suffix('lst')
 104     mod_name = File.basename(@name, '.mod')
 105     symbolic_name = mod_name.sub(/\.[^\.]*$/, '')
 106
 107     "CLEANFILES += #{@name} #{mod_obj} #{mod_src} #{pre_obj} #{objs_str} #{undsym}
 108 ifneq ($(#{prefix}_EXPORTS),no)
 109 CLEANFILES += #{defsym}
 110 DEFSYMFILES += #{defsym}
 111 endif
 112 MOSTLYCLEANFILES += #{deps_str}
 113 UNDSYMFILES += #{undsym}
 114
 115 #{@name}: #{pre_obj} #{mod_obj}
 116         -rm -f $@
 117         $(TARGET_CC) $(#{prefix}_LDFLAGS) $(TARGET_LDFLAGS) -Wl,-r,-d -o $@ $^
 118         $(STRIP) --strip-unneeded -K grub_mod_init -K grub_mod_fini -R .note -R .comment $@
 119
 120 #{pre_obj}: $(#{prefix}_DEPENDENCIES) #{objs_str}
 121         -rm -f $@
 122         $(TARGET_CC) $(#{prefix}_LDFLAGS) $(TARGET_LDFLAGS) -Wl,-r,-d -o $@ #{objs_str}
 123
 124 #{mod_obj}: #{mod_src}
 125         $(TARGET_CC) $(TARGET_CPPFLAGS) $(TARGET_CFLAGS) $(#{prefix}_CFLAGS) -c -o $@ $<
 126
 127 #{mod_src}: moddep.lst genmodsrc.sh
 128         sh $(srcdir)/genmodsrc.sh '#{mod_name}' $< > $@ || (rm -f $@; exit 1)
 129
 130 ifneq ($(#{prefix}_EXPORTS),no)
 131 #{defsym}: #{pre_obj}
 132         $(NM) -g --defined-only -P -p $< | sed 's/^\\([^ ]*\\).*/\\1 #{mod_name}/' > $@
 133 endif
 134
 135 #{undsym}: #{pre_obj}
 136         echo '#{mod_name}' > $@
 137         $(NM) -u -P -p $< | cut -f1 -d' ' >> $@
 138
 139 " + objs.collect_with_index do |obj, i|
 140       src = sources[i]
 141       fake_obj = File.basename(src).suffix('o')
 142       command = 'cmd-' + obj.suffix('lst')
 143       fs = 'fs-' + obj.suffix('lst')
 144       dep = deps[i]
 145       flag = if /\.c$/ =~ src then 'CFLAGS' else 'ASFLAGS' end
 146       dir = File.dirname(src)
 147
 148       "#{obj}: #{src}
 149         $(TARGET_CC) -I#{dir} -I$(srcdir)/#{dir} $(TARGET_CPPFLAGS) $(TARGET_#{flag}) $(#{prefix}_#{flag}) -MD -c -o $@ $<
 150 -include #{dep}
 151
 152 CLEANFILES += #{command} #{fs}
 153 COMMANDFILES += #{command}
 154 FSFILES += #{fs}
 155
 156 #{command}: #{src} gencmdlist.sh
 157         set -e; \
 158           $(TARGET_CC) -I#{dir} -I$(srcdir)/#{dir} $(TARGET_CPPFLAGS) $(TARGET_#{flag}) $(#{prefix}_#{flag}) -E $< \
 159           | sh $(srcdir)/gencmdlist.sh #{symbolic_name} > $@ || (rm -f $@; exit 1)
 160
 161 #{fs}: #{src} genfslist.sh
 162         set -e; \
 163           $(TARGET_CC) -I#{dir} -I$(srcdir)/#{dir} $(TARGET_CPPFLAGS) $(TARGET_#{flag}) $(#{prefix}_#{flag}) -E $< \
 164           | sh $(srcdir)/genfslist.sh #{symbolic_name} > $@ || (rm -f $@; exit 1)
 165
 166
 167 "
 168     end.join('')
 169   end
 170 end
 171
 172 class Utility
 173   def initialize(dir, name)
 174     @dir = dir
 175     @name = name
 176   end
 177   attr_reader :dir, :name
 178
 179   def rule(sources)
 180     prefix = @name.to_var
 181     objs = sources.collect do |src|
 182       raise "unknown source file `#{src}'" if /\.[cS]$/ !~ src
 183       prefix + '-' + src.to_obj
 184     end
 185     objs_str = objs.join(' ');
 186     deps = objs.collect {|obj| obj.suffix('d')}
 187     deps_str = deps.join(' ');
 188
 189     "CLEANFILES += #{@name} #{objs_str}
 190 MOSTLYCLEANFILES += #{deps_str}
 191
 192 #{@name}: $(#{prefix}_DEPENDENCIES) #{objs_str}
 193         $(CC) -o $@ #{objs_str} $(LDFLAGS) $(#{prefix}_LDFLAGS)
 194
 195 " + objs.collect_with_index do |obj, i|
 196       src = sources[i]
 197       fake_obj = File.basename(src).suffix('o')
 198       dep = deps[i]
 199       dir = File.dirname(src)
 200
 201       "#{obj}: #{src} $(#{src}_DEPENDENCIES)
 202         $(CC) -I#{dir} -I$(srcdir)/#{dir} $(CPPFLAGS) $(CFLAGS) -DGRUB_UTIL=1 $(#{prefix}_CFLAGS) -MD -c -o $@ $<
 203 -include #{dep}
 204
 205 "
 206     end.join('')
 207   end
 208 end
 209
 210 class Program
 211   def initialize(dir, name)
 212     @dir = dir
 213     @name = name
 214   end
 215   attr_reader :dir, :name
 216
 217   def rule(sources)
 218     prefix = @name.to_var
 219     objs = sources.collect do |src|
 220       raise "unknown source file `#{src}'" if /\.[cS]$/ !~ src
 221       prefix + '-' + src.to_obj
 222     end
 223     objs_str = objs.join(' ');
 224     deps = objs.collect {|obj| obj.suffix('d')}
 225     deps_str = deps.join(' ');
 226
 227     "CLEANFILES += #{@name} #{objs_str}
 228 MOSTLYCLEANFILES += #{deps_str}
 229
 230 #{@name}: $(#{prefix}_DEPENDENCIES) #{objs_str}
 231         $(TARGET_CC) -o $@ #{objs_str} $(TARGET_LDFLAGS) $(#{prefix}_LDFLAGS)
 232
 233 " + objs.collect_with_index do |obj, i|
 234       src = sources[i]
 235       fake_obj = File.basename(src).suffix('o')
 236       dep = deps[i]
 237       dir = File.dirname(src)
 238
 239       "#{obj}: #{src}
 240         $(TARGET_CC) -I#{dir} -I$(srcdir)/#{dir} $(TARGET_CPPFLAGS) $(TARGET_CFLAGS) $(#{prefix}_CFLAGS) -MD -c -o $@ $<
 241 -include #{dep}
 242
 243 "
 244     end.join('')
 245   end
 246 end
 247
 248 class Script
 249   def initialize(dir, name)
 250     @dir = dir
 251     @name = name
 252   end
 253   attr_reader :dir, :name
 254
 255   def rule(sources)
 256     if sources.length != 1
 257       raise "only a single source file must be specified for a script"
 258     end
 259     src = sources[0]
 260     if /\.in$/ !~ src
 261       raise "unknown source file `#{src}'"
 262     end
 263
 264     "CLEANFILES += #{@name}
 265
 266 #{@name}: #{src} config.status
 267         ./config.status --file=#{name}:#{src}
 268         chmod +x $@
 269
 270 "
 271   end
 272 end
 273
 274 images = []
 275 utils = []
 276 pmodules = []
 277 programs = []
 278 scripts = []
 279
 280 cont = false
 281 s = nil
 282 while l = gets
 283   if cont
 284     s += l
 285   else
 286     s = l
 287   end
 288
 289   print l
 290   cont = (/\\$/ =~ l)
 291   unless cont
 292     s.gsub!(/\\\n/, ' ')
 293
 294     if /^([a-zA-Z0-9_]+)\s*\+?=\s*(.*?)\s*$/ =~ s
 295       var, args = $1, $2
 296
 297       if var =~ /^([a-zA-Z0-9_]+)_([A-Z]+)$/
 298         prefix, type = $1, $2
 299
 300         case type
 301         when 'IMAGES'
 302           images += args.split(/\s+/).collect do |img|
 303             Image.new(prefix, img)
 304           end
 305
 306         when 'MODULES'
 307           pmodules += args.split(/\s+/).collect do |pmod|
 308             PModule.new(prefix, pmod)
 309           end
 310
 311         when 'UTILITIES'
 312           utils += args.split(/\s+/).collect do |util|
 313             Utility.new(prefix, util)
 314           end
 315
 316         when 'PROGRAMS'
 317           programs += args.split(/\s+/).collect do |prog|
 318             Program.new(prefix, prog)
 319           end
 320
 321         when 'SCRIPTS'
 322           scripts += args.split(/\s+/).collect do |script|
 323             Script.new(prefix, script)
 324           end
 325
 326         when 'SOURCES'
 327           if img = images.detect() {|i| i.name.to_var == prefix}
 328             print img.rule(args.split(/\s+/))
 329           elsif pmod = pmodules.detect() {|m| m.name.to_var == prefix}
 330             print pmod.rule(args.split(/\s+/))
 331           elsif util = utils.detect() {|u| u.name.to_var == prefix}
 332             print util.rule(args.split(/\s+/))
 333           elsif program = programs.detect() {|u| u.name.to_var == prefix}
 334             print program.rule(args.split(/\s+/))
 335           elsif script = scripts.detect() {|s| s.name.to_var == prefix}
 336             print script.rule(args.split(/\s+/))
 337           end
 338         end
 339       end
 340
 341     end
 342
 343   end
 344
 345 end
 346