genmk.rb

   1 #! /usr/bin/ruby -w
   2 #
   3 # Copyright (C) 2002,2003,2004,2005,2006,2007,2008  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 -R .note.gnu.build-id $< $@
  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} $(#{src}_DEPENDENCIES)
  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} $(TARGET_OBJ2ELF)
 116         -rm -f $@
 117         $(TARGET_CC) $(#{prefix}_LDFLAGS) $(TARGET_LDFLAGS) $(MODULE_LDFLAGS) -Wl,-r,-d -o $@ #{pre_obj} #{mod_obj}
 118         if test ! -z $(TARGET_OBJ2ELF); then ./$(TARGET_OBJ2ELF) $@ || (rm -f $@; exit 1); fi
 119         $(STRIP) --strip-unneeded -K grub_mod_init -K grub_mod_fini -K _grub_mod_init -K _grub_mod_fini -R .note -R .comment $@
 120
 121 #{pre_obj}: $(#{prefix}_DEPENDENCIES) #{objs_str}
 122         -rm -f $@
 123         $(TARGET_CC) $(#{prefix}_LDFLAGS) $(TARGET_LDFLAGS) -Wl,-r,-d -o $@ #{objs_str}
 124
 125 #{mod_obj}: #{mod_src}
 126         $(TARGET_CC) $(TARGET_CPPFLAGS) $(TARGET_CFLAGS) $(#{prefix}_CFLAGS) -c -o $@ $<
 127
 128 #{mod_src}: moddep.lst genmodsrc.sh
 129         sh $(srcdir)/genmodsrc.sh '#{mod_name}' $< > $@ || (rm -f $@; exit 1)
 130
 131 ifneq ($(#{prefix}_EXPORTS),no)
 132 #{defsym}: #{pre_obj}
 133         $(NM) -g --defined-only -P -p $< | sed 's/^\\([^ ]*\\).*/\\1 #{mod_name}/' > $@
 134 endif
 135
 136 #{undsym}: #{pre_obj}
 137         echo '#{mod_name}' > $@
 138         $(NM) -u -P -p $< | cut -f1 -d' ' >> $@
 139
 140 " + objs.collect_with_index do |obj, i|
 141       src = sources[i]
 142       fake_obj = File.basename(src).suffix('o')
 143       command = 'cmd-' + obj.suffix('lst')
 144       fs = 'fs-' + obj.suffix('lst')
 145       partmap = 'partmap-' + obj.suffix('lst')
 146       dep = deps[i]
 147       flag = if /\.c$/ =~ src then 'CFLAGS' else 'ASFLAGS' end
 148       extra_flags = if /\.S$/ =~ src then '-DASM_FILE=1' else '' end
 149       dir = File.dirname(src)
 150
 151       "#{obj}: #{src} $(#{src}_DEPENDENCIES)
 152         $(TARGET_CC) -I#{dir} -I$(srcdir)/#{dir} $(TARGET_CPPFLAGS) #{extra_flags} $(TARGET_#{flag}) $(#{prefix}_#{flag}) -MD -c -o $@ $<
 153 -include #{dep}
 154
 155 CLEANFILES += #{command} #{fs} #{partmap}
 156 COMMANDFILES += #{command}
 157 FSFILES += #{fs}
 158 PARTMAPFILES += #{partmap}
 159
 160 #{command}: #{src} $(#{src}_DEPENDENCIES) gencmdlist.sh
 161         set -e; \
 162           $(TARGET_CC) -I#{dir} -I$(srcdir)/#{dir} $(TARGET_CPPFLAGS) $(TARGET_#{flag}) $(#{prefix}_#{flag}) -E $< \
 163           | sh $(srcdir)/gencmdlist.sh #{symbolic_name} > $@ || (rm -f $@; exit 1)
 164
 165 #{fs}: #{src} $(#{src}_DEPENDENCIES) genfslist.sh
 166         set -e; \
 167           $(TARGET_CC) -I#{dir} -I$(srcdir)/#{dir} $(TARGET_CPPFLAGS) $(TARGET_#{flag}) $(#{prefix}_#{flag}) -E $< \
 168           | sh $(srcdir)/genfslist.sh #{symbolic_name} > $@ || (rm -f $@; exit 1)
 169
 170 #{partmap}: #{src} $(#{src}_DEPENDENCIES) genpartmaplist.sh
 171         set -e; \
 172           $(TARGET_CC) -I#{dir} -I$(srcdir)/#{dir} $(TARGET_CPPFLAGS) $(TARGET_#{flag}) $(#{prefix}_#{flag}) -E $< \
 173           | sh $(srcdir)/genpartmaplist.sh #{symbolic_name} > $@ || (rm -f $@; exit 1)
 174
 175
 176 "
 177     end.join('')
 178   end
 179 end
 180
 181 class Utility
 182   def initialize(dir, name)
 183     @dir = dir
 184     @name = name
 185   end
 186   attr_reader :dir, :name
 187
 188   def rule(sources)
 189     prefix = @name.to_var
 190     objs = sources.collect do |src|
 191       raise "unknown source file `#{src}'" if /\.[cS]$/ !~ src
 192       prefix + '-' + src.to_obj
 193     end
 194     objs_str = objs.join(' ');
 195     deps = objs.collect {|obj| obj.suffix('d')}
 196     deps_str = deps.join(' ');
 197
 198     "CLEANFILES += #{@name}$(EXEEXT) #{objs_str}
 199 MOSTLYCLEANFILES += #{deps_str}
 200
 201 #{@name}: $(#{prefix}_DEPENDENCIES) #{objs_str}
 202         $(CC) -o $@ #{objs_str} $(LDFLAGS) $(#{prefix}_LDFLAGS)
 203
 204 " + objs.collect_with_index do |obj, i|
 205       src = sources[i]
 206       fake_obj = File.basename(src).suffix('o')
 207       dep = deps[i]
 208       dir = File.dirname(src)
 209
 210       "#{obj}: #{src} $(#{src}_DEPENDENCIES)
 211         $(CC) -I#{dir} -I$(srcdir)/#{dir} $(CPPFLAGS) $(CFLAGS) -DGRUB_UTIL=1 $(#{prefix}_CFLAGS) -MD -c -o $@ $<
 212 -include #{dep}
 213
 214 "
 215     end.join('')
 216   end
 217 end
 218
 219 class Program
 220   def initialize(dir, name)
 221     @dir = dir
 222     @name = name
 223   end
 224   attr_reader :dir, :name
 225
 226   def rule(sources)
 227     prefix = @name.to_var
 228     objs = sources.collect do |src|
 229       raise "unknown source file `#{src}'" if /\.[cS]$/ !~ src
 230       prefix + '-' + src.to_obj
 231     end
 232     objs_str = objs.join(' ');
 233     deps = objs.collect {|obj| obj.suffix('d')}
 234     deps_str = deps.join(' ');
 235
 236     "CLEANFILES += #{@name} #{objs_str}
 237 MOSTLYCLEANFILES += #{deps_str}
 238
 239 #{@name}: $(#{prefix}_DEPENDENCIES) #{objs_str}
 240         $(TARGET_CC) -o $@ #{objs_str} $(TARGET_LDFLAGS) $(#{prefix}_LDFLAGS)
 241
 242 " + objs.collect_with_index do |obj, i|
 243       src = sources[i]
 244       fake_obj = File.basename(src).suffix('o')
 245       dep = deps[i]
 246       dir = File.dirname(src)
 247
 248       "#{obj}: #{src} $(#{src}_DEPENDENCIES)
 249         $(TARGET_CC) -I#{dir} -I$(srcdir)/#{dir} $(TARGET_CPPFLAGS) $(TARGET_CFLAGS) $(#{prefix}_CFLAGS) -MD -c -o $@ $<
 250 -include #{dep}
 251
 252 "
 253     end.join('')
 254   end
 255 end
 256
 257 class Script
 258   def initialize(dir, name)
 259     @dir = dir
 260     @name = name
 261   end
 262   attr_reader :dir, :name
 263
 264   def rule(sources)
 265     if sources.length != 1
 266       raise "only a single source file must be specified for a script"
 267     end
 268     src = sources[0]
 269     if /\.in$/ !~ src
 270       raise "unknown source file `#{src}'"
 271     end
 272
 273     "CLEANFILES += #{@name}
 274
 275 #{@name}: #{src} $(#{src}_DEPENDENCIES) config.status
 276         ./config.status --file=#{name}:#{src}
 277         chmod +x $@
 278
 279 "
 280   end
 281 end
 282
 283 images = []
 284 utils = []
 285 pmodules = []
 286 programs = []
 287 scripts = []
 288
 289 cont = false
 290 s = nil
 291 while l = gets
 292   if cont
 293     s += l
 294   else
 295     s = l
 296   end
 297
 298   print l
 299   cont = (/\\$/ =~ l)
 300   unless cont
 301     s.gsub!(/\\\n/, ' ')
 302
 303     if /^([a-zA-Z0-9_]+)\s*\+?=\s*(.*?)\s*$/ =~ s
 304       var, args = $1, $2
 305
 306       if var =~ /^([a-zA-Z0-9_]+)_([A-Z]+)$/
 307         prefix, type = $1, $2
 308
 309         case type
 310         when 'IMAGES'
 311           images += args.split(/\s+/).collect do |img|
 312             Image.new(prefix, img)
 313           end
 314
 315         when 'MODULES'
 316           pmodules += args.split(/\s+/).collect do |pmod|
 317             PModule.new(prefix, pmod)
 318           end
 319
 320         when 'UTILITIES'
 321           utils += args.split(/\s+/).collect do |util|
 322             Utility.new(prefix, util)
 323           end
 324
 325         when 'PROGRAMS'
 326           programs += args.split(/\s+/).collect do |prog|
 327             Program.new(prefix, prog)
 328           end
 329
 330         when 'SCRIPTS'
 331           scripts += args.split(/\s+/).collect do |script|
 332             Script.new(prefix, script)
 333           end
 334
 335         when 'SOURCES'
 336           if img = images.detect() {|i| i.name.to_var == prefix}
 337             print img.rule(args.split(/\s+/))
 338           elsif pmod = pmodules.detect() {|m| m.name.to_var == prefix}
 339             print pmod.rule(args.split(/\s+/))
 340           elsif util = utils.detect() {|u| u.name.to_var == prefix}
 341             print util.rule(args.split(/\s+/))
 342           elsif program = programs.detect() {|u| u.name.to_var == prefix}
 343             print program.rule(args.split(/\s+/))
 344           elsif script = scripts.detect() {|s| s.name.to_var == prefix}
 345             print script.rule(args.split(/\s+/))
 346           end
 347         end
 348       end
 349
 350     end
 351
 352   end
 353
 354 end
 355