genmk.rb

   1 #! /usr/bin/ruby -w
   2 #
   3 # Copyright (C) 2002,2003,2004,2005  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         $(CC) -o $@ $^ $(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         $(CC) -I#{dir} -I$(srcdir)/#{dir} $(CPPFLAGS) #{extra_flags} $(#{flag}) $(#{prefix}_#{flag}) -c -o $@ $<
  75
  76 #{dep}: #{src}
  77         set -e; \
  78           $(CC) -I#{dir} -I$(srcdir)/#{dir} $(CPPFLAGS) #{extra_flags} $(#{flag}) $(#{prefix}_#{flag}) -M $< \
  79           | sed 's,#{Regexp.quote(fake_obj)}[ :]*,#{obj} $@ : ,g' > $@; \
  80           [ -s $@ ] || rm -f $@
  81
  82 -include #{dep}
  83
  84 "
  85     end.join('')
  86   end
  87 end
  88
  89 # Use PModule instead Module, to avoid name conflicting.
  90 class PModule
  91   def initialize(dir, name)
  92     @dir = dir
  93     @name = name
  94   end
  95   attr_reader :dir, :name
  96
  97   def rule(sources)
  98     prefix = @name.to_var
  99     objs = sources.collect do |src|
 100       raise "unknown source file `#{src}'" if /\.[cS]$/ !~ src
 101       prefix + '-' + src.to_obj
 102     end
 103     objs_str = objs.join(' ')
 104     deps = objs.collect {|obj| obj.suffix('d')}
 105     deps_str = deps.join(' ')
 106     pre_obj = 'pre-' + @name.suffix('o')
 107     mod_src = 'mod-' + @name.suffix('c')
 108     mod_obj = mod_src.suffix('o')
 109     defsym = 'def-' + @name.suffix('lst')
 110     undsym = 'und-' + @name.suffix('lst')
 111     mod_name = File.basename(@name, '.mod')
 112     symbolic_name = mod_name.sub(/\.[^\.]*$/, '')
 113
 114     "CLEANFILES += #{@name} #{mod_obj} #{mod_src} #{pre_obj} #{objs_str} #{defsym} #{undsym}
 115 MOSTLYCLEANFILES += #{deps_str}
 116 DEFSYMFILES += #{defsym}
 117 UNDSYMFILES += #{undsym}
 118
 119 #{@name}: #{pre_obj} #{mod_obj}
 120         -rm -f $@
 121         $(LD) $(#{prefix}_LDFLAGS) $(LDFLAGS) -r -d -o $@ $^
 122         $(STRIP) --strip-unneeded -K grub_mod_init -K grub_mod_fini -R .note -R .comment $@
 123
 124 #{pre_obj}: #{objs_str}
 125         -rm -f $@
 126         $(LD) $(#{prefix}_LDFLAGS) -r -d -o $@ $^
 127
 128 #{mod_obj}: #{mod_src}
 129         $(CC) $(CPPFLAGS) $(CFLAGS) $(#{prefix}_CFLAGS) -c -o $@ $<
 130
 131 #{mod_src}: moddep.lst genmodsrc.sh
 132         sh $(srcdir)/genmodsrc.sh '#{mod_name}' $< > $@ || (rm -f $@; exit 1)
 133
 134 #{defsym}: #{pre_obj}
 135         $(NM) -g --defined-only -P -p $< | sed 's/^\\([^ ]*\\).*/\\1 #{mod_name}/' > $@
 136
 137 #{undsym}: #{pre_obj}
 138         echo '#{mod_name}' > $@
 139         $(NM) -u -P -p $< | cut -f1 -d' ' >> $@
 140
 141 " + objs.collect_with_index do |obj, i|
 142       src = sources[i]
 143       fake_obj = File.basename(src).suffix('o')
 144       command = 'cmd-' + obj.suffix('lst')
 145       fs = 'fs-' + obj.suffix('lst')
 146       dep = deps[i]
 147       flag = if /\.c$/ =~ src then 'CFLAGS' else 'ASFLAGS' end
 148       dir = File.dirname(src)
 149
 150       "#{obj}: #{src}
 151         $(CC) -I#{dir} -I$(srcdir)/#{dir} $(CPPFLAGS) $(#{flag}) $(#{prefix}_#{flag}) -c -o $@ $<
 152
 153 #{dep}: #{src}
 154         set -e; \
 155           $(CC) -I#{dir} -I$(srcdir)/#{dir} $(CPPFLAGS) $(#{flag}) $(#{prefix}_#{flag}) -M $< \
 156           | sed 's,#{Regexp.quote(fake_obj)}[ :]*,#{obj} $@ : ,g' > $@; \
 157           [ -s $@ ] || rm -f $@
 158
 159 -include #{dep}
 160
 161 CLEANFILES += #{command} #{fs}
 162 COMMANDFILES += #{command}
 163 FSFILES += #{fs}
 164
 165 #{command}: #{src} gencmdlist.sh
 166         set -e; \
 167           $(CC) -I#{dir} -I$(srcdir)/#{dir} $(CPPFLAGS) $(#{flag}) $(#{prefix}_#{flag}) -E $< \
 168           | sh $(srcdir)/gencmdlist.sh #{symbolic_name} > $@ || (rm -f $@; exit 1)
 169
 170 #{fs}: #{src} genfslist.sh
 171         set -e; \
 172           $(CC) -I#{dir} -I$(srcdir)/#{dir} $(CPPFLAGS) $(#{flag}) $(#{prefix}_#{flag}) -E $< \
 173           | sh $(srcdir)/genfslist.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} #{objs_str}
 199 MOSTLYCLEANFILES += #{deps_str}
 200
 201 #{@name}: #{objs_str}
 202         $(BUILD_CC) -o $@ $^ $(BUILD_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}
 211         $(BUILD_CC) -I#{dir} -I$(srcdir)/#{dir} $(BUILD_CPPFLAGS) $(BUILD_CFLAGS) -DGRUB_UTIL=1 $(#{prefix}_CFLAGS) -c -o $@ $<
 212
 213 #{dep}: #{src}
 214         set -e; \
 215           $(BUILD_CC) -I#{dir} -I$(srcdir)/#{dir} $(BUILD_CPPFLAGS) $(BUILD_CFLAGS) -DGRUB_UTIL=1 $(#{prefix}_CFLAGS) -M $< \
 216           | sed 's,#{Regexp.quote(fake_obj)}[ :]*,#{obj} $@ : ,g' > $@; \
 217           [ -s $@ ] || rm -f $@
 218
 219 -include #{dep}
 220
 221 "
 222     end.join('')
 223   end
 224 end
 225
 226 class Program
 227   def initialize(dir, name)
 228     @dir = dir
 229     @name = name
 230   end
 231   attr_reader :dir, :name
 232
 233   def rule(sources)
 234     prefix = @name.to_var
 235     objs = sources.collect do |src|
 236       raise "unknown source file `#{src}'" if /\.[cS]$/ !~ src
 237       prefix + '-' + src.to_obj
 238     end
 239     objs_str = objs.join(' ');
 240     deps = objs.collect {|obj| obj.suffix('d')}
 241     deps_str = deps.join(' ');
 242
 243     "CLEANFILES += #{@name} #{objs_str}
 244 MOSTLYCLEANFILES += #{deps_str}
 245
 246 #{@name}: #{objs_str}
 247         $(CC) -o $@ $^ $(LDFLAGS) $(#{prefix}_LDFLAGS)
 248
 249 " + objs.collect_with_index do |obj, i|
 250       src = sources[i]
 251       fake_obj = File.basename(src).suffix('o')
 252       dep = deps[i]
 253       dir = File.dirname(src)
 254
 255       "#{obj}: #{src}
 256         $(CC) -I#{dir} -I$(srcdir)/#{dir} $(CPPFLAGS) $(CFLAGS) $(#{prefix}_CFLAGS) -c -o $@ $<
 257
 258 #{dep}: #{src}
 259         set -e; \
 260           $(CC) -I#{dir} -I$(srcdir)/#{dir} $(CPPFLAGS) $(CFLAGS) $(#{prefix}_CFLAGS) -M $< \
 261           | sed 's,#{Regexp.quote(fake_obj)}[ :]*,#{obj} $@ : ,g' > $@; \
 262           [ -s $@ ] || rm -f $@
 263
 264 -include #{dep}
 265
 266 "
 267     end.join('')
 268   end
 269 end
 270
 271 class Script
 272   def initialize(dir, name)
 273     @dir = dir
 274     @name = name
 275   end
 276   attr_reader :dir, :name
 277
 278   def rule(sources)
 279     if sources.length != 1
 280       raise "only a single source file must be specified for a script"
 281     end
 282     src = sources[0]
 283     if /\.in$/ !~ src
 284       raise "unknown source file `#{src}'"
 285     end
 286
 287     "CLEANFILES += #{@name}
 288
 289 #{@name}: #{src} config.status
 290         ./config.status --file=#{name}:#{src}
 291         chmod +x $@
 292
 293 "
 294   end
 295 end
 296
 297 images = []
 298 utils = []
 299 pmodules = []
 300 programs = []
 301 scripts = []
 302
 303 cont = false
 304 s = nil
 305 while l = gets
 306   if cont
 307     s += l
 308   else
 309     s = l
 310   end
 311
 312   print l
 313   cont = (/\\$/ =~ l)
 314   unless cont
 315     s.gsub!(/\\\n/, ' ')
 316
 317     if /^([a-zA-Z0-9_]+)\s*\+?=\s*(.*?)\s*$/ =~ s
 318       var, args = $1, $2
 319
 320       if var =~ /^([a-zA-Z0-9_]+)_([A-Z]+)$/
 321         prefix, type = $1, $2
 322
 323         case type
 324         when 'IMAGES'
 325           images += args.split(/\s+/).collect do |img|
 326             Image.new(prefix, img)
 327           end
 328
 329         when 'MODULES'
 330           pmodules += args.split(/\s+/).collect do |pmod|
 331             PModule.new(prefix, pmod)
 332           end
 333
 334         when 'UTILITIES'
 335           utils += args.split(/\s+/).collect do |util|
 336             Utility.new(prefix, util)
 337           end
 338
 339         when 'PROGRAMS'
 340           programs += args.split(/\s+/).collect do |prog|
 341             Program.new(prefix, prog)
 342           end
 343
 344         when 'SCRIPTS'
 345           scripts += args.split(/\s+/).collect do |script|
 346             Script.new(prefix, script)
 347           end
 348
 349         when 'SOURCES'
 350           if img = images.detect() {|i| i.name.to_var == prefix}
 351             print img.rule(args.split(/\s+/))
 352           elsif pmod = pmodules.detect() {|m| m.name.to_var == prefix}
 353             print pmod.rule(args.split(/\s+/))
 354           elsif util = utils.detect() {|u| u.name.to_var == prefix}
 355             print util.rule(args.split(/\s+/))
 356           elsif program = programs.detect() {|u| u.name.to_var == prefix}
 357             print program.rule(args.split(/\s+/))
 358           elsif script = scripts.detect() {|s| s.name.to_var == prefix}
 359             print script.rule(args.split(/\s+/))
 360           end
 361         end
 362       end
 363
 364     end
 365
 366   end
 367
 368 end
 369