summaryrefslogtreecommitdiff
path: root/ext/extmk.rb
blob: 16bb339f44f7cdaee464f1e896757be2a6f60759 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
#! /usr/local/bin/ruby
# -*- ruby -*-

$force_static = nil
$install = nil
$destdir = nil
$clean = nil
$nodynamic = nil
$extinit = nil
$extobjs = nil
$ignore = nil
$message = nil

$progname = $0
alias $PROGRAM_NAME $0
alias $0 $progname

$extlist = []
$extupdate = false

$:.replace ["."]
require 'rbconfig'

srcdir = File.dirname(File.dirname(__FILE__))

$:.replace [srcdir, srcdir+"/lib", "."]

$topdir = "."
$top_srcdir = srcdir

require 'mkmf'
require 'optparse/shellwords'

def sysquote(x)
  @quote ||= /human|os2|macos/ =~ (CROSS_COMPILING || RUBY_PLATFORM)
  @quote ? x.quote : x
end

def relative_from(path, base)
  if File.expand_path(path) == File.expand_path(path, base)
    path
  else
    File.join(base, path)
  end
end

def extmake(target)
  print "#{$message} #{target}\n"
  $stdout.flush
  if $force_static or $static_ext[target]
    $static = target
  else
    $static = false
  end

  unless $ignore
    return true if $nodynamic and not $static
  end

  init_mkmf

  FileUtils.mkpath target unless File.directory?(target)
  begin
    dir = Dir.pwd
    FileUtils.mkpath target unless File.directory?(target)
    Dir.chdir target
    top_srcdir = $top_srcdir
    topdir = $topdir
    prefix = "../" * (target.count("/")+1)
    $hdrdir = $top_srcdir = relative_from(top_srcdir, prefix)
    $topdir = prefix + $topdir
    $target = target
    $mdir = target
    $srcdir = File.join($top_srcdir, "ext", $mdir)
    $preload = nil
    makefile = "./Makefile"
    unless $ignore
      if !(t = modified?(makefile, MTIMES)) ||
	 %W<#{$srcdir}/makefile.rb #{$srcdir}/extconf.rb
	    #{$srcdir}/depend>.any? {|f| modified?(f, [t])}
      then
	$defs = []
	Logging::logfile 'mkmf.log'
	Config::CONFIG["srcdir"] = $srcdir
	rm_f makefile
	begin
	  if File.exist?($0 = "#{$srcdir}/makefile.rb")
	    load $0
	  elsif File.exist?($0 = "#{$srcdir}/extconf.rb")
	    load $0
	  else
	    create_makefile(target)
	  end
	  $extupdate = true
	  File.exist?(makefile)
	rescue SystemExit
	  # ignore
	ensure
	  rm_f "conftest*"
	  $0 = $PROGRAM_NAME
	  Config::CONFIG["srcdir"] = $top_srcdir
	end
      else
	if $static
	  m = File.read(makefile)
	  if !($target = m[/^TARGET[ \t]*=[ \t]*(\S*)/, 1])
	    $static = nil
	  elsif target_prefix = m[/^target_prefix[ \t]*=[ \t]*\/(.*)/, 1]
	    $target = "#{target_prefix}/#{$target}"
	  end
	  /^STATIC_LIB[ \t]*=[ \t]*\S+/ =~ m or $static = nil
	  $preload = Shellwords.shellwords(m[/^preload[ \t]*=[ \t]*(.*)/, 1] || "")
	  $DLDFLAGS += " " + (m[/^DLDFLAGS[ \t]*=[ \t]*(.*)/, 1] || "")
	  if s = m[/^LIBS[ \t]*=[ \t]*(.*)/, 1]
            s.sub!(/^#{Regexp.quote($LIBRUBYARG)} */, "")
            s.sub!(/ *#{Regexp.quote($LIBS)}$/, "")
            $libs = s
          end
	  $LOCAL_LIBS = m[/^LOCAL_LIBS[ \t]*=[ \t]*(.*)/, 1] || ""
	  $LIBPATH = Shellwords.shellwords(m[/^libpath[ \t]*=[ \t]*(.*)/, 1] || "") -
		     %w[$(libdir) $(topdir)]
	end
	true
      end
    else
      File.exist?(makefile)
    end or open(makefile, "w") do |f|
      f.print dummy_makefile($srcdir)
      return true
    end
    args = sysquote($mflags)
    if $static
      args += ["static"] unless $clean
      $extlist.push [$static, $target, File.basename($target), $preload]
    end
    unless system($make, *args)
      $ignore or $continue or return false
    end
    if $clean and $clean != true
      File.unlink(makefile) rescue nil
    end
    if $static
      $extflags ||= ""
      $extlibs ||= []
      $extpath ||= []
      unless $mswin
        $extflags = ($extflags.split | $DLDFLAGS.split | $LDFLAGS.split).join(" ")
      end
      $extlibs = merge_libs($extlibs, $libs.split, $LOCAL_LIBS.split)
      $extpath |= $LIBPATH
    end
  ensure
    $hdrdir = $top_srcdir = top_srcdir
    $topdir = topdir
    Dir.chdir dir
  end
  begin
    Dir.rmdir target
    target = File.dirname(target)
  rescue SystemCallError
    break
  end while true
  true
end

def parse_args()
  $mflags = []

  opts = nil
  ARGV.options do |opts|
    opts.on('-n') {$dryrun = true}
    opts.on('--[no-]extension [EXTS]', Array) do |v|
      $extension = (v == false ? [] : v)
    end
    opts.on('--[no-]extstatic [STATIC]', Array) do |v|
      if ($extstatic = v) == false
        $extstatic = []
      elsif v
        $force_static = true
        $extstatic.delete("static")
        $extstatic = nil if $extstatic.empty?
      end
    end
    opts.on('--dest-dir=DIR') do |v|
      $destdir = v
    end
    opts.on('--extout=DIR') do |v|
      $extout = (v unless v.empty?)
    end
    opts.on('--make=MAKE') do |v|
      $make = v || 'make'
    end
    opts.on('--make-flags=FLAGS', '--mflags', Shellwords) do |v|
      if arg = v.first
        arg.insert(0, '-') if /\A[^-][^=]*\Z/ =~ arg
      end
      $mflags.concat(v)
    end
    opts.on('--message [MESSAGE]', String) do |v|
      $message = v
    end
    begin
      opts.parse!
    rescue OptionParser::InvalidOption => e
      retry if /^--/ =~ e.args[0]
      raise
    end
  end or abort opts.to_s

  $destdir ||= ''

  $make, *rest = Shellwords.shellwords($make)
  $mflags.unshift(*rest) unless rest.empty?

  def $mflags.set?(flag)
    grep(/\A-(?!-).*#{'%c' % flag}/i) { return true }
    false
  end
  def $mflags.defined?(var)
    grep(/\A#{var}=(.*)/) {return $1}
  end

  if $mflags.set?(?n)
    $dryrun = true
  else
    $mflags.unshift '-n' if $dryrun
  end

  $continue = $mflags.set?(?k)
  if !$destdir.to_s.empty?
    $destdir = File.expand_path($destdir)
    $mflags.defined?("DESTDIR") or $mflags << "DESTDIR=#{$destdir}"
  end
  if $extout
    $extout = '$(topdir)/'+$extout
    $extout_prefix = $extout ? "$(extout)$(target_prefix)/" : ""
    $mflags << "extout=#$extout" << "extout_prefix=#$extout_prefix"
  end
end

parse_args()

if target = ARGV.shift and /^[a-z-]+$/ =~ target
  $mflags.push(target)
  target = target.sub(/^(dist|real)(?=(?:clean)?$)/, '')
  case target
  when /clean/
    $ignore ||= true
    $clean = $1 ? $1[0] : true
  when /^install\b/
    $install = true
    $ignore ||= true
    $mflags.unshift("INSTALL_PROG=install -c -p -m 0755",
                    "INSTALL_DATA=install -c -p -m 0644",
                    "MAKEDIRS=mkdir -p") if $dryrun
  end
end
unless $message
  if target
    $message = target.sub(/^(\w+)e?\b/, '\1ing').tr('-', ' ')
  else
    $message = "compiling"
  end
end

EXEEXT = CONFIG['EXEEXT']
if CROSS_COMPILING
  $ruby = CONFIG['MINIRUBY']
elsif $nmake
  $ruby = '$(topdir:/=\\)\\miniruby' + EXEEXT
else
  $ruby = '$(topdir)/miniruby' + EXEEXT
end
$ruby << " -I'$(topdir)' -I'$(hdrdir)/lib'"
$config_h = '$(topdir)/config.h'

MTIMES = [__FILE__, 'rbconfig.rb', srcdir+'/lib/mkmf.rb'].collect {|f| File.mtime(f)}

# get static-link modules
$static_ext = {}
if $extstatic
  $extstatic.each do |target|
    target = target.downcase if /mswin32|bccwin32/ =~ RUBY_PLATFORM
    $static_ext[target] = $static_ext.size
  end
end
for dir in ["ext", File::join($top_srcdir, "ext")]
  setup = File::join(dir, CONFIG['setup'])
  if File.file? setup
    f = open(setup) 
    while line = f.gets()
      line.chomp!
      line.sub!(/#.*$/, '')
      next if /^\s*$/ =~ line
      target, opt = line.split(nil, 3)
      if target == 'option'
	case opt
	when 'nodynamic'
	  $nodynamic = true
	end
	next
      end
      target = target.downcase if /mswin32|bccwin32/ =~ RUBY_PLATFORM
      $static_ext[target] = $static_ext.size
    end
    MTIMES << f.mtime
    $setup = setup
    f.close
    break
  end
end unless $extstatic

ext_prefix = "#{$top_srcdir}/ext"
exts = $static_ext.sort_by {|t, i| i}.collect {|t, i| t}
exts |= $extension if $extension
exts |= Dir.glob("#{ext_prefix}/*/**/extconf.rb").collect {|d|
  d = File.dirname(d)
  d.slice!(0, ext_prefix.length + 1)
  d
} unless $extension

if $extout
  Config.expand(extout = "#$extout", Config::CONFIG.merge("topdir"=>$topdir))
  if $install
    Config.expand(dest = "#{$destdir}#{$rubylibdir}")
    FileUtils.cp_r(extout+"/.", dest, :verbose => true, :noop => $dryrun)
    exit
  end
  unless $ignore
    FileUtils.mkpath(extout)
  end
end

dir = Dir.pwd
FileUtils::makedirs('ext')
Dir::chdir('ext')

$hdrdir = $top_srcdir = relative_from(srcdir, $topdir = "..")
exts.each do |d|
  extmake(d) or abort
end
$hdrdir = $top_srcdir = srcdir
$topdir = "."

if $ignore
  FileUtils.rm_f(%W"extinit.c extinit.#{$OBJEXT}") if $clean
  Dir.chdir ".."
  if $clean
    Dir.rmdir('ext') rescue nil
    FileUtils.rm_rf(extout) if $extout
  end
  exit
end

if $extlist.size > 0
  $extinit ||= ""
  $extobjs ||= ""
  list = $extlist.dup
  built = []
  while e = list.shift
    s,t,i,r = e
    if r and !(r -= built).empty?
      l = list.size
      if (while l > 0; break true if r.include?(list[l-=1][1]) end)
        list.insert(l + 1, e)
      end
      next
    end
    f = format("%s/%s.%s", s, i, $LIBEXT)
    if File.exist?(f)
      $extinit += "\tinit(Init_#{i}, \"#{t}.so\");\n"
      $extobjs += "ext/#{f} "
      built << t
    end
  end

  src = <<SRC
extern char *ruby_sourcefile, *rb_source_filename();
#define init(func, name) (ruby_sourcefile = src = rb_source_filename(name), func(), rb_provide(src))
void Init_ext() {\n\tchar* src;\n#$extinit}
SRC
  if !modified?("extinit.c", MTIMES) || IO.read("extinit.c") != src
    open("extinit.c", "w") {|f| f.print src}
  end

  $extobjs = "ext/extinit.#{$OBJEXT} " + $extobjs
  if RUBY_PLATFORM =~ /m68k-human|beos/
    $extflags.delete("-L/usr/local/lib")
  end
  $extpath.delete("$(topdir)")
  $extflags = libpathflag($extpath) << " " << $extflags.strip
  conf = [
    ['SETUP', $setup], [$enable_shared ? 'DLDOBJS' : 'EXTOBJS', $extobjs],
    ['EXTLIBS', $extlibs.join(' ')], ['EXTLDFLAGS', $extflags]
  ].map {|n, v|
    "#{n}=#{v}" if v and !(v = v.strip).empty?
  }.compact
  puts conf
  $stdout.flush
  $mflags.concat(conf)
end
rubies = []
%w[RUBY RUBYW].each {|r|
  if r = arg_config("--"+r.downcase) || config_string(r+"_INSTALL_NAME")
    rubies << r+EXEEXT
  end
}

Dir.chdir ".."
if !$extlist.empty? and $extupdate
  rm_f(Config::CONFIG["LIBRUBY_SO"])
end
puts "making #{rubies.join(', ')}"
$stdout.flush
$mflags.concat(rubies)

system($make, *sysquote($mflags)) or exit($?.exitstatus)

#Local variables:
# mode: ruby
#end: