summaryrefslogtreecommitdiff
path: root/ext/extmk.rb
blob: 4f2ab88ec5e446057e13ace9672d96d3f0368812 (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
#! /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 = []

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

srcdir = Config::CONFIG["srcdir"]

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

require 'mkmf'
require 'getopts'

$topdir = File.expand_path(".")
$top_srcdir = srcdir
$hdrdir = $top_srcdir

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

  begin
    dir = Dir.pwd
    FileUtils.mkpath target unless File.directory?(target)
    Dir.chdir target
    $target = target
    $mdir = target
    $srcdir = File.join($top_srcdir, "ext", $mdir)
    $preload = nil
    makefile = "./Makefile"
    unless $ignore
      if $static ||
	 !(t = modified?(makefile, MTIMES)) ||
	 %W<#{$srcdir}/makefile.rb #{$srcdir}/extconf.rb
	    #{$srcdir}/depend #{$srcdir}/MANIFEST>.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
	  File.exist?(makefile)
	rescue SystemExit
	  # ignore
	ensure
	  rm_f "conftest*"
	  $0 = $PROGRAM_NAME
	  Config::CONFIG["srcdir"] = $top_srcdir
	end
      else
	true
      end
    else
      File.exist?(makefile)
    end or open(makefile, "w") do |f|
      f.print dummy_makefile($srcdir)
      return true
    end
    args = sysquote($mflags)
    if $static
      args += ["static"]
      $extlist.push [$static, $target, File.basename($target), $preload]
    end
    unless system($make, *args)
      $ignore or $continue or return false
    end
    if $static
      $extflags ||= ""
      $extlibs ||= []
      $extpath ||= []
      $extflags += " " + $DLDFLAGS unless $DLDFLAGS.empty?
      $extflags += " " + $LDFLAGS unless $LDFLAGS.empty?
      $extlibs |= $libs.split | $LOCAL_LIBS.split
      $extpath |= $LIBPATH
    end
  ensure
    Dir.chdir dir
  end
  true
end

def parse_args()
  getopts('n', 'extstatic:', 'dest-dir:',
	  'make:', 'make-flags:', 'mflags:')

  $dryrun = $OPT['n']
  $force_static = $OPT['extstatic'] == 'static'
  $destdir = $OPT['dest-dir'] || ''
  $make = $OPT['make'] || $make || 'make'
  mflags = ($OPT['make-flags'] || '').strip
  mflags = ($OPT['mflags'] || '').strip if mflags.empty?

  $mflags = Shellwords.shellwords(mflags)
  if arg = $mflags.first
    arg.insert(0, '-') if /\A[^-][^=]*\Z/ =~ arg
  end

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

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

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

  $continue = $mflags.set?(?k)
  $mflags |= ["DESTDIR=#{$destdir}"] unless $destdir.to_s.empty?
end

parse_args()

unless $message
  if $message = ARGV.shift and /^[a-z]+$/ =~ $message
    $mflags.push($message)
    $message = $message.sub(/^(?:dist|real)(?=(?:clean)?$)/, '\1')
    case $message
    when "clean"
      $ignore ||= true
    when "install"
      $ignore ||= true
      $mflags.unshift("INSTALL_PROG=install -c -p -m 0755",
		      "INSTALL_DATA=install -c -p -m 0644",
		      "MAKEDIRS=mkdir -p") if $dryrun
    end
    $message.sub!(/e?$/, "ing")
  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__, srcdir+'/lib/mkmf.rb'].collect {|f| File.mtime(f)}

# get static-link modules
$static_ext = {}
for dir in ["ext", File::join($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] = true
    end
    MTIMES << f.mtime
    $setup = setup
    f.close
    break
  end
end

FileUtils::makedirs('ext')
Dir::chdir('ext')

ext_prefix = "#{$top_srcdir}/ext"
Dir.glob("#{ext_prefix}/*/**/MANIFEST") do |d|
  d = File.dirname(d)
  d.slice!(0, ext_prefix.length + 1)
  extmake(d) or exit(1)
end

if $ignore
  Dir.chdir ".."
  exit
end

if $extlist.size > 0
  $extinit ||= ""
  $extobjs ||= ""
  list = $extlist.dup
  until list.empty?
    s,t,i,r = list.shift
    if r and list.any? {|l| r.include?(l[1])}
      list << [s,t,i]
      next
    end
    f = format("%s/%s.%s", s, i, $LIBEXT)
    if File.exist?(f)
      $extinit += "\tinit(Init_#{i}, \"#{t}.so\");\n"
      $extobjs += "ext/#{f} "
    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|
  config_string(r+"_INSTALL_NAME") {|r| rubies << r+EXEEXT}
}

Dir.chdir ".."
if $extlist.size > 0
  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: