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[platform/upstream/nodejs.git] / configure
1 #!/usr/bin/env python
2 import optparse
3 import os
4 import pprint
5 import re
6 import shlex
7 import subprocess
8 import sys
9
10 CC = os.environ.get('CC', 'cc')
11
12 root_dir = os.path.dirname(__file__)
13 sys.path.insert(0, os.path.join(root_dir, 'deps', 'v8', 'tools'))
14
15 # parse our options
16 parser = optparse.OptionParser()
17
18 parser.add_option("--debug",
19     action="store_true",
20     dest="debug",
21     help="Also build debug build")
22
23 parser.add_option("--prefix",
24     action="store",
25     dest="prefix",
26     help="Select the install prefix (defaults to /usr/local)")
27
28 parser.add_option("--without-npm",
29     action="store_true",
30     dest="without_npm",
31     help="Don\'t install the bundled npm package manager")
32
33 parser.add_option("--without-ssl",
34     action="store_true",
35     dest="without_ssl",
36     help="Build without SSL")
37
38 parser.add_option("--without-snapshot",
39     action="store_true",
40     dest="without_snapshot",
41     help="Build without snapshotting V8 libraries. You might want to set"
42          " this for cross-compiling. [Default: False]")
43
44 parser.add_option("--shared-v8",
45     action="store_true",
46     dest="shared_v8",
47     help="Link to a shared V8 DLL instead of static linking")
48
49 parser.add_option("--shared-v8-includes",
50     action="store",
51     dest="shared_v8_includes",
52     help="Directory containing V8 header files")
53
54 parser.add_option("--shared-v8-libpath",
55     action="store",
56     dest="shared_v8_libpath",
57     help="A directory to search for the shared V8 DLL")
58
59 parser.add_option("--shared-v8-libname",
60     action="store",
61     dest="shared_v8_libname",
62     help="Alternative lib name to link to (default: 'v8')")
63
64 parser.add_option("--shared-openssl",
65     action="store_true",
66     dest="shared_openssl",
67     help="Link to a shared OpenSSl DLL instead of static linking")
68
69 parser.add_option("--shared-openssl-includes",
70     action="store",
71     dest="shared_openssl_includes",
72     help="Directory containing OpenSSL header files")
73
74 parser.add_option("--shared-openssl-libpath",
75     action="store",
76     dest="shared_openssl_libpath",
77     help="A directory to search for the shared OpenSSL DLLs")
78
79 parser.add_option("--shared-openssl-libname",
80     action="store",
81     dest="shared_openssl_libname",
82     help="Alternative lib name to link to (default: 'crypto,ssl')")
83
84 # deprecated
85 parser.add_option("--openssl-use-sys",
86     action="store_true",
87     dest="shared_openssl",
88     help=optparse.SUPPRESS_HELP)
89
90 # deprecated
91 parser.add_option("--openssl-includes",
92     action="store",
93     dest="shared_openssl_includes",
94     help=optparse.SUPPRESS_HELP)
95
96 # deprecated
97 parser.add_option("--openssl-libpath",
98     action="store",
99     dest="shared_openssl_libpath",
100     help=optparse.SUPPRESS_HELP)
101
102 # TODO document when we've decided on what the tracing API and its options will
103 # look like
104 parser.add_option("--systemtap-includes",
105     action="store",
106     dest="systemtap_includes",
107     help=optparse.SUPPRESS_HELP)
108
109 parser.add_option("--no-ssl2",
110     action="store_true",
111     dest="no_ssl2",
112     help="Disable OpenSSL v2")
113
114 parser.add_option("--shared-zlib",
115     action="store_true",
116     dest="shared_zlib",
117     help="Link to a shared zlib DLL instead of static linking")
118
119 parser.add_option("--shared-zlib-includes",
120     action="store",
121     dest="shared_zlib_includes",
122     help="Directory containing zlib header files")
123
124 parser.add_option("--shared-zlib-libpath",
125     action="store",
126     dest="shared_zlib_libpath",
127     help="A directory to search for the shared zlib DLL")
128
129 parser.add_option("--shared-zlib-libname",
130     action="store",
131     dest="shared_zlib_libname",
132     help="Alternative lib name to link to (default: 'z')")
133
134 parser.add_option("--shared-http-parser",
135     action="store_true",
136     dest="shared_http_parser",
137     help="Link to a shared http_parser DLL instead of static linking")
138
139 parser.add_option("--shared-http-parser-includes",
140     action="store",
141     dest="shared_http_parser_includes",
142     help="Directory containing http_parser header files")
143
144 parser.add_option("--shared-http-parser-libpath",
145     action="store",
146     dest="shared_http_parser_libpath",
147     help="A directory to search for the shared http_parser DLL")
148
149 parser.add_option("--shared-http-parser-libname",
150     action="store",
151     dest="shared_http_parser_libname",
152     help="Alternative lib name to link to (default: 'http_parser')")
153
154 parser.add_option("--shared-cares",
155     action="store_true",
156     dest="shared_cares",
157     help="Link to a shared cares DLL instead of static linking")
158
159 parser.add_option("--shared-cares-includes",
160     action="store",
161     dest="shared_cares_includes",
162     help="Directory containing cares header files")
163
164 parser.add_option("--shared-cares-libpath",
165     action="store",
166     dest="shared_cares_libpath",
167     help="A directory to search for the shared cares DLL")
168
169 parser.add_option("--shared-cares-libname",
170     action="store",
171     dest="shared_cares_libname",
172     help="Alternative lib name to link to (default: 'cares')")
173
174 parser.add_option("--shared-libuv",
175     action="store_true",
176     dest="shared_libuv",
177     help="Link to a shared libuv DLL instead of static linking")
178
179 parser.add_option("--shared-libuv-includes",
180     action="store",
181     dest="shared_libuv_includes",
182     help="Directory containing libuv header files")
183
184 parser.add_option("--shared-libuv-libpath",
185     action="store",
186     dest="shared_libuv_libpath",
187     help="A directory to search for the shared libuv DLL")
188
189 parser.add_option("--shared-libuv-libname",
190     action="store",
191     dest="shared_libuv_libname",
192     help="Alternative lib name to link to (default: 'uv')")
193
194 parser.add_option("--with-dtrace",
195     action="store_true",
196     dest="with_dtrace",
197     help="Build with DTrace (default is true on sunos)")
198
199 parser.add_option("--without-dtrace",
200     action="store_true",
201     dest="without_dtrace",
202     help="Build without DTrace")
203
204 parser.add_option("--with-etw",
205     action="store_true",
206     dest="with_etw",
207     help="Build with ETW (default is true on Windows)")
208
209 parser.add_option("--without-etw",
210     action="store_true",
211     dest="without_etw",
212     help="Build without ETW")
213
214 parser.add_option("--with-perfctr",
215     action="store_true",
216     dest="with_perfctr",
217     help="Build with performance counters (default is true on Windows)")
218
219 parser.add_option("--without-perfctr",
220     action="store_true",
221     dest="without_perfctr",
222     help="Build without performance counters")
223
224 # CHECKME does this still work with recent releases of V8?
225 parser.add_option("--gdb",
226     action="store_true",
227     dest="gdb",
228     help="add gdb support")
229
230 parser.add_option("--dest-cpu",
231     action="store",
232     dest="dest_cpu",
233     help="CPU architecture to build for. Valid values are: arm, ia32, x64")
234
235 parser.add_option("--dest-os",
236     action="store",
237     dest="dest_os",
238     help="Operating system to build for. Valid values are: "
239          "win, mac, solaris, freebsd, linux")
240
241 parser.add_option("--no-ifaddrs",
242     action="store_true",
243     dest="no_ifaddrs",
244     help="Use on deprecated SunOS systems that do not support ifaddrs.h")
245
246 parser.add_option("--with-arm-float-abi",
247     action="store",
248     dest="arm_float_abi",
249     help="Specifies which floating-point ABI to use. Valid values are: "
250          "soft, softfp, hard")
251
252 parser.add_option("--ninja",
253     action="store_true",
254     dest="use_ninja",
255     help="Generate files for the ninja build system")
256
257 # Using --unsafe-optimizations voids your warranty.
258 parser.add_option("--unsafe-optimizations",
259     action="store_true",
260     dest="unsafe_optimizations",
261     help=optparse.SUPPRESS_HELP)
262
263 parser.add_option("--xcode",
264     action="store_true",
265     dest="use_xcode",
266     help="Generate build files for use with xcode")
267
268 (options, args) = parser.parse_args()
269
270
271 def b(value):
272   """Returns the string 'true' if value is truthy, 'false' otherwise."""
273   if value:
274     return 'true'
275   else:
276     return 'false'
277
278
279 def pkg_config(pkg):
280   cmd = os.popen('pkg-config --libs %s' % pkg, 'r')
281   libs = cmd.readline().strip()
282   ret = cmd.close()
283   if (ret): return None
284
285   cmd = os.popen('pkg-config --cflags %s' % pkg, 'r')
286   cflags = cmd.readline().strip()
287   ret = cmd.close()
288   if (ret): return None
289
290   return (libs, cflags)
291
292
293 def cc_macros():
294   """Checks predefined macros using the CC command."""
295
296   try:
297     p = subprocess.Popen(shlex.split(CC) + ['-dM', '-E', '-'],
298                          stdin=subprocess.PIPE,
299                          stdout=subprocess.PIPE,
300                          stderr=subprocess.PIPE)
301   except OSError:
302     print '''Node.js configure error: No acceptable C compiler found!
303
304         Please make sure you have a C compiler installed on your system and/or
305         consider adjusting the CC environment variable if you installed
306         it in a non-standard prefix.
307         '''
308     sys.exit()
309
310   p.stdin.write('\n')
311   out = p.communicate()[0]
312
313   out = str(out).split('\n')
314
315   k = {}
316   for line in out:
317     lst = shlex.split(line)
318     if len(lst) > 2:
319       key = lst[1]
320       val = lst[2]
321       k[key] = val
322   return k
323
324
325 def is_arch_armv7():
326   """Check for ARMv7 instructions"""
327   cc_macros_cache = cc_macros()
328   return ('__ARM_ARCH_7__' in cc_macros_cache or
329           '__ARM_ARCH_7A__' in cc_macros_cache or
330           '__ARM_ARCH_7R__' in cc_macros_cache or
331           '__ARM_ARCH_7M__' in cc_macros_cache)
332
333
334 def arm_hard_float_abi():
335   """Check for hardfloat or softfloat eabi on ARM"""
336   # GCC versions 4.6 and above define __ARM_PCS or __ARM_PCS_VFP to specify
337   # the Floating Point ABI used (PCS stands for Procedure Call Standard).
338   # We use these as well as a couple of other defines to statically determine
339   # what FP ABI used.
340   # GCC versions 4.4 and below don't support hard-fp.
341   # GCC versions 4.5 may support hard-fp without defining __ARM_PCS or
342   # __ARM_PCS_VFP.
343
344   if compiler_version() >= (4, 6, 0):
345     return '__ARM_PCS_VFP' in cc_macros()
346   elif compiler_version() < (4, 5, 0):
347     return False
348   elif '__ARM_PCS_VFP' in cc_macros():
349     return True
350   elif ('__ARM_PCS' in cc_macros() or
351         '__SOFTFP' in cc_macros() or
352         not '__VFP_FP__' in cc_macros()):
353     return False
354   else:
355     print '''Node.js configure error: Your version of GCC does not report
356       the Floating-Point ABI to compile for your hardware
357
358       Please manually specify which floating-point ABI to use with the
359       --with-arm-float-abi option.
360       '''
361     sys.exit()
362
363
364 def host_arch_cc():
365   """Host architecture check using the CC command."""
366
367   k = cc_macros()
368
369   matchup = {
370     '__x86_64__'  : 'x64',
371     '__i386__'    : 'ia32',
372     '__arm__'     : 'arm',
373   }
374
375   rtn = 'ia32' # default
376
377   for i in matchup:
378     if i in k and k[i] != '0':
379       rtn = matchup[i]
380       break
381
382   return rtn
383
384
385 def host_arch_win():
386   """Host architecture check using environ vars (better way to do this?)"""
387
388   arch = os.environ.get('PROCESSOR_ARCHITECTURE', 'x86')
389
390   matchup = {
391     'AMD64'  : 'x64',
392     'x86'    : 'ia32',
393     'arm'    : 'arm',
394   }
395
396   return matchup.get(arch, 'ia32')
397
398
399 def compiler_version():
400   try:
401     proc = subprocess.Popen(shlex.split(CC) + ['--version'], stdout=subprocess.PIPE)
402   except WindowsError:
403     return (0, False)
404
405   is_clang = 'clang' in proc.communicate()[0].split('\n')[0]
406
407   proc = subprocess.Popen(shlex.split(CC) + ['-dumpversion'], stdout=subprocess.PIPE)
408   version = tuple(map(int, proc.communicate()[0].split('.')))
409
410   return (version, is_clang)
411
412
413 def configure_arm(o):
414   # V8 on ARM requires that armv7 is set. CPU Model detected by
415   # the presence of __ARM_ARCH_7__ and the like defines in compiler
416   if options.arm_float_abi:
417     hard_float = options.arm_float_abi == 'hard'
418   else:
419     hard_float = arm_hard_float_abi()
420   o['variables']['v8_use_arm_eabi_hardfloat'] = b(hard_float)
421
422   armv7 = is_arch_armv7()
423   if armv7:
424     # CHECKME VFPv3 implies ARMv7+ but is the reverse true as well?
425     o['variables']['arm_fpu'] = 'vfpv3'
426     o['variables']['arm_neon'] = 0
427   o['variables']['armv7'] = int(armv7)
428
429
430 def configure_node(o):
431   o['variables']['v8_enable_gdbjit'] = 1 if options.gdb else 0
432   o['variables']['v8_no_strict_aliasing'] = 1 # work around compiler bugs
433   o['variables']['node_prefix'] = os.path.expanduser(options.prefix or '')
434   o['variables']['node_install_npm'] = b(not options.without_npm)
435   o['variables']['node_unsafe_optimizations'] = (
436     1 if options.unsafe_optimizations else 0)
437   o['default_configuration'] = 'Debug' if options.debug else 'Release'
438
439   host_arch = host_arch_win() if os.name == 'nt' else host_arch_cc()
440   target_arch = options.dest_cpu or host_arch
441   o['variables']['host_arch'] = host_arch
442   o['variables']['target_arch'] = target_arch
443
444   if target_arch == 'arm':
445     configure_arm(o)
446
447   cc_version, is_clang = compiler_version()
448   o['variables']['clang'] = 1 if is_clang else 0
449
450   if not is_clang and cc_version != 0:
451     o['variables']['gcc_version'] = 10 * cc_version[0] + cc_version[1]
452
453   # clang has always supported -fvisibility=hidden, right?
454   if not is_clang and cc_version < (4,0,0):
455     o['variables']['visibility'] = ''
456
457   # By default, enable DTrace on SunOS systems. Don't allow it on other
458   # systems, since it won't work.  (The MacOS build process is different than
459   # SunOS, and we haven't implemented it.)
460   if sys.platform.startswith('sunos'):
461     o['variables']['node_use_dtrace'] = b(not options.without_dtrace)
462   elif sys.platform.startswith('linux'):
463     o['variables']['node_use_dtrace'] = 'false'
464     o['variables']['node_use_systemtap'] = b(options.with_dtrace)
465     if options.systemtap_includes:
466       o['include_dirs'] += [options.systemtap_includes]
467   elif options.with_dtrace:
468     raise Exception(
469        'DTrace is currently only supported on SunOS or Linux systems.')
470   else:
471     o['variables']['node_use_dtrace'] = 'false'
472     o['variables']['node_use_systemtap'] = 'false'
473
474   if options.no_ifaddrs:
475     o['defines'] += ['SUNOS_NO_IFADDRS']
476
477   # By default, enable ETW on Windows.
478   if sys.platform.startswith('win32'):
479     o['variables']['node_use_etw'] = b(not options.without_etw);
480   elif options.with_etw:
481     raise Exception('ETW is only supported on Windows.')
482   else:
483     o['variables']['node_use_etw'] = 'false'
484
485   # By default, enable Performance counters on Windows.
486   if sys.platform.startswith('win32'):
487     o['variables']['node_use_perfctr'] = b(not options.without_perfctr);
488   elif options.with_perfctr:
489     raise Exception('Performance counter is only supported on Windows.')
490   else:
491     o['variables']['node_use_perfctr'] = 'false'
492
493
494 def configure_libz(o):
495   o['variables']['node_shared_zlib'] = b(options.shared_zlib)
496
497   # assume shared_zlib if one of these is set?
498   if options.shared_zlib_libpath:
499     o['libraries'] += ['-L%s' % options.shared_zlib_libpath]
500   if options.shared_zlib_libname:
501     o['libraries'] += ['-l%s' % options.shared_zlib_libname]
502   elif options.shared_zlib:
503     o['libraries'] += ['-lz']
504   if options.shared_zlib_includes:
505     o['include_dirs'] += [options.shared_zlib_includes]
506
507
508 def configure_http_parser(o):
509     o['variables']['node_shared_http_parser'] = b(options.shared_http_parser)
510
511     # assume shared http_parser if one of these is set?
512     if options.shared_http_parser_libpath:
513         o['libraries'] += ['-L%s' % options.shared_http_parser_libpath]
514     if options.shared_http_parser_libname:
515         o['libraries'] += ['-l%s' % options.shared_http_parser_libname]
516     elif options.shared_http_parser:
517         o['libraries'] += ['-lhttp_parser']
518     if options.shared_http_parser_includes:
519         o['include_dirs'] += [options.shared_http_parser_includes]
520
521
522 def configure_cares(o):
523     o['variables']['node_shared_cares'] = b(options.shared_cares)
524
525     # assume shared cares if one of these is set?
526     if options.shared_cares_libpath:
527         o['libraries'] += ['-L%s' % options.shared_cares_libpath]
528     if options.shared_cares_libname:
529         o['libraries'] += ['-l%s' % options.shared_cares_libname]
530     elif options.shared_cares:
531         o['libraries'] += ['-lcares']
532     if options.shared_cares_includes:
533         o['include_dirs'] += [options.shared_cares_includes]
534
535
536 def configure_libuv(o):
537   o['variables']['node_shared_libuv'] = b(options.shared_libuv)
538
539   # assume shared libuv if one of these is set?
540   if options.shared_libuv_libpath:
541     o['libraries'] += ['-L%s' % options.shared_libuv_libpath]
542   if options.shared_libuv_libname:
543     o['libraries'] += ['-l%s' % options.shared_libuv_libname]
544   elif options.shared_libuv:
545     o['libraries'] += ['-luv']
546   if options.shared_libuv_includes:
547     o['include_dirs'] += [options.shared_libuv_includes]
548
549
550 def configure_v8(o):
551   o['variables']['v8_use_snapshot'] = b(not options.without_snapshot)
552   o['variables']['node_shared_v8'] = b(options.shared_v8)
553
554   # assume shared_v8 if one of these is set?
555   if options.shared_v8_libpath:
556     o['libraries'] += ['-L%s' % options.shared_v8_libpath]
557   if options.shared_v8_libname:
558     o['libraries'] += ['-l%s' % options.shared_v8_libname]
559   elif options.shared_v8:
560     o['libraries'] += ['-lv8']
561   if options.shared_v8_includes:
562     o['include_dirs'] += [options.shared_v8_includes]
563
564
565 def configure_openssl(o):
566   o['variables']['node_use_openssl'] = b(not options.without_ssl)
567   o['variables']['node_shared_openssl'] = b(options.shared_openssl)
568
569   if options.without_ssl:
570     return
571
572   if options.no_ssl2:
573     o['defines'] += ['OPENSSL_NO_SSL2=1']
574
575   if options.shared_openssl:
576     (libs, cflags) = pkg_config('openssl') or ('-lssl -lcrypto', '')
577
578     if options.shared_openssl_libpath:
579       o['libraries'] += ['-L%s' % options.shared_openssl_libpath]
580
581     if options.shared_openssl_libname:
582       libnames = options.shared_openssl_libname.split(',')
583       o['libraries'] += ['-l%s' % s for s in libnames]
584     else:
585       o['libraries'] += libs.split()
586
587     if options.shared_openssl_includes:
588       o['include_dirs'] += [options.shared_openssl_includes]
589     else:
590       o['cflags'] += cflags.split()
591
592
593 def configure_winsdk(o):
594   if not sys.platform.startswith('win32'):
595     return
596
597   try:
598     p = subprocess.Popen(['ctrpp.exe'],
599                          stdin=subprocess.PIPE,
600                          stdout=subprocess.PIPE,
601                          stderr=subprocess.PIPE)
602   except OSError:
603     return
604
605   o['variables']['node_has_winsdk'] = 'true'
606
607
608 output = {
609   'variables': { 'python': sys.executable },
610   'include_dirs': [],
611   'libraries': [],
612   'defines': [],
613   'cflags': [],
614 }
615
616 configure_node(output)
617 configure_libz(output)
618 configure_http_parser(output)
619 configure_cares(output)
620 configure_libuv(output)
621 configure_v8(output)
622 configure_openssl(output)
623 configure_winsdk(output)
624
625 # variables should be a root level element,
626 # move everything else to target_defaults
627 variables = output['variables']
628 del output['variables']
629 output = {
630   'variables': variables,
631   'target_defaults': output
632 }
633 pprint.pprint(output, indent=2)
634
635 def write(filename, data):
636   filename = os.path.join(root_dir, filename)
637   print "creating ", filename
638   f = open(filename, 'w+')
639   f.write(data)
640
641 write('config.gypi', "# Do not edit. Generated by the configure script.\n" +
642   pprint.pformat(output, indent=2) + "\n")
643
644 config = {
645   'BUILDTYPE': 'Debug' if options.debug else 'Release',
646   'USE_NINJA': str(int(options.use_ninja or 0)),
647   'USE_XCODE': str(int(options.use_xcode or 0)),
648   'PYTHON': sys.executable,
649 }
650 config = '\n'.join(map('='.join, config.iteritems())) + '\n'
651
652 write('config.mk',
653       '# Do not edit. Generated by the configure script.\n' + config)
654
655 if options.use_ninja:
656   gyp_args = ['-f', 'ninja']
657 elif options.use_xcode:
658   gyp_args = ['-f', 'xcode']
659 elif os.name == 'nt':
660   gyp_args = ['-f', 'msvs', '-G', 'msvs_version=auto']
661 elif options.dest_os:
662   gyp_args = ['-f', 'make-' + options.dest_os]
663 else:
664   gyp_args = ['-f', 'make']
665
666 subprocess.call([sys.executable, 'tools/gyp_node'] + gyp_args)