build: Add hyphen to custom build tags
[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 parser.add_option("--tag",
269     action="store",
270     dest="tag",
271     help="Custom build tag")
272
273 (options, args) = parser.parse_args()
274
275
276 def b(value):
277   """Returns the string 'true' if value is truthy, 'false' otherwise."""
278   if value:
279     return 'true'
280   else:
281     return 'false'
282
283
284 def pkg_config(pkg):
285   cmd = os.popen('pkg-config --libs %s' % pkg, 'r')
286   libs = cmd.readline().strip()
287   ret = cmd.close()
288   if (ret): return None
289
290   cmd = os.popen('pkg-config --cflags %s' % pkg, 'r')
291   cflags = cmd.readline().strip()
292   ret = cmd.close()
293   if (ret): return None
294
295   return (libs, cflags)
296
297
298 def cc_macros():
299   """Checks predefined macros using the CC command."""
300
301   try:
302     p = subprocess.Popen(shlex.split(CC) + ['-dM', '-E', '-'],
303                          stdin=subprocess.PIPE,
304                          stdout=subprocess.PIPE,
305                          stderr=subprocess.PIPE)
306   except OSError:
307     print '''Node.js configure error: No acceptable C compiler found!
308
309         Please make sure you have a C compiler installed on your system and/or
310         consider adjusting the CC environment variable if you installed
311         it in a non-standard prefix.
312         '''
313     sys.exit()
314
315   p.stdin.write('\n')
316   out = p.communicate()[0]
317
318   out = str(out).split('\n')
319
320   k = {}
321   for line in out:
322     lst = shlex.split(line)
323     if len(lst) > 2:
324       key = lst[1]
325       val = lst[2]
326       k[key] = val
327   return k
328
329
330 def is_arch_armv7():
331   """Check for ARMv7 instructions"""
332   cc_macros_cache = cc_macros()
333   return ('__ARM_ARCH_7__' in cc_macros_cache or
334           '__ARM_ARCH_7A__' in cc_macros_cache or
335           '__ARM_ARCH_7R__' in cc_macros_cache or
336           '__ARM_ARCH_7M__' in cc_macros_cache)
337
338
339 def arm_hard_float_abi():
340   """Check for hardfloat or softfloat eabi on ARM"""
341   # GCC versions 4.6 and above define __ARM_PCS or __ARM_PCS_VFP to specify
342   # the Floating Point ABI used (PCS stands for Procedure Call Standard).
343   # We use these as well as a couple of other defines to statically determine
344   # what FP ABI used.
345   # GCC versions 4.4 and below don't support hard-fp.
346   # GCC versions 4.5 may support hard-fp without defining __ARM_PCS or
347   # __ARM_PCS_VFP.
348
349   if compiler_version() >= (4, 6, 0):
350     return '__ARM_PCS_VFP' in cc_macros()
351   elif compiler_version() < (4, 5, 0):
352     return False
353   elif '__ARM_PCS_VFP' in cc_macros():
354     return True
355   elif ('__ARM_PCS' in cc_macros() or
356         '__SOFTFP' in cc_macros() or
357         not '__VFP_FP__' in cc_macros()):
358     return False
359   else:
360     print '''Node.js configure error: Your version of GCC does not report
361       the Floating-Point ABI to compile for your hardware
362
363       Please manually specify which floating-point ABI to use with the
364       --with-arm-float-abi option.
365       '''
366     sys.exit()
367
368
369 def host_arch_cc():
370   """Host architecture check using the CC command."""
371
372   k = cc_macros()
373
374   matchup = {
375     '__x86_64__'  : 'x64',
376     '__i386__'    : 'ia32',
377     '__arm__'     : 'arm',
378   }
379
380   rtn = 'ia32' # default
381
382   for i in matchup:
383     if i in k and k[i] != '0':
384       rtn = matchup[i]
385       break
386
387   return rtn
388
389
390 def host_arch_win():
391   """Host architecture check using environ vars (better way to do this?)"""
392
393   arch = os.environ.get('PROCESSOR_ARCHITECTURE', 'x86')
394
395   matchup = {
396     'AMD64'  : 'x64',
397     'x86'    : 'ia32',
398     'arm'    : 'arm',
399   }
400
401   return matchup.get(arch, 'ia32')
402
403
404 def compiler_version():
405   try:
406     proc = subprocess.Popen(shlex.split(CC) + ['--version'], stdout=subprocess.PIPE)
407   except WindowsError:
408     return (0, False)
409
410   is_clang = 'clang' in proc.communicate()[0].split('\n')[0]
411
412   proc = subprocess.Popen(shlex.split(CC) + ['-dumpversion'], stdout=subprocess.PIPE)
413   version = tuple(map(int, proc.communicate()[0].split('.')))
414
415   return (version, is_clang)
416
417
418 def configure_arm(o):
419   # V8 on ARM requires that armv7 is set. CPU Model detected by
420   # the presence of __ARM_ARCH_7__ and the like defines in compiler
421   if options.arm_float_abi:
422     hard_float = options.arm_float_abi == 'hard'
423   else:
424     hard_float = arm_hard_float_abi()
425   o['variables']['v8_use_arm_eabi_hardfloat'] = b(hard_float)
426
427   armv7 = is_arch_armv7()
428   if armv7:
429     # CHECKME VFPv3 implies ARMv7+ but is the reverse true as well?
430     o['variables']['arm_fpu'] = 'vfpv3'
431     o['variables']['arm_neon'] = 0
432   o['variables']['armv7'] = int(armv7)
433
434
435 def configure_node(o):
436   o['variables']['v8_enable_gdbjit'] = 1 if options.gdb else 0
437   o['variables']['v8_no_strict_aliasing'] = 1 # work around compiler bugs
438   o['variables']['node_prefix'] = os.path.expanduser(options.prefix or '')
439   o['variables']['node_install_npm'] = b(not options.without_npm)
440   o['variables']['node_unsafe_optimizations'] = (
441     1 if options.unsafe_optimizations else 0)
442   o['default_configuration'] = 'Debug' if options.debug else 'Release'
443
444   host_arch = host_arch_win() if os.name == 'nt' else host_arch_cc()
445   target_arch = options.dest_cpu or host_arch
446   o['variables']['host_arch'] = host_arch
447   o['variables']['target_arch'] = target_arch
448
449   if target_arch == 'arm':
450     configure_arm(o)
451
452   cc_version, is_clang = compiler_version()
453   o['variables']['clang'] = 1 if is_clang else 0
454
455   if not is_clang and cc_version != 0:
456     o['variables']['gcc_version'] = 10 * cc_version[0] + cc_version[1]
457
458   # clang has always supported -fvisibility=hidden, right?
459   if not is_clang and cc_version < (4,0,0):
460     o['variables']['visibility'] = ''
461
462   # By default, enable DTrace on SunOS systems. Don't allow it on other
463   # systems, since it won't work.  (The MacOS build process is different than
464   # SunOS, and we haven't implemented it.)
465   if sys.platform.startswith('sunos'):
466     o['variables']['node_use_dtrace'] = b(not options.without_dtrace)
467   elif sys.platform.startswith('linux'):
468     o['variables']['node_use_dtrace'] = 'false'
469     o['variables']['node_use_systemtap'] = b(options.with_dtrace)
470     if options.systemtap_includes:
471       o['include_dirs'] += [options.systemtap_includes]
472   elif options.with_dtrace:
473     raise Exception(
474        'DTrace is currently only supported on SunOS or Linux systems.')
475   else:
476     o['variables']['node_use_dtrace'] = 'false'
477     o['variables']['node_use_systemtap'] = 'false'
478
479   if options.no_ifaddrs:
480     o['defines'] += ['SUNOS_NO_IFADDRS']
481
482   # By default, enable ETW on Windows.
483   if sys.platform.startswith('win32'):
484     o['variables']['node_use_etw'] = b(not options.without_etw);
485   elif options.with_etw:
486     raise Exception('ETW is only supported on Windows.')
487   else:
488     o['variables']['node_use_etw'] = 'false'
489
490   # By default, enable Performance counters on Windows.
491   if sys.platform.startswith('win32'):
492     o['variables']['node_use_perfctr'] = b(not options.without_perfctr);
493   elif options.with_perfctr:
494     raise Exception('Performance counter is only supported on Windows.')
495   else:
496     o['variables']['node_use_perfctr'] = 'false'
497
498   if options.tag:
499     o['variables']['node_tag'] = '-' + options.tag
500   else:
501     o['variables']['node_tag'] = ''
502
503
504 def configure_libz(o):
505   o['variables']['node_shared_zlib'] = b(options.shared_zlib)
506
507   # assume shared_zlib if one of these is set?
508   if options.shared_zlib_libpath:
509     o['libraries'] += ['-L%s' % options.shared_zlib_libpath]
510   if options.shared_zlib_libname:
511     o['libraries'] += ['-l%s' % options.shared_zlib_libname]
512   elif options.shared_zlib:
513     o['libraries'] += ['-lz']
514   if options.shared_zlib_includes:
515     o['include_dirs'] += [options.shared_zlib_includes]
516
517
518 def configure_http_parser(o):
519     o['variables']['node_shared_http_parser'] = b(options.shared_http_parser)
520
521     # assume shared http_parser if one of these is set?
522     if options.shared_http_parser_libpath:
523         o['libraries'] += ['-L%s' % options.shared_http_parser_libpath]
524     if options.shared_http_parser_libname:
525         o['libraries'] += ['-l%s' % options.shared_http_parser_libname]
526     elif options.shared_http_parser:
527         o['libraries'] += ['-lhttp_parser']
528     if options.shared_http_parser_includes:
529         o['include_dirs'] += [options.shared_http_parser_includes]
530
531
532 def configure_cares(o):
533     o['variables']['node_shared_cares'] = b(options.shared_cares)
534
535     # assume shared cares if one of these is set?
536     if options.shared_cares_libpath:
537         o['libraries'] += ['-L%s' % options.shared_cares_libpath]
538     if options.shared_cares_libname:
539         o['libraries'] += ['-l%s' % options.shared_cares_libname]
540     elif options.shared_cares:
541         o['libraries'] += ['-lcares']
542     if options.shared_cares_includes:
543         o['include_dirs'] += [options.shared_cares_includes]
544
545
546 def configure_libuv(o):
547   o['variables']['node_shared_libuv'] = b(options.shared_libuv)
548
549   # assume shared libuv if one of these is set?
550   if options.shared_libuv_libpath:
551     o['libraries'] += ['-L%s' % options.shared_libuv_libpath]
552   if options.shared_libuv_libname:
553     o['libraries'] += ['-l%s' % options.shared_libuv_libname]
554   elif options.shared_libuv:
555     o['libraries'] += ['-luv']
556   if options.shared_libuv_includes:
557     o['include_dirs'] += [options.shared_libuv_includes]
558
559
560 def configure_v8(o):
561   o['variables']['v8_use_snapshot'] = b(not options.without_snapshot)
562   o['variables']['node_shared_v8'] = b(options.shared_v8)
563
564   # assume shared_v8 if one of these is set?
565   if options.shared_v8_libpath:
566     o['libraries'] += ['-L%s' % options.shared_v8_libpath]
567   if options.shared_v8_libname:
568     o['libraries'] += ['-l%s' % options.shared_v8_libname]
569   elif options.shared_v8:
570     o['libraries'] += ['-lv8']
571   if options.shared_v8_includes:
572     o['include_dirs'] += [options.shared_v8_includes]
573
574
575 def configure_openssl(o):
576   o['variables']['node_use_openssl'] = b(not options.without_ssl)
577   o['variables']['node_shared_openssl'] = b(options.shared_openssl)
578
579   if options.without_ssl:
580     return
581
582   if options.no_ssl2:
583     o['defines'] += ['OPENSSL_NO_SSL2=1']
584
585   if options.shared_openssl:
586     (libs, cflags) = pkg_config('openssl') or ('-lssl -lcrypto', '')
587
588     if options.shared_openssl_libpath:
589       o['libraries'] += ['-L%s' % options.shared_openssl_libpath]
590
591     if options.shared_openssl_libname:
592       libnames = options.shared_openssl_libname.split(',')
593       o['libraries'] += ['-l%s' % s for s in libnames]
594     else:
595       o['libraries'] += libs.split()
596
597     if options.shared_openssl_includes:
598       o['include_dirs'] += [options.shared_openssl_includes]
599     else:
600       o['cflags'] += cflags.split()
601
602
603 def configure_winsdk(o):
604   if not sys.platform.startswith('win32'):
605     return
606
607   try:
608     p = subprocess.Popen(['ctrpp.exe'],
609                          stdin=subprocess.PIPE,
610                          stdout=subprocess.PIPE,
611                          stderr=subprocess.PIPE)
612   except OSError:
613     return
614
615   o['variables']['node_has_winsdk'] = 'true'
616
617
618 output = {
619   'variables': { 'python': sys.executable },
620   'include_dirs': [],
621   'libraries': [],
622   'defines': [],
623   'cflags': [],
624 }
625
626 configure_node(output)
627 configure_libz(output)
628 configure_http_parser(output)
629 configure_cares(output)
630 configure_libuv(output)
631 configure_v8(output)
632 configure_openssl(output)
633 configure_winsdk(output)
634
635 # variables should be a root level element,
636 # move everything else to target_defaults
637 variables = output['variables']
638 del output['variables']
639 output = {
640   'variables': variables,
641   'target_defaults': output
642 }
643 pprint.pprint(output, indent=2)
644
645 def write(filename, data):
646   filename = os.path.join(root_dir, filename)
647   print "creating ", filename
648   f = open(filename, 'w+')
649   f.write(data)
650
651 write('config.gypi', "# Do not edit. Generated by the configure script.\n" +
652   pprint.pformat(output, indent=2) + "\n")
653
654 config = {
655   'BUILDTYPE': 'Debug' if options.debug else 'Release',
656   'USE_NINJA': str(int(options.use_ninja or 0)),
657   'USE_XCODE': str(int(options.use_xcode or 0)),
658   'PYTHON': sys.executable,
659 }
660 config = '\n'.join(map('='.join, config.iteritems())) + '\n'
661
662 write('config.mk',
663       '# Do not edit. Generated by the configure script.\n' + config)
664
665 if options.use_ninja:
666   gyp_args = ['-f', 'ninja']
667 elif options.use_xcode:
668   gyp_args = ['-f', 'xcode']
669 elif os.name == 'nt':
670   gyp_args = ['-f', 'msvs', '-G', 'msvs_version=auto']
671 elif options.dest_os:
672   gyp_args = ['-f', 'make-' + options.dest_os]
673 else:
674   gyp_args = ['-f', 'make']
675
676 subprocess.call([sys.executable, 'tools/gyp_node'] + gyp_args)