pan/bi: Add op for ADD_FREXPM
[mesa.git] / scons / gallium.py
1 """gallium
2
3 Frontend-tool for Gallium3D architecture.
4
5 """
6
7 #
8 # Copyright 2008 VMware, Inc.
9 # All Rights Reserved.
10 #
11 # Permission is hereby granted, free of charge, to any person obtaining a
12 # copy of this software and associated documentation files (the
13 # "Software"), to deal in the Software without restriction, including
14 # without limitation the rights to use, copy, modify, merge, publish,
15 # distribute, sub license, and/or sell copies of the Software, and to
16 # permit persons to whom the Software is furnished to do so, subject to
17 # the following conditions:
18 #
19 # The above copyright notice and this permission notice (including the
20 # next paragraph) shall be included in all copies or substantial portions
21 # of the Software.
22 #
23 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
24 # OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
25 # MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
26 # IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
27 # ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
28 # TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
29 # SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
30 #
31
32 from __future__ import print_function
33
34 import distutils.version
35 import os
36 import os.path
37 import re
38 import subprocess
39 import platform as host_platform
40 import sys
41 import tempfile
42
43 import SCons.Action
44 import SCons.Builder
45 import SCons.Scanner
46
47
48 def symlink(target, source, env):
49 target = str(target[0])
50 source = str(source[0])
51 if os.path.islink(target) or os.path.exists(target):
52 os.remove(target)
53 os.symlink(os.path.basename(source), target)
54
55 def install(env, source, subdir):
56 target_dir = os.path.join(env.Dir('#.').srcnode().abspath, env['build_dir'], subdir)
57 return env.Install(target_dir, source)
58
59 def install_program(env, source):
60 return install(env, source, 'bin')
61
62 def install_shared_library(env, sources, version = ()):
63 targets = []
64 install_dir = os.path.join(env.Dir('#.').srcnode().abspath, env['build_dir'])
65 version = tuple(map(str, version))
66 if env['SHLIBSUFFIX'] == '.dll':
67 dlls = env.FindIxes(sources, 'SHLIBPREFIX', 'SHLIBSUFFIX')
68 targets += install(env, dlls, 'bin')
69 libs = env.FindIxes(sources, 'LIBPREFIX', 'LIBSUFFIX')
70 targets += install(env, libs, 'lib')
71 else:
72 for source in sources:
73 target_dir = os.path.join(install_dir, 'lib')
74 target_name = '.'.join((str(source),) + version)
75 last = env.InstallAs(os.path.join(target_dir, target_name), source)
76 targets += last
77 while len(version):
78 version = version[:-1]
79 target_name = '.'.join((str(source),) + version)
80 action = SCons.Action.Action(symlink, " Symlinking $TARGET ...")
81 last = env.Command(os.path.join(target_dir, target_name), last, action)
82 targets += last
83 return targets
84
85
86 def msvc2013_compat(env):
87 if env['gcc']:
88 env.Append(CCFLAGS = [
89 '-Werror=vla',
90 '-Werror=pointer-arith',
91 ])
92
93
94 def unit_test(env, test_name, program_target, args=None):
95 env.InstallProgram(program_target)
96
97 cmd = [program_target[0].abspath]
98 if args is not None:
99 cmd += args
100 cmd = ' '.join(cmd)
101
102 # http://www.scons.org/wiki/UnitTests
103 action = SCons.Action.Action(cmd, " Running $SOURCE ...")
104 alias = env.Alias(test_name, program_target, action)
105 env.AlwaysBuild(alias)
106 env.Depends('check', alias)
107
108
109 def num_jobs():
110 try:
111 return int(os.environ['NUMBER_OF_PROCESSORS'])
112 except (ValueError, KeyError):
113 pass
114
115 try:
116 return os.sysconf('SC_NPROCESSORS_ONLN')
117 except (ValueError, OSError, AttributeError):
118 pass
119
120 try:
121 return int(os.popen2("sysctl -n hw.ncpu")[1].read())
122 except ValueError:
123 pass
124
125 return 1
126
127
128 def check_cc(env, cc, expr, cpp_opt = '-E'):
129 # Invoke C-preprocessor to determine whether the specified expression is
130 # true or not.
131
132 sys.stdout.write('Checking for %s ... ' % cc)
133
134 source = tempfile.NamedTemporaryFile(suffix='.c', delete=False)
135 source.write(('#if !(%s)\n#error\n#endif\n' % expr).encode())
136 source.close()
137
138 # sys.stderr.write('%r %s %s\n' % (env['CC'], cpp_opt, source.name));
139
140 pipe = SCons.Action._subproc(env, env.Split(env['CC']) + [cpp_opt, source.name],
141 stdin = 'devnull',
142 stderr = 'devnull',
143 stdout = 'devnull')
144 result = pipe.wait() == 0
145
146 os.unlink(source.name)
147
148 sys.stdout.write(' %s\n' % ['no', 'yes'][int(bool(result))])
149 return result
150
151 def check_header(env, header):
152 '''Check if the header exist'''
153
154 conf = SCons.Script.Configure(env)
155 have_header = False
156
157 if conf.CheckHeader(header):
158 have_header = True
159
160 env = conf.Finish()
161 return have_header
162
163 def check_functions(env, functions):
164 '''Check if all of the functions exist'''
165
166 conf = SCons.Script.Configure(env)
167 have_functions = True
168
169 for function in functions:
170 if not conf.CheckFunc(function):
171 have_functions = False
172
173 env = conf.Finish()
174 return have_functions
175
176 def check_prog(env, prog):
177 """Check whether this program exists."""
178
179 sys.stdout.write('Checking for %s ... ' % prog)
180
181 result = env.Detect(prog)
182
183 sys.stdout.write(' %s\n' % ['no', 'yes'][int(bool(result))])
184 return result
185
186
187 def generate(env):
188 """Common environment generation code"""
189
190 # Tell tools which machine to compile for
191 env['TARGET_ARCH'] = env['machine']
192 env['MSVS_ARCH'] = env['machine']
193
194 # Toolchain
195 platform = env['platform']
196 env.Tool(env['toolchain'])
197
198 # Allow override compiler and specify additional flags from environment
199 if 'CC' in os.environ:
200 env['CC'] = os.environ['CC']
201 if 'CFLAGS' in os.environ:
202 env['CCFLAGS'] += SCons.Util.CLVar(os.environ['CFLAGS'])
203 if 'CXX' in os.environ:
204 env['CXX'] = os.environ['CXX']
205 if 'CXXFLAGS' in os.environ:
206 env['CXXFLAGS'] += SCons.Util.CLVar(os.environ['CXXFLAGS'])
207 if 'LDFLAGS' in os.environ:
208 env['LINKFLAGS'] += SCons.Util.CLVar(os.environ['LDFLAGS'])
209
210 # Detect gcc/clang not by executable name, but through pre-defined macros
211 # as autoconf does, to avoid drawing wrong conclusions when using tools
212 # that overrice CC/CXX like scan-build.
213 env['gcc_compat'] = 0
214 env['clang'] = 0
215 env['msvc'] = 0
216 if host_platform.system() == 'Windows':
217 env['msvc'] = check_cc(env, 'MSVC', 'defined(_MSC_VER)', '/E')
218 if not env['msvc']:
219 env['gcc_compat'] = check_cc(env, 'GCC', 'defined(__GNUC__)')
220 env['clang'] = check_cc(env, 'Clang', '__clang__')
221 env['gcc'] = env['gcc_compat'] and not env['clang']
222 env['suncc'] = env['platform'] == 'sunos' and os.path.basename(env['CC']) == 'cc'
223 env['icc'] = 'icc' == os.path.basename(env['CC'])
224
225 # shortcuts
226 machine = env['machine']
227 platform = env['platform']
228 x86 = env['machine'] == 'x86'
229 ppc = env['machine'] == 'ppc'
230 gcc_compat = env['gcc_compat']
231 msvc = env['msvc']
232 suncc = env['suncc']
233 icc = env['icc']
234
235 # Determine whether we are cross compiling; in particular, whether we need
236 # to compile code generators with a different compiler as the target code.
237 hosthost_platform = host_platform.system().lower()
238 if hosthost_platform.startswith('cygwin'):
239 hosthost_platform = 'cygwin'
240 # Avoid spurious crosscompilation in MSYS2 environment.
241 if hosthost_platform.startswith('mingw'):
242 hosthost_platform = 'windows'
243 host_machine = os.environ.get('PROCESSOR_ARCHITEW6432', os.environ.get('PROCESSOR_ARCHITECTURE', host_platform.machine()))
244 host_machine = {
245 'x86': 'x86',
246 'i386': 'x86',
247 'i486': 'x86',
248 'i586': 'x86',
249 'i686': 'x86',
250 'ppc' : 'ppc',
251 'AMD64': 'x86_64',
252 'x86_64': 'x86_64',
253 }.get(host_machine, 'generic')
254 env['crosscompile'] = platform != hosthost_platform
255 if machine == 'x86_64' and host_machine != 'x86_64':
256 env['crosscompile'] = True
257 env['hostonly'] = False
258
259 # Backwards compatability with the debug= profile= options
260 if env['build'] == 'debug':
261 if not env['debug']:
262 print('scons: warning: debug option is deprecated and will be removed eventually; use instead')
263 print('')
264 print(' scons build=release')
265 print('')
266 env['build'] = 'release'
267 if env['profile']:
268 print('scons: warning: profile option is deprecated and will be removed eventually; use instead')
269 print('')
270 print(' scons build=profile')
271 print('')
272 env['build'] = 'profile'
273 if False:
274 # Enforce SConscripts to use the new build variable
275 env.popitem('debug')
276 env.popitem('profile')
277 else:
278 # Backwards portability with older sconscripts
279 if env['build'] in ('debug', 'checked'):
280 env['debug'] = True
281 env['profile'] = False
282 if env['build'] == 'profile':
283 env['debug'] = False
284 env['profile'] = True
285 if env['build'] == 'release':
286 env['debug'] = False
287 env['profile'] = False
288
289 # Put build output in a separate dir, which depends on the current
290 # configuration. See also http://www.scons.org/wiki/AdvancedBuildExample
291 build_topdir = 'build'
292 build_subdir = env['platform']
293 if env['embedded']:
294 build_subdir = 'embedded-' + build_subdir
295 if env['machine'] != 'generic':
296 build_subdir += '-' + env['machine']
297 if env['build'] != 'release':
298 build_subdir += '-' + env['build']
299 build_dir = os.path.join(build_topdir, build_subdir)
300 # Place the .sconsign file in the build dir too, to avoid issues with
301 # different scons versions building the same source file
302 env['build_dir'] = build_dir
303 env.SConsignFile(os.path.join(build_dir, '.sconsign'))
304 if 'SCONS_CACHE_DIR' in os.environ:
305 print('scons: Using build cache in %s.' % (os.environ['SCONS_CACHE_DIR'],))
306 env.CacheDir(os.environ['SCONS_CACHE_DIR'])
307 env['CONFIGUREDIR'] = os.path.join(build_dir, 'conf')
308 env['CONFIGURELOG'] = os.path.join(os.path.abspath(build_dir), 'config.log')
309
310 # Parallel build
311 if env.GetOption('num_jobs') <= 1:
312 env.SetOption('num_jobs', num_jobs())
313
314 # Speed up dependency checking. See
315 # - https://github.com/SCons/scons/wiki/GoFastButton
316 # - https://bugs.freedesktop.org/show_bug.cgi?id=109443
317
318 # Scons version string has consistently been in this format:
319 # MajorVersion.MinorVersion.Patch[.alpha/beta.yyyymmdd]
320 # so this formula should cover all versions regardless of type
321 # stable, alpha or beta.
322 # For simplicity alpha and beta flags are removed.
323
324 scons_version = distutils.version.StrictVersion('.'.join(SCons.__version__.split('.')[:3]))
325 if scons_version < distutils.version.StrictVersion('3.0.2') or \
326 scons_version > distutils.version.StrictVersion('3.0.4'):
327 env.Decider('MD5-timestamp')
328 env.SetOption('max_drift', 60)
329
330 # C preprocessor options
331 cppdefines = []
332 cppdefines += [
333 '__STDC_CONSTANT_MACROS',
334 '__STDC_FORMAT_MACROS',
335 '__STDC_LIMIT_MACROS',
336 'HAVE_SCONS',
337 ]
338 if env['build'] in ('debug', 'checked'):
339 cppdefines += ['DEBUG']
340 else:
341 cppdefines += ['NDEBUG']
342 if env['build'] == 'profile':
343 cppdefines += ['PROFILE']
344 if env['platform'] in ('posix', 'linux', 'freebsd', 'darwin'):
345 cppdefines += [
346 '_POSIX_SOURCE',
347 ('_POSIX_C_SOURCE', '199309L'),
348 '_SVID_SOURCE',
349 '_BSD_SOURCE',
350 '_GNU_SOURCE',
351 '_DEFAULT_SOURCE',
352 ]
353 if env['platform'] == 'darwin':
354 cppdefines += [
355 '_DARWIN_C_SOURCE',
356 'GLX_USE_APPLEGL',
357 'GLX_DIRECT_RENDERING',
358 'BUILDING_MESA',
359 ]
360 else:
361 cppdefines += [
362 'GLX_DIRECT_RENDERING',
363 'GLX_INDIRECT_RENDERING',
364 ]
365
366 if check_header(env, 'xlocale.h'):
367 cppdefines += ['HAVE_XLOCALE_H']
368
369 if check_header(env, 'endian.h'):
370 cppdefines += ['HAVE_ENDIAN_H']
371
372 if check_functions(env, ['strtod_l', 'strtof_l']):
373 cppdefines += ['HAVE_STRTOD_L']
374
375 if check_functions(env, ['random_r']):
376 cppdefines += ['HAVE_RANDOM_R']
377
378 if check_functions(env, ['timespec_get']):
379 cppdefines += ['HAVE_TIMESPEC_GET']
380
381 if check_header(env, 'sys/shm.h'):
382 cppdefines += ['HAVE_SYS_SHM_H']
383
384 if check_functions(env, ['strtok_r']):
385 cppdefines += ['HAVE_STRTOK_R']
386
387 #FIXME: we should really be checking for the major()/minor()
388 # functions/macros in these headers, but check_functions()'s
389 # SConf.CheckFunc() doesn't seem to support macros.
390 if check_header(env, 'sys/mkdev.h'):
391 cppdefines += ['MAJOR_IN_MKDEV']
392 if check_header(env, 'sys/sysmacros.h'):
393 cppdefines += ['MAJOR_IN_SYSMACROS']
394
395 if platform == 'windows':
396 cppdefines += [
397 'WIN32',
398 '_WINDOWS',
399 #'_UNICODE',
400 #'UNICODE',
401 # http://msdn.microsoft.com/en-us/library/aa383745.aspx
402 ('_WIN32_WINNT', '0x0601'),
403 ('WINVER', '0x0601'),
404 ]
405 if gcc_compat:
406 cppdefines += [('__MSVCRT_VERSION__', '0x0700')]
407 if msvc:
408 cppdefines += [
409 'VC_EXTRALEAN',
410 '_USE_MATH_DEFINES',
411 '_CRT_SECURE_NO_WARNINGS',
412 '_CRT_SECURE_NO_DEPRECATE',
413 '_SCL_SECURE_NO_WARNINGS',
414 '_SCL_SECURE_NO_DEPRECATE',
415 '_ALLOW_KEYWORD_MACROS',
416 '_HAS_EXCEPTIONS=0', # Tell C++ STL to not use exceptions
417 ]
418 if env['build'] in ('debug', 'checked'):
419 cppdefines += ['_DEBUG']
420 if env['embedded']:
421 cppdefines += ['EMBEDDED_DEVICE']
422 env.Append(CPPDEFINES = cppdefines)
423
424 # C compiler options
425 cflags = [] # C
426 cxxflags = [] # C++
427 ccflags = [] # C & C++
428 if gcc_compat:
429 if env['build'] == 'debug':
430 ccflags += ['-O0']
431 else:
432 ccflags += ['-O3']
433 if env['gcc']:
434 # gcc's builtin memcmp is slower than glibc's
435 # http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43052
436 ccflags += ['-fno-builtin-memcmp']
437 # Work around aliasing bugs - developers should comment this out
438 ccflags += ['-fno-strict-aliasing']
439 ccflags += ['-g']
440 if env['build'] in ('checked', 'profile') or env['asan']:
441 # See http://code.google.com/p/jrfonseca/wiki/Gprof2Dot#Which_options_should_I_pass_to_gcc_when_compiling_for_profiling?
442 ccflags += [
443 '-fno-omit-frame-pointer',
444 ]
445 if env['gcc']:
446 ccflags += ['-fno-optimize-sibling-calls']
447 if env['machine'] == 'x86':
448 ccflags += [
449 '-m32',
450 #'-march=pentium4',
451 ]
452 if platform != 'haiku':
453 # NOTE: We need to ensure stack is realigned given that we
454 # produce shared objects, and have no control over the stack
455 # alignment policy of the application. Therefore we need
456 # -mstackrealign ore -mincoming-stack-boundary=2.
457 #
458 # XXX: We could have SSE without -mstackrealign if we always used
459 # __attribute__((force_align_arg_pointer)), but that's not
460 # always the case.
461 ccflags += [
462 '-mstackrealign', # ensure stack is aligned
463 '-msse', '-msse2', # enable SIMD intrinsics
464 '-mfpmath=sse', # generate SSE floating-point arithmetic
465 ]
466 if platform in ['windows', 'darwin']:
467 # Workaround http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37216
468 ccflags += ['-fno-common']
469 if platform in ['haiku']:
470 # Make optimizations compatible with Pentium or higher on Haiku
471 ccflags += [
472 '-mstackrealign', # ensure stack is aligned
473 '-march=i586', # Haiku target is Pentium
474 '-mtune=i686' # use i686 where we can
475 ]
476 if env['machine'] == 'x86_64':
477 ccflags += ['-m64']
478 if platform == 'darwin':
479 ccflags += ['-fno-common']
480 if env['platform'] not in ('cygwin', 'haiku', 'windows'):
481 ccflags += ['-fvisibility=hidden']
482 # See also:
483 # - http://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html
484 ccflags += [
485 '-Wall',
486 '-Wno-long-long',
487 '-fmessage-length=0', # be nice to Eclipse
488 ]
489 cflags += [
490 '-Werror=implicit-function-declaration',
491 '-Werror=missing-prototypes',
492 '-Werror=return-type',
493 '-Werror=incompatible-pointer-types',
494 ]
495 if platform == 'darwin' and host_platform.mac_ver()[0] >= '10.15':
496 cflags += ['-std=gnu11']
497 else:
498 cflags += ['-std=gnu99']
499 if icc:
500 cflags += [
501 '-std=gnu99',
502 ]
503 if msvc:
504 # See also:
505 # - http://msdn.microsoft.com/en-us/library/19z1t1wy.aspx
506 # - cl /?
507 if env['build'] == 'debug':
508 ccflags += [
509 '/Od', # disable optimizations
510 '/Oi', # enable intrinsic functions
511 ]
512 else:
513 ccflags += [
514 '/O2', # optimize for speed
515 ]
516 if env['build'] == 'release':
517 if not env['clang']:
518 ccflags += [
519 '/GL', # enable whole program optimization
520 ]
521 else:
522 ccflags += [
523 '/Oy-', # disable frame pointer omission
524 ]
525 ccflags += [
526 '/W3', # warning level
527 '/wd4018', # signed/unsigned mismatch
528 '/wd4056', # overflow in floating-point constant arithmetic
529 '/wd4244', # conversion from 'type1' to 'type2', possible loss of data
530 '/wd4267', # 'var' : conversion from 'size_t' to 'type', possible loss of data
531 '/wd4305', # truncation from 'type1' to 'type2'
532 '/wd4351', # new behavior: elements of array 'array' will be default initialized
533 '/wd4756', # overflow in constant arithmetic
534 '/wd4800', # forcing value to bool 'true' or 'false' (performance warning)
535 '/wd4996', # disable deprecated POSIX name warnings
536 ]
537 if env['clang']:
538 ccflags += [
539 '-Wno-microsoft-enum-value', # enumerator value is not representable in underlying type 'int'
540 ]
541 if env['machine'] == 'x86':
542 ccflags += [
543 '/arch:SSE2', # use the SSE2 instructions (default since MSVC 2012)
544 ]
545 if platform == 'windows':
546 ccflags += [
547 # TODO
548 ]
549 # Automatic pdb generation
550 # See http://scons.tigris.org/issues/show_bug.cgi?id=1656
551 env.EnsureSConsVersion(0, 98, 0)
552 env['PDB'] = '${TARGET.base}.pdb'
553 env.Append(CCFLAGS = ccflags)
554 env.Append(CFLAGS = cflags)
555 env.Append(CXXFLAGS = cxxflags)
556
557 if env['platform'] == 'windows' and msvc:
558 # Choose the appropriate MSVC CRT
559 # http://msdn.microsoft.com/en-us/library/2kzt1wy3.aspx
560 if env['build'] in ('debug', 'checked'):
561 env.Append(CCFLAGS = ['/MTd'])
562 env.Append(SHCCFLAGS = ['/LDd'])
563 else:
564 env.Append(CCFLAGS = ['/MT'])
565 env.Append(SHCCFLAGS = ['/LD'])
566
567 # Static code analysis
568 if env['analyze']:
569 if env['msvc']:
570 # http://msdn.microsoft.com/en-us/library/ms173498.aspx
571 env.Append(CCFLAGS = [
572 '/analyze',
573 #'/analyze:log', '${TARGET.base}.xml',
574 '/wd28251', # Inconsistent annotation for function
575 ])
576 if env['clang']:
577 # scan-build will produce more comprehensive output
578 env.Append(CCFLAGS = ['--analyze'])
579
580 # https://github.com/google/sanitizers/wiki/AddressSanitizer
581 if env['asan']:
582 if gcc_compat:
583 env.Append(CCFLAGS = [
584 '-fsanitize=address',
585 ])
586 env.Append(LINKFLAGS = [
587 '-fsanitize=address',
588 ])
589
590 # Assembler options
591 if gcc_compat:
592 if env['machine'] == 'x86':
593 env.Append(ASFLAGS = ['-m32'])
594 if env['machine'] == 'x86_64':
595 env.Append(ASFLAGS = ['-m64'])
596
597 # Linker options
598 linkflags = []
599 shlinkflags = []
600 if gcc_compat:
601 if env['machine'] == 'x86':
602 linkflags += ['-m32']
603 if env['machine'] == 'x86_64':
604 linkflags += ['-m64']
605 if env['platform'] not in ('darwin'):
606 shlinkflags += [
607 '-Wl,-Bsymbolic',
608 ]
609 # Handle circular dependencies in the libraries
610 if env['platform'] in ('darwin'):
611 pass
612 else:
613 env['_LIBFLAGS'] = '-Wl,--start-group ' + env['_LIBFLAGS'] + ' -Wl,--end-group'
614 if env['platform'] == 'windows':
615 linkflags += [
616 '-Wl,--nxcompat', # DEP
617 '-Wl,--dynamicbase', # ASLR
618 ]
619 # Avoid depending on gcc runtime DLLs
620 linkflags += ['-static-libgcc']
621 if 'w64' in env['CC'].split('-'):
622 linkflags += ['-static-libstdc++']
623 # Handle the @xx symbol munging of DLL exports
624 shlinkflags += ['-Wl,--enable-stdcall-fixup']
625 #shlinkflags += ['-Wl,--kill-at']
626 if msvc:
627 if env['build'] == 'release' and not env['clang']:
628 # enable Link-time Code Generation
629 linkflags += ['/LTCG']
630 env.Append(ARFLAGS = ['/LTCG'])
631 if platform == 'windows' and msvc:
632 # See also:
633 # - http://msdn2.microsoft.com/en-us/library/y0zzbyt4.aspx
634 linkflags += [
635 '/fixed:no',
636 '/incremental:no',
637 '/dynamicbase', # ASLR
638 '/nxcompat', # DEP
639 ]
640 env.Append(LINKFLAGS = linkflags)
641 env.Append(SHLINKFLAGS = shlinkflags)
642
643 # We have C++ in several libraries, so always link with the C++ compiler
644 if gcc_compat:
645 env['LINK'] = env['CXX']
646
647 # Default libs
648 libs = []
649 if env['platform'] in ('darwin', 'freebsd', 'linux', 'posix', 'sunos'):
650 libs += ['m', 'pthread', 'dl']
651 if env['platform'] in ('linux',):
652 libs += ['rt']
653 if env['platform'] in ('haiku'):
654 libs += ['root', 'be', 'network', 'translation']
655 env.Append(LIBS = libs)
656
657 # OpenMP
658 if env['openmp']:
659 if env['msvc']:
660 env.Append(CCFLAGS = ['/openmp'])
661 # When building openmp release VS2008 link.exe crashes with LNK1103 error.
662 # Workaround: overwrite PDB flags with empty value as it isn't required anyways
663 if env['build'] == 'release':
664 env['PDB'] = ''
665 if env['gcc']:
666 env.Append(CCFLAGS = ['-fopenmp'])
667 env.Append(LIBS = ['gomp'])
668
669 # Load tools
670 env.Tool('lex')
671 if env['msvc']:
672 env.Append(LEXFLAGS = [
673 # Force flex to use const keyword in prototypes, as relies on
674 # __cplusplus or __STDC__ macro to determine whether it's safe to
675 # use const keyword, but MSVC never defines __STDC__ unless we
676 # disable all MSVC extensions.
677 '-DYY_USE_CONST=',
678 ])
679 # Flex relies on __STDC_VERSION__>=199901L to decide when to include
680 # C99 inttypes.h. We always have inttypes.h available with MSVC
681 # (either the one bundled with MSVC 2013, or the one we bundle
682 # ourselves), but we can't just define __STDC_VERSION__ without
683 # breaking stuff, as MSVC doesn't fully support C99. There's also no
684 # way to premptively include stdint.
685 env.Append(CCFLAGS = ['-FIinttypes.h'])
686 if host_platform.system() == 'Windows':
687 # Prefer winflexbison binaries, as not only they are easier to install
688 # (no additional dependencies), but also better Windows support.
689 if check_prog(env, 'win_flex'):
690 env["LEX"] = 'win_flex'
691 env.Append(LEXFLAGS = [
692 # windows compatibility (uses <io.h> instead of <unistd.h> and
693 # _isatty, _fileno functions)
694 '--wincompat'
695 ])
696
697 env.Tool('yacc')
698 if host_platform.system() == 'Windows':
699 if check_prog(env, 'win_bison'):
700 env["YACC"] = 'win_bison'
701
702 if env['llvm']:
703 env.Tool('llvm')
704
705 # Custom builders and methods
706 env.Tool('custom')
707 env.AddMethod(install_program, 'InstallProgram')
708 env.AddMethod(install_shared_library, 'InstallSharedLibrary')
709 env.AddMethod(msvc2013_compat, 'MSVC2013Compat')
710 env.AddMethod(unit_test, 'UnitTest')
711
712 env.PkgCheckModules('X11', ['x11', 'xext', 'xdamage >= 1.1', 'xfixes', 'glproto >= 1.4.13', 'dri2proto >= 2.8'])
713 env.PkgCheckModules('XCB', ['x11-xcb', 'xcb-glx >= 1.8.1', 'xcb-dri2 >= 1.8'])
714 env.PkgCheckModules('XF86VIDMODE', ['xxf86vm'])
715 env.PkgCheckModules('DRM', ['libdrm >= 2.4.75'])
716
717 if not os.path.exists("src/util/format_srgb.c"):
718 print("Checking for Python Mako module (>= 0.8.0)... ", end='')
719 try:
720 import mako
721 except ImportError:
722 print("no")
723 exit(1)
724 if distutils.version.StrictVersion(mako.__version__) < distutils.version.StrictVersion('0.8.0'):
725 print("no")
726 exit(1)
727 print("yes")
728
729 if env['x11']:
730 env.Append(CPPPATH = env['X11_CPPPATH'])
731
732 env['dri'] = env['x11'] and env['drm']
733
734 # for debugging
735 #print env.Dump()
736
737
738 def exists(env):
739 return 1