"""
#
-# Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas.
+# Copyright 2008 VMware, Inc.
# All Rights Reserved.
#
# Permission is hereby granted, free of charge, to any person obtaining a
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
# OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
-# IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
+# IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
# ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
# TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
# SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
import re
import subprocess
import platform as _platform
+import sys
+import tempfile
import SCons.Action
import SCons.Builder
return 1
+def check_cc(env, cc, expr, cpp_opt = '-E'):
+ # Invoke C-preprocessor to determine whether the specified expression is
+ # true or not.
+
+ sys.stdout.write('Checking for %s ... ' % cc)
+
+ source = tempfile.NamedTemporaryFile(suffix='.c', delete=False)
+ source.write('#if !(%s)\n#error\n#endif\n' % expr)
+ source.close()
+
+ pipe = SCons.Action._subproc(env, [env['CC'], cpp_opt, source.name],
+ stdin = 'devnull',
+ stderr = 'devnull',
+ stdout = 'devnull')
+ result = pipe.wait() == 0
+
+ os.unlink(source.name)
+
+ sys.stdout.write(' %s\n' % ['no', 'yes'][int(bool(result))])
+ return result
+
+
def generate(env):
"""Common environment generation code"""
if os.environ.has_key('LDFLAGS'):
env['LINKFLAGS'] += SCons.Util.CLVar(os.environ['LDFLAGS'])
- env['gcc'] = 'gcc' in os.path.basename(env['CC']).split('-')
- env['msvc'] = env['CC'] == 'cl'
+ # Detect gcc/clang not by executable name, but through pre-defined macros
+ # as autoconf does, to avoid drawing wrong conclusions when using tools
+ # that overrice CC/CXX like scan-build.
+ env['gcc'] = 0
+ env['clang'] = 0
+ env['msvc'] = 0
+ if _platform.system() == 'Windows':
+ env['msvc'] = check_cc(env, 'MSVC', 'defined(_MSC_VER)', '/E')
+ if not env['msvc']:
+ env['gcc'] = check_cc(env, 'GCC', 'defined(__GNUC__) && !defined(__clang__)')
+ env['clang'] = check_cc(env, 'Clang', '__clang__')
env['suncc'] = env['platform'] == 'sunos' and os.path.basename(env['CC']) == 'cc'
- env['clang'] = env['CC'] == 'clang'
env['icc'] = 'icc' == os.path.basename(env['CC'])
if env['msvc'] and env['toolchain'] == 'default' and env['machine'] == 'x86_64':
platform = env['platform']
x86 = env['machine'] == 'x86'
ppc = env['machine'] == 'ppc'
- gcc = env['gcc']
+ gcc_compat = env['gcc'] or env['clang']
msvc = env['msvc']
suncc = env['suncc']
icc = env['icc']
'_SVID_SOURCE',
'_BSD_SOURCE',
'_GNU_SOURCE',
- 'PTHREADS',
+ 'HAVE_PTHREAD',
'HAVE_POSIX_MEMALIGN',
]
if env['platform'] == 'darwin':
cppdefines += ['HAVE_ALIAS']
else:
cppdefines += ['GLX_ALIAS_UNSUPPORTED']
+ if env['platform'] == 'haiku':
+ cppdefines += [
+ 'HAVE_PTHREAD',
+ 'HAVE_POSIX_MEMALIGN'
+ ]
if platform == 'windows':
cppdefines += [
'WIN32',
('_WIN32_WINNT', '0x0601'),
('WINVER', '0x0601'),
]
- if gcc:
+ if gcc_compat:
cppdefines += [('__MSVCRT_VERSION__', '0x0700')]
if msvc:
cppdefines += [
'_CRT_SECURE_NO_DEPRECATE',
'_SCL_SECURE_NO_WARNINGS',
'_SCL_SECURE_NO_DEPRECATE',
+ '_ALLOW_KEYWORD_MACROS',
]
if env['build'] in ('debug', 'checked'):
cppdefines += ['_DEBUG']
if platform == 'windows':
cppdefines += ['PIPE_SUBSYSTEM_WINDOWS_USER']
- if platform == 'haiku':
- cppdefines += ['BEOS_THREADS']
if env['embedded']:
cppdefines += ['PIPE_SUBSYSTEM_EMBEDDED']
+ if env['texture_float']:
+ print 'warning: Floating-point textures enabled.'
+ print 'warning: Please consult docs/patents.txt with your lawyer before building Mesa.'
+ cppdefines += ['TEXTURE_FLOAT_ENABLED']
env.Append(CPPDEFINES = cppdefines)
# C compiler options
cflags = [] # C
cxxflags = [] # C++
ccflags = [] # C & C++
- if gcc:
+ if gcc_compat:
ccversion = env['CCVERSION']
if env['build'] == 'debug':
ccflags += ['-O0']
- elif ccversion.startswith('4.2.'):
+ elif env['gcc'] and ccversion.startswith('4.2.'):
# gcc 4.2.x optimizer is broken
print "warning: gcc 4.2.x optimizer is broken -- disabling optimizations"
ccflags += ['-O0']
else:
ccflags += ['-O3']
- # gcc's builtin memcmp is slower than glibc's
- # http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43052
- ccflags += ['-fno-builtin-memcmp']
+ if env['gcc']:
+ # gcc's builtin memcmp is slower than glibc's
+ # http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43052
+ ccflags += ['-fno-builtin-memcmp']
# Work around aliasing bugs - developers should comment this out
ccflags += ['-fno-strict-aliasing']
ccflags += ['-g']
# See http://code.google.com/p/jrfonseca/wiki/Gprof2Dot#Which_options_should_I_pass_to_gcc_when_compiling_for_profiling?
ccflags += [
'-fno-omit-frame-pointer',
- '-fno-optimize-sibling-calls',
]
+ if env['gcc']:
+ ccflags += ['-fno-optimize-sibling-calls']
if env['machine'] == 'x86':
ccflags += [
'-m32',
ccflags += [
'-mstackrealign', # ensure stack is aligned
'-march=i586', # Haiku target is Pentium
- '-mtune=i686', # use i686 where we can
- '-mmmx' # use mmx math where we can
+ '-mtune=i686' # use i686 where we can
]
if env['machine'] == 'x86_64':
ccflags += ['-m64']
if platform == 'darwin':
ccflags += ['-fno-common']
- if env['platform'] not in ('windows', 'haiku'):
+ if env['platform'] not in ('cygwin', 'haiku', 'windows'):
ccflags += ['-fvisibility=hidden']
# See also:
# - http://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html
# See also:
# - http://msdn.microsoft.com/en-us/library/19z1t1wy.aspx
# - cl /?
+ if 'MSVC_VERSION' not in env or distutils.version.LooseVersion(env['MSVC_VERSION']) < distutils.version.LooseVersion('12.0'):
+ # Use bundled stdbool.h and stdint.h headers for older MSVC
+ # versions. stdint.h was introduced in MSVC 2010, but stdbool.h
+ # was only introduced in MSVC 2013.
+ top_dir = os.path.abspath(os.path.join(os.path.dirname(__file__), '..'))
+ env.Append(CPPPATH = [os.path.join(top_dir, 'include/c99')])
if env['build'] == 'debug':
ccflags += [
'/Od', # disable optimizations
'/Oi', # enable intrinsic functions
- '/Oy-', # disable frame pointer omission
]
else:
+ if 'MSVC_VERSION' in env and distutils.version.LooseVersion(env['MSVC_VERSION']) < distutils.version.LooseVersion('11.0'):
+ print 'scons: warning: Visual Studio versions prior to 2012 are known to produce incorrect code when optimizations are enabled ( https://bugs.freedesktop.org/show_bug.cgi?id=58718 )'
ccflags += [
'/O2', # optimize for speed
]
]
else:
ccflags += [
+ '/Oy-', # disable frame pointer omission
'/GL-', # disable whole program optimization
]
ccflags += [
'/W3', # warning level
- #'/Wp64', # enable 64 bit porting warnings
+ '/wd4244', # conversion from 'type1' to 'type2', possible loss of data
+ '/wd4305', # truncation from 'type1' to 'type2'
+ '/wd4800', # forcing value to bool 'true' or 'false' (performance warning)
'/wd4996', # disable deprecated POSIX name warnings
]
if env['machine'] == 'x86':
env.Append(CCFLAGS = ['/MT'])
env.Append(SHCCFLAGS = ['/LD'])
+ # Static code analysis
+ if env['analyze']:
+ if env['msvc']:
+ # http://msdn.microsoft.com/en-us/library/ms173498.aspx
+ env.Append(CCFLAGS = [
+ '/analyze',
+ #'/analyze:log', '${TARGET.base}.xml',
+ ])
+ if env['clang']:
+ # scan-build will produce more comprehensive output
+ env.Append(CCFLAGS = ['--analyze'])
+
# Assembler options
- if gcc:
+ if gcc_compat:
if env['machine'] == 'x86':
env.Append(ASFLAGS = ['-m32'])
if env['machine'] == 'x86_64':
# Linker options
linkflags = []
shlinkflags = []
- if gcc:
+ if gcc_compat:
if env['machine'] == 'x86':
linkflags += ['-m32']
if env['machine'] == 'x86_64':
else:
env['_LIBFLAGS'] = '-Wl,--start-group ' + env['_LIBFLAGS'] + ' -Wl,--end-group'
if env['platform'] == 'windows':
+ linkflags += [
+ '-Wl,--nxcompat', # DEP
+ '-Wl,--dynamicbase', # ASLR
+ ]
# Avoid depending on gcc runtime DLLs
linkflags += ['-static-libgcc']
if 'w64' in env['CC'].split('-'):
linkflags += [
'/fixed:no',
'/incremental:no',
+ '/dynamicbase', # ASLR
+ '/nxcompat', # DEP
]
env.Append(LINKFLAGS = linkflags)
env.Append(SHLINKFLAGS = shlinkflags)
# We have C++ in several libraries, so always link with the C++ compiler
- if env['gcc'] or env['clang']:
+ if gcc_compat:
env['LINK'] = env['CXX']
# Default libs
libs = []
- if env['platform'] in ('posix', 'linux', 'freebsd', 'darwin'):
+ if env['platform'] in ('darwin', 'freebsd', 'linux', 'posix', 'sunos'):
libs += ['m', 'pthread', 'dl']
+ if env['platform'] in ('linux',):
+ libs += ['rt']
+ if env['platform'] in ('haiku'):
+ libs += ['root', 'be', 'network', 'translation']
env.Append(LIBS = libs)
# OpenMP
createInstallMethods(env)
env.PkgCheckModules('X11', ['x11', 'xext', 'xdamage', 'xfixes'])
- env.PkgCheckModules('XCB', ['x11-xcb', 'xcb-glx >= 1.8.1'])
+ env.PkgCheckModules('XCB', ['x11-xcb', 'xcb-glx >= 1.8.1', 'xcb-dri2 >= 1.8'])
env.PkgCheckModules('XF86VIDMODE', ['xxf86vm'])
- env.PkgCheckModules('DRM', ['libdrm >= 2.4.24'])
- env.PkgCheckModules('DRM_INTEL', ['libdrm_intel >= 2.4.30'])
- env.PkgCheckModules('DRM_RADEON', ['libdrm_radeon >= 2.4.31'])
- env.PkgCheckModules('XORG', ['xorg-server >= 1.6.0'])
- env.PkgCheckModules('KMS', ['libkms >= 2.4.24'])
- env.PkgCheckModules('UDEV', ['libudev > 150'])
+ env.PkgCheckModules('DRM', ['libdrm >= 2.4.38'])
+ env.PkgCheckModules('UDEV', ['libudev >= 151'])
env['dri'] = env['x11'] and env['drm']