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steve-osteve-o
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Updates for OSX 10.15, GCC rules on casting, and similar minor variants.
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‎openpgm/pgm/SConstruct.OSX1015

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# -*- mode: python -*-
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# OpenPGM build script
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import platform
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import os
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import time
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import sys
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EnsureSConsVersion( 1, 0 )
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SConsignFile('scons.signatures' + '-' + platform.system() + '-' + platform.machine());
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vars = Variables()
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vars.AddVariables (
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EnumVariable ('BUILD', 'build environment', 'debug',
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allowed_values=('release', 'debug', 'profile')),
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EnumVariable ('BRANCH', 'branch prediction', 'none',
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allowed_values=('none', 'profile', 'seed')),
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EnumVariable ('WITH_GETTEXT', 'l10n support via libintl', 'false',
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allowed_values=('true', 'false')),
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EnumVariable ('WITH_GLIB', 'Build GLib dependent modules', 'false',
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allowed_values=('true', 'false')),
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EnumVariable ('COVERAGE', 'test coverage', 'none',
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allowed_values=('none', 'full')),
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EnumVariable ('WITH_HISTOGRAMS', 'Runtime statistical information', 'true',
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allowed_values=('true', 'false')),
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EnumVariable ('WITH_HTTP', 'HTTP administration', 'false',
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allowed_values=('true', 'false')),
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EnumVariable ('WITH_SNMP', 'SNMP administration', 'false',
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allowed_values=('true', 'false')),
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EnumVariable ('WITH_CHECK', 'Check test system', 'false',
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allowed_values=('true', 'false')),
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EnumVariable ('WITH_TEST', 'Network test system', 'false',
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allowed_values=('true', 'false')),
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EnumVariable ('WITH_CC', 'C++ examples', 'false',
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allowed_values=('true', 'false')),
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EnumVariable ('WITH_EXAMPLES', 'Examples', 'true',
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allowed_values=('true', 'false')),
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EnumVariable ('WITH_NCURSES', 'NCURSES examples', 'false',
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allowed_values=('true', 'false')),
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EnumVariable ('WITH_PROTOBUF', 'Google Protocol Buffer examples', 'false',
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allowed_values=('true', 'false')),
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)
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#-----------------------------------------------------------------------------
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# Platform specifics
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env = Environment(
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variables = vars,
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ENV = os.environ,
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CCFLAGS = [ '-pipe',
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'-Wall',
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'-Wextra',
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'-Wfloat-equal',
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'-Wshadow',
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'-Wpointer-arith',
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'-Wbad-function-cast',
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'-Wcast-qual',
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'-Wcast-align',
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'-Wwrite-strings',
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'-Waggregate-return',
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'-Wstrict-prototypes',
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'-Wold-style-definition',
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'-Wmissing-prototypes',
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'-Wmissing-declarations',
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'-Wmissing-noreturn',
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'-Wmissing-format-attribute',
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'-Wredundant-decls',
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'-Wnested-externs',
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# '-Winline',
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'-Wno-inline',
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'-Wno-unused-function',
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'-Wno-cast-align',
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'-Wno-keyword-macro',
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'-Wno-unused-parameter',
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'-Wno-unused-value',
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'-pedantic',
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# Native arch
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'-march=native',
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# C99
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'-std=gnu99',
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# re-entrant libc
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'-D_REENTRANT',
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# POSIX spinlocks
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# '-DHAVE_PTHREAD_SPINLOCK',
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# NSS protocol lookup
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# '-DHAVE_GETPROTOBYNAME_R',
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# '-DGETPROTOBYNAME_R_STRUCT_PROTOENT_P',
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# NSS networks lookup, IPv4 only
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'-DHAVE_GETNETENT',
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# variadic macros
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'-DHAVE_ISO_VARARGS',
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# '-DHAVE_GNUC_VARARGS',
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# stack memory api header
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# '-DHAVE_ALLOCA_H',
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# useful /proc system
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# '-DHAVE_PROC_CPUINFO',
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# example: crash handling
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# '-DHAVE_BACKTRACE',
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# timing
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'-DHAVE_FTIME',
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'-DHAVE_GETTIMEOFDAY',
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'-DHAVE_CLOCKGETTIME',
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'-DHAVE_PSELECT',
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# '-DHAVE_DEV_RTC',
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# '-DHAVE_RDTSC',
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# '-DHAVE_DEV_HPET',
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# event handling
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'-DHAVE_POLL',
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# '-DHAVE_EPOLL_CTL',
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# interface enumeration
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'-DHAVE_GETIFADDRS',
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'-DHAVE_STRUCT_IFADDRS_IFR_NETMASK',
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# win32 cmsg
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# '-DHAVE_WSACMSGHDR',
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# multicast
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# '-DHAVE_STRUCT_GROUP_REQ',
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# '-DHAVE_STRUCT_IP_MREQN',
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# __msfilterreq: private; do not use it from user applications.
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# '-DHAVE_STRUCT_IP_MSFILTER',
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# sprintf
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'-DHAVE_SPRINTF_GROUPING',
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'-DHAVE_VASPRINTF',
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# symbol linking scope
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'-DHAVE_DSO_VISIBILITY',
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# socket binding
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'-DUSE_BIND_INADDR_ANY',
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# IPv6 socket options
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'-D__APPLE_USE_RFC_3542',
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# IP header order as per IP(4) on FreeBSD
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'-DHAVE_HOST_ORDER_IP_LEN',
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'-DHAVE_HOST_ORDER_IP_OFF',
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# ticket based spinlocks
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'-DUSE_TICKET_SPINLOCK',
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# dumb read-write spinlock
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'-DUSE_DUMB_RWSPINLOCK',
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# optimum galois field multiplication
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'-DUSE_GALOIS_MUL_LUT',
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# GNU getopt
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'-DHAVE_GETOPT'
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],
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LINKFLAGS = [ '-pipe'
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],
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LIBS = [
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# histogram math
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'm',
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# POSIX threads
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'pthread'
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],
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PROTOBUF_CCFLAGS = '-I/usr/local/include/google/protobuf',
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PROTOBUF_LIBS = '/usr/local/lib/libprotobuf.a',
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PROTOBUF_PROTOC = 'protoc'
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)
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# Branch prediction
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if env['BRANCH'] == 'profile':
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env.Append(CCFLAGS = '-fprofile-arcs')
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env.Append(LINKFLAGS = '-fprofile-arcs')
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elif env['BRANCH'] == 'seed':
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env.Append(CCFLAGS = '-fbranch-probabilities')
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# Coverage analysis
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if env['COVERAGE'] == 'full':
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env.Append(CCFLAGS = '-fprofile-arcs')
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env.Append(CCFLAGS = '-ftest-coverage')
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env.Append(LINKFLAGS = '-fprofile-arcs')
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env.Append(LINKFLAGS = '-lgcov')
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# Define separate build environments
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release = env.Clone(BUILD = 'release')
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release.Append(CCFLAGS = '-O2')
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debug = env.Clone(BUILD = 'debug')
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# OSX gcc does not understand gdb flag as it is actually llvm
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debug.Append(CCFLAGS = ['-DPGM_DEBUG', '-g'], LINKFLAGS = '-g')
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profile = env.Clone(BUILD = 'profile')
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profile.Append(CCFLAGS = ['-O2','-pg'], LINKFLAGS = '-pg')
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thirtytwo = release.Clone(BUILD = 'thirtytwo')
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thirtytwo.Append(CCFLAGS = '-m32', LINKFLAGS = '-m32')
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# choose and environment to build
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if env['BUILD'] == 'release':
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Export({'env':release})
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elif env['BUILD'] == 'profile':
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Export({'env':profile})
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elif env['BUILD'] == 'thirtytwo':
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Export({'env':thirtytwo})
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else:
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Export({'env':debug})
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#-----------------------------------------------------------------------------
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# Re-analyse dependencies
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Import('env')
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# vanilla environment
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if env['WITH_GLIB'] == 'true':
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# You may need to add -I${includedir} to Cflags in glib-2.0.pc for gi18n-lib
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env['GLIB_FLAGS'] = env.ParseFlags('!pkg-config --cflags --libs glib-2.0 gthread-2.0');
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else:
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env['GLIB_FLAGS'] = '';
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# l10n
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if env['WITH_GETTEXT'] == 'true':
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env.Append(CCFLAGS = '-DHAVE_GETTEXT');
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# instrumentation
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if env['WITH_HTTP'] == 'true' and env['WITH_HISTOGRAMS'] == 'true':
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env.Append(CCFLAGS = '-DUSE_HISTOGRAMS');
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# managed environment for libpgmsnmp, libpgmhttp
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if env['WITH_SNMP'] == 'true':
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env['SNMP_FLAGS'] = env.ParseFlags('!net-snmp-config --cflags --agent-libs');
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def restore_env(env, backup):
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for var in backup.keys():
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env[var] = backup[var];
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def CheckSNMP(context):
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context.Message('Checking Net-SNMP...');
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# backup = context.env.Clone().Dictionary();
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lastASFLAGS = context.env.get('ASFLAGS', '');
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lastCCFLAGS = context.env.get('CCFLAGS', '');
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lastCFLAGS = context.env.get('CFLAGS', '');
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lastCPPDEFINES = context.env.get('CPPDEFINES', '');
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lastCPPFLAGS = context.env.get('CPPFLAGS', '');
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lastCPPPATH = context.env.get('CPPPATH', '');
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lastLIBPATH = context.env.get('LIBPATH', '');
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lastLIBS = context.env.get('LIBS', '');
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lastLINKFLAGS = context.env.get('LINKFLAGS', '');
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lastRPATH = context.env.get('RPATH', '');
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context.env.MergeFlags(env['SNMP_FLAGS']);
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result = context.TryLink("""
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int main(int argc, char**argv)
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{
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init_agent("PGM");
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return 0;
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}
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""", '.c');
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# context.env.Replace(**backup);
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context.env.Replace(ASFLAGS = lastASFLAGS,
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CCFLAGS = lastCCFLAGS,
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CFLAGS = lastCFLAGS,
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CPPDEFINES = lastCPPDEFINES,
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CPPFLAGS = lastCPPFLAGS,
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CPPPATH = lastCPPPATH,
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LIBPATH = lastLIBPATH,
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LIBS = lastLIBS,
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LINKFLAGS = lastLINKFLAGS,
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RPATH = lastRPATH);
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context.Result(not result);
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return result;
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def CheckCheck(context):
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context.Message('Checking Check unit test framework...');
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result = context.TryAction('pkg-config --cflags --libs check')[0];
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context.Result(result);
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return result;
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def CheckEventFD(context):
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context.Message('Checking eventfd...');
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result = context.TryLink("""
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#include <sys/eventfd.h>
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int main(int argc, char**argv)
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{
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eventfd(0,0);
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return 0;
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}
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""", '.c')
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context.Result(result);
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return result;
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tests = {
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'CheckCheck': CheckCheck,
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'CheckEventFD': CheckEventFD
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}
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if env['WITH_SNMP'] == 'true':
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tests['CheckSNMP'] = CheckSNMP;
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conf = Configure(env, custom_tests = tests);
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if env['WITH_SNMP'] == 'true' and not conf.CheckSNMP():
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print 'Net-SNMP libraries not compatible.';
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Exit(1);
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if env['WITH_CHECK'] == 'true' and conf.CheckCheck():
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print 'Enabling Check unit tests.';
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conf.env['CHECK'] = 'true';
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env['CHECK_FLAGS'] = env.ParseFlags('!pkg-config --cflags --libs check');
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else:
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print 'Disabling Check unit tests.';
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conf.env['CHECK'] = 'false';
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if conf.CheckEventFD():
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print 'Enabling kernel eventfd notification mechanism.';
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conf.env.Append(CCFLAGS = '-DHAVE_EVENTFD');
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env = conf.Finish();
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# add builder to create PIC static libraries for including in shared libraries
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action_list = [ Action("$ARCOM", "$ARCOMSTR") ];
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if env.Detect('ranlib'):
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ranlib_action = Action("$RANLIBCOM", "$RANLIBCOMSTR");
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action_list.append(ranlib_action);
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pic_lib = Builder( action = action_list,
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emitter = '$LIBEMITTER',
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prefix = '$LIBPREFIX',
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suffix = '$LIBSUFFIX',
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src_suffix = '$OBJSUFFIX',
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src_builder = 'SharedObject')
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env.Append(BUILDERS = {'StaticSharedLibrary': pic_lib});
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#-----------------------------------------------------------------------------
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ref_node = 'ref/' + env['BUILD'] + '-' + platform.system() + '-' + platform.machine() + '/';
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BuildDir(ref_node, '.', duplicate=0)
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env.Append(CPPPATH = os.getcwd() + '/include');
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env.Append(LIBPATH = os.getcwd() + '/' + ref_node);
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if env['WITH_GLIB'] == 'true':
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SConscript(ref_node + 'SConscript.libpgmex');
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SConscript(ref_node + 'SConscript.libpgm');
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if env['WITH_HTTP'] == 'true':
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SConscript(ref_node + 'SConscript.libpgmhttp');
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if env['WITH_SNMP'] == 'true':
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SConscript(ref_node + 'SConscript.libpgmsnmp');
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if env['WITH_TEST'] == 'true':
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SConscript(ref_node + 'test/SConscript');
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if env['WITH_EXAMPLES'] == 'true':
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SConscript(ref_node + 'examples/SConscript');
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# end of file

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