| SConstruct (10866:0421e52a57af) | SConstruct (10878:0e466ba12a99) |
|---|---|
| 1# -*- mode:python -*- 2 3# Copyright (c) 2013, 2015 ARM Limited 4# All rights reserved. 5# 6# The license below extends only to copyright in the software and shall 7# not be construed as granting a license to any other intellectual 8# property including but not limited to intellectual property relating --- 542 unchanged lines hidden (view full) --- 551# Set up default C++ compiler flags 552if main['GCC'] or main['CLANG']: 553 # As gcc and clang share many flags, do the common parts here 554 main.Append(CCFLAGS=['-pipe']) 555 main.Append(CCFLAGS=['-fno-strict-aliasing']) 556 # Enable -Wall and then disable the few warnings that we 557 # consistently violate 558 main.Append(CCFLAGS=['-Wall', '-Wno-sign-compare', '-Wundef']) | 1# -*- mode:python -*- 2 3# Copyright (c) 2013, 2015 ARM Limited 4# All rights reserved. 5# 6# The license below extends only to copyright in the software and shall 7# not be construed as granting a license to any other intellectual 8# property including but not limited to intellectual property relating --- 542 unchanged lines hidden (view full) --- 551# Set up default C++ compiler flags 552if main['GCC'] or main['CLANG']: 553 # As gcc and clang share many flags, do the common parts here 554 main.Append(CCFLAGS=['-pipe']) 555 main.Append(CCFLAGS=['-fno-strict-aliasing']) 556 # Enable -Wall and then disable the few warnings that we 557 # consistently violate 558 main.Append(CCFLAGS=['-Wall', '-Wno-sign-compare', '-Wundef']) |
| 559 # We always compile using C++11, but only gcc >= 4.7 and clang 3.1 560 # actually use that name, so we stick with c++0x 561 main.Append(CXXFLAGS=['-std=c++0x']) | 559 # We always compile using C++11 560 main.Append(CXXFLAGS=['-std=c++11']) |
| 562 # Add selected sanity checks from -Wextra 563 main.Append(CXXFLAGS=['-Wmissing-field-initializers', 564 '-Woverloaded-virtual']) 565else: 566 print termcap.Yellow + termcap.Bold + 'Error' + termcap.Normal, 567 print "Don't know what compiler options to use for your compiler." 568 print termcap.Yellow + ' compiler:' + termcap.Normal, main['CXX'] 569 print termcap.Yellow + ' version:' + termcap.Normal, --- 7 unchanged lines hidden (view full) --- 577 print " environment." 578 print " " 579 print " If you are trying to use a compiler other than those listed" 580 print " above you will need to ease fix SConstruct and " 581 print " src/SConscript to support that compiler." 582 Exit(1) 583 584if main['GCC']: | 561 # Add selected sanity checks from -Wextra 562 main.Append(CXXFLAGS=['-Wmissing-field-initializers', 563 '-Woverloaded-virtual']) 564else: 565 print termcap.Yellow + termcap.Bold + 'Error' + termcap.Normal, 566 print "Don't know what compiler options to use for your compiler." 567 print termcap.Yellow + ' compiler:' + termcap.Normal, main['CXX'] 568 print termcap.Yellow + ' version:' + termcap.Normal, --- 7 unchanged lines hidden (view full) --- 576 print " environment." 577 print " " 578 print " If you are trying to use a compiler other than those listed" 579 print " above you will need to ease fix SConstruct and " 580 print " src/SConscript to support that compiler." 581 Exit(1) 582 583if main['GCC']: |
| 585 # Check for a supported version of gcc. >= 4.6 is chosen for its | 584 # Check for a supported version of gcc. >= 4.7 is chosen for its |
| 586 # level of c++11 support. See | 585 # level of c++11 support. See |
| 587 # http://gcc.gnu.org/projects/cxx0x.html for details. 4.6 is also 588 # the first version with proper LTO support. | 586 # http://gcc.gnu.org/projects/cxx0x.html for details. |
| 589 gcc_version = readCommand([main['CXX'], '-dumpversion'], exception=False) | 587 gcc_version = readCommand([main['CXX'], '-dumpversion'], exception=False) |
| 590 if compareVersions(gcc_version, "4.6") < 0: 591 print 'Error: gcc version 4.6 or newer required.' | 588 if compareVersions(gcc_version, "4.7") < 0: 589 print 'Error: gcc version 4.7 or newer required.' |
| 592 print ' Installed version:', gcc_version 593 Exit(1) 594 595 main['GCC_VERSION'] = gcc_version 596 597 # gcc from version 4.8 and above generates "rep; ret" instructions 598 # to avoid performance penalties on certain AMD chips. Older 599 # assemblers detect this as an error, "Error: expecting string --- 37 unchanged lines hidden (view full) --- 637 # Use the same amount of jobs for LTO as we are running 638 # scons with 639 main['LTO_LDFLAGS'] = ['-flto=%d' % GetOption('num_jobs')] 640 641 main.Append(TCMALLOC_CCFLAGS=['-fno-builtin-malloc', '-fno-builtin-calloc', 642 '-fno-builtin-realloc', '-fno-builtin-free']) 643 644elif main['CLANG']: | 590 print ' Installed version:', gcc_version 591 Exit(1) 592 593 main['GCC_VERSION'] = gcc_version 594 595 # gcc from version 4.8 and above generates "rep; ret" instructions 596 # to avoid performance penalties on certain AMD chips. Older 597 # assemblers detect this as an error, "Error: expecting string --- 37 unchanged lines hidden (view full) --- 635 # Use the same amount of jobs for LTO as we are running 636 # scons with 637 main['LTO_LDFLAGS'] = ['-flto=%d' % GetOption('num_jobs')] 638 639 main.Append(TCMALLOC_CCFLAGS=['-fno-builtin-malloc', '-fno-builtin-calloc', 640 '-fno-builtin-realloc', '-fno-builtin-free']) 641 642elif main['CLANG']: |
| 645 # Check for a supported version of clang, >= 3.0 is needed to 646 # support similar features as gcc 4.6. See | 643 # Check for a supported version of clang, >= 3.1 is needed to 644 # support similar features as gcc 4.7. See |
| 647 # http://clang.llvm.org/cxx_status.html for details 648 clang_version_re = re.compile(".* version (\d+\.\d+)") 649 clang_version_match = clang_version_re.search(CXX_version) 650 if (clang_version_match): 651 clang_version = clang_version_match.groups()[0] | 645 # http://clang.llvm.org/cxx_status.html for details 646 clang_version_re = re.compile(".* version (\d+\.\d+)") 647 clang_version_match = clang_version_re.search(CXX_version) 648 if (clang_version_match): 649 clang_version = clang_version_match.groups()[0] |
| 652 if compareVersions(clang_version, "3.0") < 0: 653 print 'Error: clang version 3.0 or newer required.' | 650 if compareVersions(clang_version, "3.1") < 0: 651 print 'Error: clang version 3.1 or newer required.' |
| 654 print ' Installed version:', clang_version 655 Exit(1) 656 else: 657 print 'Error: Unable to determine clang version.' 658 Exit(1) 659 660 # clang has a few additional warnings that we disable, 661 # tautological comparisons are allowed due to unsigned integers --- 775 unchanged lines hidden --- | 652 print ' Installed version:', clang_version 653 Exit(1) 654 else: 655 print 'Error: Unable to determine clang version.' 656 Exit(1) 657 658 # clang has a few additional warnings that we disable, 659 # tautological comparisons are allowed due to unsigned integers --- 775 unchanged lines hidden --- |