SConstruct (10878:0e466ba12a99) SConstruct (10881:133d8bb2024f)
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

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814# add the new swig scanner that we like better
815from SCons.Scanner import ClassicCPP as CPPScanner
816swig_inc_re = '^[ \t]*[%,#][ \t]*(?:include|import)[ \t]*(<|")([^>"]+)(>|")'
817scanners.append(CPPScanner("SwigScan", [ ".i" ], "CPPPATH", swig_inc_re))
818
819# replace the scanners list that has what we want
820main['SCANNERS'] = scanners
821
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

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814# add the new swig scanner that we like better
815from SCons.Scanner import ClassicCPP as CPPScanner
816swig_inc_re = '^[ \t]*[%,#][ \t]*(?:include|import)[ \t]*(<|")([^>"]+)(>|")'
817scanners.append(CPPScanner("SwigScan", [ ".i" ], "CPPPATH", swig_inc_re))
818
819# replace the scanners list that has what we want
820main['SCANNERS'] = scanners
821
822# Add a custom Check function to the Configure context so that we can
823# figure out if the compiler adds leading underscores to global
824# variables. This is needed for the autogenerated asm files that we
825# use for embedding the python code.
826def CheckLeading(context):
827 context.Message("Checking for leading underscore in global variables...")
828 # 1) Define a global variable called x from asm so the C compiler
829 # won't change the symbol at all.
830 # 2) Declare that variable.
831 # 3) Use the variable
832 #
833 # If the compiler prepends an underscore, this will successfully
834 # link because the external symbol 'x' will be called '_x' which
835 # was defined by the asm statement. If the compiler does not
836 # prepend an underscore, this will not successfully link because
837 # '_x' will have been defined by assembly, while the C portion of
838 # the code will be trying to use 'x'
839 ret = context.TryLink('''
840 asm(".globl _x; _x: .byte 0");
841 extern int x;
842 int main() { return x; }
843 ''', extension=".c")
844 context.env.Append(LEADING_UNDERSCORE=ret)
845 context.Result(ret)
846 return ret
847
848# Add a custom Check function to test for structure members.
849def CheckMember(context, include, decl, member, include_quotes="<>"):
850 context.Message("Checking for member %s in %s..." %
851 (member, decl))
852 text = """
853#include %(header)s
854int main(){
855 %(decl)s test;

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866 return ret
867
868# Platform-specific configuration. Note again that we assume that all
869# builds under a given build root run on the same host platform.
870conf = Configure(main,
871 conf_dir = joinpath(build_root, '.scons_config'),
872 log_file = joinpath(build_root, 'scons_config.log'),
873 custom_tests = {
822# Add a custom Check function to test for structure members.
823def CheckMember(context, include, decl, member, include_quotes="<>"):
824 context.Message("Checking for member %s in %s..." %
825 (member, decl))
826 text = """
827#include %(header)s
828int main(){
829 %(decl)s test;

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840 return ret
841
842# Platform-specific configuration. Note again that we assume that all
843# builds under a given build root run on the same host platform.
844conf = Configure(main,
845 conf_dir = joinpath(build_root, '.scons_config'),
846 log_file = joinpath(build_root, 'scons_config.log'),
847 custom_tests = {
874 'CheckLeading' : CheckLeading,
875 'CheckMember' : CheckMember,
876 })
877
848 'CheckMember' : CheckMember,
849 })
850
878# Check for leading underscores. Don't really need to worry either
879# way so don't need to check the return code.
880conf.CheckLeading()
881
882# Check if we should compile a 64 bit binary on Mac OS X/Darwin
883try:
884 import platform
885 uname = platform.uname()
886 if uname[0] == 'Darwin' and compareVersions(uname[2], '9.0.0') >= 0:
887 if int(readCommand('sysctl -n hw.cpu64bit_capable')[0]):
888 main.Append(CCFLAGS=['-arch', 'x86_64'])
889 main.Append(CFLAGS=['-arch', 'x86_64'])

--- 545 unchanged lines hidden --- 		851# Check if we should compile a 64 bit binary on Mac OS X/Darwin
852try:
853 import platform
854 uname = platform.uname()
855 if uname[0] == 'Darwin' and compareVersions(uname[2], '9.0.0') >= 0:
856 if int(readCommand('sysctl -n hw.cpu64bit_capable')[0]):
857 main.Append(CCFLAGS=['-arch', 'x86_64'])
858 main.Append(CFLAGS=['-arch', 'x86_64'])

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