172 lines
6.6 KiB
Python
172 lines
6.6 KiB
Python
Help('''
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Type 'scons' to build and run all the available test cases.
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It will automatically detect your platform and C compiler and
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build appropriately.
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You can modify the behavious using following options:
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CC Name of C compiler
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CXX Name of C++ compiler
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CCFLAGS Flags to pass to the C compiler
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CXXFLAGS Flags to pass to the C++ compiler
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For example, for a clang build, use:
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scons CC=clang CXX=clang++
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''')
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import os
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env = Environment(ENV = os.environ, tools = ['default', 'nanopb'])
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# Limit memory usage. This is to catch problems like issue #338
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try:
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import resource
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soft, hard = resource.getrlimit(resourse.RLIMIT_AS)
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resource.setrlimit(resource.RLIMIT_AS, (100*1024*1024, hard))
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except:
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pass
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# Allow overriding the compiler with scons CC=???
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if 'CC' in ARGUMENTS: env.Replace(CC = ARGUMENTS['CC'])
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if 'CXX' in ARGUMENTS: env.Replace(CXX = ARGUMENTS['CXX'])
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if 'CCFLAGS' in ARGUMENTS: env.Append(CCFLAGS = ARGUMENTS['CCFLAGS'])
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if 'CXXFLAGS' in ARGUMENTS: env.Append(CXXFLAGS = ARGUMENTS['CXXFLAGS'])
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# Add the builders defined in site_init.py
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add_nanopb_builders(env)
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# Path to the files shared by tests, and to the nanopb core.
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env.Append(CPPPATH = ["#../", "$COMMON"])
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# Path for finding nanopb.proto
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env.Append(PROTOCPATH = '#../generator')
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# Check the compilation environment, unless we are just cleaning up.
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if not env.GetOption('clean'):
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def check_ccflags(context, flags, linkflags = ''):
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'''Check if given CCFLAGS are supported'''
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context.Message('Checking support for CCFLAGS="%s"... ' % flags)
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oldflags = context.env['CCFLAGS']
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oldlinkflags = context.env['CCFLAGS']
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context.env.Append(CCFLAGS = flags)
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context.env.Append(LINKFLAGS = linkflags)
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result = context.TryCompile("int main() {return 0;}", '.c')
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context.env.Replace(CCFLAGS = oldflags)
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context.env.Replace(LINKFLAGS = oldlinkflags)
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context.Result(result)
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return result
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conf = Configure(env, custom_tests = {'CheckCCFLAGS': check_ccflags})
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# If the platform doesn't support C99, use our own header file instead.
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stdbool = conf.CheckCHeader('stdbool.h')
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stdint = conf.CheckCHeader('stdint.h')
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stddef = conf.CheckCHeader('stddef.h')
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string = conf.CheckCHeader('string.h')
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stdlib = conf.CheckCHeader('stdlib.h')
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if not stdbool or not stdint or not stddef or not string:
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conf.env.Append(CPPDEFINES = {'PB_SYSTEM_HEADER': '\\"pb_syshdr.h\\"'})
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conf.env.Append(CPPPATH = "#../extra")
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conf.env.Append(SYSHDR = '\\"pb_syshdr.h\\"')
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if stdbool: conf.env.Append(CPPDEFINES = {'HAVE_STDBOOL_H': 1})
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if stdint: conf.env.Append(CPPDEFINES = {'HAVE_STDINT_H': 1})
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if stddef: conf.env.Append(CPPDEFINES = {'HAVE_STDDEF_H': 1})
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if string: conf.env.Append(CPPDEFINES = {'HAVE_STRING_H': 1})
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if stdlib: conf.env.Append(CPPDEFINES = {'HAVE_STDLIB_H': 1})
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# Check if we can use pkg-config to find protobuf include path
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status, output = conf.TryAction('pkg-config protobuf --variable=includedir > $TARGET')
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if status:
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conf.env.Append(PROTOCPATH = output.strip())
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else:
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conf.env.Append(PROTOCPATH = '/usr/include')
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# Check protoc version
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status, output = conf.TryAction('$PROTOC --version > $TARGET')
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if status:
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conf.env['PROTOC_VERSION'] = output
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# Check if libmudflap is available (only with GCC)
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if 'gcc' in env['CC']:
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if conf.CheckLib('mudflap'):
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conf.env.Append(CCFLAGS = '-fmudflap')
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conf.env.Append(LINKFLAGS = '-fmudflap')
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# Check if we can use extra strict warning flags (only with GCC)
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extra = '-Wcast-qual -Wlogical-op -Wconversion'
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extra += ' -fstrict-aliasing -Wstrict-aliasing=1'
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extra += ' -Wmissing-prototypes -Wmissing-declarations -Wredundant-decls'
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extra += ' -Wstack-protector '
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if 'gcc' in env['CC']:
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if conf.CheckCCFLAGS(extra):
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conf.env.Append(CORECFLAGS = extra)
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# Check if we can use undefined behaviour sanitizer (only with clang)
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# TODO: Fuzz test triggers the bool sanitizer, figure out whether to
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# modify the fuzz test or to keep ignoring the check.
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extra = '-fsanitize=undefined,integer -fno-sanitize-recover=undefined,integer '
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if 'clang' in env['CC']:
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if conf.CheckCCFLAGS(extra, linkflags = extra):
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conf.env.Append(CORECFLAGS = extra)
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conf.env.Append(LINKFLAGS = extra)
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# End the config stuff
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env = conf.Finish()
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# Initialize the CCFLAGS according to the compiler
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if 'gcc' in env['CC']:
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# GNU Compiler Collection
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# Debug info, warnings as errors
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env.Append(CFLAGS = '-ansi -pedantic -g -Wall -Werror -fprofile-arcs -ftest-coverage ')
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env.Append(CORECFLAGS = '-Wextra')
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env.Append(LINKFLAGS = '-g --coverage')
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# We currently need uint64_t anyway, even though ANSI C90 otherwise..
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env.Append(CFLAGS = '-Wno-long-long')
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elif 'clang' in env['CC']:
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# CLang
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env.Append(CFLAGS = '-ansi -g -Wall -Werror')
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env.Append(CORECFLAGS = ' -Wextra -Wcast-qual -Wconversion')
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elif 'cl' in env['CC']:
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# Microsoft Visual C++
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# Debug info on, warning level 2 for tests, warnings as errors
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env.Append(CFLAGS = '/Zi /W2 /WX')
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env.Append(LINKFLAGS = '/DEBUG')
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# More strict checks on the nanopb core
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env.Append(CORECFLAGS = '/W4')
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# Disable warning about sizeof(union{}) construct that is used in
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# message size macros, in e.g. multiple_files testcase. The C construct
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# itself is valid, but quite rare, which causes Visual C++ to give a warning
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# about it.
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env.Append(CFLAGS = '/wd4116')
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elif 'tcc' in env['CC']:
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# Tiny C Compiler
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env.Append(CFLAGS = '-Wall -Werror -g')
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env.SetDefault(CORECFLAGS = '')
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if 'clang' in env['CXX']:
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env.Append(CXXFLAGS = '-g -Wall -Werror -Wextra -Wno-missing-field-initializers')
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elif 'g++' in env['CXX'] or 'gcc' in env['CXX']:
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env.Append(CXXFLAGS = '-g -Wall -Werror -Wextra -Wno-missing-field-initializers')
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elif 'cl' in env['CXX']:
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env.Append(CXXFLAGS = '/Zi /W2 /WX /wd4116')
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# Now include the SConscript files from all subdirectories
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import os.path
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env['VARIANT_DIR'] = 'build'
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env['BUILD'] = '#' + env['VARIANT_DIR']
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env['COMMON'] = '#' + env['VARIANT_DIR'] + '/common'
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# Include common/SConscript first to make sure its exports are available
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# to other SConscripts.
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SConscript("common/SConscript", exports = 'env', variant_dir = env['VARIANT_DIR'] + '/common')
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for subdir in Glob('*/SConscript') + Glob('regression/*/SConscript'):
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if str(subdir).startswith("common"): continue
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SConscript(subdir, exports = 'env', variant_dir = env['VARIANT_DIR'] + '/' + os.path.dirname(str(subdir)))
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