Help(''' Type 'scons' to build and run all the available test cases. It will automatically detect your platform and C compiler and build appropriately. You can modify the behavious using following options: CC Name of C compiler CXX Name of C++ compiler CCFLAGS Flags to pass to the C compiler CXXFLAGS Flags to pass to the C++ compiler For example, for a clang build, use: scons CC=clang CXX=clang++ ''') import os env = Environment(ENV = os.environ, tools = ['default', 'nanopb']) # Allow overriding the compiler with scons CC=??? if 'CC' in ARGUMENTS: env.Replace(CC = ARGUMENTS['CC']) if 'CXX' in ARGUMENTS: env.Replace(CXX = ARGUMENTS['CXX']) if 'CFLAGS' in ARGUMENTS: env.Append(CCFLAGS = ARGUMENTS['CFLAGS']) if 'CXXFLAGS' in ARGUMENTS: env.Append(CCFLAGS = ARGUMENTS['CXXFLAGS']) # Add the builders defined in site_init.py add_nanopb_builders(env) # Path to the files shared by tests, and to the nanopb core. env.Append(CPPPATH = ["#../", "$COMMON"]) # Path for finding nanopb.proto env.Append(PROTOCPATH = '#../generator') # Check the compilation environment, unless we are just cleaning up. if not env.GetOption('clean'): def check_ccflags(context, flags): '''Check if given CCFLAGS are supported''' context.Message('Checking support for CCFLAGS="%s"... ' % flags) oldflags = context.env['CCFLAGS'] context.env.Append(CCFLAGS = flags) result = context.TryCompile("int main() {return 0;}", '.c') context.env.Replace(CCFLAGS = oldflags) context.Result(result) return result conf = Configure(env, custom_tests = {'CheckCCFLAGS': check_ccflags}) # If the platform doesn't support C99, use our own header file instead. stdbool = conf.CheckCHeader('stdbool.h') stdint = conf.CheckCHeader('stdint.h') stddef = conf.CheckCHeader('stddef.h') string = conf.CheckCHeader('string.h') if not stdbool or not stdint or not stddef or not string: conf.env.Append(CPPDEFINES = {'PB_SYSTEM_HEADER': '\\"pb_syshdr.h\\"'}) conf.env.Append(CPPPATH = "#../extra") if stdbool: conf.env.Append(CPPDEFINES = {'HAVE_STDBOOL_H': 1}) if stdint: conf.env.Append(CPPDEFINES = {'HAVE_STDINT_H': 1}) if stddef: conf.env.Append(CPPDEFINES = {'HAVE_STDDEF_H': 1}) if string: conf.env.Append(CPPDEFINES = {'HAVE_STRING_H': 1}) # Check if we can use pkg-config to find protobuf include path status, output = conf.TryAction('pkg-config protobuf --variable=includedir > $TARGET') if status: conf.env.Append(PROTOCPATH = output.strip()) else: conf.env.Append(PROTOCPATH = '/usr/include') # Check if libmudflap is available (only with GCC) if 'gcc' in env['CC']: if conf.CheckLib('mudflap'): conf.env.Append(CCFLAGS = '-fmudflap') conf.env.Append(LINKFLAGS = '-lmudflap -fmudflap') # Check if we can use extra strict warning flags (only with GCC) extra = '-Wcast-qual -Wlogical-op -Wconversion' extra += ' -Wmissing-prototypes -Wmissing-declarations -Wredundant-decls' extra += ' -Wstack-protector ' if 'gcc' in env['CC']: if conf.CheckCCFLAGS(extra): conf.env.Append(CORECFLAGS = extra) # End the config stuff env = conf.Finish() # Initialize the CCFLAGS according to the compiler if 'gcc' in env['CC']: # GNU Compiler Collection # Debug info, warnings as errors env.Append(CFLAGS = '-ansi -pedantic -g -O0 -Wall -Werror --coverage -fstack-protector-all') env.Append(CORECFLAGS = '-Wextra') env.Append(LINKFLAGS = '--coverage') # We currently need uint64_t anyway, even though ANSI C90 otherwise.. env.Append(CFLAGS = '-Wno-long-long') elif 'clang' in env['CC']: # CLang env.Append(CFLAGS = '-ansi -g -O0 -Wall -Werror') env.Append(CORECFLAGS = ' -Wextra -Wcast-qual -Wconversion') elif 'cl' in env['CC']: # Microsoft Visual C++ # Debug info on, warning level 2 for tests, warnings as errors env.Append(CFLAGS = '/Zi /W2 /WX') env.Append(LINKFLAGS = '/DEBUG') # More strict checks on the nanopb core env.Append(CORECFLAGS = '/W4') # PB_RETURN_ERROR triggers C4127 because of while(0) env.Append(CFLAGS = '/wd4127') elif 'tcc' in env['CC']: # Tiny C Compiler env.Append(CFLAGS = '-Wall -Werror -g') env.SetDefault(CORECFLAGS = '') if 'clang++' in env['CXX']: env.Append(CXXFLAGS = '-g -O0 -Wall -Werror -Wextra -Wno-missing-field-initializers') elif 'g++' in env['CXX']: env.Append(CXXFLAGS = '-g -O0 -Wall -Werror -Wextra -Wno-missing-field-initializers') elif 'cl' in env['CXX']: env.Append(CXXFLAGS = '/Zi /W2 /WX') # Now include the SConscript files from all subdirectories import os.path env['VARIANT_DIR'] = 'build' env['BUILD'] = '#' + env['VARIANT_DIR'] env['COMMON'] = '#' + env['VARIANT_DIR'] + '/common' for subdir in Glob('*/SConscript'): SConscript(subdir, exports = 'env', variant_dir = env['VARIANT_DIR'] + '/' + os.path.dirname(str(subdir)))