1 Help(''' 2 Type 'scons' to build and run all the available test cases. 3 It will automatically detect your platform and C compiler and 4 build appropriately. 5 6 You can modify the behavious using following options: 7 CC Name of C compiler 8 CXX Name of C++ compiler 9 CCFLAGS Flags to pass to the C compiler 10 CXXFLAGS Flags to pass to the C++ compiler 11 12 For example, for a clang build, use: 13 scons CC=clang CXX=clang++ 14 ''') 15 16 import os 17 env = Environment(ENV = os.environ, tools = ['default', 'nanopb']) 18 19 # Allow overriding the compiler with scons CC=??? 20 if 'CC' in ARGUMENTS: env.Replace(CC = ARGUMENTS['CC']) 21 if 'CXX' in ARGUMENTS: env.Replace(CXX = ARGUMENTS['CXX']) 22 if 'CCFLAGS' in ARGUMENTS: env.Append(CCFLAGS = ARGUMENTS['CCFLAGS']) 23 if 'CXXFLAGS' in ARGUMENTS: env.Append(CXXFLAGS = ARGUMENTS['CXXFLAGS']) 24 25 # Add the builders defined in site_init.py 26 add_nanopb_builders(env) 27 28 # Path to the files shared by tests, and to the nanopb core. 29 env.Append(CPPPATH = ["#../", "$COMMON"]) 30 31 # Path for finding nanopb.proto 32 env.Append(PROTOCPATH = '#../generator') 33 34 # Check the compilation environment, unless we are just cleaning up. 35 if not env.GetOption('clean'): 36 def check_ccflags(context, flags, linkflags = ''): 37 '''Check if given CCFLAGS are supported''' 38 context.Message('Checking support for CCFLAGS="%s"... ' % flags) 39 oldflags = context.env['CCFLAGS'] 40 oldlinkflags = context.env['CCFLAGS'] 41 context.env.Append(CCFLAGS = flags) 42 context.env.Append(LINKFLAGS = linkflags) 43 result = context.TryCompile("int main() {return 0;}", '.c') 44 context.env.Replace(CCFLAGS = oldflags) 45 context.env.Replace(LINKFLAGS = oldlinkflags) 46 context.Result(result) 47 return result 48 49 conf = Configure(env, custom_tests = {'CheckCCFLAGS': check_ccflags}) 50 51 # If the platform doesn't support C99, use our own header file instead. 52 stdbool = conf.CheckCHeader('stdbool.h') 53 stdint = conf.CheckCHeader('stdint.h') 54 stddef = conf.CheckCHeader('stddef.h') 55 string = conf.CheckCHeader('string.h') 56 stdlib = conf.CheckCHeader('stdlib.h') 57 if not stdbool or not stdint or not stddef or not string: 58 conf.env.Append(CPPDEFINES = {'PB_SYSTEM_HEADER': '\\"pb_syshdr.h\\"'}) 59 conf.env.Append(CPPPATH = "#../extra") 60 conf.env.Append(SYSHDR = '\\"pb_syshdr.h\\"') 61 62 if stdbool: conf.env.Append(CPPDEFINES = {'HAVE_STDBOOL_H': 1}) 63 if stdint: conf.env.Append(CPPDEFINES = {'HAVE_STDINT_H': 1}) 64 if stddef: conf.env.Append(CPPDEFINES = {'HAVE_STDDEF_H': 1}) 65 if string: conf.env.Append(CPPDEFINES = {'HAVE_STRING_H': 1}) 66 if stdlib: conf.env.Append(CPPDEFINES = {'HAVE_STDLIB_H': 1}) 67 68 # Check if we can use pkg-config to find protobuf include path 69 status, output = conf.TryAction('pkg-config protobuf --variable=includedir > $TARGET') 70 if status: 71 conf.env.Append(PROTOCPATH = output.strip()) 72 else: 73 conf.env.Append(PROTOCPATH = '/usr/include') 74 75 # Check protoc version 76 status, output = conf.TryAction('$PROTOC --version > $TARGET') 77 if status: 78 conf.env['PROTOC_VERSION'] = output 79 80 # Check if libmudflap is available (only with GCC) 81 if 'gcc' in env['CC']: 82 if conf.CheckLib('mudflap'): 83 conf.env.Append(CCFLAGS = '-fmudflap') 84 conf.env.Append(LINKFLAGS = '-fmudflap') 85 86 # Check if we can use extra strict warning flags (only with GCC) 87 extra = '-Wcast-qual -Wlogical-op -Wconversion' 88 extra += ' -fstrict-aliasing -Wstrict-aliasing=1' 89 extra += ' -Wmissing-prototypes -Wmissing-declarations -Wredundant-decls' 90 extra += ' -Wstack-protector ' 91 if 'gcc' in env['CC']: 92 if conf.CheckCCFLAGS(extra): 93 conf.env.Append(CORECFLAGS = extra) 94 95 # Check if we can use undefined behaviour sanitizer (only with clang) 96 # TODO: Fuzz test triggers the bool sanitizer, figure out whether to 97 # modify the fuzz test or to keep ignoring the check. 98 extra = '-fsanitize=undefined,integer -fno-sanitize-recover=undefined,integer -fsanitize-recover=bool ' 99 if 'clang' in env['CC']: 100 if conf.CheckCCFLAGS(extra, linkflags = extra): 101 conf.env.Append(CORECFLAGS = extra) 102 conf.env.Append(LINKFLAGS = extra) 103 104 # End the config stuff 105 env = conf.Finish() 106 107 # Initialize the CCFLAGS according to the compiler 108 if 'gcc' in env['CC']: 109 # GNU Compiler Collection 110 111 # Debug info, warnings as errors 112 env.Append(CFLAGS = '-ansi -pedantic -g -Wall -Werror -fprofile-arcs -ftest-coverage ') 113 env.Append(CORECFLAGS = '-Wextra') 114 env.Append(LINKFLAGS = '-g --coverage') 115 116 # We currently need uint64_t anyway, even though ANSI C90 otherwise.. 117 env.Append(CFLAGS = '-Wno-long-long') 118 elif 'clang' in env['CC']: 119 # CLang 120 env.Append(CFLAGS = '-ansi -g -Wall -Werror') 121 env.Append(CORECFLAGS = ' -Wextra -Wcast-qual -Wconversion') 122 elif 'cl' in env['CC']: 123 # Microsoft Visual C++ 124 125 # Debug info on, warning level 2 for tests, warnings as errors 126 env.Append(CFLAGS = '/Zi /W2 /WX') 127 env.Append(LINKFLAGS = '/DEBUG') 128 129 # More strict checks on the nanopb core 130 env.Append(CORECFLAGS = '/W4') 131 elif 'tcc' in env['CC']: 132 # Tiny C Compiler 133 env.Append(CFLAGS = '-Wall -Werror -g') 134 135 env.SetDefault(CORECFLAGS = '') 136 137 if 'clang' in env['CXX']: 138 env.Append(CXXFLAGS = '-g -Wall -Werror -Wextra -Wno-missing-field-initializers') 139 elif 'g++' in env['CXX'] or 'gcc' in env['CXX']: 140 env.Append(CXXFLAGS = '-g -Wall -Werror -Wextra -Wno-missing-field-initializers') 141 elif 'cl' in env['CXX']: 142 env.Append(CXXFLAGS = '/Zi /W2 /WX') 143 144 # Now include the SConscript files from all subdirectories 145 import os.path 146 env['VARIANT_DIR'] = 'build' 147 env['BUILD'] = '#' + env['VARIANT_DIR'] 148 env['COMMON'] = '#' + env['VARIANT_DIR'] + '/common' 149 150 # Include common/SConscript first to make sure its exports are available 151 # to other SConscripts. 152 SConscript("common/SConscript", exports = 'env', variant_dir = env['VARIANT_DIR'] + '/common') 153 154 for subdir in Glob('*/SConscript') + Glob('regression/*/SConscript'): 155 if str(subdir).startswith("common"): continue 156 SConscript(subdir, exports = 'env', variant_dir = env['VARIANT_DIR'] + '/' + os.path.dirname(str(subdir))) 157 158
