''')
import os
-env = Environment(ENV = os.environ)
+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'])
+if 'CCFLAGS' in ARGUMENTS: env.Append(CCFLAGS = ARGUMENTS['CCFLAGS'])
+if 'CXXFLAGS' in ARGUMENTS: env.Append(CXXFLAGS = 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"])
+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'):
- conf = Configure(env)
+ def check_ccflags(context, flags, linkflags = ''):
+ '''Check if given CCFLAGS are supported'''
+ context.Message('Checking support for CCFLAGS="%s"... ' % flags)
+ oldflags = context.env['CCFLAGS']
+ oldlinkflags = context.env['CCFLAGS']
+ context.env.Append(CCFLAGS = flags)
+ context.env.Append(LINKFLAGS = linkflags)
+ result = context.TryCompile("int main() {return 0;}", '.c')
+ context.env.Replace(CCFLAGS = oldflags)
+ context.env.Replace(LINKFLAGS = oldlinkflags)
+ 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')
+ stdlib = conf.CheckCHeader('stdlib.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 = "#../compat")
+ conf.env.Append(CPPPATH = "#../extra")
+ conf.env.Append(SYSHDR = '\\"pb_syshdr.h\\"')
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})
-
+ if stdlib: conf.env.Append(CPPDEFINES = {'HAVE_STDLIB_H': 1})
+
# Check if we can use pkg-config to find protobuf include path
status, output = conf.TryAction('pkg-config protobuf --variable=includedir > $TARGET')
if status:
else:
conf.env.Append(PROTOCPATH = '/usr/include')
+ # Check protoc version
+ status, output = conf.TryAction('$PROTOC --version > $TARGET')
+ if status:
+ conf.env['PROTOC_VERSION'] = output
+
# 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')
+ conf.env.Append(LINKFLAGS = '-fmudflap')
+
+ # Check if we can use extra strict warning flags (only with GCC)
+ extra = '-Wcast-qual -Wlogical-op -Wconversion'
+ extra += ' -fstrict-aliasing -Wstrict-aliasing=1'
+ extra += ' -Wmissing-prototypes -Wmissing-declarations -Wredundant-decls'
+ extra += ' -Wstack-protector '
+ if 'gcc' in env['CC']:
+ if conf.CheckCCFLAGS(extra):
+ conf.env.Append(CORECFLAGS = extra)
+
+ # Check if we can use undefined behaviour sanitizer (only with clang)
+ # TODO: Fuzz test triggers the bool sanitizer, figure out whether to
+ # modify the fuzz test or to keep ignoring the check.
+ extra = '-fsanitize=undefined,integer -fno-sanitize-recover=undefined,integer -fsanitize-recover=bool '
+ if 'clang' in env['CC']:
+ if conf.CheckCCFLAGS(extra, linkflags = extra):
+ conf.env.Append(CORECFLAGS = extra)
+ conf.env.Append(LINKFLAGS = extra)
# End the config stuff
env = conf.Finish()
# GNU Compiler Collection
# Debug info, warnings as errors
- env.Append(CFLAGS = '-ansi -pedantic -g -O0 -Wall -Werror --coverage -fstack-protector-all')
- env.Append(LINKFLAGS = '--coverage')
+ env.Append(CFLAGS = '-ansi -pedantic -g -Wall -Werror -fprofile-arcs -ftest-coverage ')
+ env.Append(CORECFLAGS = '-Wextra')
+ env.Append(LINKFLAGS = '-g --coverage')
# We currently need uint64_t anyway, even though ANSI C90 otherwise..
env.Append(CFLAGS = '-Wno-long-long')
-
- # More strict checks on the nanopb core
- env.Append(CORECFLAGS = '-Wextra -Wcast-qual -Wlogical-op -Wconversion')
- env.Append(CORECFLAGS = ' -Wmissing-prototypes -Wmissing-declarations -Wredundant-decls')
- env.Append(CORECFLAGS = ' -Wstack-protector')
elif 'clang' in env['CC']:
# CLang
- env.Append(CFLAGS = '-ansi -g -O0 -Wall -Werror')
+ env.Append(CFLAGS = '-ansi -g -Wall -Werror')
env.Append(CORECFLAGS = ' -Wextra -Wcast-qual -Wconversion')
elif 'cl' in env['CC']:
# Microsoft Visual C++
# 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')
+if 'clang' in env['CXX']:
+ env.Append(CXXFLAGS = '-g -Wall -Werror -Wextra -Wno-missing-field-initializers')
+elif 'g++' in env['CXX'] or 'gcc' in env['CXX']:
+ env.Append(CXXFLAGS = '-g -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
-SConscript(Glob('*/SConscript'), exports = 'env')
+import os.path
+env['VARIANT_DIR'] = 'build'
+env['BUILD'] = '#' + env['VARIANT_DIR']
+env['COMMON'] = '#' + env['VARIANT_DIR'] + '/common'
+
+# Include common/SConscript first to make sure its exports are available
+# to other SConscripts.
+SConscript("common/SConscript", exports = 'env', variant_dir = env['VARIANT_DIR'] + '/common')
+
+for subdir in Glob('*/SConscript') + Glob('regression/*/SConscript'):
+ if str(subdir).startswith("common"): continue
+ SConscript(subdir, exports = 'env', variant_dir = env['VARIANT_DIR'] + '/' + os.path.dirname(str(subdir)))