# Check the compilation environment, unless we are just cleaning up.
if not env.GetOption('clean'):
- def check_ccflags(context, flags):
+ 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
if conf.CheckCCFLAGS(extra):
conf.env.Append(CORECFLAGS = extra)
+ # Check if we can use undefined behaviour sanitizer (only with clang)
+ extra = '-fsanitize=undefined '
+ 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(CFLAGS = '-ansi -pedantic -g -Wall -Werror -fprofile-arcs -ftest-coverage -fstack-protector-all')
env.Append(CORECFLAGS = '-Wextra')
- env.Append(LINKFLAGS = '--coverage')
+ env.Append(LINKFLAGS = '-g --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(CFLAGS = '-ansi -g -Wall -Werror')
env.Append(CORECFLAGS = ' -Wextra -Wcast-qual -Wconversion')
elif 'cl' in env['CC']:
# Microsoft Visual C++
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')