+ # 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 = '-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()
+
+# 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 -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')
+elif 'clang' in env['CC']:
+ # CLang
+ env.Append(CFLAGS = '-ansi -g -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')
+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 -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')