''')
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'])
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):
+ '''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')
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()
# 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')
- # More strict checks on the nanopb core
- env.Append(CORECFLAGS = '-Wextra -Wcast-qual -Wlogical-op -Wconversion')
+ # 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 -pedantic -g -O0 -Wall -Werror')
+ env.Append(CFLAGS = '-ansi -g -O0 -Wall -Werror')
env.Append(CORECFLAGS = ' -Wextra -Wcast-qual -Wconversion')
elif 'cl' in env['CC']:
# Microsoft Visual C++
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'
+for subdir in Glob('*/SConscript'):
+ SConscript(subdir, exports = 'env', variant_dir = env['VARIANT_DIR'] + '/' + os.path.dirname(str(subdir)))