+Help('''
+Type 'scons' to build and run all the available test cases.
+It will automatically detect your platform and C compiler and
+build appropriately.
+
+You can modify the behavious using following options:
+CC Name of C compiler
+CXX Name of C++ compiler
+CCFLAGS Flags to pass to the C compiler
+CXXFLAGS Flags to pass to the C++ compiler
+
+For example, for a clang build, use:
+scons CC=clang CXX=clang++
+''')
+
import os
-env = Environment(ENV = {'PATH': os.environ['PATH']})
+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'])
# 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")
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:
conf.env.Append(PROTOCPATH = output.strip())
else:
conf.env.Append(PROTOCPATH = '/usr/include')
-
+
+ # 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)
+ 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()
# Initialize the CCFLAGS according to the compiler
-if 'cl' in env['CC']:
+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 -fstack-protector-all')
+ 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(CCFLAGS = '/Zi /W2 /WX')
+ env.Append(CFLAGS = '/Zi /W2 /WX')
env.Append(LINKFLAGS = '/DEBUG')
- # PB_RETURN_ERROR triggers C4127 because of while(0)
- env.Append(CCFLAGS = '/wd4127')
-
+ # 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 -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'
+for subdir in Glob('*/SConscript'):
+ SConscript(subdir, exports = 'env', variant_dir = env['VARIANT_DIR'] + '/' + os.path.dirname(str(subdir)))