[env] add scons --strict

此commit意图在脚本中增加 scons --strict命令,使用该命令编译工程时,会自动将CFLAGS CXXFLAGS设置为 Werrors,即较为严格的编译模式,任何警告都会当做错误来处理。

该命令主要用于CI,在CI执行bsp编译时,可以使用 scons --strict命令。现在QEMU的rtconfig.py 为了CI检查,直接将CFLAGS加上了Werrors,导致正常编译过程中也把警告当做了错误,对日常使用该bsp造成了影响。
This commit is contained in:
Meco Man 2023-01-12 00:45:02 -05:00 committed by Man, Jianting (Meco)
parent fcf2367966
commit b310541471
3 changed files with 13 additions and 2 deletions

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@ -44,7 +44,7 @@ if PLATFORM == 'gcc':
OBJCPY = PREFIX + 'objcopy'
DEVICE = ' -mcpu=cortex-m4 -mthumb -mfpu=fpv4-sp-d16 -mfloat-abi=hard -ffunction-sections -fdata-sections'
CFLAGS = DEVICE + ' -Dgcc' + ' -Wall -Werror'
CFLAGS = DEVICE + ' -Dgcc' + ' -Wall'
AFLAGS = ' -c' + DEVICE + ' -x assembler-with-cpp -Wa,-mimplicit-it=thumb '
LFLAGS = DEVICE + ' -Wl,--gc-sections,-Map=rtthread.map,-cref,-u,Reset_Handler -T board/linker_scripts/link.lds'

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@ -223,7 +223,7 @@ def PrepareBuilding(env, root_directory, has_libcpu=False, remove_components = [
utils.ReloadModule(rtconfig) # update environment variables to rtconfig.py
# some env variables have loaded in SConsctruct Environment() before re-load rtconfig.py;
# some env variables have loaded in Environment() of SConstruct before re-load rtconfig.py;
# after update rtconfig.py's variables, those env variables need to synchronize
if exec_prefix:
env['CC'] = rtconfig.CC
@ -234,6 +234,12 @@ def PrepareBuilding(env, root_directory, has_libcpu=False, remove_components = [
if exec_path:
env.PrependENVPath('PATH', rtconfig.EXEC_PATH)
if GetOption('strict-compiling'):
STRICT_FLAGS = ''
if rtconfig.PLATFORM in ['gcc']:
STRICT_FLAGS += ' -Werror' #-Wextra
env.Append(CFLAGS=STRICT_FLAGS, CXXFLAGS=STRICT_FLAGS)
# add compability with Keil MDK 4.6 which changes the directory of armcc.exe
if rtconfig.PLATFORM in ['armcc', 'armclang']:
if rtconfig.PLATFORM == 'armcc' and not os.path.isfile(os.path.join(rtconfig.EXEC_PATH, 'armcc.exe')):

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@ -85,6 +85,11 @@ def AddOptions():
dest = 'target',
type = 'string',
help = 'set target project: mdk/mdk4/mdk5/iar/vs/vsc/ua/cdk/ses/makefile/eclipse/codelite/cmake')
AddOption('--strict',
dest='strict-compiling',
help='Compiling project with strict mode and ALL warning will be errors',
action='store_true',
default=False)
AddOption('--cc-prefix', '--exec-prefix',
dest = 'exec-prefix',
type = 'string',