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rt-thread-official
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Merge branch 'master' into keil

This commit is contained in:
guo 2022-01-20 14:20:43 +08:00 committed by GitHub
parent 884218588a d96e85ccf8
commit 7c403d3587
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GPG Key ID: 4AEE18F83AFDEB23
16 changed files with 118 additions and 60 deletions
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14
bsp/bluetrum/libraries/hal_libraries/ab32vg1_hal/SConscript
View File

@ -18,12 +18,14 @@ DEPENDS = [""]
# SOURCES: Need to compile c and c++ source, auto search when SOURCES is empty
#
# LOCAL_CPPPATH: Local file path (.h/.c/.cpp)
# LOCAL_CCFLAGS: Local compilation parameter
# LOCAL_CFLAGS: Local c compilation parameter
# LOCAL_CCFLAGS: Local c/c++ compilation parameter
# LOCAL_CXXFLAGS: Local c++ compilation parameter
# LOCAL_ASFLAGS: Local assembly parameters
#
# CPPPATH: Global file path (.h/.c/.cpp), auto search when LOCAL_CPPPATH/CPPPATH
# is empty # no pass!!!
# CCFLAGS: Global compilation parameter
# CFLAGS : Global compilation parameter
# ASFLAGS: Global assembly parameters
#
# CPPDEFINES: Global macro definition
@ -38,11 +40,15 @@ CWD = GetCurrentDir()
SOURCES = Glob("./source/*.c")
LOCAL_CPPPATH = []
LOCAL_CFLAGS = ""
LOCAL_CCFLAGS = ""
LOCAL_CXXFLAGS = ""
LOCAL_ASFLAGS = ""
CPPPATH = [GetCurrentDir(), os.path.join(GetCurrentDir(), 'include')]
CFLAGS = ""
CCFLAGS = ""
CXXFLAGS = ""
ASFLAGS = ""
CPPDEFINES = []
@ -61,10 +67,14 @@ CPPPATH_IGNORE = []
#---------------------------------------------------------------------------------
objs = DefineGroup(name = PKGNAME, src = SOURCES, depend = DEPENDS,
CPPPATH = CPPPATH,
CFLAGS = CFLAGS,
CCFLAGS = CCFLAGS,
CXXFLAGS = CXXFLAGS,
ASFLAGS = ASFLAGS,
LOCAL_CPPPATH = LOCAL_CPPPATH,
LOCAL_CFLAGS = LOCAL_CFLAGS,
LOCAL_CCFLAGS = LOCAL_CCFLAGS,
LOCAL_CXXFLAGS = LOCAL_CXXFLAGS,
LOCAL_ASFLAGS = LOCAL_ASFLAGS,
CPPDEFINES = CPPDEFINES,
LOCAL_CPPDEFINES = LOCAL_CPPDEFINES,

16
bsp/bluetrum/libraries/hal_libraries/bmsis/SConscript
View File

@ -19,12 +19,14 @@ DEPENDS = [""]
# SOURCES: Need to compile c and c++ source, auto search when SOURCES is empty
#
# LOCAL_CPPPATH: Local file path (.h/.c/.cpp)
# LOCAL_CCFLAGS: Local compilation parameter
# LOCAL_CFLAGS: Local c compilation parameter
# LOCAL_CCFLAGS: Local c/c++ compilation parameter
# LOCAL_CXXFLAGS: Local c++ compilation parameter
# LOCAL_ASFLAGS: Local assembly parameters
#
# CPPPATH: Global file path (.h/.c/.cpp), auto search when LOCAL_CPPPATH/CPPPATH
# is empty # no pass!!!
# CCFLAGS: Global compilation parameter
# CFLAGS : Global compilation parameter
# ASFLAGS: Global assembly parameters
#
# CPPDEFINES: Global macro definition
@ -35,15 +37,19 @@ DEPENDS = [""]
#
# LINKFLAGS: Link options
#---------------------------------------------------------------------------------
CWD = GetCurrentDir()
SOURCES = Glob("./source/*.c")
SOURCES += Glob("./source/*.S")
LOCAL_CPPPATH = []
LOCAL_CFLAGS = ""
LOCAL_CCFLAGS = ""
LOCAL_CXXFLAGS = ""
LOCAL_ASFLAGS = ""
CPPPATH = [GetCurrentDir(), os.path.join(GetCurrentDir(), 'include')]
CFLAGS = ""
CCFLAGS = ""
CXXFLAGS = ""
ASFLAGS = ""
CPPDEFINES = []
@ -62,10 +68,14 @@ CPPPATH_IGNORE = []
#---------------------------------------------------------------------------------
objs = DefineGroup(name = PKGNAME, src = SOURCES, depend = DEPENDS,
CPPPATH = CPPPATH,
CFLAGS = CFLAGS,
CCFLAGS = CCFLAGS,
CXXFLAGS = CXXFLAGS,
ASFLAGS = ASFLAGS,
LOCAL_CPPPATH = LOCAL_CPPPATH,
LOCAL_CFLAGS = LOCAL_CFLAGS,
LOCAL_CCFLAGS = LOCAL_CCFLAGS,
LOCAL_CXXFLAGS = LOCAL_CXXFLAGS,
LOCAL_ASFLAGS = LOCAL_ASFLAGS,
CPPDEFINES = CPPDEFINES,
LOCAL_CPPDEFINES = LOCAL_CPPDEFINES,

4
bsp/ck802/applications/SConscript
View File

@ -6,8 +6,8 @@ cwd = os.path.join(str(Dir('#')), 'applications')
src = Glob('*.c')
CPPPATH = [cwd, str(Dir('#'))]
CCFLAGS = ' -c -mistack -ffunction-sections'
CFLAGS = ' -c -mistack -ffunction-sections'
group = DefineGroup('Applications', src, depend = [''], CPPPATH = CPPPATH, CCFLAGS=CCFLAGS)
group = DefineGroup('Applications', src, depend = [''], CPPPATH = CPPPATH, CFLAGS=CFLAGS)
Return('group')

4
bsp/gd32/docs/GD32系列BSP制作教程.md
View File

@ -145,14 +145,14 @@ TARGET = 'rtthread.' + rtconfig.TARGET_EXT
DefaultEnvironment(tools=[])
env = Environment(tools = ['mingw'],
AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,
CC = rtconfig.CC, CFLAGS = rtconfig.CFLAGS,
AR = rtconfig.AR, ARFLAGS = '-rc',
CXX = rtconfig.CXX, CXXFLAGS = rtconfig.CXXFLAGS,
LINK = rtconfig.LINK, LINKFLAGS = rtconfig.LFLAGS)
env.PrependENVPath('PATH', rtconfig.EXEC_PATH)
if rtconfig.PLATFORM == 'iar':
env.Replace(CCCOM = ['$CC $CCFLAGS $CPPFLAGS $_CPPDEFFLAGS $_CPPINCFLAGS -o $TARGET $SOURCES'])
env.Replace(CCCOM = ['$CC $CFLAGS $CPPFLAGS $_CPPDEFFLAGS $_CPPINCFLAGS -o $TARGET $SOURCES'])
env.Replace(ARFLAGS = [''])
env.Replace(LINKCOM = env["LINKCOM"] + ' --map rtthread.map')

10
bsp/ra6m4-cpk/ports/fal/SConscript
View File

@ -8,15 +8,15 @@ src = []
src += Glob('*.c')
CPPPATH = [cwd]
LOCAL_CCFLAGS = ''
LOCAL_CFLAGS = ''
if rtconfig.PLATFORM == 'gcc':
LOCAL_CCFLAGS += ' -std=c99'
LOCAL_CFLAGS += ' -std=c99'
elif rtconfig.PLATFORM == 'armcc':
LOCAL_CCFLAGS += ' --c99'
LOCAL_CFLAGS += ' --c99'
elif rtconfig.PLATFORM == 'armclang':
LOCAL_CCFLAGS += ' -std=c99'
LOCAL_CFLAGS += ' -std=c99'
group = DefineGroup('FAL', src, depend = ['PKG_USING_FAL'], CPPPATH = CPPPATH, LOCAL_CCFLAGS = LOCAL_CCFLAGS)
group = DefineGroup('FAL', src, depend = ['PKG_USING_FAL'], CPPPATH = CPPPATH, LOCAL_CFLAGS = LOCAL_CFLAGS)
Return('group')

10
bsp/ra6m4-cpk/ports/rw007/SConscript
View File

@ -8,15 +8,15 @@ src = []
src += Glob('*.c')
CPPPATH = [cwd]
LOCAL_CCFLAGS = ''
LOCAL_CFLAGS = ''
if rtconfig.PLATFORM == 'gcc':
LOCAL_CCFLAGS += ' -std=c99'
LOCAL_CFLAGS += ' -std=c99'
elif rtconfig.PLATFORM == 'armcc':
LOCAL_CCFLAGS += ' --c99'
LOCAL_CFLAGS += ' --c99'
elif rtconfig.PLATFORM == 'armclang':
LOCAL_CCFLAGS += ' -std=c99'
LOCAL_CFLAGS += ' -std=c99'
group = DefineGroup('rw007', src, depend = ['BSP_USING_RW007'], CPPPATH = CPPPATH, LOCAL_CCFLAGS = LOCAL_CCFLAGS)
group = DefineGroup('rw007', src, depend = ['BSP_USING_RW007'], CPPPATH = CPPPATH, LOCAL_CFLAGS = LOCAL_CFLAGS)
Return('group')

4
bsp/stm32/stm32h743-openmv-h7plus/SConstruct
View File

@ -20,14 +20,14 @@ TARGET = 'rt-thread.' + rtconfig.TARGET_EXT
DefaultEnvironment(tools=[])
env = Environment(tools = ['mingw'],
AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,
CC = rtconfig.CC, CFLAGS = rtconfig.CFLAGS,
AR = rtconfig.AR, ARFLAGS = '-rc',
CXX = rtconfig.CXX, CXXFLAGS = rtconfig.CXXFLAGS,
LINK = rtconfig.LINK, LINKFLAGS = rtconfig.LFLAGS)
env.PrependENVPath('PATH', rtconfig.EXEC_PATH)
if rtconfig.PLATFORM == 'iar':
env.Replace(CCCOM = ['$CC $CCFLAGS $CPPFLAGS $_CPPDEFFLAGS $_CPPINCFLAGS -o $TARGET $SOURCES'])
env.Replace(CCCOM = ['$CC $CFLAGS $CPPFLAGS $_CPPDEFFLAGS $_CPPINCFLAGS -o $TARGET $SOURCES'])
env.Replace(ARFLAGS = [''])
env.Replace(LINKCOM = env["LINKCOM"] + ' --map rt-thread.map')

10
bsp/stm32/stm32l475-atk-pandora/board/ports/fal/SConscript
View File

@ -8,15 +8,15 @@ src = []
src += Glob('*.c')
CPPPATH = [cwd]
LOCAL_CCFLAGS = ''
LOCAL_CFLAGS = ''
if rtconfig.PLATFORM == 'gcc':
LOCAL_CCFLAGS += ' -std=c99'
LOCAL_CFLAGS += ' -std=c99'
elif rtconfig.PLATFORM == 'armcc':
LOCAL_CCFLAGS += ' --c99'
LOCAL_CFLAGS += ' --c99'
elif rtconfig.PLATFORM == 'armclang':
LOCAL_CCFLAGS += ' -std=c99'
LOCAL_CFLAGS += ' -std=c99'
group = DefineGroup('FAL', src, depend = ['PKG_USING_FAL'], CPPPATH = CPPPATH, LOCAL_CCFLAGS = LOCAL_CCFLAGS)
group = DefineGroup('FAL', src, depend = ['PKG_USING_FAL'], CPPPATH = CPPPATH, LOCAL_CFLAGS = LOCAL_CFLAGS)
Return('group')

4
bsp/thead-smart/applications/SConscript
View File

@ -6,8 +6,8 @@ cwd = GetCurrentDir()
src = Glob('*.c')
CPPPATH = GetCurrentDir()
CCFLAGS = ' -c -ffunction-sections'
CFLAGS = ' -c -ffunction-sections'
group = DefineGroup('Applications', src, depend = [''], CPPPATH = CPPPATH, CCFLAGS=CCFLAGS)
group = DefineGroup('Applications', src, depend = [''], CPPPATH = CPPPATH, CFLAGS=CFLAGS)
Return('group')

6
bsp/tm4c129x/libraries/SConscript
View File

@ -6,7 +6,7 @@ from building import *
cwd = GetCurrentDir()
src = Glob('driverlib/*.c')
SrcRemove(src, 'onewire.c')
CCFLAGS = ''
CFLAGS = ''
# add for startup script
if rtconfig.CROSS_TOOL == 'gcc':
@ -15,12 +15,12 @@ elif rtconfig.CROSS_TOOL == 'keil':
src += ['startup/startup_rvmdk.S']
elif rtconfig.CROSS_TOOL == 'iar':
src += ['startup/startup_ewarm.c']
CCFLAGS += ' --diag_suppress=pe177'
CFLAGS += ' --diag_suppress=pe177'
CPPPATH = [cwd, cwd + '/inc', cwd + '/driverlib']
CPPDEFINES = [rtconfig.PART_TYPE]
group = DefineGroup('Libraries', src, depend = [''], CPPPATH = CPPPATH, CPPDEFINES = CPPDEFINES, CCFLAGS = CCFLAGS)
group = DefineGroup('Libraries', src, depend = [''], CPPPATH = CPPPATH, CPPDEFINES = CPPDEFINES, CFLAGS = CFLAGS)
Return('group')

11
components/drivers/spi/SConscript
View File

@ -4,7 +4,7 @@ import rtconfig
cwd = GetCurrentDir()
src = ['spi_core.c', 'spi_dev.c']
CPPPATH = [cwd, cwd + '/../include']
LOCAL_CCFLAGS = ''
LOCAL_CFLAGS = ''
if GetDepend('RT_USING_QSPI'):
src += ['qspi_core.c']
@ -25,15 +25,16 @@ if GetDepend('RT_USING_SFUD'):
CPPPATH += [cwd + '/sfud/inc']
if GetDepend('RT_SFUD_USING_SFDP'):
src_device += ['sfud/src/sfud_sfdp.c']
if rtconfig.PLATFORM == 'gcc':
LOCAL_CCFLAGS += ' -std=c99'
LOCAL_CFLAGS += ' -std=c99'
elif rtconfig.PLATFORM == 'armcc':
LOCAL_CCFLAGS += ' --c99'
LOCAL_CFLAGS += ' --c99'
elif rtconfig.PLATFORM == 'armclang':
LOCAL_CCFLAGS += ' -std=c99'
LOCAL_CFLAGS += ' -std=c99'
src += src_device
group = DefineGroup('DeviceDrivers', src, depend = ['RT_USING_SPI'], CPPPATH = CPPPATH, LOCAL_CCFLAGS = LOCAL_CCFLAGS)
group = DefineGroup('DeviceDrivers', src, depend = ['RT_USING_SPI'], CPPPATH = CPPPATH, LOCAL_CFLAGS = LOCAL_CFLAGS)
Return('group')

45
tools/building.py
View File

@ -557,11 +557,21 @@ def AddDepend(option):
def MergeGroup(src_group, group):
src_group['src'] = src_group['src'] + group['src']
if 'CFLAGS' in group:
if 'CFLAGS' in src_group:
src_group['CFLAGS'] = src_group['CFLAGS'] + group['CFLAGS']
else:
src_group['CFLAGS'] = group['CFLAGS']
if 'CCFLAGS' in group:
if 'CCFLAGS' in src_group:
src_group['CCFLAGS'] = src_group['CCFLAGS'] + group['CCFLAGS']
else:
src_group['CCFLAGS'] = group['CCFLAGS']
if 'CXXFLAGS' in group:
if 'CXXFLAGS' in src_group:
src_group['CXXFLAGS'] = src_group['CXXFLAGS'] + group['CXXFLAGS']
else:
src_group['CXXFLAGS'] = group['CXXFLAGS']
if 'CPPPATH' in group:
if 'CPPPATH' in src_group:
src_group['CPPPATH'] = src_group['CPPPATH'] + group['CPPPATH']
@ -579,11 +589,21 @@ def MergeGroup(src_group, group):
src_group['ASFLAGS'] = group['ASFLAGS']
# for local CCFLAGS/CPPPATH/CPPDEFINES
if 'LOCAL_CFLAGS' in group:
if 'LOCAL_CFLAGS' in src_group:
src_group['LOCAL_CFLAGS'] = src_group['LOCAL_CFLAGS'] + group['LOCAL_CFLAGS']
else:
src_group['LOCAL_CFLAGS'] = group['LOCAL_CFLAGS']
if 'LOCAL_CCFLAGS' in group:
if 'LOCAL_CCFLAGS' in src_group:
src_group['LOCAL_CCFLAGS'] = src_group['LOCAL_CCFLAGS'] + group['LOCAL_CCFLAGS']
else:
src_group['LOCAL_CCFLAGS'] = group['LOCAL_CCFLAGS']
if 'LOCAL_CXXFLAGS' in group:
if 'LOCAL_CXXFLAGS' in src_group:
src_group['LOCAL_CXXFLAGS'] = src_group['LOCAL_CXXFLAGS'] + group['LOCAL_CXXFLAGS']
else:
src_group['LOCAL_CXXFLAGS'] = group['LOCAL_CXXFLAGS']
if 'LOCAL_CPPPATH' in group:
if 'LOCAL_CPPPATH' in src_group:
src_group['LOCAL_CPPPATH'] = src_group['LOCAL_CPPPATH'] + group['LOCAL_CPPPATH']
@ -650,10 +670,18 @@ def DefineGroup(name, src, depend, **parameters):
else:
group['src'] = src
if 'CFLAGS' in group:
target = group['CFLAGS']
if len(target) > 0:
Env.AppendUnique(CFLAGS = target)
if 'CCFLAGS' in group:
target = group['CCFLAGS']
if len(target) > 0:
Env.AppendUnique(CCFLAGS = target)
if 'CXXFLAGS' in group:
target = group['CXXFLAGS']
if len(target) > 0:
Env.AppendUnique(CXXFLAGS = target)
if 'CPPPATH' in group:
target = group['CPPPATH']
if _PretreatListParameters(target) == True:
@ -682,11 +710,18 @@ def DefineGroup(name, src, depend, **parameters):
import rtconfig
if rtconfig.PLATFORM == 'gcc':
if 'CFLAGS' in group:
group['CFLAGS'] = utils.GCCC99Patch(group['CFLAGS'])
if 'CCFLAGS' in group:
group['CCFLAGS'] = utils.GCCC99Patch(group['CCFLAGS'])
if 'CXXFLAGS' in group:
group['CXXFLAGS'] = utils.GCCC99Patch(group['CXXFLAGS'])
if 'LOCAL_CCFLAGS' in group:
group['LOCAL_CCFLAGS'] = utils.GCCC99Patch(group['LOCAL_CCFLAGS'])
if 'LOCAL_CXXFLAGS' in group:
group['LOCAL_CXXFLAGS'] = utils.GCCC99Patch(group['LOCAL_CXXFLAGS'])
if 'LOCAL_CFLAGS' in group:
group['LOCAL_CFLAGS'] = utils.GCCC99Patch(group['LOCAL_CFLAGS'])
# check whether to clean up library
if GetOption('cleanlib') and os.path.exists(os.path.join(group['path'], GroupLibFullName(name, Env))):
if group['src'] != []:
@ -785,14 +820,16 @@ def DoBuilding(target, objects):
# handle local group
def local_group(group, objects):
if 'LOCAL_CCFLAGS' in group or 'LOCAL_CPPPATH' in group or 'LOCAL_CPPDEFINES' in group or 'LOCAL_ASFLAGS' in group:
if 'LOCAL_CFLAGS' in group or 'LOCAL_CXXFLAGS' in group or 'LOCAL_CCFLAGS' in group or 'LOCAL_CPPPATH' in group or 'LOCAL_CPPDEFINES' in group or 'LOCAL_ASFLAGS' in group:
CFLAGS = Env.get('CFLAGS', '') + group.get('LOCAL_CFLAGS', '')
CCFLAGS = Env.get('CCFLAGS', '') + group.get('LOCAL_CCFLAGS', '')
CXXFLAGS = Env.get('CXXFLAGS', '') + group.get('LOCAL_CXXFLAGS', '')
CPPPATH = Env.get('CPPPATH', ['']) + group.get('LOCAL_CPPPATH', [''])
CPPDEFINES = Env.get('CPPDEFINES', ['']) + group.get('LOCAL_CPPDEFINES', [''])
ASFLAGS = Env.get('ASFLAGS', '') + group.get('LOCAL_ASFLAGS', '')
for source in group['src']:
objects.append(Env.Object(source, CCFLAGS = CCFLAGS, ASFLAGS = ASFLAGS,
objects.append(Env.Object(source, CFLAGS = CFLAGS, CCFLAGS = CCFLAGS, CXXFLAGS = CXXFLAGS, ASFLAGS = ASFLAGS,
CPPPATH = CPPPATH, CPPDEFINES = CPPDEFINES))
return True
@ -822,7 +859,7 @@ def DoBuilding(target, objects):
else:
# remove source files with local flags setting
for group in Projects:
if 'LOCAL_CCFLAGS' in group or 'LOCAL_CPPPATH' in group or 'LOCAL_CPPDEFINES' in group:
if 'LOCAL_CFLAGS' in group or 'LOCAL_CXXFLAGS' in group or 'LOCAL_CCFLAGS' in group or 'LOCAL_CPPPATH' in group or 'LOCAL_CPPDEFINES' in group:
for source in group['src']:
for obj in objects:
if source.abspath == obj.abspath or (len(obj.sources) > 0 and source.abspath == obj.sources[0].abspath):

4
tools/codelite.py
View File

@ -194,8 +194,8 @@ def TargetCodelite(script, program):
#print building.Env.get('LIBPATH', [])
#print building.Env.get('LIBS', [])
CLSetCFlags(root, building.Env.get('CCFLAGS', []))
CLSetCxxFlags(root, building.Env.get('CCFLAGS', []))
CLSetCFlags(root, building.Env.get('CFLAGS', []))
CLSetCxxFlags(root, building.Env.get('CFLAGS', []))
asflags = building.Env.get('ASFLAGS', [])
asflags = asflags.replace('-ffunction-sections', '')

2
tools/iar.py
View File

@ -88,7 +88,7 @@ def IARProject(target, script):
CPPPATH = []
CPPDEFINES = []
LINKFLAGS = ''
CCFLAGS = ''
CFLAGS = ''
Libs = []
lib_prefix = ['lib', '']
lib_suffix = ['.a', '.o', '']

10
tools/keil.py
View File

@ -192,7 +192,7 @@ def MDK45Project(tree, target, script):
CPPPATH = []
CPPDEFINES = []
LINKFLAGS = ''
CCFLAGS = ''
CFLAGS = ''
ProjectFiles = []
# add group
@ -204,14 +204,14 @@ def MDK45Project(tree, target, script):
group_tree = MDK4AddGroup(ProjectFiles, groups, group['name'], group['src'], project_path)
# for local CPPPATH/CPPDEFINES
if (group_tree != None) and ('LOCAL_CPPPATH' in group or 'LOCAL_CCFLAGS' in group or 'LOCAL_CPPDEFINES' in group):
if (group_tree != None) and ('LOCAL_CPPPATH' in group or 'LOCAL_CFLAGS' in group or 'LOCAL_CPPDEFINES' in group):
GroupOption = SubElement(group_tree, 'GroupOption')
GroupArmAds = SubElement(GroupOption, 'GroupArmAds')
Cads = SubElement(GroupArmAds, 'Cads')
VariousControls = SubElement(Cads, 'VariousControls')
MiscControls = SubElement(VariousControls, 'MiscControls')
if 'LOCAL_CCFLAGS' in group:
MiscControls.text = group['LOCAL_CCFLAGS']
if 'LOCAL_CFLAGS' in group:
MiscControls.text = group['LOCAL_CFLAGS']
else:
MiscControls.text = ' '
Define = SubElement(VariousControls, 'Define')
@ -329,7 +329,7 @@ def MDKProject(target, script):
CPPPATH = []
CPPDEFINES = []
LINKFLAGS = ''
CCFLAGS = ''
CFLAGS = ''
# number of groups
group_index = 1

10
tools/ses.py
View File

@ -49,7 +49,7 @@ def SESProject(env) :
CPPPATH = []
CPPDEFINES = []
LINKFLAGS = ''
CCFLAGS = ''
CFLAGS = ''
project_node = tree.find('project')
@ -59,11 +59,11 @@ def SESProject(env) :
group_tree = SDKAddGroup(project_node, group['name'], group['src'], project_path)
# get each group's cc flags
if 'CCFLAGS' in group and group['CCFLAGS']:
if CCFLAGS:
CCFLAGS += ' ' + group['CCFLAGS']
if 'CFLAGS' in group and group['CFLAGS']:
if CFLAGS:
CFLAGS += ' ' + group['CFLAGS']
else:
CCFLAGS += group['CCFLAGS']
CFLAGS += group['CFLAGS']
# get each group's link flags
if 'LINKFLAGS' in group and group['LINKFLAGS']: