def get_toolchain(fips_dir, proj_dir, cfg):
"""get the toolchain path location for a config, this first checks
for a 'cmake-toolchain' attribute, and if this does not exist, builds
a xxx.toolchain.cmake file from the platform name (only for cross-
compiling platforms). Toolchain files are searched in the
following locations:
- a fips-files/toolchains subdirectory in the project directory
- a fips-files/toolchains subdirectory in all imported projects
- finally in the cmake-toolchains subdirectory of the fips directory
:param fips_dir: absolute path to fips
:param plat: the target platform name
:returns: path to toolchain file or None for non-cross-compiling
"""
# ignore native target platforms
if 'platform' in cfg:
if cfg['platform'] in native_platforms:
return None
else:
log.error("config has no 'platform' attribute!'")
# build toolchain file name
toolchain = None
if 'cmake-toolchain' in cfg:
toolchain = cfg['cmake-toolchain']
else:
toolchain = '{}.toolchain.cmake'.format(cfg['platform'])
# look for toolchain file in current project directory
toolchain_dir = util.get_toolchains_dir(proj_dir)
toolchain_path = None
if toolchain_dir:
toolchain_path = toolchain_dir + '/' + toolchain
if toolchain_path and os.path.isfile(toolchain_path):
return toolchain_path
else:
# look for toolchain in all imported directories
_, imported_projs = dep.get_all_imports_exports(fips_dir, proj_dir)
for imported_proj_name in imported_projs:
imported_proj_dir = imported_projs[imported_proj_name]['proj_dir']
toolchain_dir = util.get_toolchains_dir(imported_proj_dir)
toolchain_path = None
if toolchain_dir:
toolchain_path = toolchain_dir + '/' + toolchain
if toolchain_path and os.path.isfile(toolchain_path):
return toolchain_path
else:
# toolchain is not in current project or imported projects,
# try the fips directory
toolchain_path = '{}/cmake-toolchains/{}'.format(
fips_dir, toolchain)
if os.path.isfile(toolchain_path):
return toolchain_path
# fallthrough: no toolchain file found
return None
def get_toolchain(fips_dir, proj_dir, cfg) :
"""get the toolchain path location for a config, this first checks
for a 'cmake-toolchain' attribute, and if this does not exist, builds
a xxx.toolchain.cmake file from the platform name (only for cross-
compiling platforms). Toolchain files are searched in the
following locations:
- a fips-files/toolchains subdirectory in the project directory
- a fips-files/toolchains subdirectory in all imported projects
- finally in the cmake-toolchains subdirectory of the fips directory
:param fips_dir: absolute path to fips
:param plat: the target platform name
:returns: path to toolchain file or None for non-cross-compiling
"""
# ignore native target platforms
if 'platform' in cfg :
if cfg['platform'] in native_platforms :
return None
else :
log.error("config has no 'platform' attribute!'")
# build toolchain file name
toolchain = None
if 'cmake-toolchain' in cfg :
toolchain = cfg['cmake-toolchain']
else :
toolchain = '{}.toolchain.cmake'.format(cfg['platform'])
# look for toolchain file in current project directory
toolchain_dir = util.get_toolchains_dir(proj_dir)
toolchain_path = None
if toolchain_dir:
toolchain_path = toolchain_dir + '/' + toolchain
if toolchain_path and os.path.isfile(toolchain_path) :
return toolchain_path
else :
# look for toolchain in all imported directories
_, imported_projs = dep.get_all_imports_exports(fips_dir, proj_dir)
for imported_proj_name in imported_projs :
imported_proj_dir = imported_projs[imported_proj_name]['proj_dir']
toolchain_dir = util.get_toolchains_dir(imported_proj_dir)
toolchain_path = None
if toolchain_dir:
toolchain_path = toolchain_dir + '/' + toolchain
if toolchain_path and os.path.isfile(toolchain_path):
return toolchain_path
else :
# toolchain is not in current project or imported projects,
# try the fips directory
toolchain_path = '{}/cmake-toolchains/{}'.format(fips_dir, toolchain)
if os.path.isfile(toolchain_path) :
return toolchain_path
# fallthrough: no toolchain file found
return None