Commit fea07508 by Alexander Popov

Detect the compiler used for the kernel compilation

parent f5810766
......@@ -288,7 +288,7 @@ def detect_arch(fname, archs):
return arch, 'OK'
def detect_version(fname):
def detect_kernel_version(fname):
with open(fname, 'r') as f:
ver_pattern = re.compile("# Linux/.* Kernel Configuration")
for line in f.readlines():
......@@ -304,6 +304,26 @@ def detect_version(fname):
return None, 'no kernel version detected'
def detect_compiler(fname):
gcc_version = None
clang_version = None
with open(fname, 'r') as f:
gcc_version_pattern = re.compile("CONFIG_GCC_VERSION=[0-9]*")
clang_version_pattern = re.compile("CONFIG_CLANG_VERSION=[0-9]*")
for line in f.readlines():
if gcc_version_pattern.match(line):
gcc_version = line[19:-1]
if clang_version_pattern.match(line):
clang_version = line[21:-1]
if not gcc_version or not clang_version:
return None, 'no CONFIG_GCC_VERSION or CONFIG_CLANG_VERSION'
if gcc_version == '0' and clang_version != '0':
return 'CLANG ' + clang_version, 'OK'
if gcc_version != '0' and clang_version == '0':
return 'GCC ' + gcc_version, 'OK'
sys.exit('[!] ERROR: invalid GCC_VERSION and CLANG_VERSION: {} {}'.format(gcc_version, clang_version))
def add_kconfig_checks(l, arch):
# Calling the KconfigCheck class constructor:
# KconfigCheck(reason, decision, name, expected)
......@@ -959,12 +979,19 @@ def main():
if mode != 'json':
print('[+] Detected architecture: {}'.format(arch))
kernel_version, msg = detect_version(args.config)
kernel_version, msg = detect_kernel_version(args.config)
if not kernel_version:
sys.exit('[!] ERROR: {}'.format(msg))
if mode != 'json':
print('[+] Detected kernel version: {}.{}'.format(kernel_version[0], kernel_version[1]))
compiler, msg = detect_compiler(args.config)
if mode != 'json':
if compiler:
print('[+] Detected compiler: {}'.format(compiler))
else:
print('[-] Can\'t detect the compiler: {}'.format(msg))
# add relevant kconfig checks to the checklist
add_kconfig_checks(config_checklist, arch)
......
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