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-rw-r--r--components/libc/compilers/dlib/SConscript3
1 files changed, 2 insertions, 1 deletions
diff --git a/components/libc/compilers/dlib/SConscript b/components/libc/compilers/dlib/SConscript
index 98f664e8d9..51573b9e9a 100644
--- a/components/libc/compilers/dlib/SConscript
+++ b/components/libc/compilers/dlib/SConscript
@@ -13,7 +13,8 @@ if rtconfig.PLATFORM in ['iccarm']:
from iar import IARVersion
CPPDEFINES = CPPDEFINES + ['_DLIB_FILE_DESCRIPTOR']
- if LooseVersion(IARVersion()) < LooseVersion("8.20.1"):
+ iar_version = LooseVersion(IARVersion())
+ if iar_version != LooseVersion("0.0") and iar_version < LooseVersion("8.20.1"):
CPPDEFINES = CPPDEFINES + ['_DLIB_THREAD_SUPPORT']
group = DefineGroup('Compiler', src, depend = [''], CPPDEFINES = CPPDEFINES)