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-rw-r--r--Modules/CMakeDetermineCXXCompiler.cmake3
1 files changed, 3 insertions, 0 deletions
diff --git a/Modules/CMakeDetermineCXXCompiler.cmake b/Modules/CMakeDetermineCXXCompiler.cmake
index 612dbb4..8c33eb6 100644
--- a/Modules/CMakeDetermineCXXCompiler.cmake
+++ b/Modules/CMakeDetermineCXXCompiler.cmake
@@ -73,6 +73,9 @@ else()
set(CMAKE_CXX_COMPILER_ID_TEST_FLAGS
# Try compiling to an object file only.
"-c"
+ # IAR does not detect language automatically
+ "--c++"
+ "--ec++"
)
endif()