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-rw-r--r--Tests/TryCompile/CMakeLists.txt10
1 files changed, 9 insertions, 1 deletions
diff --git a/Tests/TryCompile/CMakeLists.txt b/Tests/TryCompile/CMakeLists.txt
index 5925a87..ea571a2 100644
--- a/Tests/TryCompile/CMakeLists.txt
+++ b/Tests/TryCompile/CMakeLists.txt
@@ -200,4 +200,12 @@ TEST_ASSERT(CXX_BUILD_SHOULD_WORK "CHECK_CXX_SOURCE_COMPILES() failed")
TEST_FAIL(CXX_RUN_SHOULD_FAIL "CHECK_CXX_SOURCE_RUNS() succeeded, but should have failed")
TEST_ASSERT(CXX_RUN_SHOULD_WORK "CHECK_CXX_SOURCE_RUNS() failed")
-
+UNSET(C_BOGUS_FLAG CACHE)
+INCLUDE(CheckCCompilerFlag)
+CHECK_C_COMPILER_FLAG(-_this_is_not_a_flag_ C_BOGUS_FLAG)
+TEST_FAIL(C_BOGUS_FLAG "CHECK_C_COMPILER_FLAG() succeeded, but should have failed")
+
+UNSET(CXX_BOGUS_FLAG CACHE)
+INCLUDE(CheckCXXCompilerFlag)
+CHECK_CXX_COMPILER_FLAG(-_this_is_not_a_flag_ CXX_BOGUS_FLAG)
+TEST_FAIL(CXX_BOGUS_FLAG "CHECK_CXX_COMPILER_FLAG() succeeded, but should have failed")