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-rw-r--r--Tests/IncludeDirectories/CMakeLists.txt8
1 files changed, 7 insertions, 1 deletions
diff --git a/Tests/IncludeDirectories/CMakeLists.txt b/Tests/IncludeDirectories/CMakeLists.txt
index d4c19c7..d980a52 100644
--- a/Tests/IncludeDirectories/CMakeLists.txt
+++ b/Tests/IncludeDirectories/CMakeLists.txt
@@ -67,7 +67,13 @@ else()
endif()
# Test escaping of special characters in include directory paths.
-set(special_chars "~@&{}()!'")
+set(special_chars "~@&{}()'")
+if(NOT (CMAKE_GENERATOR STREQUAL "NMake Makefiles" AND
+ "x${CMAKE_C_COMPILER_ID}" STREQUAL "xMSVC" AND
+ "${CMAKE_C_COMPILER_VERSION}" VERSION_LESS 13.0))
+ # NMake from VS 6 mistakes '!' in a path after a line continuation for a directive.
+ string(APPEND special_chars "!")
+endif()
if(NOT CMAKE_GENERATOR MATCHES "(Unix|MinGW|MSYS) Makefiles")
# when compiler is used for dependencies, special characters for make are not escaped
string(APPEND special_chars "%")