Tests: Suppress WriteCompilerDetectionHeader failure on SunPro

We do support SunPro 5.13 compiler features, but only on Linux.
Suppress the portion of the test that fails on Solaris until
the larger problem can be addressed.

Tests/Module/WriteCompilerDetectionHeader/CMakeLists.txt

@@ -25,7 +25,8 @@ if (NOT CMAKE_CXX_COMPILE_FEATURES AND NOT CMAKE_C_COMPILE_FEATURES)
   )
   add_executable(WriteCompilerDetectionHeader "${CMAKE_CURRENT_BINARY_DIR}/dummy.cpp")
 
-  if(UNIX OR NOT CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
+  if((UNIX OR NOT CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
+      AND NOT CMAKE_CXX_COMPILER_ID STREQUAL "SunPro")
     include(CheckCXXSourceCompiles)
     check_cxx_source_compiles("#include \"${CMAKE_CURRENT_BINARY_DIR}/test_compiler_detection.h\"\nint main() { return 0; }\n"
       file_include_works