CMake: Remove duplicate MSVC check

As of this commit, L98 of winconf.cmake already checks for MSVC
before winconf-msvc calls this macro, so we are guaranteed to be
satisfy the check.

cmake/Modules/MacroConfigureMSVCRuntime.cmake

@@ -1,38 +1,36 @@
 macro(configure_msvc_runtime)
- if(MSVC)
- # Default to statically-linked runtime.
- if("${MSVC_RUNTIME}" STREQUAL "")
- set(MSVC_RUNTIME "static")
- endif()
- # Set compiler options.
- set(variables
- CMAKE_C_FLAGS_DEBUG
- CMAKE_C_FLAGS_MINSIZEREL
- CMAKE_C_FLAGS_RELEASE
- CMAKE_C_FLAGS_RELWITHDEBINFO
- CMAKE_CXX_FLAGS_DEBUG
- CMAKE_CXX_FLAGS_MINSIZEREL
- CMAKE_CXX_FLAGS_RELEASE
- CMAKE_CXX_FLAGS_RELWITHDEBINFO
+ # Default to statically-linked runtime.
+ if("${MSVC_RUNTIME}" STREQUAL "")
+ set(MSVC_RUNTIME "static")
+ endif()
+ # Set compiler options.
+ set(variables
+ CMAKE_C_FLAGS_DEBUG
+ CMAKE_C_FLAGS_MINSIZEREL
+ CMAKE_C_FLAGS_RELEASE
+ CMAKE_C_FLAGS_RELWITHDEBINFO
+ CMAKE_CXX_FLAGS_DEBUG
+ CMAKE_CXX_FLAGS_MINSIZEREL
+ CMAKE_CXX_FLAGS_RELEASE
+ CMAKE_CXX_FLAGS_RELWITHDEBINFO
+ )
+ if(${MSVC_RUNTIME} STREQUAL "static")
+ message(STATUS
+ "MSVC -> forcing use of statically-linked runtime."
+ )
+ foreach(variable ${variables})
+ if(${variable} MATCHES "/MD")
+ string(REGEX REPLACE "/MD" "/MT" ${variable} "${${variable}}")
+ endif()
+ endforeach()
+ else()
+ message(STATUS
+ "MSVC -> forcing use of dynamically-linked runtime."
  )
- if(${MSVC_RUNTIME} STREQUAL "static")
- message(STATUS
- "MSVC -> forcing use of statically-linked runtime."
- )
- foreach(variable ${variables})
- if(${variable} MATCHES "/MD")
- string(REGEX REPLACE "/MD" "/MT" ${variable} "${${variable}}")
- endif()
- endforeach()
- else()
- message(STATUS
- "MSVC -> forcing use of dynamically-linked runtime."
- )
- foreach(variable ${variables})
- if(${variable} MATCHES "/MT")
- string(REGEX REPLACE "/MT" "/MD" ${variable} "${${variable}}")
- endif()
- endforeach()
- endif()
+ foreach(variable ${variables})
+ if(${variable} MATCHES "/MT")
+ string(REGEX REPLACE "/MT" "/MD" ${variable} "${${variable}}")
+ endif()
+ endforeach()
  endif()
 endmacro()