Revert pr #1860

CMakeLists.txt

@@ -10,8 +10,6 @@ include(cmake/ide.cmake)
 
 spdlog_extract_version()
 
-cmake_policy(SET CMP0091 NEW) # for choosing msvc static/dynamic runtime library 
-
 project(spdlog VERSION ${SPDLOG_VERSION} LANGUAGES CXX)
 message(STATUS "Build spdlog: ${SPDLOG_VERSION}")
 
@@ -89,7 +87,6 @@ endif()
 if(WIN32)
     option(SPDLOG_WCHAR_SUPPORT "Support wchar api" OFF)
     option(SPDLOG_WCHAR_FILENAMES "Support wchar filenames" OFF)
-    option(SPDLOG_STATIC_VCRT "Force /MT for static VC runtimes" OFF)
 endif()
 if(${CMAKE_SYSTEM_NAME} STREQUAL "Linux")
     option(SPDLOG_CLOCK_COARSE
@@ -127,10 +124,6 @@ if(NOT SPDLOG_FMT_EXTERNAL AND NOT SPDLOG_FMT_EXTERNAL_HO)
     list(APPEND SPDLOG_SRCS src/fmt.cpp)
 endif()
 
-if(MSVC AND SPDLOG_STATIC_VCRT)
-    set(CMAKE_MSVC_RUNTIME_LIBRARY "MultiThreaded$<$<CONFIG:Debug>:Debug>")
-endif()
-
 if(SPDLOG_BUILD_SHARED OR BUILD_SHARED_LIBS)
     if(WIN32)
         configure_file(${CMAKE_CURRENT_SOURCE_DIR}/cmake/version.rc.in ${CMAKE_CURRENT_BINARY_DIR}/version.rc @ONLY)
@@ -299,3 +292,4 @@ if(SPDLOG_INSTALL)
     # ---------------------------------------------------------------------------------------
     include(cmake/spdlogCPack.cmake)
 endif()
+