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Fix and modernize CMake with MSVC and static runtime #53

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Fix and modernize CMake with MSVC and static runtime #53

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40 changes: 10 additions & 30 deletions cmake/msvc-runtime.cmake
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Original file line number Diff line number Diff line change
@@ -1,36 +1,16 @@
macro(configure_msvc_runtime)
# Let possibility for user to define CMAKE_MSVC_RUNTIME_LIBRARY (if defined, OATPP_MSVC_LINK_STATIC_RUNTIME will be ignored)
if(MSVC)
# Set compiler options.
set(variables
CMAKE_C_FLAGS
CMAKE_C_FLAGS_DEBUG
CMAKE_C_FLAGS_MINSIZEREL
CMAKE_C_FLAGS_RELEASE
CMAKE_C_FLAGS_RELWITHDEBINFO
CMAKE_CXX_FLAGS
CMAKE_CXX_FLAGS_DEBUG
CMAKE_CXX_FLAGS_MINSIZEREL
CMAKE_CXX_FLAGS_RELEASE
CMAKE_CXX_FLAGS_RELWITHDEBINFO)

if(OATPP_MSVC_LINK_STATIC_RUNTIME)
message(STATUS "MSVC: using statically-linked runtime (/MT and /MTd).")
foreach(variable ${variables})
if(${variable} MATCHES "/MD")
string(REGEX REPLACE "/MD" "/MT" ${variable} "${${variable}}")
endif()
endforeach()
if(DEFINED CMAKE_MSVC_RUNTIME_LIBRARY)
message(STATUS "MSVC: using runtime from provided CMAKE_MSVC_RUNTIME_LIBRARY (OATPP_MSVC_LINK_STATIC_RUNTIME option is ignored)")
else()
message(STATUS "MSVC: using dynamically-linked runtime (/MD and /MDd).")
foreach(variable ${variables})
if(${variable} MATCHES "/MT")
string(REGEX REPLACE "/MT" "/MD" ${variable} "${${variable}}")
endif()
endforeach()
if(OATPP_MSVC_LINK_STATIC_RUNTIME)
message(STATUS "MSVC: using statically-linked runtime (/MT and /MTd).")
set(CMAKE_MSVC_RUNTIME_LIBRARY "MultiThreaded$<$<CONFIG:Debug>:Debug>")
else()
message(STATUS "MSVC: using dynamically-linked runtime (/MD and /MDd).")
set(CMAKE_MSVC_RUNTIME_LIBRARY "MultiThreaded$<$<CONFIG:Debug>:Debug>DLL")
endif()
endif()

foreach(variable ${variables})
set(${variable} "${${variable}}" CACHE STRING "MSVC_${variable}" FORCE)
endforeach()
endif()
endmacro(configure_msvc_runtime)