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[cmake] use CMAKE_MSVC_RUNTIME_LIBRARY

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* Increase required CMake version to 3.15 (windows only)
* Use
  https://cmake.org/cmake/help/latest/prop_tgt/MSVC_RUNTIME_LIBRARY.html#prop_tgt:MSVC_RUNTIME_LIBRARY
  to select windows runtime
This commit is contained in:
Armin Novak
2023-11-08 15:18:34 +01:00
committed by Martin Fleisz
parent bd2ac8b11f
commit e0e72f9c28
12 changed files with 63 additions and 88 deletions
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93
cmake/MSVCRuntime.cmake
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@@ -1,48 +1,47 @@
macro(configure_msvc_runtime)
if(MSVC)
# Default to statically-linked runtime.
if("${MSVC_RUNTIME}" STREQUAL "")
set(MSVC_RUNTIME "dynamic")
endif()
# Set compiler options.
set(variables
CMAKE_C_FLAGS
CMAKE_C_FLAGS_DEBUG
CMAKE_C_FLAGS_MINSIZEREL
CMAKE_C_FLAGS_RELEASE
CMAKE_C_FLAGS_RELWITHDEBINFO
CMAKE_CXX_FLAGS
CMAKE_CXX_FLAGS_DEBUG
CMAKE_CXX_FLAGS_MINSIZEREL
CMAKE_CXX_FLAGS_RELEASE
CMAKE_CXX_FLAGS_RELWITHDEBINFO)
if(${MSVC_RUNTIME} STREQUAL "static")
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()
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()
endif()
foreach(variable ${variables})
if(${variable} MATCHES "/Ob0")
string(REGEX REPLACE "/Ob0" "/Ob2" ${variable} "${${variable}}")
endif()
endforeach()
foreach(variable ${variables})
set(${variable} "${${variable}}" CACHE STRING "MSVC_${variable}" FORCE)
endforeach()
if (WIN32)
if (CMAKE_VERSION VERSION_LESS 3.15.0)
message(FATAL_ERROR "windows builds require CMake >= 3.15")
endif()
endmacro(configure_msvc_runtime)
if(NOT DEFINED CMAKE_MSVC_RUNTIME_LIBRARY)
if (MSVC_RUNTIME STREQUAL "dynamic")
set(MSVC_DEFAULT_RUNTIME "MultiThreadedDLL")
elseif(MSVC_RUNTIME STREQUAL "static")
set(MSVC_DEFAULT_RUNTIME "MultiThreaded")
else()
message(WARNING "invalid MSVC_RUNTIME (deprecated) value '${MSVC_RUNTIME}', ignoring")
endif()
if(MSVC_DEFAULT_RUNTIME)
message("Using CMAKE_MSVC_RUNTIME_LIBRARY=${MSVC_DEFAULT_RUNTIME} (derived from MSVC_RUNTIME (deprecated) value '${MSVC_RUNTIME}')" )
else()
set(MSVC_DEFAULT_RUNTIME "MultiThreaded")
if (CMAKE_BUILD_TYPE STREQUAL "Debug")
string(APPEND MSVC_DEFAULT_RUNTIME "Debug")
endif()
if (BUILD_SHARED_LIBS)
string(APPEND MSVC_DEFAULT_RUNTIME "DLL")
endif()
message("Using CMAKE_MSVC_RUNTIME_LIBRARY=${MSVC_DEFAULT_RUNTIME}" )
endif()
set(CMAKE_MSVC_RUNTIME_LIBRARY ${MSVC_DEFAULT_RUNTIME} CACHE STRING "MSVC runtime")
endif()
message("build is using MSVC runtime ${CMAKE_MSVC_RUNTIME_LIBRARY}")
string(FIND ${CMAKE_MSVC_RUNTIME_LIBRARY} "DLL" IS_SHARED)
if(IS_SHARED STREQUAL "-1")
if(BUILD_SHARED_LIBS)
message(FATAL_ERROR "Static CRT is only supported in a fully static build")
endif()
message(STATUS "Use the MSVC static runtime option carefully!")
message(STATUS "OpenSSL uses /MD by default, and is very picky")
message(STATUS "Random freeing errors are a common sign of runtime issues")
endif()
if(NOT DEFINED CMAKE_SUPPRESS_REGENERATION)
set(CMAKE_SUPPRESS_REGENERATION ON)
endif()
endif()