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# this file only serves as toolchain file when specified so explicitly
# when building the software. from repository's root directory:
# mkdir build && cmake -DCMAKE_TOOLCHAIN_FILE=$(pwd)/../cmake/msvc.cmake build/
SET(CMAKE_SYSTEM_NAME Windows)
SET(CMAKE_SYSTEM_VERSION 1)
# search for programs in the host directories
SET(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
# don't poison with system compile-time data
SET(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
SET(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
# oldest CPU supported here is Northwood-based Pentium 4. -sh 20150811
set(cc "/O2it /Ob2 /arch:SSE2 /fp:fast /GS- /GF /GL /Gw /Gy")
set(warns_ "")
#C4244: 'return': conversion from '__int64' to 'long', possible loss of data
set(warns-disable 4530 4577 4789 4244)
foreach(i ${warns-disable})
set(warns_ "${warns_} /wd${i}")
endforeach()
if(CMAKE_PROJECT_NAME STREQUAL "opentrack")
#C4263 - member function does not override any base class virtual member function
#C4264 - no override available for virtual member function from base class, function is hidden
#C4265 - class has virtual functions, but destructor is not virtual
#C4266 - no override available for virtual member function from base type, function is hidden
#C4928 - illegal copy-initialization, more than one user-defined conversion has been implicitly applied
set(warns 4263 4264 4266 4928)
set(warns-noerr 4265)
foreach(i ${warns})
set(warns_ "${warns_} /w1${i} /we${i}")
endforeach()
foreach(i ${warns-noerr})
set(warns_ "${warns_} /w1${i}")
endforeach()
set(cc "${cc} /GR-")
endif()
set(silly "${warns_} /MT /Zi /Gm")
set(_CFLAGS "${silly}")
set(_CXXFLAGS "${silly}")
set(_CFLAGS_RELEASE "${cc}")
set(_CFLAGS_DEBUG "/GS /sdl /Gs /guard:cf -D_ITERATOR_DEBUG_LEVEL=0 -D_HAS_ITERATOR_DEBUGGING=0 -D_SECURE_SCL=0")
set(_CXXFLAGS_RELEASE "${cc}")
set(_CXXFLAGS_DEBUG "${_CFLAGS_DEBUG}")
set(_LDFLAGS "/WX /DEBUG")
set(_LDFLAGS_RELEASE "/LTCG:INCREMENTAL /OPT:REF /OPT:ICF=10")
set(_LDFLAGS_DEBUG "")
set(_LDFLAGS_STATIC "/WX")
set(_LDFLAGS_STATIC_RELEASE "/LTCG:INCREMENTAL")
foreach(j C CXX)
foreach(i "" _DEBUG _RELEASE)
set(OVERRIDE_${j}_FLAGS${i} "" CACHE STRING "")
set(CMAKE_${j}_FLAGS${i} "${_${j}FLAGS${i}} ${OVERRIDE_${j}_FLAGS${i}}" CACHE STRING "" FORCE)
endforeach()
set(CMAKE_${j}_FLAGS "${_${j}FLAGS} ${_${j}_WARNS} ${OVERRIDE_${j}_FLAGS}" CACHE STRING "" FORCE)
endforeach()
foreach(j "" _DEBUG _RELEASE)
foreach(i MODULE EXE SHARED)
set(OVERRIDE_LDFLAGS${j} "" CACHE STRING "")
set(CMAKE_${i}_LINKER_FLAGS${j} "${_LDFLAGS${j}} ${OVERRIDE_LDFLAGS${j}}" CACHE STRING "" FORCE)
endforeach()
endforeach()
set(OVERRIDE_LDFLAGS_STATIC "" CACHE STRING "")
set(OVERRIDE_LDFLAGS_STATIC_RELEASE "" CACHE STRING "")
set(OVERRIDE_LDFLAGS_STATIC_DEBUG "" CACHE STRING "")
set(CMAKE_STATIC_LINKER_FLAGS "${_LDFLAGS_STATIC} ${OVERRIDE_LDFLAGS_STATIC}" CACHE STRING "" FORCE)
set(CMAKE_STATIC_LINKER_FLAGS_RELEASE "${_LDFLAGS_STATIC_RELEASE} ${OVERRIDE_LDFLAGS_STATIC_RELEASE}" CACHE STRING "" FORCE)
set(CMAKE_STATIC_LINKER_FLAGS_DEBUG "${_LDFLAGS_STATIC_DEBUG} ${OVERRIDE_LDFLAGS_STATIC_DEBUG}" CACHE STRING "" FORCE)
set(CMAKE_BUILD_TYPE_INIT RELEASE)
# for nmake/jom build directories
if(NOT CMAKE_BUILD_TYPE)
set(CMAKE_BUILD_TYPE "RELEASE" CACHE STRING "" FORCE)
endif()
if(CMAKE_PROJECT_NAME STREQUAL "opentrack")
foreach (i CMAKE_CXX_FLAGS CMAKE_C_FLAGS)
string(REGEX MATCH "((^| )[-/][W][0-9]( |\$))" ret "${${i}}")
if(ret STREQUAL "")
set(${i} "-W3 ${${i}}" CACHE STRING "" FORCE)
endif()
endforeach()
endif()
set(CMAKE_RC_FLAGS "-nologo -DWIN32" CACHE STRING "" FORCE)
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