cmake: add msvc toolchain

1 files changed, 117 insertions, 0 deletions

diff --git a/cmake/msvc.cmake b/cmake/msvc.cmake
new file mode 100644
index 00000000..32ab5d5e
--- /dev/null
+++ b/cmake/msvc.cmake
@@ -0,0 +1,117 @@
+# 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 /GR- /Gy")
+
+set(warns_ "")
+
+set(warns-disable 4530 4577 4789)
+
+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${i}")
+    endforeach()
+endif()
+
+set(silly "${warns_} /MT /Zi /Gm")
+
+set(_CFLAGS "${silly}")
+set(_CXXFLAGS "${silly}")
+set(_CFLAGS_RELEASE "${cc}")
+set(_CFLAGS_DEBUG "/GS /sdl /Gs /guard:cf /RTCsu -D_ITERATOR_DEBUG_LEVEL=0 -D_HAS_ITERATOR_DEBUGGING=0 -D_SECURE_SCL=0")
+set(_CXXFLAGS_RELEASE "${cc}")
+set(_CXXFLAGS_DEBUG "${_CFLAGS_DEBUG}")
+
+set(ldflags-shared-release "/OPT:REF /OPT:ICF=10")
+set(ldflags-shared "/DEBUG")
+
+foreach (i MODULE EXE SHARED)
+    set(_LDFLAGS_${i} "${ldflags-shared}")
+    set(_LDFLAGS_${i}_RELEASE "${ldflags-shared-release}")
+endforeach()
+
+set(_LDFLAGS "")
+set(_LDFLAGS_RELEASE "/LTCG:INCREMENTAL")
+set(_LDFLAGS_DEBUG "")
+
+foreach(j C CXX)
+    foreach(i "" _DEBUG _RELEASE)
+        set(OVERRIDE_${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 STATIC)
+        set(OVERRIDE_LDFLAGS${j} "" CACHE STRING "")
+        set(CMAKE_${i}_LINKER_FLAGS${j} "${_LDFLAGS${j}} ${_LDFLAGS_${i}} ${_LDFLAGS_${i}${j}} ${OVERRIDE_LDFLAGS${j}}" CACHE STRING "" FORCE)
+    endforeach()
+endforeach()
+
+foreach(j "" _DEBUG _RELEASE)
+    foreach(i MODULE EXE SHARED)
+        set(OVERRIDE_LDFLAGS_SHARED${j} "" CACHE STRING "")
+        set(CMAKE_${i}_LINKER_FLAGS${j} "${_LDFLAGS${j}} ${_LDFLAGS_${i}} ${_LDFLAGS_${i}${j}} ${OVERRIDE_LDFLAGS_SHARED${j}}" CACHE STRING "" FORCE)
+    endforeach()
+endforeach()
+
+set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE}" CACHE STRING "" FORCE)
+set(CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE}" 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_GENERATOR STREQUAL "NMake Makefiles") OR (CMAKE_GENERATOR STREQUAL "NMake Makefiles JOM"))
+    if("$ENV{LIBPATH}" STREQUAL "")
+        message("Error, no environment. Run:")
+        message("--\n")
+        message("cmd /k call \"%vs140comntools%\"\\..\\..\\vc\\bin\\vcvars32.bat & cd /d \"${CMAKE_BINARY_DIR}\"")
+        message("\n--")
+        message(FATAL_ERROR "cannot continue.")
+    endif()
+    if(CMAKE_PROJECT_NAME STREQUAL "opentrack")
+        set(warn-flag-found FALSE)
+        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 "${CMAKE_RC_FLAGS} -nologo")
+endif()