From 156b3bd0149a7caee67faebcfb09c77157ac55b3 Mon Sep 17 00:00:00 2001
From: Victor Perevertkin <victor.perevertkin@reactos.org>
Date: Sat, 25 Apr 2020 03:14:44 +0300
Subject: [PATCH] [REACTOS] Drop support for Visual Studio below 2015

---
 README.md            |  2 +-
 configure.cmd        |  5 +----
 sdk/cmake/msvc.cmake | 12 +++++-------
 3 files changed, 7 insertions(+), 12 deletions(-)

diff --git a/README.md b/README.md
index bf96c76dab8..a200f9a5dc1 100644
--- a/README.md
+++ b/README.md
@@ -53,7 +53,7 @@ The code of ReactOS is licensed under [GNU GPL 2.0](https://github.com/reactos/r
 To build the system it is strongly advised to use the _ReactOS Build Environment (RosBE)._
 Up-to-date versions for Windows and for Unix/GNU-Linux are available from our download page at: ["Build Environment"](https://reactos.org/wiki/Build_Environment).
 
-Alternatively one can use Microsoft Visual C++ (MSVC) version 2010+. Building with MSVC is covered here: ["Visual Studio or Microsoft Visual C++"](https://reactos.org/wiki/CMake#Visual_Studio_or_Microsoft_Visual_C.2B.2B).
+Alternatively one can use Microsoft Visual C++ (MSVC) version 2015+. Building with MSVC is covered here: ["Visual Studio or Microsoft Visual C++"](https://reactos.org/wiki/CMake#Visual_Studio_or_Microsoft_Visual_C.2B.2B).
 
 ### Binaries
 
diff --git a/configure.cmd b/configure.cmd
index c0fa3ac00d4..2d780760681 100755
--- a/configure.cmd
+++ b/configure.cmd
@@ -50,14 +50,11 @@ if defined ROS_ARCH (
     cl 2>&1 | find "x86" > NUL && set ARCH=i386
     cl 2>&1 | find "x64" > NUL && set ARCH=amd64
     cl 2>&1 | find "ARM" > NUL && set ARCH=arm
-    cl 2>&1 | find "16.00." > NUL && set VS_VERSION=10
-    cl 2>&1 | find "17.00." > NUL && set VS_VERSION=11
-    cl 2>&1 | find "18.00." > NUL && set VS_VERSION=12
     cl 2>&1 | find "19.00." > NUL && set VS_VERSION=14
     cl 2>&1 | findstr /R /c:"19\.1.\." > NUL && set VS_VERSION=15
     cl 2>&1 | findstr /R /c:"19\.2.\." > NUL && set VS_VERSION=16
     if not defined VS_VERSION (
-        echo Error: Visual Studio version too old ^(before 10 ^(2010^)^) or version detection failed.
+        echo Error: Visual Studio version too old ^(before 14 ^(2015^)^) or version detection failed.
         goto quit
     )
     set BUILD_ENVIRONMENT=VS
diff --git a/sdk/cmake/msvc.cmake b/sdk/cmake/msvc.cmake
index ce526ed979f..01bbfee00e0 100644
--- a/sdk/cmake/msvc.cmake
+++ b/sdk/cmake/msvc.cmake
@@ -50,19 +50,17 @@ endif()
 
 # HACK: for VS 11+ we need to explicitly disable SSE, which is off by
 # default for older compilers. See CORE-6507
-if(MSVC_VERSION GREATER 1699 AND ARCH STREQUAL "i386")
+if(ARCH STREQUAL "i386")
     add_compile_flags("/arch:IA32")
 endif ()
 
 # VS 12+ requires /FS when used in parallel compilations
-if(MSVC_VERSION GREATER 1799 AND NOT MSVC_IDE)
+if(NOT MSVC_IDE)
     add_compile_flags("/FS")
 endif ()
 
 # VS14+ tries to use thread-safe initialization
-if(MSVC_VERSION GREATER 1899)
-    add_compile_flags("/Zc:threadSafeInit-")
-endif ()
+add_compile_flags("/Zc:threadSafeInit-")
 
 # HACK: Disable use of __CxxFrameHandler4 on VS 16.3+ (x64 only)
 # See https://developercommunity.visualstudio.com/content/problem/746534/visual-c-163-runtime-uses-an-unsupported-api-for-u.html
@@ -112,8 +110,8 @@ add_compile_flags("/wd4018")
 add_compile_flags("/we4013 /we4020 /we4022 /we4028 /we4047 /we4098 /we4101 /we4113 /we4129 /we4133 /we4163 /we4229 /we4311 /we4312 /we4313 /we4477 /we4603 /we4700 /we4715 /we4716")
 
 # - C4189: local variable initialized but not referenced
-# Not in Release mode and not with MSVC 2010
-if((NOT CMAKE_BUILD_TYPE STREQUAL "Release") AND (NOT MSVC_VERSION LESS 1700))
+# Not in Release mode
+if(NOT CMAKE_BUILD_TYPE STREQUAL "Release")
     add_compile_flags("/we4189")
 endif()