From f6333e0daee002d3d759e25a2ef2c7bda4054627 Mon Sep 17 00:00:00 2001
From: Roman Shapiro <eleroman@mail.ru>
Date: Thu, 16 Nov 2023 04:35:44 +0700
Subject: [PATCH] Added new experimental MSVC build way through CMake

---
 .gitignore                |  3 +++
 build/README.md           | 13 +++++++++++++
 build/create_solution.bat |  1 +
 src/CMakeLists.txt        | 26 ++++++++++++++++++++++++++
 src/protocol.c            |  5 +++++
 5 files changed, 48 insertions(+)
 create mode 100644 build/README.md
 create mode 100644 build/create_solution.bat
 create mode 100644 src/CMakeLists.txt

diff --git a/.gitignore b/.gitignore
index 35c0bed..e8e8f46 100644
--- a/.gitignore
+++ b/.gitignore
@@ -10,3 +10,6 @@ src/util/Makefile
 src/.accepted
 src/depend
 src/util/depend
+build/*
+!build/create_solution.bat
+!build/README.md
\ No newline at end of file
diff --git a/build/README.md b/build/README.md
new file mode 100644
index 0000000..c737b22
--- /dev/null
+++ b/build/README.md
@@ -0,0 +1,13 @@
+### Overview
+This guide describes how to build TbaMUD in the Visual Studio through the new experimental CMake environment.
+
+### Prerequisites
+* [Visual Studio 2022+](https://visualstudio.microsoft.com/ru/vs/)
+* [CMake 3.27+](https://cmake.org/)
+
+### Build Steps
+1. Goto the folder `build` and execute `create_solution.bat`.
+
+2. Open `build/circle.sln` in Visual Studio.
+
+3. Compile and run.
\ No newline at end of file
diff --git a/build/create_solution.bat b/build/create_solution.bat
new file mode 100644
index 0000000..ab60043
--- /dev/null
+++ b/build/create_solution.bat
@@ -0,0 +1 @@
+cmake -B . -S ..\src -G "Visual Studio 17 2022"
\ No newline at end of file
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
new file mode 100644
index 0000000..51832b4
--- /dev/null
+++ b/src/CMakeLists.txt
@@ -0,0 +1,26 @@
+cmake_minimum_required(VERSION 3.27)
+
+# Set the project name
+project(circle)
+
+# Global definitions
+if(MSVC)
+	# using Visual Studio C++
+	add_definitions(-D_CRT_SECURE_NO_WARNINGS -D_CRT_SECURE_NO_DEPRECATE -D_CRT_NONSTDC_NO_DEPRECATE)
+endif()
+
+# circle itself
+file(GLOB CIRCLE_SOURCES
+	"*.h"
+	"*.c"
+)
+
+add_executable(circle ${CIRCLE_SOURCES})
+
+if(MSVC)
+	target_link_libraries(circle wsock32.lib)
+	
+	set_target_properties(circle PROPERTIES
+		VS_DEBUGGER_WORKING_DIRECTORY "${CMAKE_SOURCE_DIR}/.."
+	)
+endif()
\ No newline at end of file
diff --git a/src/protocol.c b/src/protocol.c
index e2beac3..587e6ac 100644
--- a/src/protocol.c
+++ b/src/protocol.c
@@ -13,6 +13,11 @@
 #include <sys/types.h>
 #include "protocol.h"
 
+#ifdef _MSC_VER
+#include "telnet.h"
+#define alloca _alloca
+#endif
+
 /******************************************************************************
  The following section is for Diku/Merc derivatives.  Replace as needed.
  ******************************************************************************/