Support for Windows compilation

Thanks for contributions from:
- RalfOGit <https://github.com/RalfOGit>
- MightyPiggie <https://github.com/MightyPiggie>

PR: #5

Signed-off-by: Mateusz Mazur <mateusz.mazur@e.email>

Author: Mazurel

.gitignore

@@ -30,9 +30,12 @@
 *.exe
 *.out
 *.app
-
 build
 
+# Windows specific
+out
+.vs
+
 # Gtags
 GTAGS
 GRTAGS

CMakeLists.txt

@@ -1,13 +1,20 @@
 cmake_minimum_required(VERSION 3.13)
-project(protocolConverter)
+project(modbus)
 
 set(CMAKE_CXX_STANDARD 17)
 
 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Wextra -Werror -pedantic")
 
 option(MODBUS_EXAMPLE "Build example program" OFF)
 option(MODBUS_TESTS "Build tests" OFF)
-option(MODBUS_COMMUNICATION "Use Modbus communication library" ON)
+option(MODBUS_TCP_COMMUNICATION "Use Modbus TCP communication library" ON)
+
+if(NOT win32)
+    # Serial not supported on Windows
+    option(MODBUS_SERIAL_COMMUNICATION "Use Modbus serial communication library" OFF)  # not supported by windows platform
+else()
+    message(STATUS "Modbus Serial not supported on Windows.")
+endif()
 
 add_subdirectory(src)
 

src/CMakeLists.txt

@@ -23,10 +23,14 @@ target_include_directories(Modbus_Core PUBLIC ${PROJECT_SOURCE_DIR}/include PRIV
 add_library(Modbus)
 target_link_libraries(Modbus Modbus_Core)
 
+if(MODBUS_SERIAL_COMMUNICATION)
+    message(STATUS "Enabling Modbus Serial")
+    add_subdirectory(Serial)
+    target_link_libraries(Modbus Modbus_Serial)
+endif()
 
-if(MODBUS_COMMUNICATION)
-    message("Modbus communication is experimental")
+if(MODBUS_TCP_COMMUNICATION)
+    message(STATUS "Enabling Modbus Serial")
     add_subdirectory(TCP)
-    add_subdirectory(Serial)
-    target_link_libraries(Modbus Modbus_TCP Modbus_Serial)
+    target_link_libraries(Modbus Modbus_TCP)
 endif()

tests/CMakeLists.txt

@@ -2,6 +2,10 @@ project(Google_tests)
 add_subdirectory(googletest)
 include_directories(${gtest_SOURCE_DIR}/include ${gtest_SOURCE_DIR})
 
+if (MSVC)
+    set(gtest_force_shared_crt on)
+endif()
+
 set(TestFiles MB/ModbusRequestTests.cpp
   MB/ModbusResponseTests.cpp
   MB/ModbusExceptionTests.cpp