MSVC support

CMakeLists.txt

@@ -13,7 +13,12 @@ if (NOT DEFINED OPTCON_LOCAL_BUILD)
     FetchContent_MakeAvailable(fmt)
 endif()
 
-add_compile_options(-Wall -Wextra -Wpedantic)
+if (MSVC)
+    # https://learn.microsoft.com/en-us/cpp/build/reference/compiler-option-warning-level?view=msvc-170
+    add_compile_options(/Wall)
+else()
+    add_compile_options(-Wall -Wextra -Wpedantic)
+endif()
 
 add_subdirectory(src)
 add_subdirectory(test)

src/ipc.hpp

@@ -9,6 +9,11 @@
 #include <windows.h>
 #endif
 
+#if defined(_MSC_VER)
+// https://www.scivision.dev/ssize_t-platform-independent
+#define ssize_t std::ptrdiff_t
+#endif
+
 namespace ipc {
 
 void

src/ipc_win.cpp

@@ -5,7 +5,10 @@
 #include <fmt/core.h>
 #include <string>
 #include <thread>
+
+#if !defined(_MSC_VER)
 #include <unistd.h>
+#endif
 
 #include "ipc.hpp"
 

test/test_ipc.cpp

@@ -2,7 +2,10 @@
 #include <cmath>
 #include <fmt/core.h>
 #include <thread>
+
+#if !defined(_MSC_VER)
 #include <unistd.h>
+#endif
 
 #include "ipc/api.hpp"