Initial changes for Windows compatibility

CMakeLists.txt

@@ -75,10 +75,17 @@ check_struct_has_member ("struct tm" tm_gmtoff time.h HAVE_TM_GMTOFF)
 check_struct_has_member ("struct stat" st_birthtime "sys/types.h;sys/stat.h" HAVE_ST_BIRTHTIME)
 
 message ("-- Looking for libuuid")
-if (DARWIN OR FREEBSD OR OPENBSD)
+if (WINDOWS)
+  # Windows has built-in UUID functionality via RPC API
+  message ("-- Windows detected, using Windows UUID API")
+  # Add the required Windows libraries for UUID support
+  set (TASK_LIBRARIES ${TASK_LIBRARIES} rpcrt4)
+  set (HAVE_UUID_UNPARSE_LOWER TRUE)
+  # No need to add include dirs as Windows headers are already available
+elseif (DARWIN OR FREEBSD OR OPENBSD)
   # Apple and FreeBSD include the uuid functions in their libc, rather than libuuid
   check_function_exists (uuid_unparse_lower HAVE_UUID_UNPARSE_LOWER)
-else (DARWIN OR FREEBSD OR OPENBSD)
+else (WINDOWS)
   find_path    (UUID_INCLUDE_DIR   uuid/uuid.h)
   find_library (UUID_LIBRARY NAMES uuid)
   if (UUID_INCLUDE_DIR AND UUID_LIBRARY)
@@ -91,7 +98,7 @@ else (DARWIN OR FREEBSD OR OPENBSD)
   else (UUID_INCLUDE_DIR AND UUID_LIBRARY)
     message (FATAL_ERROR "-- libuuid not found.")
   endif (UUID_INCLUDE_DIR AND UUID_LIBRARY)
-endif (DARWIN OR FREEBSD OR OPENBSD)
+endif (WINDOWS)
 
 if (HAVE_UUID_UNPARSE_LOWER)
   message ("-- Found libuuid")

cmake/CXXSniffer.cmake

@@ -3,14 +3,23 @@ message ("-- System: ${CMAKE_SYSTEM_NAME}")
 
 include (CheckCXXCompilerFlag)
 
-CHECK_CXX_COMPILER_FLAG("-std=c++17"   _HAS_CXX17)
+# Check for MSVC compiler to use the correct flag
+if(MSVC)
+  set(_HAS_CXX17 ON)  # MSVC 2019 supports C++17 by default
+  set(CMAKE_CXX_STANDARD 17)
+  set(CMAKE_CXX_STANDARD_REQUIRED ON)
+  set(CMAKE_CXX_EXTENSIONS OFF)
+else()
+  # For GCC, Clang, etc.
+  CHECK_CXX_COMPILER_FLAG("-std=c++17" _HAS_CXX17)
 
-if (_HAS_CXX17)
-  set (CMAKE_CXX_STANDARD 17)
-  set (CMAKE_CXX_EXTENSIONS OFF)
-else (_HAS_CXX17)
- message (FATAL_ERROR "C++17 support missing. Try upgrading your C++ compiler. If you have a good reason for using an outdated compiler, please let us know at [email protected].")
-endif (_HAS_CXX17)
+  if (_HAS_CXX17)
+    set (CMAKE_CXX_STANDARD 17)
+    set (CMAKE_CXX_EXTENSIONS OFF)
+  else (_HAS_CXX17)
+    message (FATAL_ERROR "C++17 support missing. Try upgrading your C++ compiler. If you have a good reason for using an outdated compiler, please let us know at [email protected].")
+  endif (_HAS_CXX17)
+endif()
 
 if (${CMAKE_SYSTEM_NAME} MATCHES "Linux")
   set (LINUX true)
@@ -34,9 +43,15 @@ elseif (${CMAKE_SYSTEM_NAME} STREQUAL "GNU")
 elseif (${CMAKE_SYSTEM_NAME} STREQUAL "CYGWIN")
   set (CYGWIN true)
   set (CMAKE_CXX_EXTENSIONS ON)
-else (${CMAKE_SYSTEM_NAME} MATCHES "Linux")
+elseif (${CMAKE_SYSTEM_NAME} MATCHES "Windows")
+  set (WINDOWS true)
+  # Add Windows-specific flags if needed
+else ()
   set (UNKNOWN true)
-endif (${CMAKE_SYSTEM_NAME} MATCHES "Linux")
+endif ()
 
-set (CMAKE_CXX_FLAGS "${_CXX14_FLAGS} ${CMAKE_CXX_FLAGS}")
-set (CMAKE_CXX_FLAGS "-Wall -Wextra -Wsign-compare -Wreturn-type ${CMAKE_CXX_FLAGS}")
+if(NOT MSVC)
+  # These flags are not applicable to MSVC
+  set (CMAKE_CXX_FLAGS "${_CXX14_FLAGS} ${CMAKE_CXX_FLAGS}")
+  set (CMAKE_CXX_FLAGS "-Wall -Wextra -Wsign-compare -Wreturn-type ${CMAKE_CXX_FLAGS}")
+endif()

src/recur.h

@@ -36,11 +36,20 @@
 #include <Duration.h>
 #include <Lexer.h>
 #include <format.h>
+
+// Platform-specific includes
+#ifdef _WIN32
+#include <windows.h>
+// Windows-specific user info implementation will be needed
+// Create a pwd.h equivalent for Windows
+#else
 #include <pwd.h>
 #include <sys/types.h>
+#include <unistd.h>
+#endif
+
 #include <time.h>
 #include <unicode.h>
-#include <unistd.h>
 #include <util.h>
 
 #include <optional>

src/util.h

@@ -30,16 +30,25 @@
 #include <cmake.h>
 // cmake.h include header must come first
 
-#include <sys/types.h>
-
 #include <string>
 #include <vector>
-#if defined(FREEBSD) || defined(OPENBSD)
+
+// Platform-specific UUID handling
+#ifdef _WIN32
+#include <rpc.h>
+#include <windows.h>
+// Define uuid_t for Windows compatibility
+typedef UUID uuid_t;
+#ifndef uuid_unparse_lower
+void uuid_unparse_lower(uuid_t uu, char* out);
+#endif
+#elif defined(FREEBSD) || defined(OPENBSD)
+#include <sys/types.h>
 #include <uuid.h>
 #else
+#include <sys/types.h>
 #include <uuid/uuid.h>
 #endif
-#include <Table.h>
 
 // util.cpp
 int confirm4(const std::string&);