Simplify default conditions

It was JustMagic's idea to add 'lunix'

src/cmkrlib/cmake.cpp

@@ -259,10 +259,11 @@ CMake::CMake(const std::string &path, bool build) {
         }
 
         // Reasonable default conditions (you can override these if you desire)
-        conditions["win32"] = conditions["windows"] = conditions["win"] = "WIN32";
-        conditions["macos"] = conditions["macosx"] = conditions["osx"] = conditions["mac"] = R"cond("${CMAKE_SYSTEM_NAME}" MATCHES "Darwin")cond";
-        conditions["unix"] = "UNIX";
-        conditions["linux"] = R"cond("${CMAKE_SYSTEM_NAME}" MATCHES "Linux")cond";
+        conditions["windows"] = R"cmake(WIN32)cmake";
+        conditions["macos"] = R"cmake("${CMAKE_SYSTEM_NAME}" MATCHES "Darwin")cmake";
+        conditions["unix"] = R"cmake(UNIX)cmake";
+        conditions["bsd"] = R"cmake("${CMAKE_SYSTEM_NAME}" MATCHES "BSD")cmake";
+        conditions["linux"] = conditions["lunix"] = R"cmake("${CMAKE_SYSTEM_NAME}" MATCHES "Linux")cmake";
 
         if (toml.contains("conditions")) {
             auto conds = toml::find<decltype(conditions)>(toml, "conditions");

tests/conditions/cmake.toml

@@ -8,10 +8,10 @@ custom = "CUSTOM"
 [target.example]
 type = "executable"
 sources = ["src/main.cpp"]
-win32.sources = ["src/win32.cpp"]
+windows.sources = ["src/windows_specific.cpp"]
 cmake-after = "message(STATUS cmake-after)"
-win32.cmake-after = "message(STATUS win32-after)"
-unix.cmake-after = "message(STATUS unix-after)"
+windows.cmake-after = "message(STATUS win32-after)"
 macos.cmake-after = "message(STATUS macos-after)"
-custom.cmake-after = "message(STATUS custom-after)"
 linux.cmake-after = "message(STATUS linux-after)"
+unix.cmake-after = "message(STATUS unix-after)"
+custom.cmake-after = "message(STATUS custom-after)"