1 files changed, 84 insertions, 0 deletions
diff --git a/cmake/Options.cmake b/cmake/Options.cmake
new file mode 100644
index 000000000..b292567f0
--- /dev/null
+++ b/cmake/Options.cmake
@@ -0,0 +1,84 @@
+# Set the options for the directories (personal, shared, global).
+#
+# set_directory_options()
+#
+function(set_directory_options)
+    if (APPLE)
+        set(DEFAULT_PERSONAL_DIR "Documents/OpenTTD")
+        set(DEFAULT_SHARED_DIR "/Library/Application Support/OpenTTD")
+        set(DEFAULT_GLOBAL_DIR "(not set)")
+    elseif (WIN32)
+        set(DEFAULT_PERSONAL_DIR "OpenTTD")
+        set(DEFAULT_SHARED_DIR "(not set)")
+        set(DEFAULT_GLOBAL_DIR "(not set)")
+    elseif (UNIX)
+        set(DEFAULT_PERSONAL_DIR ".openttd")
+        set(DEFAULT_SHARED_DIR "(not set)")
+        set(DEFAULT_GLOBAL_DIR "${CMAKE_INSTALL_PREFIX}/share/games/openttd")
+    else ()
+        message(FATAL_ERROR "Unknown OS found; please consider creating a Pull Request to add support for this OS.")
+    endif ()
+
+    if (NOT PERSONAL_DIR)
+        set(PERSONAL_DIR "${DEFAULT_PERSONAL_DIR}" CACHE STRING "Personal directory")
+        message(STATUS "Detecting Personal Data directory - ${PERSONAL_DIR}")
+    endif (NOT PERSONAL_DIR)
+
+    if (NOT SHARED_DIR)
+        set(SHARED_DIR "${DEFAULT_SHARED_DIR}" CACHE STRING "Shared directory")
+        message(STATUS "Detecting Shared Data directory - ${SHARED_DIR}")
+    endif (NOT SHARED_DIR)
+
+    if (NOT GLOBAL_DIR)
+        set(GLOBAL_DIR "${DEFAULT_GLOBAL_DIR}" CACHE STRING "Global directory")
+        message(STATUS "Detecting Global Data directory - ${GLOBAL_DIR}")
+    endif (NOT GLOBAL_DIR)
+endfunction()
+
+# Set some generic options that influence what is being build.
+#
+# set_options()
+#
+function(set_options)
+    if (UNIX AND NOT APPLE)
+        set(DEFAULT_OPTION_INSTALL_FHS YES)
+    else (UNIX AND NOT APPLE)
+        set(DEFAULT_OPTION_INSTALL_FHS NO)
+    endif (UNIX AND NOT APPLE)
+
+    option(OPTION_DEDICATED "Build dedicated server only (no GUI)" NO)
+    option(OPTION_INSTALL_FHS "Install with Filesstem Hierarchy Standard folders" ${DEFAULT_OPTION_INSTALL_FHS})
+    option(OPTION_USE_ASSERTS "Use assertions; leave enabled for nightlies, betas, and RCs" YES)
+    option(OPTION_USE_THREADS "Use threads" YES)
+endfunction()
+
+# Show the values of the generic options.
+#
+# show_options()
+#
+function(show_options)
+    message(STATUS "Option Dedicated - ${OPTION_DEDICATED}")
+    message(STATUS "Option Install FHS - ${OPTION_INSTALL_FHS}")
+    message(STATUS "Option Use assert - ${OPTION_USE_ASSERTS}")
+    message(STATUS "Option Use threads - ${OPTION_USE_THREADS}")
+endfunction()
+
+# Add the definitions for the options that are selected.
+#
+# add_definitions_based_on_options()
+#
+function(add_definitions_based_on_options)
+    if (OPTION_DEDICATED)
+        add_definitions(-DDEDICATED)
+    endif (OPTION_DEDICATED)
+
+    if (NOT OPTION_USE_THREADS)
+        add_definitions(-DNO_THREADS)
+    endif (NOT OPTION_USE_THREADS)
+
+    if (OPTION_USE_ASSERTS)
+        add_definitions(-DWITH_ASSERT)
+    else (OPTION_USE_ASSERTS)
+        add_definitions(-DNDEBUG)
+    endif (OPTION_USE_ASSERTS)
+endfunction()