cmake: (fixup) rework implementation

CMakeLists.txt

@@ -41,12 +41,6 @@ if(${CMAKE_VERSION} VERSION_EQUAL "3.9.0" OR ${CMAKE_VERSION} VERSION_GREATER "3
     set_property(CACHE LTO_STRATEGY PROPERTY STRINGS "Auto" "Enabled" "Disabled")
 endif()
 
-set(BITPIT_SHOW_EXPERIMENTAL 0 CACHE BOOL "If set, it will be possible to enable/disable experimental features")
-MARK_AS_ADVANCED(BITPIT_SHOW_EXPERIMENTAL)
-
-set(BITPIT_SHOW_DEPRECATED 0 CACHE BOOL "If set, it will be possible to enable/disable deprecated features")
-MARK_AS_ADVANCED(BITPIT_SHOW_DEPRECATED)
-
 #------------------------------------------------------------------------------------#
 # Functions
 #------------------------------------------------------------------------------------#
@@ -131,32 +125,32 @@ endfunction()
 #
 # Experimental features are disabled by default.
 function(defineExperimentalFeature FEATURE_NAME FEATURE_DESCRIPTION)
-    defineFeature(${FEATURE_NAME} ${FEATURE_DESCRIPTION} ${BITPIT_SHOW_EXPERIMENTAL} 0)
+    defineFeature("EXPERIMENTAL_${FEATURE_NAME}" ${FEATURE_DESCRIPTION} 0)
 endfunction()
 
 # Define a module experimental feature
 #
 # Experimental features are disabled by default.
 function(defineExperimentalModuleFeature MODULE_NAME FEATURE_NAME FEATURE_DESCRIPTION)
     string(TOUPPER ${MODULE_NAME} UPPERCASE_MODULE_NAME)
-    set(MODULE_FEATURE_NAME ${UPPERCASE_MODULE_NAME}_${FEATURE_NAME})
-    defineFeature(${MODULE_FEATURE_NAME} ${FEATURE_DESCRIPTION} ${BITPIT_SHOW_EXPERIMENTAL} 0)
+    set(MODULE_FEATURE_NAME "${UPPERCASE_MODULE_NAME}_EXPERIMENTAL_${FEATURE_NAME}")
+    defineFeature("${MODULE_FEATURE_NAME}" ${FEATURE_DESCRIPTION} 0)
 endfunction()
 
 # Define a deprecated feature
 #
 # Deprecated features are enabled by default.
 function(defineDeprecatedFeature FEATURE_NAME FEATURE_DESCRIPTION)
-    defineFeature(${FEATURE_NAME} ${FEATURE_DESCRIPTION} ${BITPIT_SHOW_DEPRECATED} 1)
+    defineFeature("DEPRECATED_${FEATURE_NAME}" ${FEATURE_DESCRIPTION} 1)
 endfunction()
 
 # Define a module deprecated feature
 #
 # Deprecated features are enabled by default.
 function(defineDeprecatedModuleFeature MODULE_NAME FEATURE_NAME FEATURE_DESCRIPTION)
     string(TOUPPER ${MODULE_NAME} UPPERCASE_MODULE_NAME)
-    set(MODULE_FEATURE_NAME ${UPPERCASE_MODULE_NAME}_${FEATURE_NAME})
-    defineFeature(${MODULE_FEATURE_NAME} ${FEATURE_DESCRIPTION} ${BITPIT_SHOW_DEPRECATED} 1)
+    set(MODULE_FEATURE_NAME "${UPPERCASE_MODULE_NAME}_DEPRECATED_${FEATURE_NAME}")
+    defineFeature("${MODULE_FEATURE_NAME}" ${FEATURE_DESCRIPTION} 1)
 endfunction()
 
 # Define a feature
@@ -165,15 +159,11 @@ endfunction()
 # the feature FEATURE the corresponding preprocessor macro will be called
 # BITPIT_FEATURE. Ye value of the macro will be set to 1 if the feature is
 # enable or it will be set to 0 if the feature is disabled.
-function(defineFeature FEATURE_NAME FEATURE_DESCRIPTION AVAILABLE DEFAULT_STATUS)
+function(defineFeature FEATURE_NAME FEATURE_DESCRIPTION DEFAULT_STATUS)
     string(TOUPPER ${FEATURE_NAME} UPPER_FEATURE_NAME)
     set(BITPIT_FEATURE_NAME BITPIT_${UPPER_FEATURE_NAME})
-    if(AVAILABLE)
-        set(${BITPIT_FEATURE_NAME} ${DEFAULT_STATUS} CACHE BOOL ${FEATURE_DESCRIPTION})
-        mark_as_advanced(${BITPIT_FEATURE_NAME})
-    else()
-        unset(${BITPIT_FEATURE_NAME} CACHE)
-    endif()
+    set(${BITPIT_FEATURE_NAME} ${DEFAULT_STATUS} CACHE BOOL ${FEATURE_DESCRIPTION})
+    mark_as_advanced(${BITPIT_FEATURE_NAME})
 
     set(FEATURE_ENTRY "${BITPIT_FEATURE_NAME}")
     if(NOT DEFINED ${BITPIT_FEATURE_NAME})
@@ -385,7 +375,7 @@ set(LEVELSET_EXTERNAL_DEPS "")
 set(POD_EXTERNAL_DEPS "LAPACKE")
 
 #------------------------------------------------------------------------------------#
-# Features
+# Experimental/deprecated features
 #------------------------------------------------------------------------------------#
 
 #------------------------------------------------------------------------------------#