Revert "Suggestion for an option that disabled OpDiLib."

This reverts commit a9466bb.

Author: jblueh

Common/include/code_config.hpp

@@ -112,7 +112,7 @@ using su2mixedfloat = passivedouble;
 #endif
 
 /*--- Detect if OpDiLib has to be used. ---*/
-#if defined(HAVE_OMP) && defined(CODI_REVERSE_TYPE) && !defined(FORCE_OPDI_OFF)
+#if defined(HAVE_OMP) && defined(CODI_REVERSE_TYPE)
 #ifndef __INTEL_COMPILER
 #define HAVE_OPDI
 #else

meson.build

@@ -117,20 +117,16 @@ if omp
 
   # add opdi dependency
   if get_option('enable-autodiff')
-    if get_option('opdi-backend') == 'none'
-      su2_cpp_args += '-DFORCE_OPDI_OFF'
-    else
-      codi_dep += declare_dependency(include_directories: 'externals/opdi/include')
-
-      if get_option('opdi-backend') == 'macro'
-        su2_cpp_args += '-DFORCE_OPDI_MACRO_BACKEND'
-      elif get_option('opdi-backend') == 'ompt'
-        su2_cpp_args += '-DFORCE_OPDI_OMPT_BACKEND'
-      endif
-
-      if get_option('opdi-shared-read-opt') == false
-        su2_cpp_args += '-DOPDI_VARIABLE_ADJOINT_ACCESS_MODE=0'
-      endif
+    codi_dep += declare_dependency(include_directories: 'externals/opdi/include')
+
+    if get_option('opdi-backend') == 'macro'
+      su2_cpp_args += '-DFORCE_OPDI_MACRO_BACKEND'
+    elif get_option('opdi-backend') == 'ompt'
+      su2_cpp_args += '-DFORCE_OPDI_OMPT_BACKEND'
+    endif
+
+    if get_option('opdi-shared-read-opt') == false
+      su2_cpp_args += '-DOPDI_VARIABLE_ADJOINT_ACCESS_MODE=0'
     endif
   endif
 endif

meson_options.txt

@@ -18,7 +18,7 @@ option('enable-tests',  type : 'boolean', value : false, description: 'compile U
 option('enable-mixedprec', type : 'boolean', value : false, description: 'use single precision floating point arithmetic for sparse algebra')
 option('extra-deps', type : 'string', value : '', description: 'comma-separated list of extra (custom) dependencies to add for compilation')
 option('enable-mpp',  type : 'boolean', value : false, description: 'enable Mutation++ support')
-option('opdi-backend', type : 'combo', choices : ['none', 'auto', 'macro', 'ompt'], value : 'auto', description: 'OpDiLib backend choice')
+option('opdi-backend', type : 'combo', choices : ['auto', 'macro', 'ompt'], value : 'auto', description: 'OpDiLib backend choice')
 option('codi-tape', type : 'combo', choices : ['JacobianLinear', 'JacobianIndex'], value : 'JacobianLinear', description: 'CoDiPack tape choice')
 option('opdi-shared-read-opt', type : 'boolean', value : true, description : 'OpDiLib shared reading optimization')
 option('librom_root', type : 'string', value : '', description: 'libROM base directory')