Remove KICAD_OCC build option

We don't really support builds without OCC these days.  Removing to
clear up build flags and settings

CMakeLists.txt

@@ -62,10 +62,6 @@ option( KICAD_SCRIPTING_WXPYTHON
     ON )
 mark_as_advanced( KICAD_SCRIPTING_WXPYTHON )
 
-option( KICAD_USE_OCC
-    "Build tools and plugins related to OpenCascade Technology (default ON)"
-    ON )
-
 option( KICAD_INSTALL_DEMOS
     "Install KiCad demos and examples (default ON)"
     ON )
@@ -516,10 +512,6 @@ if( KICAD_SPICE )
     add_definitions( -DKICAD_SPICE )
 endif()
 
-if( KICAD_USE_OCC )
-    add_definitions( -DKICAD_USE_OCC )
-endif()
-
 if( KICAD_SIGNAL_INTEGRITY )
     add_definitions( -DKICAD_SIGNAL_INTEGRITY )
 endif()
@@ -797,11 +789,10 @@ if( KICAD_SPICE )
 endif()
 
 # Find OpenCascade, required for STEP plugin and tools
-if( KICAD_USE_OCC )
 find_package(OCC)
 if( NOT OCC_FOUND )
     MESSAGE( FATAL_ERROR "================================================================\n"
-                             " KICAD_USE_OCC=True but OpenCASCADE was not found!\n"
+                         " OpenCASCADE was not found!\n"
                          "================================================================\n")
 endif()
 if( OCC_VERSION_STRING VERSION_LESS 7.3.0 )
@@ -811,7 +802,6 @@ if( KICAD_USE_OCC )
                          "================================================================\n")
 endif()
 include_directories( SYSTEM ${OCC_INCLUDE_DIR} )
-endif()
 
 # Assist with header file searching optimization:
 # INC_BEFORE and INC_AFTER are two lists which go at the front and back of the

CMakeSettings.json.sample

@@ -36,11 +36,6 @@
           "value": "ON",
           "type": "STRING"
         },
-        {
-          "name": "KICAD_USE_OCC",
-          "value": "ON",
-          "type": "BOOL"
-        },
         {
           "name": "KICAD_BUILD_QA_TESTS",
           "value": "False",
@@ -70,11 +65,6 @@
           "value": "ON",
           "type": "STRING"
         },
-        {
-          "name": "KICAD_USE_OCC",
-          "value": "ON",
-          "type": "BOOL"
-        },
         {
           "name": "KICAD_BUILD_QA_TESTS",
           "value": "False",
@@ -104,11 +94,6 @@
           "value": "ON",
           "type": "STRING"
         },
-        {
-          "name": "KICAD_USE_OCC",
-          "value": "ON",
-          "type": "BOOL"
-        },
         {
           "name": "KICAD_BUILD_QA_TESTS",
           "value": "False",
@@ -138,11 +123,6 @@
           "value": "ON",
           "type": "STRING"
         },
-        {
-          "name": "KICAD_USE_OCC",
-          "value": "ON",
-          "type": "BOOL"
-        },
         {
           "name": "KICAD_BUILD_QA_TESTS",
           "value": "False",
@@ -182,11 +162,6 @@
           "value": "ON",
           "type": "STRING"
         },
-        {
-          "name": "KICAD_USE_OCC",
-          "value": "OFF",
-          "type": "BOOL"
-        },
         {
           "name": "KICAD_BUILD_QA_TESTS",
           "value": "False",

common/build_version.cpp

@@ -37,9 +37,7 @@
 extern std::string GetKicadCurlVersion();
 extern std::string GetCurlLibVersion();
 
-#if defined( KICAD_USE_OCC )
 #include <Standard_Version.hxx>
-#endif
 
 #if defined( KICAD_SPICE )
 #include <ngspice/sharedspice.h>
@@ -184,10 +182,7 @@ wxString GetVersionInfoData( const wxString& aTitle, bool aHtml, bool aBrief )
          << ( BOOST_VERSION / 100 % 1000 ) << wxT( "." )
          << ( BOOST_VERSION % 100 ) << eol;
 
-#ifdef KICAD_USE_OCC
     aMsg << indent4 << "OCC: " << OCC_VERSION_COMPLETE << eol;
-#endif
-
     aMsg << indent4 << "Curl: " << GetCurlLibVersion() << eol;
 
 #if defined( KICAD_SPICE )
@@ -228,10 +223,6 @@ wxString GetVersionInfoData( const wxString& aTitle, bool aHtml, bool aBrief )
     // Add build settings config (build options):
     aMsg << "Build settings:" << eol;
 
-#ifdef KICAD_USE_OCC
-    aMsg << indent4 << "KICAD_USE_OCC=" << ON;
-#endif
-
 #ifdef KICAD_USE_EGL
     aMsg << indent4 << "KICAD_USE_EGL=" << ON;
 #endif

kicad/CMakeLists.txt

@@ -128,9 +128,7 @@ if( APPLE )
         set( BUNDLE_FIX_DIRS ${BUNDLE_FIX_DIRS} ${MACOS_EXTRA_BUNDLE_FIX_DIRS} ) # TODO: where should we document MACOS_EXTRA_BUNDLE_FIX_DIRS?
     endif()
 
-    if( KICAD_USE_OCC )
     set( BUNDLE_FIX_DIRS ${BUNDLE_FIX_DIRS} ${OCC_LIBRARY_DIR} )
-    endif()
 
     # make main bundle relocatable
     install( CODE "

plugins/3d/CMakeLists.txt

@@ -1,6 +1,3 @@
 add_subdirectory( idf )
 add_subdirectory( vrml )
-
-if( KICAD_USE_OCC )
 add_subdirectory( oce )
-endif( KICAD_USE_OCC )

utils/CMakeLists.txt

@@ -5,7 +5,4 @@ if( COMPILER_SUPPORTS_WARNINGS )
 endif()
 
 add_subdirectory( idftools )
-
-if( KICAD_USE_OCC )
 add_subdirectory( kicad2step )
-endif( KICAD_USE_OCC )