Make some dependencies conditional

Signed-off-by: Kai-Uwe Hermann <[email protected]>

dependencies.yaml

@@ -46,6 +46,7 @@ libocpp:
 Josev:
   git: https://github.com/EVerest/ext-switchev-iso15118.git
   git_tag: 2023.12.0
+  cmake_condition: "EVEREST_ENABLE_PY_SUPPORT"
 # OpenV2G
 ext-openv2g:
   git: https://github.com/EVerest/ext-openv2g.git
@@ -62,6 +63,7 @@ ext-mbedtls:
 everest-utils:
   git: https://github.com/EVerest/everest-utils.git
   git_tag: v0.2.0
+  cmake_condition: "BUILD_TESTING"
 # evse-security, since this is a direct dependency of libocpp it will get overwritten by the version set there
 # setting it here can be misleading since it does not affect the version being used
 libevse-security:

lib/staging/CMakeLists.txt

@@ -1,4 +1,10 @@
 add_subdirectory(can_dpm1000)
-add_subdirectory(slac)
-add_subdirectory(gpio)
-add_subdirectory(ocpp)
+if((NOT libslac IN_LIST EVEREST_EXCLUDE_DEPENDENCIES) AND (NOT libfsm IN_LIST EVEREST_EXCLUDE_DEPENDENCIES))
+    add_subdirectory(slac)
+endif()
+if(NOT everest-gpio IN_LIST EVEREST_EXCLUDE_DEPENDENCIES)
+    add_subdirectory(gpio)
+endif()
+if(NOT libocpp IN_LIST EVEREST_EXCLUDE_DEPENDENCIES)
+    add_subdirectory(ocpp)
+endif()