[cmake] Compile ChemistryLib only if there are mass transport related processes

CMakeLists.txt

@@ -349,7 +349,14 @@ add_subdirectory(MathLib)
 add_subdirectory(MeshLib)
 add_subdirectory(MeshGeoToolsLib)
 add_subdirectory(NumLib)
+
+if (OGS_BUILD_PROCESS_ComponentTransport
+    OR OGS_BUILD_PROCESS_RichardsComponentTransport
+    OR OGS_BUILD_PROCESS_RichardsComponentTransport
+    OR OGS_BUILD_PROCESS_HeatTransportBHE)
     add_subdirectory(ChemistryLib)
+endif()
+
 if(OGS_BUILD_CLI OR OGS_BUILD_UTILS OR BUILD_TESTING)
     add_subdirectory(ParameterLib)
     add_subdirectory(MaterialLib)

ThirdParty/CMakeLists.txt

@@ -25,7 +25,12 @@ add_subdirectory(googletest)
 option(OGS_USE_OPTIONAL_SUBMODULES "Option for enabling optional submodules" OFF)
 
 #iphreeqc
+if (OGS_BUILD_PROCESS_ComponentTransport
+    OR OGS_BUILD_PROCESS_RichardsComponentTransport
+    OR OGS_BUILD_PROCESS_RichardsComponentTransport
+    OR OGS_BUILD_PROCESS_HeatTransportBHE)
     add_subdirectory(iphreeqc)
+endif()
 
 # MFrontGenericInterfaceSupport
 if (OGS_USE_MFRONT)