CMake - clubbing all include directories into one variable (#1166)

this CMake PR adds a cosmetic change to CMakeLists that is necessary when including Microphysics as a submodule in an external code. I clubbed all the include directories into one variable and defined it in the parent scope.

Author: psharda

CMakeLists.txt

@@ -92,12 +92,23 @@ else()
 endif()
 
 #setting .cpp files needed to make the test here
-#so that they are accessible to Quokka
+#so that they are accessible to codes using
+#Microphysics as a submodule
 set(primordial_chem_sources ${CMAKE_CURRENT_SOURCE_DIR}/interfaces/eos_data.cpp
                             ${CMAKE_CURRENT_SOURCE_DIR}/interfaces/network_initialization.cpp
                             ${CMAKE_CURRENT_SOURCE_DIR}/EOS/primordial_chem/actual_eos_data.cpp
                             ${CMAKE_BINARY_DIR}/extern_parameters.cpp)
 
+
+#setting directories needed to make the test here
+#so that they are accessible to codes using
+#Microphysics as a submodule
+set (primordial_chem_dirs ${CMAKE_BINARY_DIR} ${CMAKE_CURRENT_SOURCE_DIR}/util ${CMAKE_CURRENT_SOURCE_DIR}/util/gcem/include ${CMAKE_CURRENT_SOURCE_DIR}/integration/VODE
+                          ${CMAKE_CURRENT_SOURCE_DIR}/integration/utils ${CMAKE_CURRENT_SOURCE_DIR}/integration
+                          ${CMAKE_CURRENT_SOURCE_DIR}/EOS ${CMAKE_CURRENT_SOURCE_DIR}/EOS/primordial_chem ${CMAKE_CURRENT_SOURCE_DIR}/networks/primordial_chem ${CMAKE_CURRENT_SOURCE_DIR}/networks ${CMAKE_CURRENT_SOURCE_DIR}/interfaces
+                          ${CMAKE_CURRENT_SOURCE_DIR}/constants ${CMAKE_CURRENT_SOURCE_DIR}/networks/general_null)
+
+
 #set a cache variable that controls whether
 #we want to build the unit test or not
 set(BUILD_UNIT_TEST false CACHE BOOL "Do you want to build the unit test? (true/false)")

unit_test/CMakeLists.txt

@@ -1,8 +1,5 @@
 #include these directories based on the output of the traditional make
-include_directories(${CMAKE_BINARY_DIR} ${CMAKE_CURRENT_SOURCE_DIR}/../util ${CMAKE_CURRENT_SOURCE_DIR}/../util/gcem/include ${CMAKE_CURRENT_SOURCE_DIR}/../integration/VODE ${CMAKE_CURRENT_SOURCE_DIR}/../integration/utils ${CMAKE_CURRENT_SOURCE_DIR}/../integration
-                    ${CMAKE_CURRENT_SOURCE_DIR}/../EOS ${CMAKE_CURRENT_SOURCE_DIR}/../EOS/primordial_chem ${CMAKE_CURRENT_SOURCE_DIR}/../networks/primordial_chem ${CMAKE_CURRENT_SOURCE_DIR}/../networks ${CMAKE_CURRENT_SOURCE_DIR}/../interfaces
-                    ${CMAKE_CURRENT_SOURCE_DIR}/../constants ${CMAKE_CURRENT_SOURCE_DIR}/../networks/general_null)
-
+include_directories(${primordial_chem_dirs})
 
 #add primordial_chem test
 add_subdirectory(burn_cell_primordial_chem)