core-utils - rework link_libraries and include_directories propagation

By properly marking certain parameters as private or public
we can have cmake work out most of the link_libraries and
include_directoris for other targets dependent on core-utils

bindings/guile/CMakeLists.txt

@@ -22,23 +22,20 @@ add_dependencies(gnucash-guile
     swig-runtime-h)
 
 target_include_directories(gnucash-guile
-    PRIVATE
-        ${CMAKE_SOURCE_DIR}/common
-        ${CMAKE_BINARY_DIR}/common
-        ${CMAKE_SOURCE_DIR}/libgnucash/core-utils
-        ${CMAKE_BINARY_DIR}/libgnucash/core-utils # For gnc-version-info.h
-        ${GLIB2_INCLUDE_DIRS}
-        ${GTK_MAC_INCLUDE_DIRS}
     PUBLIC
         ${CMAKE_CURRENT_SOURCE_DIR}
-        ${GUILE_INCLUDE_DIRS})
+        ${GUILE_INCLUDE_DIRS}
+        ${GLIB2_INCLUDE_DIRS}
+    PRIVATE
+        ${CMAKE_SOURCE_DIR}/common
+        ${CMAKE_BINARY_DIR}/common)
 
 target_link_libraries(gnucash-guile
-    gnc-core-utils
+    PUBLIC
         ${GUILE_LDFLAGS}
-    ${GLIB2_LDFLAGS}
+    PRIVATE
-    ${GOBJECT_LDFLAGS}
+        gnc-core-utils
-    ${GTK_MAC_LDFLAGS})
+        ${GLIB2_LDFLAGS})
 
 install(TARGETS gnucash-guile
     LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}

gnucash/gnome/CMakeLists.txt

@@ -146,6 +146,7 @@ target_link_libraries(gnc-gnome
     gncmod-gnome-utils
     gncmod-engine
     gnucash-guile
+    ${Boost_LIBRARIES}
     PkgConfig::GTK3
     ${GTK_MAC_LDFLAGS})
 

libgnucash/core-utils/CMakeLists.txt

@@ -47,9 +47,11 @@ target_include_directories(gnc-core-utils
         ${CMAKE_CURRENT_BINARY_DIR}
         ${CMAKE_CURRENT_SOURCE_DIR}
         ${GLIB2_INCLUDE_DIRS}
+    PRIVATE
         ${GTK_MAC_INCLUDE_DIRS})
 
 target_link_libraries(gnc-core-utils
+    PRIVATE
         ${Boost_LIBRARIES}
         ${GLIB2_LDFLAGS}
         ${GOBJECT_LDFLAGS}