Fix system-wide installed libraries were shadowing bundled library headers

Fixes an issue when headers from system-wide install library (e.g., flac from brew)
were included instead of our headers

SYSTEM was introduced in cmake 3.25, hence version bump

Author: kryksyh

buildtools/manifest.cmake

@@ -3,7 +3,7 @@
 #   - every consumed dep is appended to the EXTDEPS_CONSUMED global property
 #   - per-dep globals (<name>_INSTALL_LIBRARIES, <name>_PREFIX)
 
-cmake_minimum_required(VERSION 3.24)
+cmake_minimum_required(VERSION 3.25)
 
 get_filename_component(EXTDEPS_DIR "${CMAKE_CURRENT_LIST_DIR}" DIRECTORY)
 

buildtools/resolve.cmake

@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.24)
+cmake_minimum_required(VERSION 3.25)
 
 get_filename_component(_EXTDEPS_ROOT "${CMAKE_CURRENT_LIST_DIR}" DIRECTORY)
 include("${CMAKE_CURRENT_LIST_DIR}/build_dependency.cmake")
@@ -57,6 +57,8 @@ endfunction()
 function(_extdeps_make_target target include_dirs link_libraries)
     if(target AND NOT TARGET ${target})
         add_library(${target} INTERFACE IMPORTED GLOBAL)
+        # non-SYSTEM so dep headers have the priority over system headers
+        set_property(TARGET ${target} PROPERTY SYSTEM FALSE)
         target_include_directories(${target} INTERFACE ${include_dirs})
         target_link_libraries(${target} INTERFACE ${link_libraries})
     endif()