Always build bundled libb64 and libutp libraries as static (#4810)

CMakeLists.txt

@@ -497,12 +497,16 @@ tr_add_external_auto_library(PSL libpsl psl
 if(ENABLE_UTP)
     tr_add_external_auto_library(UTP libutp utp
         SUBPROJECT
-        TARGET libutp::libutp)
+        TARGET libutp::libutp
+        CMAKE_ARGS
+            -DLIBUTP_SHARED:BOOL=OFF)
 endif()
 
 tr_add_external_auto_library(B64 libb64 b64
     SUBPROJECT
-    TARGET libb64::libb64)
+    TARGET libb64::libb64
+    CMAKE_ARGS
+        -DLIBB64_SHARED:BOOL=OFF)
 
 if(NOT ${REBUILD_WEB} STREQUAL "OFF")
     find_program(NPM npm)

cmake/TrMacros.cmake

@@ -140,6 +140,11 @@ macro(tr_add_external_auto_library ID DIRNAME LIBNAME)
     if(USE_SYSTEM_${ID})
         unset(${ID}_UPSTREAM_TARGET)
     elseif(_TAEAL_ARG_SUBPROJECT)
+        foreach(ARG IN LISTS _TAEAL_ARG_CMAKE_ARGS)
+            if(ARG MATCHES "^-D([^=: ]+)(:[^= ]+)?=(.*)$")
+                set(${CMAKE_MATCH_1} ${CMAKE_MATCH_3} CACHE INTERNAL "")
+            endif()
+        endforeach()
         add_subdirectory("${CMAKE_SOURCE_DIR}/third-party/${DIRNAME}" "${CMAKE_BINARY_DIR}/third-party/${DIRNAME}")
     else()
         set(${ID}_UPSTREAM_TARGET ${LIBNAME})