Fixup no libusb build

Author: will-v-pi

CMakeLists.txt

@@ -57,11 +57,39 @@ endif()
 
 list(APPEND CMAKE_MODULE_PATH ${CMAKE_CURRENT_LIST_DIR}/cmake)
 
+if (NOT DEFINED USE_PRECOMPILED)
+    set(USE_PRECOMPILED true)
+endif()
+
+# compile enc_bootloader.elf
+if (NOT DEFINED USE_PRECOMPILED)
+set(USE_PRECOMPILED true)
+endif()
+ExternalProject_Add(enc_bootloader
+    PREFIX enc_bootloader
+    SOURCE_DIR ${CMAKE_CURRENT_LIST_DIR}/enc_bootloader
+    BINARY_DIR ${CMAKE_BINARY_DIR}/enc_bootloader
+    CMAKE_ARGS 
+        "-DCMAKE_MAKE_PROGRAM:FILEPATH=${CMAKE_MAKE_PROGRAM}"
+        "-DPICO_SDK_PATH:FILEPATH=${PICO_SDK_PATH}"
+        "-DUSE_PRECOMPILED:BOOL=${USE_PRECOMPILED}"
+        "-DPICO_DEBUG_INFO_IN_RELEASE=OFF"
+    BUILD_ALWAYS 1 # todo remove this
+    INSTALL_COMMAND ""
+    )
+
+set(ENC_BOOTLOADER_ELF ${CMAKE_BINARY_DIR}/enc_bootloader/enc_bootloader.elf)
+add_executable(enc_bootloader_elf IMPORTED)
+add_dependencies(enc_bootloader_elf enc_bootloader)
+set_property(TARGET enc_bootloader_elf PROPERTY IMPORTED_LOCATION ${ENC_BOOTLOADER_ELF})
+# copy enc_bootloader.elf into build directory
+add_custom_command(TARGET enc_bootloader
+COMMAND ${CMAKE_COMMAND} -E copy ${ENC_BOOTLOADER_ELF} ${CMAKE_BINARY_DIR}/enc_bootloader.elf
+DEPENDS enc_bootloader
+)
+
 if (NOT PICOTOOL_NO_LIBUSB)
     # compile xip_ram_perms.elf
-    if (NOT DEFINED USE_PRECOMPILED)
-        set(USE_PRECOMPILED true)
-    endif()
     ExternalProject_Add(xip_ram_perms
             PREFIX xip_ram_perms
             SOURCE_DIR ${CMAKE_CURRENT_LIST_DIR}/xip_ram_perms
@@ -85,33 +113,6 @@ if (NOT PICOTOOL_NO_LIBUSB)
         DEPENDS xip_ram_perms
     )
 
-    # compile enc_bootloader.elf
-    if (NOT DEFINED USE_PRECOMPILED)
-        set(USE_PRECOMPILED true)
-    endif()
-    ExternalProject_Add(enc_bootloader
-            PREFIX enc_bootloader
-            SOURCE_DIR ${CMAKE_CURRENT_LIST_DIR}/enc_bootloader
-            BINARY_DIR ${CMAKE_BINARY_DIR}/enc_bootloader
-            CMAKE_ARGS 
-                "-DCMAKE_MAKE_PROGRAM:FILEPATH=${CMAKE_MAKE_PROGRAM}"
-                "-DPICO_SDK_PATH:FILEPATH=${PICO_SDK_PATH}"
-                "-DUSE_PRECOMPILED:BOOL=${USE_PRECOMPILED}"
-                "-DPICO_DEBUG_INFO_IN_RELEASE=OFF"
-            BUILD_ALWAYS 1 # todo remove this
-            INSTALL_COMMAND ""
-            )
-
-    set(ENC_BOOTLOADER_ELF ${CMAKE_BINARY_DIR}/enc_bootloader/enc_bootloader.elf)
-    add_executable(enc_bootloader_elf IMPORTED)
-    add_dependencies(enc_bootloader_elf enc_bootloader)
-    set_property(TARGET enc_bootloader_elf PROPERTY IMPORTED_LOCATION ${ENC_BOOTLOADER_ELF})
-    # copy enc_bootloader.elf into build directory
-    add_custom_command(TARGET enc_bootloader
-        COMMAND ${CMAKE_COMMAND} -E copy ${ENC_BOOTLOADER_ELF} ${CMAKE_BINARY_DIR}/enc_bootloader.elf
-        DEPENDS enc_bootloader
-    )
-
     # compile flash_id
     ExternalProject_Add(flash_id
             PREFIX picoboot_flash_id