Disable bootloaders/encrypted example on older LLVM/Clang as it produces an invalid ELF

Author: kilograham

bootloaders/CMakeLists.txt

@@ -1,5 +1,10 @@
 if (TARGET pico_mbedtls)
-    add_subdirectory_exclude_platforms(encrypted host rp2040 rp2350-riscv)
+    # older clang seem to have a segment overlap issue that confuses picotool
+    if (PICO_C_COMPILER_IS_CLANG AND CMAKE_C_COMPILER_VERSION VERSION_LESS "17.0.0")
+        message("Skipping encrypted bootloader example on LLVM/Clang version < 17; please use GCC or newer LLVM/Clang")
+    else()
+        add_subdirectory_exclude_platforms(encrypted host rp2040 rp2350-riscv)
+    endif()
 else()
     # Assume picotool has no signing support, if no pico_mbedtls available
     message("Skipping encrypted bootloader example as pico_mbedtls unavailable")