can not find Block.h when running configure

[OreOooRanJie]

OS: Ubuntu 20.04 x86
Clang version: 21.0.0
C++ version: C++20
Execute the command:
./configure --prefix=/home/xxx/ios/ --with-libtapi=/home/xxx/ios --target=arm-apple-darwin11 --with-llvm-config=...
The error is as follows:

I'm not sure whether this project depends on the iOS SDK files. When I add the header files in the iOS SDK to the compilation options and run the above command, it will prompt me as shown in the figure:

When I added the host parameter properly and ran it again, the following error occurred:

[tpoechtrager]

Like stated in the readme, you must install libdispatch: https://github.com/tpoechtrager/cctools-port?tab=readme-ov-file#dependencies

[OreOooRanJie]

Like stated in the readme, you must install libdispatch: https://github.com/tpoechtrager/cctools-port?tab=readme-ov-file#dependencies

I recompiled this dependency library, and it took effect. Thank you！