Workaround for missing -l option in libraries

Hi,



Package config files generated by grpc does not include -l option for these libraries `advapi32`, `dbghelp` and `bcrypt`. Currently grpc generates these library names within quotes `""` rather than with a `-l` option. Which makes linking to these libraries errorneous.



I tried to look for underlying issue. And I think the issue is probably with this `$<JOIN:${ABSL_CC_LIB_LINKOPTS}, >` here [grpc-1.45.2/third_party/abseil-cpp/CMAKE/AbseilHelpers.cmake](https://github.com/abseil/abseil-cpp/blob/215105818dfde3174fe799600bb0f3cae233d0bf/CMake/AbseilHelpers.cmake#L182).



And the affected pkgconfig files are the only ones which adds libraries using `${ABSL_CC_LIB_LINKOPTS}` that too within quotes `""` as opposed to followed by `-l` option. Just for records the effected files are `absl_base.pc`, `absl_symbolize.pc` and recently added `absl_random_internal_seed_material.pc` with `"advapi32"`, `"dbghelp"` and `"bcrypt"` libraries respectively.



Can you please give a workaround for this or a correct way to use .pc files which does not include -l option with the mentioned libraries?

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