[Question]: what's .rsp file

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Chen Wang

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Oct 28, 2020, 1:55:34 PM10/28/20

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hello,

I'm building bionic, I checked the verbose.log and see following line:

[12039/15045] rm -f out/soong/.intermediates/bionic/libc/libc/android_x86_recovery_static/libc.a && prebuilts/clang/host/linux-x86/clang-r353983c1/bin/llvm-ar crsD -format=gnu out/soong/.intermediates/bionic/libc/libc/android_x86_recovery_static/libc.a @out/soong/.intermediates/bionic/libc/libc/android_x86_recovery_static/libc.a.rsp

I think this command line is calling llvm-ar to create the libc.a, right? But why there is no input obj file list, I just see "@...../lib.a.rsp", what's this file？ I checked the corresponding path but can not find *.rsp file.