stripping (with flags -S) in  /nix/store/pl2y2wmsypahx9z771p2w3lv29qnww0m-config-support/lib 
strip: /nix/store/pl2y2wmsypahx9z771p2w3lv29qnww0m-config-support/lib/libConfigAPI.la: File format not recognized
strip: /nix/store/pl2y2wmsypahx9z771p2w3lv29qnww0m-config-support/lib/pkgconfig/config-support.pc: File format not recognized
patching ELF executables and libraries
/nix/store/pl2y2wmsypahx9z771p2w3lv29qnww0m-config-support/lib/libConfigAPI.so
/nix/store/pl2y2wmsypahx9z771p2w3lv29qnww0m-config-support/lib/libConfigAPI.la
not an ELF executable
patching script interpreter paths