After installing https://releases.bazel.build/4.0.0/rc2/index.html, in the Drake build I see: ERROR: .../external/dreal/third_party/com_github_google_kythe/tools/build_rules/lexyacc.bzl:27:64: invalid escape sequence: \.. You can enable unknown escape sequences by passing the flag --incompatible_restrict_string_escapes=false. This is using 4.20.09.1.
After installing https://releases.bazel.build/4.0.0/rc2/index.html, in the Drake build I see:
ERROR: .../external/dreal/third_party/com_github_google_kythe/tools/build_rules/lexyacc.bzl:27:64: invalid escape sequence: \.. You can enable unknown escape sequences by passing the flag --incompatible_restrict_string_escapes=false
. This is using4.20.09.1
.