src/lib/libclang_rt/fuzzer, branch stable/13

Remove $FreeBSD$: one-line sh pattern

2023-08-23T17:43:30+00:00

Remove /^\s*#[#!]?\s*\$FreeBSD\$.*$\n/

Similar commit in main:
(cherry picked from commit d0b2dbfa0ecf)

Follow-up to r358851 (llvm-project 10.0.0-rc3 import), where I added

2020-08-10T16:55:54+00:00

subdirectories for compiler-rt's internal fuzzer, profile and xray
headers, but forgot to add installing those headers themselves.

MFC after:	3 days

Update build glue for libclang_rt.

2020-01-27T20:46:26+00:00

Update libclang_rt:

2019-09-01T18:21:06+00:00

* Add cfi, dd, fuzzer and xray
* Update arch support
* Update OptionalObsoleteFiles.inc

Add compiler-rt's libFuzzer, not connected to buildworld yet.

2018-09-29T15:17:17+00:00

For now, the libraries can be built and installed using:

cd /usr/src/lib/libclang_rt/fuzzer && \
  make obj && \
  make depend && \
  make && \
  sudo make install
cd /usr/src/lib/libclang_rt/fuzzer_no_main && \
  make obj && \
  make depend && \
  make && \
  sudo make install

See https://llvm.org/docs/LibFuzzer.html for more information.