highlights:

• build: support rpath
• c/neco: prepare for future coroutine-based goroutine version

libraries:

• c/syscall: zerrors (#533)
• c/os: Fcntl (#502)
• c/os: Setrlimit/Getrlimit (#533)
• c/clang: castdump (#514 #516)
• c/lua: name style (#507)
• c/neco (#525)
• cpp/llvm (#513)
• cpp/inih: small fix (#509)
• syscall: Wait4 (#533)
• os: Args, StartProcess, Wait, Sysctl, environ (#513 #533)
• fmt: Errorf (#527)
• time: ParseDuration (#527)
• strings (#527)
• flag (#527 #530)
• README (#508 #510 #532 #536)

features:

• build: add llvm.BinDir to PATH (#513)
• build: support rpath (#515 #519 #522 #531)
• cmd: dylibdeps (#528)
• xtool: llvm InstallNameTool (#517 #521)

changes:

• llgo/ssa: BinOp (map equal) fix (#527)
• llgo/ssa: abiNamed set underlying size (#529)
• build: fix unsafe.Sizeof for llgo:type C (#524)