What version of Go are you using (go version)?

$ go version

go version go1.14.4 darwin/amd64

Does this issue reproduce with the latest release?

yes

What operating system and processor architecture are you using (go env)?

$ go env
GO111MODULE=""
GOARCH="amd64"
GOBIN=""
GOCACHE="/Users/Srdjan/Library/Caches/go-build"
GOENV="/Users/Srdjan/Library/Application Support/go/env"
GOEXE=""
GOFLAGS=""
GOHOSTARCH="amd64"
GOHOSTOS="darwin"
GOINSECURE=""
GONOPROXY=""
GONOSUMDB=""
GOOS="darwin"
GOPATH="/Users/Srdjan/go"
GOPRIVATE=""
GOPROXY="https://proxy.golang.org,direct"
GOROOT="/usr/local/go"
GOSUMDB="sum.golang.org"
GOTMPDIR=""
GOTOOLDIR="/usr/local/go/pkg/tool/darwin_amd64"
GCCGO="gccgo"
AR="/opt/anaconda3/bin/x86_64-apple-darwin13.4.0-ar"
CC="x86_64-apple-darwin13.4.0-clang"
CXX="x86_64-apple-darwin13.4.0-clang++"
CGO_ENABLED="1"
GOMOD=""
CGO_CFLAGS="-g -O2"
CGO_CPPFLAGS=""
CGO_CXXFLAGS="-g -O2"
CGO_FFLAGS="-g -O2"
CGO_LDFLAGS="-g -O2"
PKG_CONFIG="pkg-config"
GOGCCFLAGS="-fPIC -m64 -pthread -fno-caret-diagnostics -Qunused-arguments -fmessage-length=0 -fdebug-prefix-map=/var/folders/s4/wsnb2bvd76vct0kp00vm8q_w0000gn/T/go-build522838932=/tmp/go-build -gno-record-gcc-switches -fno-common"

What did you do?

When i try to run a simple hello world file in go, i get this error:

runtime/cgo

ld: warning: ld: warning: ignoring file /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/lib/libSystem.tbd, file was built for unsupported file format ( 0x2D 0x2D 0x2D 0x20 0x21 0x74 0x61 0x70 0x69 0x2D 0x74 0x62 0x64 0x2D 0x76 0x33 ) which is not the architecture being linked (x86_64): /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/lib/libSystem.tbd
ignoring file /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/lib/libpthread.tbd, file was built for unsupported file format ( 0x2D 0x2D 0x2D 0x20 0x21 0x74 0x61 0x70 0x69 0x2D 0x74 0x62 0x64 0x2D 0x76 0x33 ) which is not the architecture being linked (x86_64): /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/lib/libpthread.tbd
Undefined symbols for architecture x86_64:
"___stack_chk_fail", referenced from:
_x_cgo_init in _x004.o
__cgo_sys_thread_start in _x004.o
"___stack_chk_guard", referenced from:
_x_cgo_init in _x004.o
__cgo_sys_thread_start in _x004.o
"___stderrp", referenced from:
__cgo_sys_thread_start in _x004.o
_x_cgo_sys_thread_create in _x005.o
_x_cgo_thread_start in _x008.o
"_abort", referenced from:
__cgo_sys_thread_start in _x004.o
_x_cgo_sys_thread_create in _x005.o
_x_cgo_thread_start in _x008.o
"_fprintf", referenced from:
__cgo_sys_thread_start in _x004.o
_x_cgo_sys_thread_create in _x005.o
"_free", referenced from:
_threadentry in _x004.o
"_fwrite", referenced from:
_x_cgo_thread_start in _x008.o
"_malloc", referenced from:
_x_cgo_thread_start in _x008.o
"_nanosleep", referenced from:
_x_cgo_sys_thread_create in _x005.o
__cgo_try_pthread_create in _x005.o
"_pthread_attr_destroy", referenced from:
_x_cgo_init in _x004.o
"_pthread_attr_getstacksize", referenced from:
_x_cgo_init in _x004.o
__cgo_sys_thread_start in _x004.o
"_pthread_attr_init", referenced from:
_x_cgo_init in _x004.o
__cgo_sys_thread_start in _x004.o
"_pthread_cond_broadcast", referenced from:
_x_cgo_notify_runtime_init_done in _x005.o
"_pthread_cond_wait", referenced from:
__cgo_wait_runtime_init_done in _x005.o
"_pthread_create", referenced from:
_x_cgo_sys_thread_create in _x005.o
__cgo_try_pthread_create in _x005.o
(maybe you meant: __cgo_try_pthread_create)
"_pthread_detach", referenced from:
_x_cgo_sys_thread_create in _x005.o
__cgo_try_pthread_create in _x005.o
"_pthread_mutex_lock", referenced from:
__cgo_wait_runtime_init_done in _x005.o
_x_cgo_notify_runtime_init_done in _x005.o
_x_cgo_set_context_function in _x005.o
__cgo_get_context_function in _x005.o
"_pthread_mutex_unlock", referenced from:
__cgo_wait_runtime_init_done in _x005.o
_x_cgo_notify_runtime_init_done in _x005.o
_x_cgo_set_context_function in _x005.o
__cgo_get_context_function in _x005.o
"_pthread_sigmask", referenced from:
__cgo_sys_thread_start in _x004.o
"_setenv", referenced from:
_x_cgo_setenv in _x006.o
(maybe you meant: _x_cgo_setenv)
"_strerror", referenced from:
__cgo_sys_thread_start in _x004.o
_x_cgo_sys_thread_create in _x005.o
"_unsetenv", referenced from:
_x_cgo_unsetenv in _x006.o
(maybe you meant: _x_cgo_unsetenv)
ld: symbol(s) not found for architecture x86_64
clang-4.0: error: linker command failed with exit code 1 (use -v to see invocation)

What did you expect to see?

The file run

What did you see instead?

That error ^^^