cmd/cgo: cannot build goyaml using clang #4857
Description
% go version
go version devel +dd18b993ba95 Wed Feb 20 12:34:16 2013 +0400 darwin/amd64
% echo $CC
/usr/local/bin/clang
% $CC --version
clang version 3.2 (tags/RELEASE_32/final)
Target: x86_64-apple-darwin12.2.0
Thread model: posix
% cd $GOPATH/src/launchpad.net/goyaml
% go build
# launchpad.net/goyaml
decode.go:34:7: warning: incompatible pointer types assigning to 'const struct
<anonymous struct at decode.go:32:9> *' from 'const struct <anonymous struct at
decode.go:34:16> *' [-Wincompatible-pointer-types]
a->r = (const struct {yaml_char_t* anchor; }*) event_alias((void*)a->p0);
^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
decode.go:44:7: warning: incompatible pointer types assigning to 'const struct
<anonymous struct at decode.go:42:9> *' from 'const struct <anonymous struct at
decode.go:44:16> *' [-Wincompatible-pointer-types]
a->r = (const struct {yaml_char_t* anchor; yaml_char_t* tag; int implicit; yaml_mapping_style_t style; }*) event_mapping_start((void*)a->p0);
^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
decode.go:54:7: warning: incompatible pointer types assigning to 'const struct
<anonymous struct at decode.go:52:9> *' from 'const struct <anonymous struct at
decode.go:54:16> *' [-Wincompatible-pointer-types]
a->r = (const struct {yaml_char_t* anchor; yaml_char_t* tag; yaml_char_t* value; size_t length; int plain_implicit; int quoted_implicit; yaml_scalar_style_t style; }*) event_scalar((void*)a->p0);
^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
decode.go:64:7: warning: incompatible pointer types assigning to 'const struct
<anonymous struct at decode.go:62:9> *' from 'const struct <anonymous struct at
decode.go:64:16> *' [-Wincompatible-pointer-types]
a->r = (const struct {yaml_char_t* anchor; yaml_char_t* tag; int implicit; yaml_sequence_style_t style; }*) event_sequence_start((void*)a->p0);
^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
4 warnings generated.
# launchpad.net/goyaml
decode.go:139: p.event.start_mark undefined (type C.yaml_event_t has no field or method
start_mark)
decode.go:140: p.event.start_mark undefined (type C.yaml_event_t has no field or method
start_mark)
encode.go:49: e.emitter.open_ended undefined (type C.yaml_emitter_t has no field or
method open_ended)
I'm using CL 7351044, so all.bash pass. I'm able build some other cgo packages. clang
from tip reports the same errors.
It works with gcc.