simoneau opened a new issue #6040: "incompatible pointer types" warnings building the Go (golang) pulsar client URL: https://github.com/apache/pulsar/issues/6040 **Describe the bug** When building with the Go Pulsar client, I always see about 10 warnings about incompatible pointer types. Is this a known issue? **To Reproduce** Steps to reproduce the behavior: 1. `❯ go get -u github.com/apache/pulsar/pulsar-client-go/pulsar` 4. See warnings **Screenshots** ``` GOROOT=/usr/local/Cellar/go/1.13.1/libexec #gosetup GOPATH=/Users/matthew/go #gosetup /usr/local/Cellar/go/1.13.1/libexec/bin/go build -o /private/var/folders/z0/f6_lcbw12y74t8hr_zfxr3zr0000gp/T/___ambassador github.com/ETMAInc/platform/services/ambassador #gosetup # github.com/apache/pulsar/pulsar-client-go/pulsar In file included from _cgo_export.c:4: In file included from c_client.go:24: ../../../../go/pkg/mod/github.com/apache/pulsar/[email protected]/pulsar/c_go_pulsar.h:75:51: warning: incompatible pointer types passing 'void (pulsar_result, pulsar_message_id_t *, void *)' (aka 'void (pulsar_result, struct _pulsar_message_id *, void *)') to parameter of type 'pulsar_send_callback' (aka 'void (*)(pulsar_result, struct _pulsar_message *, void *)') [-Wincompatible-pointer-types] /usr/local/include/pulsar/c/producer.h:81:68: note: passing argument to parameter 'callback' here # github.com/apache/pulsar/pulsar-client-go/pulsar In file included from ../../../../go/pkg/mod/github.com/apache/pulsar/[email protected]/pulsar/c_client.go:24: ../../../../go/pkg/mod/github.com/apache/pulsar/[email protected]/pulsar/c_go_pulsar.h:75:51: warning: incompatible pointer types passing 'void (pulsar_result, pulsar_message_id_t *, void *)' (aka 'void (pulsar_result, struct _pulsar_message_id *, void *)') to parameter of type 'pulsar_send_callback' (aka 'void (*)(pulsar_result, struct _pulsar_message *, void *)') [-Wincompatible-pointer-types] /usr/local/include/pulsar/c/producer.h:81:68: note: passing argument to parameter 'callback' here # github.com/apache/pulsar/pulsar-client-go/pulsar In file included from ../../../../go/pkg/mod/github.com/apache/pulsar/[email protected]/pulsar/c_consumer.go:23: ../../../../go/pkg/mod/github.com/apache/pulsar/[email protected]/pulsar/c_go_pulsar.h:75:51: warning: incompatible pointer types passing 'void (pulsar_result, pulsar_message_id_t *, void *)' (aka 'void (pulsar_result, struct _pulsar_message_id *, void *)') to parameter of type 'pulsar_send_callback' (aka 'void (*)(pulsar_result, struct _pulsar_message *, void *)') [-Wincompatible-pointer-types] /usr/local/include/pulsar/c/producer.h:81:68: note: passing argument to parameter 'callback' here # github.com/apache/pulsar/pulsar-client-go/pulsar In file included from ../../../../go/pkg/mod/github.com/apache/pulsar/[email protected]/pulsar/c_error.go:25: ../../../../go/pkg/mod/github.com/apache/pulsar/[email protected]/pulsar/c_go_pulsar.h:75:51: warning: incompatible pointer types passing 'void (pulsar_result, pulsar_message_id_t *, void *)' (aka 'void (pulsar_result, struct _pulsar_message_id *, void *)') to parameter of type 'pulsar_send_callback' (aka 'void (*)(pulsar_result, struct _pulsar_message *, void *)') [-Wincompatible-pointer-types] /usr/local/include/pulsar/c/producer.h:81:68: note: passing argument to parameter 'callback' here # github.com/apache/pulsar/pulsar-client-go/pulsar In file included from ../../../../go/pkg/mod/github.com/apache/pulsar/[email protected]/pulsar/c_message.go:23: ../../../../go/pkg/mod/github.com/apache/pulsar/[email protected]/pulsar/c_go_pulsar.h:75:51: warning: incompatible pointer types passing 'void (pulsar_result, pulsar_message_id_t *, void *)' (aka 'void (pulsar_result, struct _pulsar_message_id *, void *)') to parameter of type 'pulsar_send_callback' (aka 'void (*)(pulsar_result, struct _pulsar_message *, void *)') [-Wincompatible-pointer-types] /usr/local/include/pulsar/c/producer.h:81:68: note: passing argument to parameter 'callback' here # github.com/apache/pulsar/pulsar-client-go/pulsar In file included from ../../../../go/pkg/mod/github.com/apache/pulsar/[email protected]/pulsar/c_producer.go:23: ../../../../go/pkg/mod/github.com/apache/pulsar/[email protected]/pulsar/c_go_pulsar.h:75:51: warning: incompatible pointer types passing 'void (pulsar_result, pulsar_message_id_t *, void *)' (aka 'void (pulsar_result, struct _pulsar_message_id *, void *)') to parameter of type 'pulsar_send_callback' (aka 'void (*)(pulsar_result, struct _pulsar_message *, void *)') [-Wincompatible-pointer-types] /usr/local/include/pulsar/c/producer.h:81:68: note: passing argument to parameter 'callback' here # github.com/apache/pulsar/pulsar-client-go/pulsar In file included from ../../../../go/pkg/mod/github.com/apache/pulsar/[email protected]/pulsar/c_reader.go:23: ../../../../go/pkg/mod/github.com/apache/pulsar/[email protected]/pulsar/c_go_pulsar.h:75:51: warning: incompatible pointer types passing 'void (pulsar_result, pulsar_message_id_t *, void *)' (aka 'void (pulsar_result, struct _pulsar_message_id *, void *)') to parameter of type 'pulsar_send_callback' (aka 'void (*)(pulsar_result, struct _pulsar_message *, void *)') [-Wincompatible-pointer-types] /usr/local/include/pulsar/c/producer.h:81:68: note: passing argument to parameter 'callback' here ``` **Desktop (please complete the following information):** - OS: macOS, LInux
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