On Thu, Aug 14, 2025 at 07:40:17PM -0700, Renato Aguiar wrote:
> When trying to use gRPC library with C++, I got the following link error:
>
> ld: error: undefined reference:
> grpc_core::MakeDirectoryReader(std::__1::basic_string_view<char,
> std::__1::char_traits<char>>)
> >>> referenced by /usr/local/lib/libgrpc.so.3.0 (disallowed by
> >>> --no-allow-shlib-undefined)
>
> Here is a patch adding that missing symbol to the gRPC library:
At least libgrpc will need a minor library bump for this.
>
> --- net/grpc/Makefile
> +++ net/grpc/Makefile
> @@ -5,6 +5,7 @@ COMMENT = HTTP/2-based RPC framework
>
> V = 1.74.1
> DISTNAME = grpc-${V}
> +REVISION = 0
>
> DIST_TUPLE += github grpc grpc v${V} .
>
> --- /dev/null
> +++ net/grpc/patches/patch-src_core_util_posix_directory_reader_cc
> @@ -0,0 +1,12 @@
> +Index: src/core/util/posix/directory_reader.cc
> +--- src/core/util/posix/directory_reader.cc.orig
> ++++ src/core/util/posix/directory_reader.cc
> +@@ -25,7 +25,7 @@
> + #include "absl/strings/string_view.h"
> +
> + #if defined(GPR_LINUX) || defined(GPR_ANDROID) || defined(GPR_FREEBSD) || \
> +- defined(GPR_APPLE) || defined(GPR_NETBSD)
> ++ defined(GPR_APPLE) || defined(GPR_NETBSD) || defined(GPR_OPENBSD)
> +
> + #include <dirent.h>
> +
>
