Source: protobuf Version: 3.21.12-11 Severity: serious Tags: ftbfs forky sid patch
https://buildd.debian.org/status/logs.php?pkg=protobuf&ver=3.21.12-12 ... google/protobuf/generated_message_tctable_lite.cc: In static member function 'static const char* google::protobuf::internal::TcParser::MpString(google::protobuf::MessageLite*, const char*, google::protobuf::internal::ParseContext*, const google::protobuf::internal::TcParseTableBase*, uint64_t, google::protobuf::internal::TcFieldData)': google/protobuf/generated_message_tctable_lite.cc:1666:46: error: cannot tail-call: target is not able to optimize the call into a sibling call 1666 | PROTOBUF_MUSTTAIL return MpRepeatedString(PROTOBUF_TC_PARAM_PASS); | ~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~ ... musttail support is new in gcc 15: https://gcc.gnu.org/gcc-15/changes.html The attached patch restores the gcc 14 status quo of not using musttail.
Description: Don't use musttail since it causes FTBFS on multiple architectures Author: Adrian Bunk <[email protected]> --- protobuf-3.21.12.orig/src/google/protobuf/port_def.inc +++ protobuf-3.21.12/src/google/protobuf/port_def.inc @@ -254,7 +254,7 @@ #ifdef PROTOBUF_TAILCALL #error PROTOBUF_TAILCALL was previously defined #endif -#if __has_cpp_attribute(clang::musttail) && !defined(__arm__) && \ +#if 0 && __has_cpp_attribute(clang::musttail) && !defined(__arm__) && \ !defined(_ARCH_PPC) && !defined(__wasm__) && \ !(defined(_MSC_VER) && defined(_M_IX86)) && \ !(defined(__NDK_MAJOR__) && __NDK_MAJOR <= 24)
