https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117133
Bug ID: 117133
Summary: [15 regression] Undefined references when building
stockfish-17 (incbin)
Product: gcc
Version: 15.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: sjames at gcc dot gnu.org
Target Milestone: ---
Originally reported downstream in Gentoo at https://bugs.gentoo.org/940504.
See
https://github.com/official-stockfish/Stockfish/blob/sf_17/src/nnue/network.cpp#L39:
```
$ g++-15 benchmark.ii bitboard.ii evaluate.ii main.ii misc.ii movegen.ii
movepick.ii position.ii search.ii thread.ii timeman.ii tt.ii uci.ii
ucioption.ii tune.ii tbprobe.ii nnue_misc.ii half_ka_v2_hm.ii network.ii
engine.ii score.ii memory.ii -fno-exceptions -DUSE_PTHREADS -DNDEBUG -DIS_64BIT
-O1 -o z -march=znver2
/usr/lib/gcc/x86_64-pc-linux-gnu/15/../../../../x86_64-pc-linux-gnu/bin/ld:
/tmp/ccMaQhJ7.o: warning: relocation against
`_ZN12_GLOBAL__N_122gEmbeddedNNUESmallDataE' in read-only section
`.text._ZN9Stockfish4Eval4NNUE7NetworkINS1_19NetworkArchitectureILj128ELi15ELi32EEENS1_18FeatureTransformerILj128EXadL_ZNS_9StateInfo16accumulatorSmallEEEEEE13load_internalEv[_ZN9Stockfish4Eval4NNUE7NetworkINS1_19NetworkArchitectureILj128ELi15ELi32EEENS1_18FeatureTransformerILj128EXadL_ZNS_9StateInfo16accumulatorSmallEEEEEE13load_internalEv]'
/usr/lib/gcc/x86_64-pc-linux-gnu/15/../../../../x86_64-pc-linux-gnu/bin/ld:
/tmp/ccMaQhJ7.o: in function
`Stockfish::Eval::NNUE::Network<Stockfish::Eval::NNUE::NetworkArchitecture<3072u,
15, 32>, Stockfish::Eval::NNUE::FeatureTransformer<3072u,
&Stockfish::StateInfo::accumulatorBig> >::load_internal()':
network.cpp:(.text._ZN9Stockfish4Eval4NNUE7NetworkINS1_19NetworkArchitectureILj3072ELi15ELi32EEENS1_18FeatureTransformerILj3072EXadL_ZNS_9StateInfo14accumulatorBigEEEEEE13load_internalEv[_ZN9Stockfish4Eval4NNUE7NetworkINS1_19NetworkArchitectureILj3072ELi15ELi32EEENS1_18FeatureTransformerILj3072EXadL_ZNS_9StateInfo14accumulatorBigEEEEEE13load_internalEv]+0x30):
undefined reference to `(anonymous namespace)::gEmbeddedNNUEBigData'
/usr/lib/gcc/x86_64-pc-linux-gnu/15/../../../../x86_64-pc-linux-gnu/bin/ld:
network.cpp:(.text._ZN9Stockfish4Eval4NNUE7NetworkINS1_19NetworkArchitectureILj3072ELi15ELi32EEENS1_18FeatureTransformerILj3072EXadL_ZNS_9StateInfo14accumulatorBigEEEEEE13load_internalEv[_ZN9Stockfish4Eval4NNUE7NetworkINS1_19NetworkArchitectureILj3072ELi15ELi32EEENS1_18FeatureTransformerILj3072EXadL_ZNS_9StateInfo14accumulatorBigEEEEEE13load_internalEv]+0x3a):
undefined reference to `(anonymous namespace)::gEmbeddedNNUEBigSize'
/usr/lib/gcc/x86_64-pc-linux-gnu/15/../../../../x86_64-pc-linux-gnu/bin/ld:
network.cpp:(.text._ZN9Stockfish4Eval4NNUE7NetworkINS1_19NetworkArchitectureILj3072ELi15ELi32EEENS1_18FeatureTransformerILj3072EXadL_ZNS_9StateInfo14accumulatorBigEEEEEE13load_internalEv[_ZN9Stockfish4Eval4NNUE7NetworkINS1_19NetworkArchitectureILj3072ELi15ELi32EEENS1_18FeatureTransformerILj3072EXadL_ZNS_9StateInfo14accumulatorBigEEEEEE13load_internalEv]+0x244):
undefined reference to `(anonymous namespace)::gEmbeddedNNUESmallData'
/usr/lib/gcc/x86_64-pc-linux-gnu/15/../../../../x86_64-pc-linux-gnu/bin/ld:
network.cpp:(.text._ZN9Stockfish4Eval4NNUE7NetworkINS1_19NetworkArchitectureILj3072ELi15ELi32EEENS1_18FeatureTransformerILj3072EXadL_ZNS_9StateInfo14accumulatorBigEEEEEE13load_internalEv[_ZN9Stockfish4Eval4NNUE7NetworkINS1_19NetworkArchitectureILj3072ELi15ELi32EEENS1_18FeatureTransformerILj3072EXadL_ZNS_9StateInfo14accumulatorBigEEEEEE13load_internalEv]+0x24e):
undefined reference to `(anonymous namespace)::gEmbeddedNNUESmallSize'
/usr/lib/gcc/x86_64-pc-linux-gnu/15/../../../../x86_64-pc-linux-gnu/bin/ld:
/tmp/ccMaQhJ7.o: in function
`Stockfish::Eval::NNUE::Network<Stockfish::Eval::NNUE::NetworkArchitecture<128u,
15, 32>, Stockfish::Eval::NNUE::FeatureTransformer<128u,
&Stockfish::StateInfo::accumulatorSmall> >::load_internal()':
network.cpp:(.text._ZN9Stockfish4Eval4NNUE7NetworkINS1_19NetworkArchitectureILj128ELi15ELi32EEENS1_18FeatureTransformerILj128EXadL_ZNS_9StateInfo16accumulatorSmallEEEEEE13load_internalEv[_ZN9Stockfish4Eval4NNUE7NetworkINS1_19NetworkArchitectureILj128ELi15ELi32EEENS1_18FeatureTransformerILj128EXadL_ZNS_9StateInfo16accumulatorSmallEEEEEE13load_internalEv]+0x30):
undefined reference to `(anonymous namespace)::gEmbeddedNNUEBigData'
/usr/lib/gcc/x86_64-pc-linux-gnu/15/../../../../x86_64-pc-linux-gnu/bin/ld:
network.cpp:(.text._ZN9Stockfish4Eval4NNUE7NetworkINS1_19NetworkArchitectureILj128ELi15ELi32EEENS1_18FeatureTransformerILj128EXadL_ZNS_9StateInfo16accumulatorSmallEEEEEE13load_internalEv[_ZN9Stockfish4Eval4NNUE7NetworkINS1_19NetworkArchitectureILj128ELi15ELi32EEENS1_18FeatureTransformerILj128EXadL_ZNS_9StateInfo16accumulatorSmallEEEEEE13load_internalEv]+0x3a):
undefined reference to `(anonymous namespace)::gEmbeddedNNUEBigSize'
/usr/lib/gcc/x86_64-pc-linux-gnu/15/../../../../x86_64-pc-linux-gnu/bin/ld:
network.cpp:(.text._ZN9Stockfish4Eval4NNUE7NetworkINS1_19NetworkArchitectureILj128ELi15ELi32EEENS1_18FeatureTransformerILj128EXadL_ZNS_9StateInfo16accumulatorSmallEEEEEE13load_internalEv[_ZN9Stockfish4Eval4NNUE7NetworkINS1_19NetworkArchitectureILj128ELi15ELi32EEENS1_18FeatureTransformerILj128EXadL_ZNS_9StateInfo16accumulatorSmallEEEEEE13load_internalEv]+0x244):
undefined reference to `(anonymous namespace)::gEmbeddedNNUESmallData'
/usr/lib/gcc/x86_64-pc-linux-gnu/15/../../../../x86_64-pc-linux-gnu/bin/ld:
network.cpp:(.text._ZN9Stockfish4Eval4NNUE7NetworkINS1_19NetworkArchitectureILj128ELi15ELi32EEENS1_18FeatureTransformerILj128EXadL_ZNS_9StateInfo16accumulatorSmallEEEEEE13load_internalEv[_ZN9Stockfish4Eval4NNUE7NetworkINS1_19NetworkArchitectureILj128ELi15ELi32EEENS1_18FeatureTransformerILj128EXadL_ZNS_9StateInfo16accumulatorSmallEEEEEE13load_internalEv]+0x24e):
undefined reference to `(anonymous namespace)::gEmbeddedNNUESmallSize'
/usr/lib/gcc/x86_64-pc-linux-gnu/15/../../../../x86_64-pc-linux-gnu/bin/ld:
read-only segment has dynamic relocations
collect2: error: ld returned 1 exit status
```
```
Using built-in specs.
COLLECT_GCC=gcc
COLLECT_LTO_WRAPPER=/usr/libexec/gcc/x86_64-pc-linux-gnu/15/lto-wrapper
Target: x86_64-pc-linux-gnu
Configured with:
/var/tmp/portage/sys-devel/gcc-15.0.9999/work/gcc-15.0.9999/configure
--host=x86_64-pc-linux-gnu --build=x86_64-pc-linux-gnu --prefix=/usr
--bindir=/usr/x86_64-pc-linux-gnu/gcc-bin/15
--includedir=/usr/lib/gcc/x86_64-pc-linux-gnu/15/include
--datadir=/usr/share/gcc-data/x86_64-pc-linux-gnu/15
--mandir=/usr/share/gcc-data/x86_64-pc-linux-gnu/15/man
--infodir=/usr/share/gcc-data/x86_64-pc-linux-gnu/15/info
--with-gxx-include-dir=/usr/lib/gcc/x86_64-pc-linux-gnu/15/include/g++-v15
--disable-silent-rules --disable-dependency-tracking
--with-python-dir=/share/gcc-data/x86_64-pc-linux-gnu/15/python
--enable-objc-gc --enable-languages=c,c++,d,go,objc,obj-c++,fortran,ada,m2,rust
--enable-obsolete --enable-secureplt --disable-werror --with-system-zlib
--enable-nls --without-included-gettext --disable-libunwind-exceptions
--enable-checking=yes,extra,rtl --with-bugurl=https://bugs.gentoo.org/
--with-pkgversion='Gentoo Hardened 15.0.9999 p, commit
b4a852b00ffc7c9436d15867d602c28837c97758' --with-gcc-major-version-only
--enable-libstdcxx-time --enable-lto --disable-libstdcxx-pch --enable-shared
--enable-threads=posix --enable-__cxa_atexit --enable-clocale=gnu
--enable-multilib --with-multilib-list=m32,m64 --disable-fixed-point
--enable-targets=all --enable-libgomp --disable-libssp --enable-libada
--disable-cet --disable-systemtap --enable-valgrind-annotations
--disable-vtable-verify --disable-libvtv --with-zstd --with-isl
--disable-isl-version-check --enable-default-pie --enable-host-pie
--enable-host-bind-now --enable-default-ssp --disable-fixincludes
--with-build-config='bootstrap-O3 bootstrap-lto'
Thread model: posix
Supported LTO compression algorithms: zlib zstd
gcc version 15.0.0 20241013 (experimental)
27f6b376e8e196c7c85c8b47436cd2f2993768da (Gentoo Hardened 15.0.9999 p, commit
b4a852b00ffc7c9436d15867d602c28837c97758)
```
