https://gcc.gnu.org/bugzilla/show_bug.cgi?id=119356
Bug ID: 119356
Summary: [15 regression] libsanitizer fails to build on riscv
musl
Product: gcc
Version: 15.0
Status: UNCONFIRMED
Keywords: build
Severity: normal
Priority: P3
Component: sanitizer
Assignee: unassigned at gcc dot gnu.org
Reporter: sjames at gcc dot gnu.org
CC: dodji at gcc dot gnu.org, dvyukov at gcc dot gnu.org,
jakub at gcc dot gnu.org, kcc at gcc dot gnu.org
Target Milestone: ---
```
libtool: compile:
/var/lib/portage/tmp/portage/sys-devel/gcc-15.0.0_pre20241201/work/build/./gcc/xgcc
-shared-libgcc
-B/var/lib/portage/tmp/portage/sys-devel/gcc-15.0.0_pre20241201/work/build/./gcc
-nostdinc++
-L/var/lib/portage/tmp/portage/sys-devel/gcc-15.0.0_pre20241201/work/build/riscv64-unknown-linux-musl/libstdc++-v3/src
-L/var/lib/portage/tmp/portage/sys-devel/gcc-15.0.0_pre20241201/work/build/riscv64-unknown-linux-musl/libstdc++-v3/src/.libs
-L/var/lib/portage/tmp/portage/sys-devel/gcc-15.0.0_pre20241201/work/build/riscv64-unknown-linux-musl/libstdc++-v3/libsupc++/.libs
-B/usr/riscv64-unknown-linux-musl/bin/ -B/usr/riscv64-unknown-linux-musl/lib/
-isystem /usr/riscv64-unknown-linux-musl/include -isystem
/usr/riscv64-unknown-linux-musl/sys-include -fchecking=1 -D_GNU_SOURCE -D_DEBUG
-D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS
-DHAVE_RPC_XDR_H=0 -DHAVE_TIRPC_RPC_XDR_H=0 -DHAVE_AS_SYM_ASSIGN=1 -I.
-I/var/lib/portage/tmp/portage/sys-devel/gcc-15.0.0_pre20241201/work/gcc-15-20241201/libsanitizer/sanitizer_common
-I.. -I
/var/lib/portage/tmp/portage/sys-devel/gcc-15.0.0_pre20241201/work/gcc-15-20241201/libsanitizer/include
-I
/var/lib/portage/tmp/portage/sys-devel/gcc-15.0.0_pre20241201/work/gcc-15-20241201/libsanitizer
-isystem
/var/lib/portage/tmp/portage/sys-devel/gcc-15.0.0_pre20241201/work/gcc-15-20241201/libsanitizer/include/system
-Wall -W -Wno-unused-parameter -Wwrite-strings -Wno-long-long -fPIC
-fno-builtin -fno-exceptions -fno-rtti -fomit-frame-pointer -funwind-tables
-fvisibility=hidden -Wno-variadic-macros -I../../libstdc++-v3/include
-I../../libstdc++-v3/include/riscv64-unknown-linux-musl
-I/var/lib/portage/tmp/portage/sys-devel/gcc-15.0.0_pre20241201/work/gcc-15-20241201/libsanitizer/../libstdc++-v3/libsupc++
-std=gnu++17 -DSANITIZER_LIBBACKTRACE -DSANITIZER_CP_DEMANGLE -I
/var/lib/portage/tmp/portage/sys-devel/gcc-15.0.0_pre20241201/work/gcc-15-20241201/libsanitizer/../libbacktrace
-I ../libbacktrace -I
/var/lib/portage/tmp/portage/sys-devel/gcc-15.0.0_pre20241201/work/gcc-15-20241201/libsanitizer/../include
-include
/var/lib/portage/tmp/portage/sys-devel/gcc-15.0.0_pre20241201/work/gcc-15-20241201/libsanitizer/libbacktrace/backtrace-rename.h
-g -pipe -march=rv64gc -O2 -D_GNU_SOURCE -c
/var/lib/portage/tmp/portage/sys-devel/gcc-15.0.0_pre20241201/work/gcc-15-20241201/libsanitizer/sanitizer_common/sanitizer_linux_libcdep.cpp
-fPIC -DPIC -o .libs/sanitizer_linux_libcdep.o
/var/lib/portage/tmp/portage/sys-devel/gcc-15.0.0_pre20241201/work/gcc-15-20241201/libsanitizer/sanitizer_common/sanitizer_linux_libcdep.cpp:
In function 'void __sanitizer::GetTls(uptr*, uptr*)':
/var/lib/portage/tmp/portage/sys-devel/gcc-15.0.0_pre20241201/work/gcc-15-20241201/libsanitizer/sanitizer_common/sanitizer_linux_libcdep.cpp:627:29:
error: 'TlsPreTcbSize' was not declared in this scope
627 | const uptr pre_tcb_size = TlsPreTcbSize();
| ^~~~~~~~~~~~~
make[4]: *** [Makefile:631: sanitizer_linux_libcdep.lo] Error 1
make[4]: Leaving directory
'/var/lib/portage/tmp/portage/sys-devel/gcc-15.0.0_pre20241201/work/build/riscv64-unknown-linux-musl/libsanitizer/sanitizer_common'
make[4]: *** Waiting for unfinished jobs....
```
