https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87860
Bug ID: 87860
Summary: [9 Regression] libsanitizer build fails on
sparc64-linux-gnu
Product: gcc
Version: 9.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: sanitizer
Assignee: unassigned at gcc dot gnu.org
Reporter: marxin 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, marxin at
gcc dot gnu.org
Target Milestone: ---
Error message:
libtool: compile:
/home/marxin/Programming/gcc/gcc-9.0.0+r265711/objdir/./gcc/xgcc -shared-libgcc
-B/home/marxin/Programming/gcc/gcc-9.0.0+r265711/objdir/./gcc -nostdinc++
-L/home/marxin/Programming/gcc/gcc-9.0.0+r265711/objdir/sparc64-unknown-linux-gnu/libstdc++-v3/src
-L/home/marxin/Programming/gcc/gcc-9.0.0+r265711/objdir/sparc64-unknown-linux-gnu/libstdc++-v3/src/.libs
-L/home/marxin/Programming/gcc/gcc-9.0.0+r265711/objdir/sparc64-unknown-linux-gnu/libstdc++-v3/libsupc++/.libs
-B/usr/local/sparc64-unknown-linux-gnu/bin/
-B/usr/local/sparc64-unknown-linux-gnu/lib/ -isystem
/usr/local/sparc64-unknown-linux-gnu/include -isystem
/usr/local/sparc64-unknown-linux-gnu/sys-include -D_GNU_SOURCE -D_DEBUG
-D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS
-DHAVE_RPC_XDR_H=1 -DHAVE_TIRPC_RPC_XDR_H=0 -I.
-I../../../../libsanitizer/sanitizer_common -I.. -I
../../../../libsanitizer/include -isystem
../../../../libsanitizer/include/system -Wall -W -Wno-unused-parameter
-Wwrite-strings -pedantic -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/sparc64-unknown-linux-gnu
-I../../../../libsanitizer/../libstdc++-v3/libsupc++ -std=gnu++11
-DSANITIZER_LIBBACKTRACE -DSANITIZER_CP_DEMANGLE -I
../../../../libsanitizer/../libbacktrace -I ../libbacktrace -I
../../../../libsanitizer/../include -include
../../../../libsanitizer/libbacktrace/backtrace-rename.h -g -O2 -D_GNU_SOURCE
-MT sanitizer_linux.lo -MD -MP -MF .deps/sanitizer_linux.Tpo -c
../../../../libsanitizer/sanitizer_common/sanitizer_linux.cc -fPIC -DPIC -o
.libs/sanitizer_linux.o
../../../../libsanitizer/sanitizer_common/sanitizer_linux.cc: In function
‘void* __sanitizer::internal_start_thread(void (*)(void*), void*)’:
../../../../libsanitizer/sanitizer_common/sanitizer_linux.cc:1733:58: warning:
cast between incompatible function types from ‘void (*)(void*)’ to ‘void*
(*)(void*)’ [-Wcast-function-type]
1733 | real_pthread_create(&th, nullptr, (void*(*)(void *arg))func, arg);
| ^~~~
../../../../libsanitizer/sanitizer_common/sanitizer_linux.cc: In function ‘void
__sanitizer::GetPcSpBp(void*, __sanitizer::uptr*, __sanitizer::uptr*,
__sanitizer::uptr*)’:
../../../../libsanitizer/sanitizer_common/sanitizer_linux.cc:1962:31: error:
‘struct mcontext_t’ has no member named ‘gregs’; did you mean ‘mc_gregs’?
1962 | *pc = ucontext->uc_mcontext.gregs[REG_PC];
| ^~~~~
| mc_gregs
../../../../libsanitizer/sanitizer_common/sanitizer_linux.cc:1963:31: error:
‘struct mcontext_t’ has no member named ‘gregs’; did you mean ‘mc_gregs’?
1963 | *sp = ucontext->uc_mcontext.gregs[REG_O6];
| ^~~~~
| mc_gregs
make[4]: *** [Makefile:663: sanitizer_linux.lo] Error 1
It comes from libsanitizer merge. I have a patch for it.
