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When building natively on RISC-V, linking the bootstrap clang-tblgen fails with: ld: error: undefined symbol: llvm::EnableABIBreakingChecks >>> referenced by PrettyStackTrace.cpp >>> PrettyStackTrace.o:(.sdata+0x0) in archive /usr/obj/usr/src/freebsd-src/riscv.riscv64/tmp/obj-tools/lib/clang/libllvmminimal/libllvmminimal.a >>> referenced by Signals.cpp >>> Signals.o:(.sdata+0x8) in archive /usr/obj/usr/src/freebsd-src/riscv.riscv64/tmp/obj-tools/lib/clang/libllvmminimal/libllvmminimal.a >>> referenced by Timer.cpp >>> Timer.o:(.sdata+0x28) in archive /usr/obj/usr/src/freebsd-src/riscv.riscv64/tmp/obj-tools/lib/clang/libllvmminimal/libllvmminimal.a This is likely due to Error.h's inclusion of abi-breaking.h. It's unclear why this only affects RISC-V, but perhaps relates to its more eager use of .sdata due to the ABI's support for linker relaxations. Regardless, this is theoretically an issue for all architectures. Reported by: Dennis Clarke <dclarke@blastwave.org> Reviewed by: dim Tested by: mhorne MFC after: 3 days Differential Revision: https://reviews.freebsd.org/D28367 |
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.. | ||
headers | ||
include | ||
libclang | ||
liblldb | ||
libllvm | ||
libllvmminimal | ||
clang.build.mk | ||
clang.pre.mk | ||
freebsd_cc_version.h | ||
lldb.pre.mk | ||
llvm.build.mk | ||
llvm.pre.mk | ||
Makefile | ||
Makefile.inc |