[Bug 244790] World does not compile ld does not find -lm

[bugzilla-noreply at freebsd.org]

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=244790

            Bug ID: 244790
           Summary: World does not compile ld does not find -lm
           Product: Base System
           Version: 11.3-STABLE
          Hardware: Any
                OS: Any
            Status: New
          Severity: Affects Only Me
          Priority: ---
         Component: misc
          Assignee: bugs at FreeBSD.org
          Reporter: tschweikle at gmail.com

FreeBSD fbsd11.bfs.de 11.3-STABLE FreeBSD 11.3-STABLE #0 r356598: Mon Jan 13
10:31:55 CET 2020     root at fbsd11.bfs.de:/usr/obj/usr/src/sys/FBSD11  amd64

c++ -O2 -pipe -I/usr/obj/usr/src/tmp/usr/src/lib/clang/libllvm
-I/usr/src/lib/clang/include -I/usr/src/contrib/llvm/include
-DLLVM_BUILD_GLOBAL_ISEL -D__STDC_LIMIT_MACROS -D__STDC_CONSTANT_MACROS
-DNDEBUG -DLLVM_DEFAULT_TARGET_TRIPLE=\"x86_64-unknown-freebsd11.3\"
-DLLVM_HOST_TRIPLE=\"x86_64-unknown-freebsd11.3\"
-DDEFAULT_SYSROOT=\"/usr/obj/usr/src/tmp\" -DLLVM_TARGET_ENABLE_AARCH64
-DLLVM_TARGET_ENABLE_ARM -DLLVM_TARGET_ENABLE_MIPS -DLLVM_TARGET_ENABLE_POWERPC
-DLLVM_TARGET_ENABLE_SPARC -DLLVM_TARGET_ENABLE_X86
-DLLVM_NATIVE_ASMPARSER=LLVMInitializeX86AsmParser
-DLLVM_NATIVE_ASMPRINTER=LLVMInitializeX86AsmPrinter
-DLLVM_NATIVE_DISASSEMBLER=LLVMInitializeX86Disassembler
-DLLVM_NATIVE_TARGET=LLVMInitializeX86Target
-DLLVM_NATIVE_TARGETINFO=LLVMInitializeX86TargetInfo
-DLLVM_NATIVE_TARGETMC=LLVMInitializeX86TargetMC -ffunction-sections
-fdata-sections -g -Qunused-arguments -I/usr/obj/usr/src/tmp/legacy/usr/include
-std=c++11 -fno-exceptions -fno-rtti -stdlib=libc++ -Wno-c++11-extensions 
-Wl,--gc-sections -static -L/usr/obj/usr/src/tmp/legacy/usr/lib -o
llvm-tblgen.full  AsmMatcherEmitter.o AsmWriterEmitter.o AsmWriterInst.o
Attributes.o CTagsEmitter.o CallingConvEmitter.o CodeEmitterGen.o
CodeGenDAGPatterns.o CodeGenHwModes.o CodeGenInstruction.o CodeGenMapTable.o
CodeGenRegisters.o CodeGenSchedule.o CodeGenTarget.o DAGISelEmitter.o
DAGISelMatcher.o DAGISelMatcherEmitter.o DAGISelMatcherGen.o
DAGISelMatcherOpt.o DFAPacketizerEmitter.o DisassemblerEmitter.o
ExegesisEmitter.o FastISelEmitter.o FixedLenDecoderEmitter.o
GlobalISelEmitter.o InfoByHwMode.o InstrDocsEmitter.o InstrInfoEmitter.o
IntrinsicEmitter.o OptParserEmitter.o PredicateExpander.o
PseudoLoweringEmitter.o RISCVCompressInstEmitter.o RegisterBankEmitter.o
RegisterInfoEmitter.o SDNodeProperties.o SearchableTableEmitter.o
SubtargetEmitter.o SubtargetFeatureInfo.o TableGen.o Types.o
WebAssemblyDisassemblerEmitter.o X86DisassemblerTables.o
X86EVEX2VEXTablesEmitter.o X86FoldTablesEmitter.o X86ModRMFilters.o
X86RecognizableInstr.o
/usr/obj/usr/src/tmp/usr/src/lib/clang/libllvmminimal/libllvmminimal.a 
-lncursesw  -lpthread -legacy
/usr/bin/ld: cannot find -lm
c++: error: linker command failed with exit code 1 (use -v to see invocation)
*** Error code 1

Stop.
make[3]: stopped in /usr/src/usr.bin/clang/llvm-tblgen
*** Error code 1

Stop.
make[2]: stopped in /usr/src
*** Error code 1

Stop.
make[1]: stopped in /usr/src
*** Error code 1

Stop.
make: stopped in /usr/src

looks like ld takes some flags for a file ...

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