[LLVMbugs] TOOLLINKOPTSB from Makefile.config is put several places on the command line

[Henrik Bach]

Hi

Just for fun I set below variables in Makefile.config:

LDFLAGS+=LDFLAGS
TOOLLINKOPTSB=TOOLLINKOPTSB
TOOLLINKOPTS=TOOLLINKOPTS

to see where they are placed.

And the variables are put:
----------------------------
/C/Projects/build/MinGW/llvm/mklib --tag=disable-shared --tag=CXX 
--mode=link g++ -I/C/Projects/build/MinGW/llvm/utils/TableGen 
-I/C/Projects/build/MinGW/llvm/../../../src/llvm/utils/TableGen 
-I/C/Projects/build/MinGW/llvm/../../../src/llvm/include 
-I/C/Projects/build/MinGW/llvm/include 
-I/C/Projects/build/MinGW/llvm/include 
-I/C/Projects/build/MinGW/llvm/../../../src/llvm/include -D_GNU_SOURCE 
-D__STDC_LIMIT_MACROS -Wall -W -Wwrite-strings -Wno-unused LDFLAGS -g 
-D_DEBUG  -rpath /C/Projects/build/MinGW/llvm/tools/Debug -export-dynamic 
TOOLLINKOPTS TOOLLINKOPTSB -L/C/Projects/build/MinGW/llvm/lib/Debug 
-L/C/Projects/build/MinGW/llvm/lib/Debug  TOOLLINKOPTSB  -o 
/C/Projects/build/MinGW/llvm/tools/Debug/tblgen 
/C/Projects/build/MinGW/llvm/utils/TableGen/Debug/AsmWriterEmitter.o 
/C/Projects/build/MinGW/llvm/utils/TableGen/Debug/CodeEmitterGen.o 
/C/Projects/build/MinGW/llvm/utils/TableGen/Debug/CodeGenTarget.o 
/C/Projects/build/MinGW/llvm/utils/TableGen/Debug/FileLexer.o 
/C/Projects/build/MinGW/llvm/utils/TableGen/Debug/FileParser.o 
/C/Projects/build/MinGW/llvm/utils/TableGen/Debug/InstrInfoEmitter.o 
/C/Projects/build/MinGW/llvm/utils/TableGen/Debug/InstrSelectorEmitter.o 
/C/Projects/build/MinGW/llvm/utils/TableGen/Debug/Record.o 
/C/Projects/build/MinGW/llvm/utils/TableGen/Debug/RegisterInfoEmitter.o 
/C/Projects/build/MinGW/llvm/utils/TableGen/Debug/TableGen.o 
/C/Projects/build/MinGW/llvm/utils/TableGen/Debug/TableGenBackend.o 
-lLLVMSupport -lLLVMSystem
g++ -I/C/Projects/build/MinGW/llvm/utils/TableGen 
-I/C/Projects/build/MinGW/llvm/../../../src/llvm/utils/TableGen 
-I/C/Projects/build/MinGW/llvm/../../../src/llvm/include 
-I/C/Projects/build/MinGW/llvm/include 
-I/C/Projects/build/MinGW/llvm/include 
-I/C/Projects/build/MinGW/llvm/../../../src/llvm/include -D_GNU_SOURCE 
-D__STDC_LIMIT_MACROS -Wall -W -Wwrite-strings -Wno-unused LDFLAGS -g 
-D_DEBUG TOOLLINKOPTS TOOLLINKOPTSB TOOLLINKOPTSB -o 
/C/Projects/build/MinGW/llvm/tools/Debug/tblgen 
/C/Projects/build/MinGW/llvm/utils/TableGen/Debug/AsmWriterEmitter.o 
/C/Projects/build/MinGW/llvm/utils/TableGen/Debug/CodeEmitterGen.o 
/C/Projects/build/MinGW/llvm/utils/TableGen/Debug/CodeGenTarget.o 
/C/Projects/build/MinGW/llvm/utils/TableGen/Debug/FileLexer.o 
/C/Projects/build/MinGW/llvm/utils/TableGen/Debug/FileParser.o 
/C/Projects/build/MinGW/llvm/utils/TableGen/Debug/InstrInfoEmitter.o 
/C/Projects/build/MinGW/llvm/utils/TableGen/Debug/InstrSelectorEmitter.o 
/C/Projects/build/MinGW/llvm/utils/TableGen/Debug/Record.o 
/C/Projects/build/MinGW/llvm/utils/TableGen/Debug/RegisterInfoEmitter.o 
/C/Projects/build/MinGW/llvm/utils/TableGen/Debug/TableGen.o 
/C/Projects/build/MinGW/llvm/utils/TableGen/Debug/TableGenBackend.o 
-Wl,--export-dynamic  -L/C/Projects/build/MinGW/llvm/lib/Debug -lLLVMSupport 
-lLLVMSystem -L/C/Projects/build/MinGW/llvm/tools/Debug
----------------------------

I notice that TOOLLINKOPTSB is put several places which I assume it 
shouldn't. I can't, at this moment, figure why it behaves this way.

Henrik

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