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Henrik Bach

2004-Oct-23 16:22 UTC

[LLVMdev] Link error with TOOLLINKOPTS=-ldbghelp on MinGW

Hi LLVM'ers

When linking tblgen tool I get below error message on MinGW.

I have put TOOLLINKOPTS=-ldbghelp in Makefile.config.

However, when rearranging library dbghelp to the end of the g++
line, tblgen gets linked.

--------------------------
make[2]: Entering directory `/C/Projects/build/MinGW/llvm/utils/TableGen'
Linking Debug executable tblgen
/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 -D__MINGW -Wall -W -Wwrite-strings -Wno-unused -g 
-D_DEBUG -rpath /C/Projects/build/MinGW/llvm/tools/Debug -export-dynamic 
-ldbghelp -L/C/Projects/build/MinGW/llvm/lib/Debug 
-L/C/Projects/build/MinGW/llvm/lib/Debug -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 
-lsupport -lLLVMsystem
/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 -D__MINGW -Wall -W -Wwrite-strings -Wno-unused  -g 
-D_DEBUG  -rpath /C/Projects/build/MinGW/llvm/tools/Debug -export-dynamic 
-ldbghelp -L/C/Projects/build/MinGW/llvm/lib/Debug 
-L/C/Projects/build/MinGW/llvm/lib/Debug  -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 
-lsupport -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 -D__MINGW -Wall -W -Wwrite-strings -Wno-unused -g 
-D_DEBUG -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  -ldbghelp -L/C/Projects/build/MinGW/llvm/lib/Debug 
-lsupport -lLLVMsystem -L/C/Projects/build/MinGW/llvm/tools/Debug
c:/Projects/build/MinGW/llvm/lib/Debug/libLLVMsystem.a(Signals.o)(.text+0x8a3): 
In function `Z28LLVMUnhandledExceptionFilterP19_EXCEPTION_POINTERS':
--------------------------

Any suggestions?

Henrik

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John Criswell

2004-Oct-25 19:10 UTC

head link

[LLVMdev] Link error with TOOLLINKOPTS=-ldbghelp on MinGW

Henrik Bach wrote:> Hi LLVM'ers
> 
> When linking tblgen tool I get below error message on MinGW.
> 
> I have put TOOLLINKOPTS=-ldbghelp in Makefile.config.
> 
> However, when rearranging library dbghelp to the end of the g++
> line, tblgen gets linked.
It seems that the -L path options are specified before the LLVM 
libraries (libSystem and libsupport) are linked in.  I think g++ may 
only search linker paths that are specified before a library is specified.

Perhaps you need to make sure that all library paths are specified 
before listing the libraries to link in.

In other words,

g++ -Lpath1 -Lpath2 -ldbghelp -lSystem

...instead of...

g++ -ldbghelp -lSystem -Lpath1 -Lpath2

Just a guess; can anyone verify this?

-- John T.
> 
> --------------------------
> make[2]: Entering directory
`/C/Projects/build/MinGW/llvm/utils/TableGen'
> Linking Debug executable tblgen
> /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 -D__MINGW -Wall -W -Wwrite-strings -Wno-unused -g 
> -D_DEBUG -rpath /C/Projects/build/MinGW/llvm/tools/Debug -export-dynamic 
> -ldbghelp -L/C/Projects/build/MinGW/llvm/lib/Debug 
> -L/C/Projects/build/MinGW/llvm/lib/Debug -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 
> -lsupport -lLLVMsystem
> /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 -D__MINGW -Wall -W -Wwrite-strings -Wno-unused  -g 
> -D_DEBUG  -rpath /C/Projects/build/MinGW/llvm/tools/Debug 
> -export-dynamic -ldbghelp -L/C/Projects/build/MinGW/llvm/lib/Debug 
> -L/C/Projects/build/MinGW/llvm/lib/Debug  -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 
> -lsupport -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 -D__MINGW -Wall -W -Wwrite-strings -Wno-unused -g 
> -D_DEBUG -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  -ldbghelp -L/C/Projects/build/MinGW/llvm/lib/Debug 
> -lsupport -lLLVMsystem -L/C/Projects/build/MinGW/llvm/tools/Debug
>
c:/Projects/build/MinGW/llvm/lib/Debug/libLLVMsystem.a(Signals.o)(.text+0x8a3):
> In function `Z28LLVMUnhandledExceptionFilterP19_EXCEPTION_POINTERS':
> --------------------------
> 
> Any suggestions?
> 
> Henrik
> 
> _________________________________________________________________
> Find det, du søger på MSN Søg http://search.msn.dk
> 
> _______________________________________________
> LLVM Developers mailing list
> LLVMdev at cs.uiuc.edu         http://llvm.cs.uiuc.edu
> http://mail.cs.uiuc.edu/mailman/listinfo/llvmdev

-- 
*********************************************************************
* John T. Criswell                         Email: criswell at uiuc.edu *
* Research Programmer                                               *
* University of Illinois at Urbana-Champaign                        *
*                                                                   *
* "It's today!" said Piglet. "My favorite day," said
Pooh.          *
*********************************************************************

Reid Spencer

2004-Oct-25 19:31 UTC

head link

[LLVMdev] Link error with TOOLLINKOPTS=-ldbghelp on MinGW

John Criswell wrote:> 
> It seems that the -L path options are specified before the LLVM 
> libraries (libSystem and libsupport) are linked in.  I think g++ may 
> only search linker paths that are specified before a library is specified.
> 
> Perhaps you need to make sure that all library paths are specified 
> before listing the libraries to link in.
> 
> In other words,
> 
> g++ -Lpath1 -Lpath2 -ldbghelp -lSystem
> 
> ...instead of...
> 
> g++ -ldbghelp -lSystem -Lpath1 -Lpath2
> 
> Just a guess; can anyone verify this?
> 
That's my understanding too.

REid.

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