[llvm-commits] Fix llvm-config

[Danil Malyshev]

Hello Daniel,

I use mingw32 and cross tools based on gcc-4.5.1

LLVM configured with following parameters:

../llvm/configure
 --prefix=/g/llvm-armv7 \
 --build=i686-pc-mingw32 \
 --host=armv7-none-linux-gnueabi \
 --target=armv7-none-linux-gnueabi \
 --disable-shared --disable-multilib --disable-nls --disable-bootstrap \
 --with-cpu=cortex-a8 --with-fpu=neon --with-abi=aapcs --with-float=hard

and make stopped with following messages:

make[2]: *** No rule to make target `g:/mytries/build/obj-cross-llvm/BuildTools/Debug+Asserts/lib/libLLVMipo.a', needed by `/g/mytries/build/obj-cross-llvm/Debug+Asserts/bin/opt'.  Stop.
make[2]: Leaving directory `/g/mytries/build/obj-cross-llvm/tools/opt'
make[1]: *** [opt/.makeall] Error 2

And the same result if I try make any other tool.
I found that the command:

/g/mytries/build/obj-cross-llvm/BuildTools/Debug+Asserts/bin/llvm-config --libfiles ipo

returns:

g:/mytries/build/obj-cross-llvm/BuildTools/Debug+Asserts/lib/libLLVMipo.a g:/mytries/build/obj-cross-llvm/BuildTools/Debug+Asserts/lib/libLLVMScalarOpts.a g:/mytries/build/obj-cross-llvm/BuildTools/Debug+Asserts/lib/libLLVMInstCombine.a g:/mytries/build/obj-cross-llvm/BuildTools/Debug+Asserts/lib/libLLVMTransformUtils.a g:/mytries/build/obj-cross-llvm/BuildTools/Debug+Asserts/lib/libLLVMipa.a g:/mytries/build/obj-cross-llvm/BuildTools/Debug+Asserts/lib/libLLVMAnalysis.a g:/mytries/build/obj-cross-llvm/BuildTools/Debug+Asserts/lib/libLLVMTarget.a g:/mytries/build/obj-cross-llvm/BuildTools/Debug+Asserts/lib/libLLVMMC.a g:/mytries/build/obj-cross-llvm/BuildTools/Debug+Asserts/lib/libLLVMObject.a g:/mytries/build/obj-cross-llvm/BuildTools/Debug+Asserts/lib/libLLVMCore.a g:/mytries/build/obj-cross-llvm/BuildTools/Debug+Asserts/lib/libLLVMSupport.a

but this libraries stored in
g:/mytries/build/obj-cross-llvm/Debug+Asserts/lib
instread of
g:/mytries/build/obj-cross-llvm/BuildTools/Debug+Asserts/lib


Regards,
Danil

-----Original Message-----
From: daniel.dunbar at gmail.com [mailto:daniel.dunbar at gmail.com] On Behalf Of Daniel Dunbar
Sent: Monday, December 12, 2011 9:31 PM
To: Danil Malyshev
Cc: llvm-commits at cs.uiuc.edu
Subject: Re: [llvm-commits] Fix llvm-config

Hi Danil,

I don't understand why this is necessary yet.

If you are doing a cross compilation, then your llvm-config should be
in a development tree, and the first if() branch in that set should be
followed, which already handles the BuildTools case.

Can you give me more information about the failure, what tool is being
run, and the exact command line?

Thanks,
 - Daniel

On Fri, Dec 9, 2011 at 2:41 PM, Danil Malyshev
<dmalyshev at accesssoftek.com> wrote:
> Hello everyone,
>
>
>
> LLVM cross-compilation stops when it tries linking tools with an error
> message that the library needed to link not found.
>
> The attached patch fixed it.
>
>
>
> Regards,
>
> Danil
>
>
>
>
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