And here is the patch. 

  Filipe


On Friday, May 25, 2012 at 7:21 PM, Filipe Cabecinhas wrote:

> Hi all, 
> 
> Here is the update patch with both patches + some tweaks. Please check it on 
> Linux and fBSD too, if you can.
> 
> Regards,
> 
> Filipe
> 
> 
> On Wednesday, May 23, 2012 at 5:58 PM, Greg Clayton wrote:
> 
> > 
> > On May 23, 2012, at 3:48 AM, Filipe Cabecinhas wrote:
> > 
> > > Thanks for the info. 
> > > 
> > > So, the problem is lldb-platform using stuff from lldb_private. We should 
> > > change that.
> > 
> > This is how lldb-platform is designed (for now) so we really can't change 
> > this yet. lldb-platform is taking advantage of many innards of LLDB such as 
> > the host layer stuff and mainly right now the GDB remote communications 
> > class. Eventually I would like to get the lldb-platform to be libssl based, 
> > but for now we are using the GDB remote communications as a way to get a 
> > connection to a remote platform. The idea behing the platform is to have a 
> > binary that can take advantage of the work we have already done in the host 
> > layer (list and launch processes, run shell command etc) and vend that 
> > through some communication channel. It is true that eventually we can make 
> > the lldb-platform use the public API, but we aren't there yet.
> > 
> > 
> > > Another problem is: why does this bug only appear in Makefile builds. The 
> > > Mac OS X framework also uses that file for exported symbols.
> > > But lldb-platform doesn't link against the Framework. It only links 
> > > against liblldb-core.dylib (and some system frameworks, of course). If I 
> > > make it link against LLDB.framework instead, I get the same errors (as 
> > > expected).
> > 
> > 
> > 
> > 
> > 
> > It actually shouldn't link against "liblldb-core.dylib", it should link the 
> > static libraries. This should clear up the linking issues you are running 
> > into.
> > 
> > > 
> > > There are two options: Make lldb-platform link against the static library 
> > > everywhere (at least make it do the same for every build system), or make 
> > > it link against the dynamic library/framework everywhere. 
> > 
> > Yes, it should currently link against the the static libraries (.a files).
> > 
> > > 
> > > Regards,
> > > 
> > > Filipe
> > > 
> > > 
> > > On Wednesday, May 23, 2012 at 4:13 AM, Charles Davis wrote:
> > > 
> > > > 
> > > > On May 22, 2012, at 6:10 PM, Filipe Cabecinhas wrote:
> > > > 
> > > > > Hi all, 
> > > > > 
> > > > > I was fixing lldb's Makefile build system, and updating it with 
> > > > > Dragos' LLVMLibsOptions and Charles' python packaging (with printf 
> > > > > instead of echo -n) patches.
> > > > > 
> > > > > But I'm having some weird problems. Everything builds fine with 
> > > > > FreeBSD (haven't tested the Python part yet), but on Mac OS X Lion 
> > > > > (the latest), I get this:
> > > > > 
> > > > > llvm[4]: Linking Debug+Asserts executable lldb-platform
> > > > > clang++ -I/Users/filcab/dev/svn-llvm/build/include 
> > > > > -I/Users/filcab/dev/svn-llvm/build/tools/lldb/tools/lldb-platform 
> > > > > -I/Users/filcab/dev/svn-llvm/include 
> > > > > -I/Users/filcab/dev/svn-llvm/tools/lldb/tools/lldb-platform -D_DEBUG 
> > > > > -D_GNU_SOURCE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS 
> > > > > -D__STDC_LIMIT_MACROS 
> > > > > -I/Users/filcab/dev/svn-llvm/tools/lldb/tools/lldb-platform/../../include
> > > > >  
> > > > > -I/Users/filcab/dev/svn-llvm/build/tools/lldb/tools/lldb-platform/../../include
> > > > >  -I/Users/filcab/dev/svn-llvm/tools/clang/include 
> > > > > -I/Users/filcab/dev/svn-llvm/build/tools/clang/include 
> > > > > -I/System/Library/Frameworks/Python.framework/Versions/2.7/include/python2.7
> > > > >  
> > > > > -I/System/Library/Frameworks/Python.framework/Versions/2.7/include/python2.7
> > > > >  
> > > > > -I/Users/filcab/dev/svn-llvm/tools/lldb/tools/lldb-platform/../../source
> > > > >  
> > > > > -I/Users/filcab/dev/svn-llvm/tools/lldb/tools/lldb-platform/../../source/Utility
> > > > >  
> > > > > -I/Users/filcab/dev/svn-llvm/tools/lldb/tools/lldb-platform/../../source/Plugins/Process/Utility
> > > > >  -I/Users/!
 filcab!
> > > > 
> > > 
> > > 
> > > 
> > > 
> > > /dev/svn-
> > > llvm
> > > > > /tools/lldb/tools/lldb-platform/../../source/Plugins/Process/POSIX 
> > > > > -F/System/Library/Frameworks -F/System/Library/PrivateFrameworks -g 
> > > > > -fvisibility-inlines-hidden -fno-exceptions -fno-rtti -fno-common 
> > > > > -Woverloaded-virtual -Wcast-qual -fno-strict-aliasing -g -Wl,-rpath 
> > > > > -Wl,@executable_path/../lib 
> > > > > -L/Users/filcab/dev/svn-llvm/build/Debug+Asserts/lib 
> > > > > -L/Users/filcab/dev/svn-llvm/build/Debug+Asserts/lib -m64 -pedantic 
> > > > > -Wno-long-long -Wall -W -Wno-unused-parameter -Wwrite-strings 
> > > > > -Wno-unknown-pragmas -Wno-sign-compare -Wno-sign-compare 
> > > > > -Wno-unused-function -Wcovered-switch-default -o 
> > > > > /Users/filcab/dev/svn-llvm/build/Debug+Asserts/bin/lldb-platform 
> > > > > /Users/filcab/dev/svn-llvm/build/tools/lldb/tools/lldb-platform/Debug+Asserts/lldb-platform.o
> > > > >  \
> > > > > -llldb -llldbUtility -Wl,-rpath,@loader_path/../lib/ -lpthread -lm 
> > > > > 
> > > > > 
> > > > > Undefined symbols for architecture x86_64:
> > > > > "__ZN12lldb_private4ArgsC1EPKc", referenced from:
> > > > > _main in lldb-platform.o
> > > > > "__ZN12lldb_private5ErrorC1Ev", referenced from:
> > > > > _main in lldb-platform.o
> > > > > "__ZN12lldb_private8Debugger10InitializeEv", referenced from:
> > > > > _main in lldb-platform.o
> > > > > "__ZN12lldb_private10StreamFileC1EP7__sFILEb", referenced from:
> > > > > _main in lldb-platform.o
> > > > > "__ZN12lldb_private4Args14AppendArgumentEPKcc", referenced from:
> > > > > _main in lldb-platform.o
> > > > > "__ZNK12lldb_private4Args16GetArgumentCountEv", referenced from:
> > > > > _main in lldb-platform.o
> > > > > "__ZNK12lldb_private4Args22GetConstArgumentVectorEv", referenced from:
> > > > > _main in lldb-platform.o
> > > > > "__ZN19ProcessGDBRemoteLog9EnableLogERNSt3tr110shared_ptrIN12lldb_private6StreamEEEjPPKcPS3_",
> > > > >  referenced from:
> > > > > _main in lldb-platform.o
> > > > > "__ZN28GDBRemoteCommunicationServerC1Eb", referenced from:
> > > > > _main in lldb-platform.o
> > > > > "__ZN12lldb_private24ConnectionFileDescriptorC1Ev", referenced from:
> > > > > _main in lldb-platform.o
> > > > > "__ZN12lldb_private13Communication13SetConnectionEPNS_10ConnectionE", 
> > > > > referenced from:
> > > > > _main in lldb-platform.o
> > > > > "__ZNK12lldb_private13Communication11IsConnectedEv", referenced from:
> > > > > _main in lldb-platform.o
> > > > > "__ZN28GDBRemoteCommunicationServer19HandshakeWithClientEPN12lldb_private5ErrorE",
> > > > >  referenced from:
> > > > > _main in lldb-platform.o
> > > > > "__ZN28GDBRemoteCommunicationServer24GetPacketAndSendResponseEjRN12lldb_private5ErrorERbS3_",
> > > > >  referenced from:
> > > > > _main in lldb-platform.o
> > > > > "__ZNK12lldb_private5Error4FailEv", referenced from:
> > > > > _main in lldb-platform.o
> > > > > "__ZNK12lldb_private5Error9AsCStringEPKc", referenced from:
> > > > > _main in lldb-platform.o
> > > > > "__ZN12lldb_private8Debugger9TerminateEv", referenced from:
> > > > > _main in lldb-platform.o
> > > > > "__ZN28GDBRemoteCommunicationServerD1Ev", referenced from:
> > > > > _main in lldb-platform.o
> > > > > "__ZN12lldb_private5ErrorD1Ev", referenced from:
> > > > > _main in lldb-platform.o
> > > > > "__ZN12lldb_private4ArgsD1Ev", referenced from:
> > > > > _main in lldb-platform.o
> > > > > ld: symbol(s) not found for architecture x86_64
> > > > > clang-3: error: linker command failed with exit code 1 (use -v to see 
> > > > > invocation)
> > > > > make[4]: *** 
> > > > > [/Users/filcab/dev/svn-llvm/build/Debug+Asserts/bin/lldb-platform] 
> > > > > Error 1
> > > > > 
> > > > > The problem is that every symbol is there, but marked as local:
> > > > > $ nm Debug+Asserts/lib/liblldb.dylib| grep 
> > > > > __ZNK12lldb_private4Args22GetConstArgumentVectorEv
> > > > > 0000000000275230 t __ZNK12lldb_private4Args22GetConstArgumentVectorEv
> > > > > $ nm Debug+Asserts/lib/liblldb.dylib| grep 
> > > > > __ZN28GDBRemoteCommunicationServerC1Eb
> > > > > 00000000003beca0 t __ZN28GDBRemoteCommunicationServerC1Eb
> > > > 
> > > > 
> > > > 
> > > > 
> > > > 
> > > > 
> > > > Yeah, I had to change the liblldb Makefile so everything gets exported:
> > > > 
> > > > -EXPORTED_SYMBOL_FILE = 
> > > > $(PROJ_SRC_DIR)/../resources/lldb-framework-exports
> > > > +#EXPORTED_SYMBOL_FILE = 
> > > > $(PROJ_SRC_DIR)/../resources/lldb-framework-exports
> > > > 
> > > > That should fix both errors you're seeing.
> > > > 
> > > > By the way, here's an updated version of my libInterpreter Makefile 
> > > > patch--new and improved, now with update to the test suite Makefile. It 
> > > > also avoids the need for printf(1) entirely--it just uses one echo(1) 
> > > > statement for the module list in the __init__.py files.
> > > > 
> > > > Chip 
> > > > 
> > > > 
> > > > Attachments: 
> > > > - python-packaging.patch
> > > 
> > > 
> > > 
> > > 
> > > 
> > > 
> > > 
> > > _______________________________________________
> > > lldb-dev mailing list
> > > [email protected] (mailto:[email protected])
> > > http://lists.cs.uiuc.edu/mailman/listinfo/lldb-dev
> > 
> 


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