[cfe-commits] r157396 - /cfe/trunk/docs/ClangPlugins.html

Erik Verbruggen erikjv at me.com
Tue Jun 5 07:56:45 PDT 2012

On Jun 4, 2012, at 15:32, Manuel Klimek wrote:

> On Fri, Jun 1, 2012 at 1:10 PM, Erik Verbruggen <erikjv at me.com> wrote:
> On May 24, 2012, at 19:07, Manuel Klimek wrote:
> > Author: klimek
> > Date: Thu May 24 12:07:18 2012
> > New Revision: 157396
> >
> > URL: http://llvm.org/viewvc/llvm-project?rev=157396&view=rev
> > Log:
> > Adds a tutorial for how to write clang plugins.
> Sorry for the late reply, but it would be really nice if you could add a paragraph which mentions the libraries used for linking (for all those people who want (have?) to use esoteric build systems)...
> Hm, since this is a dynamic library, doesn't it basically not require linking anything in at compile time, but the right symbols to be available in the clang executable at runtime? Or did you have something else in mind?

I link with:

clang++ -headerpad_max_install_names -arch x86_64 -o qt-checker main.o -L/data/clang-llvm/llvm-3.1-install/lib -lpthread -lm -lLLVMCore -lLLVMSupport -lclangTooling -lclangAST -lclangFrontend -lclangSerialization -lclangSema -lclangAnalysis -lclangBasic -lclangEdit -lclangLex -lclangParse -Wl,-undefined,dynamic_lookup -L../checkers -lcheckers

I get:

 dyld: lazy symbol binding failed: Symbol not found: __ZN5clang6driver6DriverC1EN4llvm9StringRefES3_S3_bRNS_17DiagnosticsEngineE
  Referenced from: /data/git/qtcheckers/app/qt-checker
  Expected in: dynamic lookup

Etc. For clang plug-ins it works, but apparently not for tooling executables...

-- Erik.
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