[Boost-users] Trouble linking with boost::program_options on OSX 10.7

Subject: [Boost-users] Trouble linking with boost::program_options on OSX 10.7
From: Jürgen Simon (juergen_simon_at_[hidden])
Date: 2012-06-22 12:45:25

Hi,

I have boost 1.49 installed through homebrew on OSX 10.7. I'm attempting to
compile a program making use of boost::program_options. I get the following
error:

Undefined symbols for architecture x86_64:
 "boost::program_options::detail::cmdline::get_canonical_option_prefix()",
referenced from:
     boost::program_options::basic_command_line_parser<char>::run() in
meanshift_clustering.o
ld: symbol(s) not found for architecture x86_64
clang: error: linker command failed with exit code 1 (use -v to see
invocation)

I clearly remember that this used to compile in the past. In the meantime I
had uninstalled and re-installed boost a few times. I double-checked the
invocation though, the paths are correct:

Ld Debug/meanshift_clustering normal x86_64
   cd myproject
   setenv MACOSX_DEPLOYMENT_TARGET 10.7

/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang++ 
-arch x86_64 
-isysroot
/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.7.sdk 
-Lmyproject/Debug -Fmyproject/Debug 
-filelist
myproject/myproject.build/Debug/meanshift_clustering.build/Objects-normal/x86_64/meanshift_clustering.LinkFileList 
-mmacosx-version-min=10.7 
-Wl,-search_paths_first -Wl,
-headerpad_max_install_names myproject/Debug/libmyproject.dylib
/usr/local/lib/libradolan.dylib /usr/local/lib/libnetcdf_c++.dylib
/usr/local/lib/libnetcdf.dylib /usr/local/lib/libboost_system-mt.dylib
/usr/local/lib/libboost_program_options-mt.dylib
/usr/local/lib/libboost_thread-mt.dylib /usr/local/lib/libhdf5.dylib
/usr/local/lib/libhdf5_hl.dylib -o myproject/Debug/meanshift_clustering

I checked with nm if the symbol is in
/usr/local/lib/libboost_program_options-mt.dylib and it is not. This makes
me think it's some kind of problem with boost. I do not reference this
symbol in my code directly, anywhere.

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