CGAL users discussion list

[Dror Atariah <>]

On Aug 9, 2013, at 13:32 PM, Elena wrote:

> Hello!
> 
> I have a problem compiling CGAL ipelets on OS X 10.7.5. Ipe version is
> 7.1.4. 
> CGAL 4.2.0  (installed via Macports, cgal @4.2_0+demos+qt4)
> Demos and examples compile smoothly.
> 
> Now I want to install CGAL ipelets.
> I do
> 
> 
> /*cmake -DIPE_INCLUDE_DIR=/opt/local/include -DIPE_LIBRARY_DIR=/opt/local/
> .*/
> 
> and get 
> 
> /-- Build type: Release
> -- USING CXXFLAGS = '-pipe -Os -arch x86_64  -O3 -DNDEBUG'
> -- USING EXEFLAGS = ' -L/opt/local/lib -Wl,-headerpad_max_install_names
> -arch x86_64
> -Wl,-dylib_file,/System/Library/Frameworks/OpenGL.framework/Versions/A/Libraries/libGL.dylib:/System/Library/Frameworks/OpenGL.framework/Versions/A/Libraries/libGL.dylib
> '
> -- Targetting Unix Makefiles
> -- Using /usr/bin/c++ compiler.
> -- DARWIN_VERSION=11
> -- Mac Leopard detected
> -- Requested component: Core
> -- Requested component: MPFR
> -- Requested component: GMP
> -- Found Ipe: /opt/local/include /opt/local/lib/libipe.so
> -- Using IPE version 7 compatibility.
> -- Set Ipelets install dir: /opt/local/lib/ipe/7.1.4/ipelets
> -- Configuring done
> -- Generating done
> -- Build files have been written to:
> /opt/local/share/cgal/demo/CGAL_ipelets/
> 
> Then I do 
> 
> /*make install*/
I think you should first do "make" after that invoke "make install"
> 
> and get
> 
> 
> /Scanning dependencies of target CGAL_alpha_shapes
> Linking CXX shared module libCGAL_alpha_shapes.so
> Undefined symbols for architecture x86_64:
>  "ipe::Lex::getInt()", referenced from:
>      std::pair<int, int> CGAL::Ipelet_base<CGAL::Epick,
> 2>::request_value_from_user<int>(std::string) const in alpha_shapes.cpp.o
> 
> [...] // a lot of similar text here
> 
> ld: symbol(s) not found for architecture x86_64
> clang: error: linker command failed with exit code 1 (use -v to see
> invocation)
> make[2]: *** [libCGAL_alpha_shapes.so] Error 1
> make[1]: *** [CMakeFiles/CGAL_alpha_shapes.dir/all] Error 2
> make: *** [all] Error 2/
> 
> 
> Does anybody have an idea how to deal with that?
> Best regards,
> Elena
> 
> 
> 
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