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Re: ranlib produces "has no symbols" msg

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This error still happens on OS X 10 El Capitan. The result is that even a small test program fails the linking phase with FLTK. 

/Applications/CLion.app/Contents/bin/cmake/bin/cmake --build /Users/adam/Library/Caches/CLion2016.2/cmake/generated/fltk_test-f06748b0/f06748b0/Debug --target all -- -j 8
Scanning dependencies of target fltk_test
[ 50%] Building CXX object CMakeFiles/fltk_test.dir/main.cpp.o
[100%] Linking CXX executable fltk_test
Undefined symbols for architecture x86_64:
  "fl_define_FL_SHADOW_LABEL()", referenced from:
      _main in main.cpp.o
  "Fl::run()", referenced from:
      _main in main.cpp.o
  "Fl_Box::Fl_Box(int, int, int, int, char const*)", referenced from:
      _main in main.cpp.o
  "Fl_Group::end()", referenced from:
      _main in main.cpp.o
  "Fl_Window::show(int, char**)", referenced from:
      _main in main.cpp.o
  "Fl_Window::Fl_Window(int, int, char const*)", referenced from:
      _main in main.cpp.o
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]: *** [fltk_test] Error 1
make[1]: *** [CMakeFiles/fltk_test.dir/all] Error 2
make: *** [all] Error 2


/usr/bin/ar cr ../lib/libfltk.a ...
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ranlib: file: ../lib/libfltk.a(Fl_x.o) has no symbols
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ranlib: file: ../lib/libfltk.a(fl_dnd.o) has no symbols
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ranlib: file: ../lib/libfltk.a(fl_overlay_visual.o) has no symbols
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ranlib: file: ../lib/libfltk.a(fl_call_main.o) has no symbols
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ranlib: file: ../lib/libfltk.a(scandir.o) has no symbols
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ranlib: file: ../lib/libfltk.a(keysym2Ucs.o) has no symbols
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ranlib: file: ../lib/libfltk.a(utf8Input.o) has no symbols
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ranlib: file: ../lib/libfltk.a(utf8Utils.o) has no symbols
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ranlib: file: ../lib/libfltk.a(utf8Wrap.o) has no symbols
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ranlib: file: ../lib/libfltk.a(Fl_x.o) has no symbols
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ranlib: file: ../lib/libfltk.a(fl_dnd.o) has no symbols
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ranlib: file: ../lib/libfltk.a(fl_overlay_visual.o) has no symbols
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ranlib: file: ../lib/libfltk.a(fl_call_main.o) has no symbols
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ranlib: file: ../lib/libfltk.a(scandir.o) has no symbols
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ranlib: file: ../lib/libfltk.a(keysym2Ucs.o) has no symbols
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ranlib: file: ../lib/libfltk.a(utf8Input.o) has no symbols
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ranlib: file: ../lib/libfltk.a(utf8Utils.o) has no symbols
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ranlib: file: ../lib/libfltk.a(utf8Wrap.o) has no symbols


On Wednesday, January 20, 2010 at 6:15:15 PM UTC-8, Art Werschulz wrote:
> Hi.
> 
> Running Mac OS X 10.6.2 (Snow Leopard) ...
> 
> When running ranlib, I sometimes get error msgs saying that a particular
> library entry has no symbols.  This most recently happened with the FLTK
> libraries, e.g.:
>   $ ranlib libfltk.a 
>   ranlib: file: libfltk.a(Fl_x.o) has no symbols
>   ranlib: file: libfltk.a(fl_overlay_visual.o) has no symbols
>   ranlib: file: libfltk.a(fl_call_main.o) has no symbols
>   ranlib: file: libfltk.a(scandir.o) has no symbols
>   ranlib: file: libfltk.a(keysym2Ucs.o) has no symbols
>   ranlib: file: libfltk.a(utf8Input.o) has no symbols
>   ranlib: file: libfltk.a(utf8Utils.o) has no symbols
>   ranlib: file: libfltk.a(utf8Wrap.o) has no symbols
> 
> I did not have this problem with Mac OS X 10.5 (Leopard).
> 
> Has anybody run into this problem?  If so, what's the fix?
> 
> Many thanks.
> 
> -- 
> Art Werschulz (agw STRUDEL comcast.net)
> ... insert clever quote here ...

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Re: ranlib produces "has no symbols" msg adam.mendoza@gmail.com - 2016-10-02 21:19 -0700

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