Build is broken

[burito]

burito@chairmaker:~/code/$ uname -a
Linux chairmaker 4.15.0-33-generic #36~16.04.1-Ubuntu SMP Wed Aug 15 17:21:05 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux

system: Freshly updated Ubuntu 16.04 LTS

burito@chairmaker:~/code$ git clone git@github.com:xelatihy/yocto-gl
Cloning into 'yocto-gl'...
remote: Counting objects: 6987, done.
remote: Compressing objects: 100% (89/89), done.
remote: Total 6987 (delta 115), reused 131 (delta 85), pack-reused 6813
Receiving objects: 100% (6987/6987), 17.63 MiB | 850.00 KiB/s, done.
Resolving deltas: 100% (5343/5343), done.
Checking connectivity... done.
burito@chairmaker:~/code$ cd yocto-gl/
burito@chairmaker:~/code/yocto-gl$ mkdir build
burito@chairmaker:~/code/yocto-gl$ cd build/
burito@chairmaker:~/code/yocto-gl/build$ cmake ..
-- The C compiler identification is GNU 5.4.0
-- The CXX compiler identification is GNU 5.4.0
-- Check for working C compiler: /usr/bin/cc
-- Check for working C compiler: /usr/bin/cc -- works
-- Detecting C compiler ABI info
-- Detecting C compiler ABI info - done
-- Detecting C compile features
-- Detecting C compile features - done
-- Check for working CXX compiler: /usr/bin/c++
-- Check for working CXX compiler: /usr/bin/c++ -- works
-- Detecting CXX compiler ABI info
-- Detecting CXX compiler ABI info - done
-- Detecting CXX compile features
-- Detecting CXX compile features - done
-- Looking for pthread.h
-- Looking for pthread.h - found
-- Looking for pthread_create
-- Looking for pthread_create - not found
-- Looking for pthread_create in pthreads
-- Looking for pthread_create in pthreads - not found
-- Looking for pthread_create in pthread
-- Looking for pthread_create in pthread - found
-- Found Threads: TRUE  
-- Found OpenGL: /usr/lib/x86_64-linux-gnu/libGL.so  
-- Found GLEW: /usr/include  
-- Configuring done
-- Generating done
-- Build files have been written to: /home/burito/code/yocto-gl/build
burito@chairmaker:~/code/yocto-gl/build$ make
Scanning dependencies of target ygl
[  4%] Building CXX object CMakeFiles/ygl.dir/yocto/ygl.cpp.o
/home/burito/code/yocto-gl/yocto/ygl.cpp: In function ‘std::tuple<std::vector<ygl::vec<float, 3>, std::allocator<ygl::vec<float, 3> > >, std::vector<ygl::vec<float, 3>, std::allocator<ygl::vec<float, 3> > >, std::vector<ygl::vec<float, 2>, std::allocator<ygl::vec<float, 2> > > > ygl::sample_triangles_points(const std::vector<ygl::vec<int, 3> >&, const std::vector<ygl::vec<float, 3> >&, const std::vector<ygl::vec<float, 3> >&, const std::vector<ygl::vec<float, 2> >&, int, int)’:
/home/burito/code/yocto-gl/yocto/ygl.cpp:966:56: error: converting to ‘std::tuple<std::vector<ygl::vec<float, 3>, std::allocator<ygl::vec<float, 3> > >, std::vector<ygl::vec<float, 3>, std::allocator<ygl::vec<float, 3> > >, std::vector<ygl::vec<float, 2>, std::allocator<ygl::vec<float, 2> > > >’ from initializer list would use explicit constructor ‘constexpr std::tuple< <template-parameter-1-1> >::tuple(_UElements&& ...) [with _UElements = {std::vector<ygl::vec<float, 3>, std::allocator<ygl::vec<float, 3> > >&, std::vector<ygl::vec<float, 3>, std::allocator<ygl::vec<float, 3> > >&, std::vector<ygl::vec<float, 2>, std::allocator<ygl::vec<float, 2> > >&}; <template-parameter-2-2> = void; _Elements = {std::vector<ygl::vec<float, 3>, std::allocator<ygl::vec<float, 3> > >, std::vector<ygl::vec<float, 3>, std::allocator<ygl::vec<float, 3> > >, std::vector<ygl::vec<float, 2>, std::allocator<ygl::vec<float, 2> > >}]’
     return {sampled_pos, sampled_norm, sampled_texcoord};
                                                        ^
CMakeFiles/ygl.dir/build.make:62: recipe for target 'CMakeFiles/ygl.dir/yocto/ygl.cpp.o' failed
make[2]: *** [CMakeFiles/ygl.dir/yocto/ygl.cpp.o] Error 1
CMakeFiles/Makefile2:141: recipe for target 'CMakeFiles/ygl.dir/all' failed
make[1]: *** [CMakeFiles/ygl.dir/all] Error 2
Makefile:83: recipe for target 'all' failed
make: *** [all] Error 2

Gcc does not like. 3.8 is pictured here, 5.0 also tested, same result (to the letter).

burito@chairmaker:~/code/yocto-gl/build$ rm -rf * && CC=clang CXX=clang++ cmake .. && make
-- The C compiler identification is Clang 3.8.0
-- The CXX compiler identification is Clang 3.8.0
-- Check for working C compiler: /usr/bin/clang
-- Check for working C compiler: /usr/bin/clang -- works
-- Detecting C compiler ABI info
-- Detecting C compiler ABI info - done
-- Detecting C compile features
-- Detecting C compile features - done
-- Check for working CXX compiler: /usr/bin/clang++
-- Check for working CXX compiler: /usr/bin/clang++ -- works
-- Detecting CXX compiler ABI info
-- Detecting CXX compiler ABI info - done
-- Detecting CXX compile features
-- Detecting CXX compile features - done
-- Looking for pthread.h
-- Looking for pthread.h - found
-- Looking for pthread_create
-- Looking for pthread_create - not found
-- Looking for pthread_create in pthreads
-- Looking for pthread_create in pthreads - not found
-- Looking for pthread_create in pthread
-- Looking for pthread_create in pthread - found
-- Found Threads: TRUE  
-- Found OpenGL: /usr/lib/x86_64-linux-gnu/libGL.so  
-- Found GLEW: /usr/include  
-- Configuring done
-- Generating done
-- Build files have been written to: /home/burito/code/yocto-gl/build
Scanning dependencies of target ygl
[  4%] Building CXX object CMakeFiles/ygl.dir/yocto/ygl.cpp.o
/home/burito/code/yocto-gl/yocto/ygl.cpp:966:12: error: chosen constructor is explicit in copy-initialization
    return {sampled_pos, sampled_norm, sampled_texcoord};
           ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/bin/../lib/gcc/x86_64-linux-gnu/5.4.0/../../../../include/c++/5.4.0/tuple:479:19: note: constructor declared here
        constexpr tuple(_UElements&&... __elements)
                  ^
1 error generated.
CMakeFiles/ygl.dir/build.make:62: recipe for target 'CMakeFiles/ygl.dir/yocto/ygl.cpp.o' failed
make[2]: *** [CMakeFiles/ygl.dir/yocto/ygl.cpp.o] Error 1
CMakeFiles/Makefile2:141: recipe for target 'CMakeFiles/ygl.dir/all' failed
make[1]: *** [CMakeFiles/ygl.dir/all] Error 2
Makefile:83: recipe for target 'all' failed
make: *** [all] Error 2

That's what Clang 3.8 had to say. Clang 6 gives the exact same error, again, to the letter.

[burito]

And on current OS X as of now...

ethicsgradient:build burito$ cmake .. && make
-- The C compiler identification is AppleClang 9.1.0.9020039
-- The CXX compiler identification is AppleClang 9.1.0.9020039
-- Check for working C compiler: /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/cc
-- Check for working C compiler: /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/cc -- works
-- Detecting C compiler ABI info
-- Detecting C compiler ABI info - done
-- Detecting C compile features
-- Detecting C compile features - done
-- Check for working CXX compiler: /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/c++
-- Check for working CXX compiler: /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/c++ -- works
-- Detecting CXX compiler ABI info
-- Detecting CXX compiler ABI info - done
-- Detecting CXX compile features
-- Detecting CXX compile features - done
-- Found OpenGL: /System/Library/Frameworks/OpenGL.framework   
-- Configuring done
-- Generating done
-- Build files have been written to: /Users/burito/code/yocto-gl/build
Scanning dependencies of target ygl
[  4%] Building CXX object CMakeFiles/ygl.dir/yocto/ygl.cpp.o
[  8%] Building CXX object CMakeFiles/ygl.dir/yocto/yglio.cpp.o
[ 12%] Linking CXX static library ../bin/libygl.a
[ 12%] Built target ygl
Scanning dependencies of target yitrace
[ 16%] Building CXX object CMakeFiles/yitrace.dir/apps/yitrace.cpp.o
[ 20%] Building CXX object CMakeFiles/yitrace.dir/apps/imgui/imgui.cpp.o
[ 25%] Building CXX object CMakeFiles/yitrace.dir/apps/imgui/imgui_draw.cpp.o
[ 29%] Building CXX object CMakeFiles/yitrace.dir/apps/imgui/imgui_impl_glfw_gl3.cpp.o
[ 33%] Linking CXX executable ../bin/yitrace
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      _OBJC_CLASS_$_GLFWApplicationDelegate in libglfw3.a(cocoa_window.m.o)
      _OBJC_CLASS_$_GLFWLayoutListener in libglfw3.a(cocoa_init.m.o)
  "_OBJC_CLASS_$_NSOpenGLContext", referenced from:
      objc-class-ref in libglfw3.a(nsgl_context.m.o)
  "_OBJC_CLASS_$_NSOpenGLPixelFormat", referenced from:
      objc-class-ref in libglfw3.a(nsgl_context.m.o)
  "_OBJC_CLASS_$_NSPasteboard", referenced from:
      objc-class-ref in libglfw3.a(cocoa_window.m.o)
  "_OBJC_CLASS_$_NSString", referenced from:
      objc-class-ref in libglfw3.a(cocoa_window.m.o)
  "_OBJC_CLASS_$_NSThread", referenced from:
      objc-class-ref in libglfw3.a(cocoa_window.m.o)
  "_OBJC_CLASS_$_NSTrackingArea", referenced from:
      objc-class-ref in libglfw3.a(cocoa_window.m.o)
  "_OBJC_CLASS_$_NSView", referenced from:
      _OBJC_CLASS_$_GLFWContentView in libglfw3.a(cocoa_window.m.o)
  "_OBJC_CLASS_$_NSWindow", referenced from:
      _OBJC_CLASS_$_GLFWWindow in libglfw3.a(cocoa_window.m.o)
  "_OBJC_METACLASS_$_NSApplication", referenced from:
      _OBJC_METACLASS_$_GLFWApplication in libglfw3.a(cocoa_window.m.o)
  "_OBJC_METACLASS_$_NSObject", referenced from:
      _OBJC_METACLASS_$_GLFWWindowDelegate in libglfw3.a(cocoa_window.m.o)
      _OBJC_METACLASS_$_GLFWApplicationDelegate in libglfw3.a(cocoa_window.m.o)
      _OBJC_METACLASS_$_GLFWContentView in libglfw3.a(cocoa_window.m.o)
      _OBJC_METACLASS_$_GLFWWindow in libglfw3.a(cocoa_window.m.o)
      _OBJC_METACLASS_$_GLFWApplication in libglfw3.a(cocoa_window.m.o)
      _OBJC_METACLASS_$_GLFWLayoutListener in libglfw3.a(cocoa_init.m.o)
  "_OBJC_METACLASS_$_NSView", referenced from:
      _OBJC_METACLASS_$_GLFWContentView in libglfw3.a(cocoa_window.m.o)
  "_OBJC_METACLASS_$_NSWindow", referenced from:
      _OBJC_METACLASS_$_GLFWWindow in libglfw3.a(cocoa_window.m.o)
  "_UCKeyTranslate", referenced from:
      __glfwPlatformGetKeyName in libglfw3.a(cocoa_window.m.o)
  "___CFConstantStringClassReference", referenced from:
      CFString in libglfw3.a(cocoa_window.m.o)
      CFString in libglfw3.a(cocoa_window.m.o)
      CFString in libglfw3.a(cocoa_window.m.o)
      CFString in libglfw3.a(cocoa_window.m.o)
      CFString in libglfw3.a(cocoa_window.m.o)
      CFString in libglfw3.a(cocoa_window.m.o)
      CFString in libglfw3.a(cocoa_window.m.o)
      ...
  "__objc_empty_cache", referenced from:
      _OBJC_CLASS_$_GLFWWindowDelegate in libglfw3.a(cocoa_window.m.o)
      _OBJC_METACLASS_$_GLFWWindowDelegate in libglfw3.a(cocoa_window.m.o)
      _OBJC_METACLASS_$_GLFWApplicationDelegate in libglfw3.a(cocoa_window.m.o)
      _OBJC_CLASS_$_GLFWApplicationDelegate in libglfw3.a(cocoa_window.m.o)
      _OBJC_CLASS_$_GLFWContentView in libglfw3.a(cocoa_window.m.o)
      _OBJC_METACLASS_$_GLFWContentView in libglfw3.a(cocoa_window.m.o)
      _OBJC_METACLASS_$_GLFWWindow in libglfw3.a(cocoa_window.m.o)
      ...
  "_kCFAllocatorDefault", referenced from:
      __glfwPlatformGetKeyName in libglfw3.a(cocoa_window.m.o)
      __glfwInitJoysticksNS in libglfw3.a(cocoa_joystick.m.o)
      _createMatchingDictionary in libglfw3.a(cocoa_joystick.m.o)
      _getProcAddressNSGL in libglfw3.a(nsgl_context.m.o)
  "_kCFAllocatorNull", referenced from:
      __glfwPlatformGetKeyName in libglfw3.a(cocoa_window.m.o)
  "_kCFRunLoopDefaultMode", referenced from:
      __glfwInitJoysticksNS in libglfw3.a(cocoa_joystick.m.o)
  "_kCFTypeArrayCallBacks", referenced from:
      __glfwInitJoysticksNS in libglfw3.a(cocoa_joystick.m.o)
  "_kCFTypeDictionaryKeyCallBacks", referenced from:
      _createMatchingDictionary in libglfw3.a(cocoa_joystick.m.o)
  "_kCFTypeDictionaryValueCallBacks", referenced from:
      _createMatchingDictionary in libglfw3.a(cocoa_joystick.m.o)
  "_objc_msgSend", referenced from:
      -[GLFWWindowDelegate windowDidResize:] in libglfw3.a(cocoa_window.m.o)
      -[GLFWWindowDelegate windowDidMove:] in libglfw3.a(cocoa_window.m.o)
      _acquireMonitor in libglfw3.a(cocoa_window.m.o)
      __glfwPlatformIconifyWindow in libglfw3.a(cocoa_window.m.o)
      -[GLFWApplicationDelegate applicationDidFinishLaunching:] in libglfw3.a(cocoa_window.m.o)
      __glfwPlatformPostEmptyEvent in libglfw3.a(cocoa_window.m.o)
      +[GLFWContentView initialize] in libglfw3.a(cocoa_window.m.o)
      ...
  "_objc_msgSendSuper2", referenced from:
      -[GLFWWindowDelegate initWithGlfwWindow:] in libglfw3.a(cocoa_window.m.o)
      -[GLFWContentView initWithGlfwWindow:] in libglfw3.a(cocoa_window.m.o)
      -[GLFWContentView dealloc] in libglfw3.a(cocoa_window.m.o)
      -[GLFWContentView updateTrackingAreas] in libglfw3.a(cocoa_window.m.o)
      -[GLFWApplication sendEvent:] in libglfw3.a(cocoa_window.m.o)
  "_objc_msgSend_stret", referenced from:
      -[GLFWWindowDelegate windowDidResize:] in libglfw3.a(cocoa_window.m.o)
      __glfwPlatformGetWindowPos in libglfw3.a(cocoa_window.m.o)
      -[GLFWContentView mouseMoved:] in libglfw3.a(cocoa_window.m.o)
      -[GLFWContentView viewDidChangeBackingProperties] in libglfw3.a(cocoa_window.m.o)
      -[GLFWContentView updateTrackingAreas] in libglfw3.a(cocoa_window.m.o)
      -[GLFWContentView performDragOperation:] in libglfw3.a(cocoa_window.m.o)
      -[GLFWContentView firstRectForCharacterRange:actualRange:] in libglfw3.a(cocoa_window.m.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]: *** [../bin/yitrace] Error 1
make[1]: *** [CMakeFiles/yitrace.dir/all] Error 2
make: *** [all] Error 2

And before you ask...

ethicsgradient:build burito$ clang --version
Apple LLVM version 9.1.0 (clang-902.0.39.2)
Target: x86_64-apple-darwin17.7.0
Thread model: posix
InstalledDir: /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin

[xelatihy]

thanks - I'll look into it

[xelatihy]

Too old version to fix now. Sorry.