`make` fail on macOS

[timqian]

• System: macOS Sierra

• installed imageMagick using brew install ImageMagick

• error log:

  g++ -c sample.cc -lm -O3 -Wall -Wno-unused-result `Magick++-config --cppflags --cxxflags --ldflags --libs`
  clang: warning: -lm: 'linker' input unused
  clang: warning: -lMagick++-7.Q16HDRI: 'linker' input unused
  clang: warning: -lMagickWand-7.Q16HDRI: 'linker' input unused
  clang: warning: -lMagickCore-7.Q16HDRI: 'linker' input unused
  clang: warning: -lMagick++-7.Q16HDRI: 'linker' input unused
  clang: warning: -lMagickWand-7.Q16HDRI: 'linker' input unused
  clang: warning: -lMagickCore-7.Q16HDRI: 'linker' input unused
  clang: warning: argument unused during compilation: '-L/usr/local/Cellar/imagemagick/7.0.5-2/lib'
  clang: warning: argument unused during compilation: '-L/usr/local/Cellar/imagemagick/7.0.5-2/lib'
  In file included from sample.cc:24:
  In file included from ./sample.h:25:
  ./cyktable.h:53:1: warning: 'CYKcell' defined as a struct
    here but previously declared as a class
    [-Wmismatched-tags]
  struct CYKcell{
  ^
  ./production.h:22:1: note: did you mean struct here?
  class CYKcell;
  ^~~~~
  struct
  sample.cc:40:35: error: no member named 'redQuantum' in
    'Magick::Color'
    data[y][x] = 255*((float)pc.redQuantum()/MaxRGB);
                             ~~ ^
  sample.cc:40:48: error: use of undeclared identifier
    'MaxRGB'
    data[y][x] = 255*((float)pc.redQuantum()/MaxRGB);
                                             ^
  sample.cc:209:15: error: C++ requires a type specifier for
    all declarations
  Color white(MaxRGB,MaxRGB,MaxRGB);
            ^
  sample.cc:209:22: error: C++ requires a type specifier for
    all declarations
  Color white(MaxRGB,MaxRGB,MaxRGB);
                   ^
  sample.cc:209:22: error: redefinition of parameter 'MaxRGB'
  sample.cc:209:15: note: previous declaration is here
  Color white(MaxRGB,MaxRGB,MaxRGB);
            ^
  sample.cc:209:29: error: unknown type name 'MaxRGB'
  Color white(MaxRGB,MaxRGB,MaxRGB);
                          ^
  sample.cc:209:14: warning: parentheses were disambiguated
    as a function declaration [-Wvexing-parse]
  Color white(MaxRGB,MaxRGB,MaxRGB);
           ^~~~~~~~~~~~~~~~~~~~~~
  sample.cc:209:15: note: add a pair of parentheses to
    declare a variable
  Color white(MaxRGB,MaxRGB,MaxRGB);
            ^
            (     )
  sample.cc:224:37: error: no member named 'redQuantum' in
    'Magick::Color'
    vec[i*15+j] = 255*((float)(pc.redQuantum())/MaxRGB);
                               ~~ ^
  sample.cc:224:51: error: use of undeclared identifier
    'MaxRGB'
    vec[i*15+j] = 255*((float)(pc.redQuantum())/MaxRGB);
                                                ^
  2 warnings and 8 errors generated.
  make: *** [sample.o] Error 1

[smbinky]

Hi, Your version of ImageMagick is too recent, install a lower one : .6-9.X worked for me. Stephane

[timqian]

@smbinky Thanks, installing lower imagemagick helps