Top Level Namespace

Defined Under Namespace

Modules: Audio, NativeAudio

Instance Method Summary collapse

Instance Method Details

#add_flags(type, flags) ⇒ Object

Add compiler and linker flags



32
33
34
35
36
37
38
39
 
# File 'ext/extconf.rb', line 32

def add_flags(type, flags)
  case type
  when :c
    $CFLAGS << " #{flags} "
  when :ld
    $LDFLAGS << " #{flags} "
  end
end

#check_sdl ⇒ Object

Check for SDL libraries



42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
 
# File 'ext/extconf.rb', line 42

def check_sdl
  unless have_library('SDL2') && have_library('SDL2_mixer')

    $errors << "Couldn't find packages needed."

    case $platform
    when :linux, :linux_rpi
      # Fedora and CentOS
      if system('which yum')
        $errors << "Install the following packages using `yum` (or `dnf`) and try again:\n" <<
          "  SDL2-devel SDL2_mixer-devel".bold

        # Arch
      elsif system('which pacman')
        $errors << "Install the following packages using `pacman` and try again:\n" <<
          "  sdl2 sdl2_mixer".bold

        # openSUSE
      elsif system('which zypper')
        $errors << "Install the following packages using `zypper` and try again:\n" <<
          "  libSDL2-devel libSDL2_mixer-devel".bold

        # Ubuntu, Debian, and Mint
        # `apt` must be last because openSUSE has it aliased to `zypper`
      elsif system('which apt')
        $errors << "Install the following packages using `apt` and try again:\n" <<
          "  libsdl2-dev libsdl2-mixer-dev".bold
      end
    when :bsd
      $errors << "Install the following packages using `pkg` and try again:\n" <<
        "  sdl2 sdl2_mixer".bold
    end

    $errors << "" << "See #{"ruby2d.com".bold} for additional help."
    print_errors; exit
  end
end

#print_errors ⇒ Object

Print installation errors



24
25
26
27
28
29
 
# File 'ext/extconf.rb', line 24

def print_errors
  puts "
#{"== #{"Ruby 2D Installation Errors".error} =======================================\n"}
  #{$errors.join("\n  ")}\n
#{"======================================================================"}"
end

#set_linux_bsd_flags ⇒ Object

Set flags for Linux and BSD



89
90
91
92
93
94
 
# File 'ext/extconf.rb', line 89

def set_linux_bsd_flags
  check_sdl
  set_rpi_flags
  add_flags(:ld, "-lSDL2 -lSDL2_mixer -lm")
  if $PLATFORM == :linux then add_flags(:ld, '-lGL') end
end

#set_rpi_flags ⇒ Object

Set Raspberry Pi flags



81
82
83
84
85
86
 
# File 'ext/extconf.rb', line 81

def set_rpi_flags
  if $platform == :linux_rpi
    add_flags(:c, '-I/opt/vc/include')
    add_flags(:ld, '-L/opt/vc/lib -lbrcmGLESv2')
  end
end

#use_usr_libs ⇒ Object

Use SDL and other libraries installed by the user (not those bundled with the gem)



98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
 
# File 'ext/extconf.rb', line 98

def use_usr_libs
  case $PLATFORM
  when :macos
    add_flags(:c, `sdl2-config --cflags`)
    add_flags(:c, '-I/opt/homebrew/include')
    add_flags(:ld, `sdl2-config --libs`)
    add_flags(:ld, '-lSDL2 -lSDL2_image -lSDL2_mixer -lSDL2_ttf')
    add_flags(:ld, '-Wl,-framework,OpenGL')
  when :windows
    add_flags(:ld, '-lSDL2 -lSDL2_mixer')
    add_flags(:ld, '-lopengl32 -lglew32')
  when :linux_rpi
    set_linux_bsd_flags
  end
end