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premake4 build: allow to dynamically load X11 if X11 system headers/library is missing

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premake4 build: allow to dynamically load OpenGL/GLEW/glx if system headers are missing
This commit is contained in:
Erwin Coumans
2014-08-18 21:43:08 -07:00
parent 670576ec72
commit bf1bd07636
40 changed files with 15811 additions and 124 deletions
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39
build3/findOpenGLGlewGlut.lua
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@@ -1,9 +1,7 @@
function findOpenGL()
configuration{}
if os.is("Linux") then
if os.isdir("/usr/include") and os.isfile("/usr/include/GL/gl.h") then return true
end
return false
return true
end
--assume OpenGL is available on Mac OSX, Windows etc
return true
@@ -16,7 +14,13 @@
configuration {"MacOSX"}
links { "OpenGL.framework"}
configuration {"not Windows", "not MacOSX"}
links {"GL","GLU"}
if os.isdir("/usr/include") and os.isfile("/usr/include/GL/gl.h") then
links {"GL","GLU"}
else
print("No GL/gl.h found, using dynamic loading of GL using glew")
defines {"GLEW_INIT_OPENGL11_FUNCTIONS=1"}
links {"dl"}
end
configuration{}
end
@@ -53,20 +57,33 @@
end
if os.is("Linux") then
configuration{"Linux"}
if os.isdir("/usr/include") and os.isfile("/usr/include/GL/glew.h") then
links {"GLEW"}
else
defines { "GLEW_STATIC"}
--,"GLEW_NO_GLU"}
--if os.isdir("/usr/include") and os.isfile("/usr/include/GL/glew.h") then
-- links {"GLEW"}
-- else
--print("Using static glew and dynamic loading of glx functions")
defines { "GLEW_STATIC","GLEW_DYNAMIC_LOAD_ALL_GLX_FUNCTIONS=1"}
includedirs {
projectRootDir .. "btgui/OpenGLWindow/GlewWindows"
}
files { projectRootDir .. "btgui/OpenGLWindow/GlewWindows/glew.c"}
end
-- end
end
configuration{}
end
function initX11()
if os.is("Linux") then
if os.isdir("/usr/include") and os.isfile("/usr/include/X11/X.h") then
links{"X11","pthread"}
else
print("No X11/X.h found, using dynamic loading of X11")
includedirs {
projectRootDir .. "btgui/OpenGLWindow/optionalX11"
}
defines {"DYNAMIC_LOAD_X11_FUNCTIONS"}
links {"dl","pthread"}
end
end
end