Hello, You can find attached a patch to apply on the include/GL/gl.h file.
This patch aims to fix a build issue with GCC when using the -DGL_GLEXT_LEGACY, -Werror and -Wundef flags. I have remarked the problem with Qt 5.1.1 (which I am packaging for NixOS) but it will occur on any build which combines these three flags. To clarify things: -Wundef tells the compiler to warn on any use of an undefined definition (#define THE_DEFINITION). -Werror tells the compiler to transform any warning as an error. With these options, you cannot do: #if THE_DEFINITION when THE_DEFINITION has not been previously defined. You must do: #if defined(THE_DEFINITION) && THE_DEFINITION Feel free to ask me anything about this ;-) Regards, Baptist
werror-wundef.patch
Description: Binary data
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