03b6cfa0c2
* gnu/packages/patches/freeglut-gcc-compat.patch: New file. * gnu/local.mk (dist_patch_DATA): Adjust accordingly. * gnu/packages/gl.scm (freeglut)[source](patches): New field.
54 lines
2.2 KiB
Diff
54 lines
2.2 KiB
Diff
Fix build failure with GCC 10.
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Taken from upstream:
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https://github.com/dcnieho/FreeGLUT/commit/b9998bbc1e1c329f6bf69c24606a2be7a4973b8c
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diff --git a/src/fg_gl2.c b/src/fg_gl2.c
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--- a/src/fg_gl2.c
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+++ b/src/fg_gl2.c
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@@ -27,6 +27,20 @@
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#include "fg_internal.h"
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#include "fg_gl2.h"
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+#ifndef GL_ES_VERSION_2_0
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+/* GLES2 has the corresponding entry points built-in, and these fgh-prefixed
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+ * names are defined in fg_gl2.h header to reference them, for any other case,
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+ * define them as function pointers here.
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+ */
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+FGH_PFNGLGENBUFFERSPROC fghGenBuffers;
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+FGH_PFNGLDELETEBUFFERSPROC fghDeleteBuffers;
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+FGH_PFNGLBINDBUFFERPROC fghBindBuffer;
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+FGH_PFNGLBUFFERDATAPROC fghBufferData;
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+FGH_PFNGLENABLEVERTEXATTRIBARRAYPROC fghEnableVertexAttribArray;
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+FGH_PFNGLDISABLEVERTEXATTRIBARRAYPROC fghDisableVertexAttribArray;
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+FGH_PFNGLVERTEXATTRIBPOINTERPROC fghVertexAttribPointer;
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+#endif
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+
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void FGAPIENTRY glutSetVertexAttribCoord3(GLint attrib) {
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if (fgStructure.CurrentWindow != NULL)
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fgStructure.CurrentWindow->Window.attribute_v_coord = attrib;
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diff --git a/src/fg_gl2.h b/src/fg_gl2.h
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--- a/src/fg_gl2.h
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+++ b/src/fg_gl2.h
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@@ -67,13 +67,13 @@ typedef void (APIENTRY *FGH_PFNGLENABLEVERTEXATTRIBARRAYPROC) (GLuint index);
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typedef void (APIENTRY *FGH_PFNGLDISABLEVERTEXATTRIBARRAYPROC) (GLuint);
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typedef void (APIENTRY *FGH_PFNGLVERTEXATTRIBPOINTERPROC) (GLuint index, GLint size, GLenum type, GLboolean normalized, GLsizei stride, const GLvoid *pointer);
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-FGH_PFNGLGENBUFFERSPROC fghGenBuffers;
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-FGH_PFNGLDELETEBUFFERSPROC fghDeleteBuffers;
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-FGH_PFNGLBINDBUFFERPROC fghBindBuffer;
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-FGH_PFNGLBUFFERDATAPROC fghBufferData;
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-FGH_PFNGLENABLEVERTEXATTRIBARRAYPROC fghEnableVertexAttribArray;
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-FGH_PFNGLDISABLEVERTEXATTRIBARRAYPROC fghDisableVertexAttribArray;
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-FGH_PFNGLVERTEXATTRIBPOINTERPROC fghVertexAttribPointer;
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+extern FGH_PFNGLGENBUFFERSPROC fghGenBuffers;
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+extern FGH_PFNGLDELETEBUFFERSPROC fghDeleteBuffers;
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+extern FGH_PFNGLBINDBUFFERPROC fghBindBuffer;
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+extern FGH_PFNGLBUFFERDATAPROC fghBufferData;
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+extern FGH_PFNGLENABLEVERTEXATTRIBARRAYPROC fghEnableVertexAttribArray;
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+extern FGH_PFNGLDISABLEVERTEXATTRIBARRAYPROC fghDisableVertexAttribArray;
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+extern FGH_PFNGLVERTEXATTRIBPOINTERPROC fghVertexAttribPointer;
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# endif
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