freeglut: update to 3.2.1, add buildroot patch to compile with gcc 10.x

1 files changed, 23 insertions, 0 deletions

diff --git a/package/freeglut/patches/patch-src_fg_gl2_c b/package/freeglut/patches/patch-src_fg_gl2_c
new file mode 100644
index 000000000..dbd947a91
--- /dev/null
+++ b/package/freeglut/patches/patch-src_fg_gl2_c
@@ -0,0 +1,23 @@
+--- freeglut-3.2.1.orig/src/fg_gl2.c	2014-06-01 11:24:47.000000000 +0200
++++ freeglut-3.2.1/src/fg_gl2.c	2021-11-02 10:29:44.673793670 +0100
+@@ -27,6 +27,20 @@
+ #include "fg_internal.h"
+ #include "fg_gl2.h"
+ 
++#ifndef GL_ES_VERSION_2_0
++/* GLES2 has the corresponding entry points built-in, and these fgh-prefixed
++ * names are defined in fg_gl2.h header to reference them, for any other case,
++ * define them as function pointers here.
++ */
++FGH_PFNGLGENBUFFERSPROC fghGenBuffers;
++FGH_PFNGLDELETEBUFFERSPROC fghDeleteBuffers;
++FGH_PFNGLBINDBUFFERPROC fghBindBuffer;
++FGH_PFNGLBUFFERDATAPROC fghBufferData;
++FGH_PFNGLENABLEVERTEXATTRIBARRAYPROC fghEnableVertexAttribArray;
++FGH_PFNGLDISABLEVERTEXATTRIBARRAYPROC fghDisableVertexAttribArray;
++FGH_PFNGLVERTEXATTRIBPOINTERPROC fghVertexAttribPointer;
++#endif
++
+ void FGAPIENTRY glutSetVertexAttribCoord3(GLint attrib) {
+   if (fgStructure.CurrentWindow != NULL)
+     fgStructure.CurrentWindow->Window.attribute_v_coord = attrib;