src/glx/apple/gen_gl_h.sh

   1 #!/bin/bash
   2
   3 INFILE=$1
   4 OUTFILE=$2
   5
   6 generate_macros() {
   7     grep gl.*ProcPtr /System/Library/Frameworks/OpenGL.framework/Headers/gl{,ext}.h | sed 's:^.*\(gl.*Ptr\).*$:\1:' | sort -u | perl -ne 'chomp($_); $s = "PFN".uc($_); $s =~ s/PROCPTR/PROC/; print "#define ".$_." ".$s."\n"'
   8 }
   9
  10 generate_function_pointers() {
  11     {
  12       echo "#define GL_GLEXT_FUNCTION_POINTERS 1"
  13       echo "#define GL_GLEXT_LEGACY 1"
  14       generate_macros
  15       echo '#include "/System/Library/Frameworks/OpenGL.framework/Headers/gl.h"'
  16     } | ${CC:-gcc} -E - | grep typedef.*PFN
  17 }
  18
  19 cat ${INFILE} | while IFS= read LINE ; do
  20   case $LINE in
  21     "@CGL_MESA_COMPAT_MACROS@")
  22       generate_macros
  23     ;;
  24     "@CGL_MESA_FUNCTION_POINTERS@")
  25       if ! grep -q GL_GLEXT_PROTOTYPES /System/Library/Frameworks/OpenGL.framework/Headers/gl.h ; then
  26         generate_function_pointers
  27       fi
  28     ;;
  29     *)
  30       printf "${LINE}\n"
  31     ;;
  32   esac
  33 done > ${OUTFILE}