src/makealias

   1 #!/bin/sh
   2 SRCDIR=$1
   3 shift
   4 HEAD=$1
   5 shift
   6 TAIL=$1
   7 shift
   8 rm -f $HEAD $TAIL
   9 echo "#if HAVE_GNUC_ATTRIBUTE" >> $TAIL
  10 cat "$@" | grep '^Fc[^ ]* *(' | sed -e 's/ *(.*$//' |
  11 while read name; do
  12         case $name in
  13         FcCacheDir|FcCacheSubdir)
  14                 ;;
  15         *)
  16                 alias="IA__$name"
  17                 hattr='__attribute((visibility("hidden")))'
  18                 echo "extern __typeof ($name) $alias $hattr;" >> $HEAD
  19                 echo "#define $name $alias" >> $HEAD
  20                 grep -l '^'$name'[ (]' "$SRCDIR"/*.c | sed -n 1p | sed -e 's/^.*\/\([^.]*\)\.c/#ifdef __\1__/' >> $TAIL
  21                 echo "#undef $name" >> $TAIL
  22                 cattr='__attribute((alias("'$alias'"), visibility("default")))'
  23                 echo "extern __typeof ($name) $name $cattr;" >> $TAIL
  24                 echo "#endif" >> $TAIL
  25                 ;;
  26         esac
  27 done
  28 echo "#endif" >> $TAIL