1 files changed, 38 insertions, 0 deletions
diff --git a/src/makealias b/src/makealias
new file mode 100755
index 0000000..fca94d4
--- /dev/null
+++ b/src/makealias
@@ -0,0 +1,38 @@
+#!/bin/sh
+SRCDIR=$1
+shift
+HEAD=$1
+shift
+TAIL=$1
+shift
+rm -f $HEAD $TAIL
+echo "#if HAVE_GNUC_ATTRIBUTE" >> $TAIL
+cat "$@" | grep '^Fc[^ ]* *(' | sed -e 's/ *(.*$//' |
+while read name; do
+	case $name in
+	FcCacheDir|FcCacheSubdir)
+		;;
+	*)
+		alias="IA__$name"
+		hattr='__attribute((visibility("hidden")))'
+		echo "extern __typeof ($name) $alias $hattr;" >> $HEAD
+		echo "#define $name $alias" >> $HEAD
+		ifdef=$(grep -l '^'$name'[ (]' "$SRCDIR"/*.c | sed -n 1p | sed -e 's/^.*\/\([^.]*\)\.c/__\1__/')
+		if [ -z "$ifdef" ] ; then
+			echo "error: could not locate $name in src/*.c" 1>&2
+			exit 1
+		fi
+		if [ "$ifdef" != "$last" ] ; then
+			[ -n "$last" ] && echo "#endif /* $last */" >> $TAIL
+			echo "#ifdef $ifdef" >> $TAIL
+			last=$ifdef
+		fi
+		echo "# undef $name" >> $TAIL
+		cattr='__attribute((alias("'$alias'"), visibility("default")))'
+		echo "extern __typeof ($name) $name $cattr;" >> $TAIL
+		;;
+	esac
+done
+[ $? -ne 0 ] && exit 1
+echo "#endif /* $ifdef */" >> $TAIL
+echo "#endif /* HAVE_GNUC_ATTRIBUTE */" >> $TAIL