https://bugs.gentoo.org/287130

--- elfutils-0.143/configure
+++ elfutils-0.143/configure
@@ -5460,7 +5460,7 @@
 
 # 1.234<whatever> -> 1234<whatever>
 case "$PACKAGE_VERSION" in
-[0-9].*) eu_version="${PACKAGE_VERSION/./}" ;;
+[0-9].*) eu_version=`echo "$PACKAGE_VERSION" | sed 's@\.@@'` ;;
 *)     	   { { $as_echo "$as_me:$LINENO: error: confused by version number '$PACKAGE_VERSION'" >&5
 $as_echo "$as_me: error: confused by version number '$PACKAGE_VERSION'" >&2;}
    { (exit 1); exit 1; }; } ;;
@@ -5495,7 +5495,7 @@
 esac
 
 # Round up to the next release API (x.y) version.
-eu_version=$[($eu_version + 999) / 1000]
+eu_version=`expr \( $eu_version + 999 \) / 1000`
 
 cat >confcache <<\_ACEOF
 # This file is a shell script that caches the results of configure