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-rw-r--r--sysdeps/unix/sysv/linux/configure2
1 files changed, 1 insertions, 1 deletions
diff --git a/sysdeps/unix/sysv/linux/configure b/sysdeps/unix/sysv/linux/configure
index 64f2ce0638..2e3ba901e1 100644
--- a/sysdeps/unix/sysv/linux/configure
+++ b/sysdeps/unix/sysv/linux/configure
@@ -13,7 +13,7 @@ if test -n "$sysheaders"; then
 fi
 echo $ac_n "checking installed Linux kernel header files""... $ac_c" 1>&6
 echo "configure:16: checking installed Linux kernel header files" >&5
-if eval "test \"\${libc_cv_linux2010+set}\" = set"; then
+if eval "test \"`echo '$''{'libc_cv_linux2010'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF