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-rw-r--r--sysdeps/x86_64/elf/configure2
1 files changed, 1 insertions, 1 deletions
diff --git a/sysdeps/x86_64/elf/configure b/sysdeps/x86_64/elf/configure
index cb8db2d54d..c3c8f561fe 100644
--- a/sysdeps/x86_64/elf/configure
+++ b/sysdeps/x86_64/elf/configure
@@ -87,7 +87,7 @@ if test "$usetls" != no; then
 # Check for support of thread-local storage handling in assembler and linker.
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for x86-64 TLS support" >&5
 $as_echo_n "checking for x86-64 TLS support... " >&6; }
-if test "${libc_cv_x86_64_tls+set}" = set; then :
+if ${libc_cv_x86_64_tls+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   cat > conftest.s <<\EOF