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-rwxr-xr-xlibstdc++-v3/configure2
1 files changed, 1 insertions, 1 deletions
diff --git a/libstdc++-v3/configure b/libstdc++-v3/configure
index 1d36c95ffc1..aa584fd1657 100755
--- a/libstdc++-v3/configure
+++ b/libstdc++-v3/configure
@@ -30156,7 +30156,7 @@ rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
ac_cv_func_mmap_fixed_mapped=no
fi
fi
-if test "x${ac_cv_func_mmap_fixed_mapped+set}" != xset; then
+if test "x${ac_cv_func_mmap_fixed_mapped}" != xno; then
for ac_header in stdlib.h unistd.h