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-rw-r--r--libstdc++-v3/configure.ac1
1 files changed, 1 insertions, 0 deletions
diff --git a/libstdc++-v3/configure.ac b/libstdc++-v3/configure.ac
index 9e19e9927fd..5657ecb27dc 100644
--- a/libstdc++-v3/configure.ac
+++ b/libstdc++-v3/configure.ac
@@ -256,6 +256,7 @@ if $GLIBCXX_IS_NATIVE; then
GCC_CHECK_TLS
AC_CHECK_FUNCS(__cxa_thread_atexit_impl)
+ AC_CHECK_FUNCS(aligned_alloc posix_memalign memalign _aligned_malloc)
# For iconv support.
AM_ICONV