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-rw-r--r--configure.ac1
1 files changed, 1 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac
index 6cefc090..296553e3 100644
--- a/configure.ac
+++ b/configure.ac
@@ -543,6 +543,7 @@ AC_CHECK_HEADERS_ONCE([locale.h sys/select.h sys/uio.h argp.h stdint.h
# Type checks.
AC_C_INLINE
+AC_C_FLEXIBLE_ARRAY_MEMBER
AC_CHECK_SIZEOF(unsigned int)
AC_SYS_LARGEFILE
AC_TYPE_OFF_T