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-rw-r--r--libmudflap/configure.ac1
1 files changed, 1 insertions, 0 deletions
diff --git a/libmudflap/configure.ac b/libmudflap/configure.ac
index ff356f2603c..a22be278d32 100644
--- a/libmudflap/configure.ac
+++ b/libmudflap/configure.ac
@@ -75,6 +75,7 @@ AC_CHECK_FUNCS(getservent getservbyname getservbyport getaddrinfo gai_strerror)
AC_CHECK_FUNCS(getprotoent getprotobyname getprotobynumber)
AC_CHECK_FUNCS(getmntent setmntent addmntent)
AC_CHECK_FUNCS(inet_ntoa mmap munmap)
+AC_CHECK_FUNCS(__libc_freeres)
AC_TRY_COMPILE([#include <sys/types.h>
#include <sys/ipc.h>