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-rw-r--r--configure.ac10
1 files changed, 10 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac
index 17d6641888bf..64f77a673682 100644
--- a/configure.ac
+++ b/configure.ac
@@ -340,6 +340,16 @@ if test "x$with_bz2lib" != "xno"; then
esac
fi
+AC_ARG_WITH([libb2],
+ AS_HELP_STRING([--without-libb2], [Don't build support for BLAKE2 through libb2]))
+
+if test "x$with_libb2" != "xno"; then
+ AC_CHECK_HEADERS([blake2.h])
+ AC_CHECK_LIB(b2,blake2sp_init)
+fi
+
+AM_CONDITIONAL([INC_BLAKE2], [test "x$ac_cv_lib_b2_blake2sp_init" != "xyes"])
+
AC_ARG_WITH([iconv],
AS_HELP_STRING([--without-iconv], [Don't try to link against iconv]))