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# gc-sm3.m4 serial 2
dnl Copyright (C) 2017-2019 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.
AC_DEFUN([gl_GC_SM3],
[
AC_REQUIRE([gl_GC])
AC_CACHE_CHECK([whether libgcrypt supports SM3],
[gl_cv_libcrypt_md_sm3],
[AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM([[
#include <gcrypt.h>
int a = GCRY_MD_SM3;
]], [[]])
],
[gl_cv_libcrypt_md_sm3=yes],
[gl_cv_libcrypt_md_sm3=no])
])
if test $gl_cv_libcrypt_md_sm3 = yes; then
AC_DEFINE([LIBGCRYPT_HAS_MD_SM3], [1],
[Define if libgcrypt supports the MD algorithm SM3.])
fi
])
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