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# gc-sm3.m4
# serial 3
dnl Copyright (C) 2017-2025 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.
dnl This file is offered as-is, without any warranty.

AC_DEFUN([gl_GC_SM3],
[
  AC_REQUIRE([gl_GC])
  AC_CACHE_CHECK([whether libgcrypt supports SM3],
    [gl_cv_libgcrypt_md_sm3],
    [AC_COMPILE_IFELSE(
       [AC_LANG_PROGRAM([[
          #include <gcrypt.h>
          int a = GCRY_MD_SM3;
          ]], [[]])
       ],
       [gl_cv_libgcrypt_md_sm3=yes],
       [gl_cv_libgcrypt_md_sm3=no])
    ])
  if test $gl_cv_libgcrypt_md_sm3 = yes; then
    AC_DEFINE([LIBGCRYPT_HAS_MD_SM3], [1],
      [Define if libgcrypt supports the MD algorithm SM3.])
  fi
])
kc3-lang/gnulib/m4/gc-sm3.m4

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m4/gc-sm3.m4
