diff options
Diffstat (limited to 'm4/gc-sm3.m4')
| -rw-r--r-- | m4/gc-sm3.m4 | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/m4/gc-sm3.m4 b/m4/gc-sm3.m4 index 7eac44818d..992217d9fe 100644 --- a/m4/gc-sm3.m4 +++ b/m4/gc-sm3.m4 @@ -1,4 +1,4 @@ -# gc-sm3.m4 serial 1 +# 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, @@ -7,4 +7,19 @@ 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 ]) |