SoftHSMv2/m4/acx_botan_eddsa.m4

   1 AC_DEFUN([ACX_BOTAN_EDDSA],[
   2         AC_MSG_CHECKING(for Botan EDDSA support)
   3
   4         tmp_CPPFLAGS=$CPPFLAGS
   5         tmp_LIBS=$LIBS
   6
   7         CPPFLAGS="$CPPFLAGS $CRYPTO_INCLUDES"
   8         LIBS="$CRYPTO_LIBS $LIBS"
   9
  10         AC_LANG_PUSH([C++])
  11         AC_CACHE_VAL([acx_cv_lib_botan_eddsa_support],[
  12                 acx_cv_lib_botan_eddsa_support=no
  13                 AC_RUN_IFELSE([
  14                         AC_LANG_SOURCE([[
  15                                 #include <botan/init.h>
  16                                 #include <botan/ed25519.h>
  17                                 #include <botan/version.h>
  18                                 int main()
  19                                 {
  20                                         Botan::secure_vector<uint8_t> k(32);
  21                                         try {
  22                                                 Botan::Ed25519_PrivateKey* key =
  23                                                 new Botan::Ed25519_PrivateKey(k);
  24                                         } catch(...) {
  25                                                 return 1;
  26                                         }
  27                                         return 0;
  28                                 }
  29                         ]])
  30                 ],[
  31                         AC_MSG_RESULT([Found Ed25519])
  32                         acx_cv_lib_botan_eddsa_support=yes
  33                 ],[
  34                         AC_MSG_RESULT([Cannot find Ed25519])
  35                         AC_MSG_ERROR([
  36 Botan library has no valid EDDSA support. Please upgrade to a later version
  37 of Botan with EDDSA support.
  38 Alternatively disable EDDSA support in SoftHSM with --disable-eddsa
  39 ])
  40                 ],[
  41                         AC_MSG_WARN([Cannot test, assuming EDDSA])
  42                         acx_cv_lib_botan_eddsa_support=yes
  43                 ])
  44         ])
  45         AC_LANG_POP([C++])
  46
  47         CPPFLAGS=$tmp_CPPFLAGS
  48         LIBS=$tmp_LIBS
  49 ])