SoftHSMv2/m4/acx_botan_aes_gcm.m4

   1 AC_DEFUN([ACX_BOTAN_AES_GCM],[
   2         AC_MSG_CHECKING(for Botan AES GCM support)
   3
   4         tmp_CPPFLAGS=$CPPFLAGS
   5         tmp_LIBS=$LIBS
   6
   7         CPPFLAGS="$CPPFLAGS $CRYPTO_INCLUDES"
   8         LIBS="$CRYPTO_LIBS $LIBS"
   9
  10         AC_LANG_PUSH([C++])
  11         AC_CACHE_VAL([acx_cv_lib_botan_aes_gcm_support],[
  12                 acx_cv_lib_botan_aes_gcm_support=no
  13                 AC_COMPILE_IFELSE([
  14                         AC_LANG_SOURCE([[
  15                                 #include <botan/botan.h>
  16                                 #include <botan/version.h>
  17                                 int main()
  18                                 {
  19                                         using namespace Botan;
  20
  21 #if BOTAN_VERSION_CODE >= BOTAN_VERSION_CODE_FOR(2,0,0)
  22                                         return 0;
  23 #else
  24 #error "Botan too old"
  25 #endif
  26                                 }
  27                         ]])
  28                 ],[
  29                         AC_MSG_RESULT([Found AES GCM])
  30                         acx_cv_lib_botan_aes_gcm_support=yes
  31                 ],[
  32                         AC_MSG_RESULT([Cannot find AES GCM support, upgrade to Botan >= v2.0.0])
  33                 ])
  34         ])
  35         AC_LANG_POP([C++])
  36         if test "x$acx_cv_lib_botan_aes_gcm_support" = xyes; then
  37                 AC_DEFINE([WITH_AES_GCM], [1],
  38                           [Compile with AES GCM])
  39         fi
  40
  41         CPPFLAGS=$tmp_CPPFLAGS
  42         LIBS=$tmp_LIBS
  43 ])