diff options
Diffstat (limited to 'SoftHSMv2/m4/acx_botan_gnump.m4')
| -rw-r--r-- | SoftHSMv2/m4/acx_botan_gnump.m4 | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/SoftHSMv2/m4/acx_botan_gnump.m4 b/SoftHSMv2/m4/acx_botan_gnump.m4 new file mode 100644 index 0000000..d15859a --- /dev/null +++ b/SoftHSMv2/m4/acx_botan_gnump.m4 @@ -0,0 +1,27 @@ +AC_DEFUN([ACX_BOTAN_GNUMP],[ + tmp_CPPFLAGS=$CPPFLAGS + tmp_LIBS=$LIBS + + CPPFLAGS="$CPPFLAGS $BOTAN_INCLUDES" + LIBS="$LIBS $BOTAN_LIBS" + + AC_LANG_PUSH([C++]) + AC_LINK_IFELSE( + [AC_LANG_PROGRAM( + [#include <botan/build.h>], + [#ifndef BOTAN_HAS_ENGINE_GNU_MP + #error "No GNU MP support"; + #endif])], + [AC_MSG_RESULT([checking for Botan GNU MP support... yes])], + [AC_MSG_RESULT([checking for Botan GNU MP support... no]) + AC_MSG_WARN([ +==================================================== +Botan has not been built with GNU MP (--with-gnump). +This will give negative impact on the performance. +====================================================])] + ) + AC_LANG_POP([C++]) + + CPPFLAGS=$tmp_CPPFLAGS + LIBS=$tmp_LIBS +]) |