diff options
Diffstat (limited to 'SoftHSMv2/m4/acx_64bit.m4')
| -rw-r--r-- | SoftHSMv2/m4/acx_64bit.m4 | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/SoftHSMv2/m4/acx_64bit.m4 b/SoftHSMv2/m4/acx_64bit.m4 new file mode 100644 index 0000000..f610b21 --- /dev/null +++ b/SoftHSMv2/m4/acx_64bit.m4 @@ -0,0 +1,29 @@ +AC_DEFUN([ACX_64BIT],[ + AC_ARG_ENABLE( + [64bit], + [AS_HELP_STRING([--enable-64bit],[enable 64-bit compiling @<:@disabled@:>@])], + [enable_64bit="${enableval}"], + [enable_64bit="no"]) + + if test "x$enable_64bit" = "xyes" + then + AC_MSG_CHECKING(if we can compile in 64-bit mode) + tmp_CFLAGS=$CFLAGS + CFLAGS="-m64" + AC_RUN_IFELSE( + [ + AC_LANG_PROGRAM([],[return sizeof(void*) == 8 ? 0 : 1;]) + ], [ + AC_MSG_RESULT(yes) + CXXFLAGS="-m64 $CXXFLAGS" + LDFLAGS="-m64 $LDFLAGS" + CFLAGS="-m64 $tmp_CFLAGS" + ],[ + AC_MSG_RESULT(no) + AC_MSG_ERROR([Don't know how to compile in 64-bit mode.]) + CFLAGS=$tmp_CFLAGS + ] + ) + fi + +]) |