+dnl
+dnl Hacks to enable 32 or 64 bit build
+dnl
+AC_ARG_ENABLE(32-bit,
+ [AS_HELP_STRING([--enable-32-bit],
+ [build 32-bit libraries @<:@default=auto@:>@])],
+ enable_32bit="$enableval",
+ enable_32bit=auto
+)
+if test "x$enable_32bit" = xyes; then
+ if test "x$GCC" = xyes; then
+ CFLAGS="$CFLAGS -m32"
+ fi
+ if test "x$GXX" = xyes; then
+ CXXFLAGS="$CXXFLAGS -m32"
+ fi
+fi
+AC_ARG_ENABLE(64-bit,
+ [AS_HELP_STRING([--enable-64-bit],
+ [build 64-bit libraries @<:@default=auto@:>@])],
+ enable_64bit="$enableval",
+ enable_64bit=auto
+)
+if test "x$enable_64bit" = xyes; then
+ if test "x$GCC" = xyes; then
+ CFLAGS="$CFLAGS -m64"
+ fi
+ if test "x$GXX" = xyes; then
+ CXXFLAGS="$CXXFLAGS -m64"
+ fi
+fi
+