diff -N -r -c HLib-1.3/acinclude.m4 HLib-1.3new/acinclude.m4
*** HLib-1.3/acinclude.m4	Fri Apr  8 10:17:58 2005
--- HLib-1.3new/acinclude.m4	Wed Jun 15 16:19:21 2005
***************
*** 924,930 ****
  
    AC_ARG_ENABLE(sse2, [  --disable-sse2          Disable SSE2(TM) support], [
      if test x$enableval = xyes ; then
!       sse2_wanted="yes"
      else
        sse2_wanted="no"
      fi
--- 924,930 ----
  
    AC_ARG_ENABLE(sse2, [  --disable-sse2          Disable SSE2(TM) support], [
      if test x$enableval = xyes ; then
!       sse2_wanted="force"
      else
        sse2_wanted="no"
      fi
***************
*** 941,949 ****
      sse2_ldflags="$withval"
    ], :)
  
!   if test x$sse2_wanted = xno ; then
!     have_sse2="no"
!   else
      saved_CFLAGS="$CFLAGS"
      saved_LDFLAGS="$LDFLAGS"
  
--- 941,947 ----
      sse2_ldflags="$withval"
    ], :)
  
!   if test x$sse2_wanted = xyes ; then
      saved_CFLAGS="$CFLAGS"
      saved_LDFLAGS="$LDFLAGS"
  
***************
*** 955,961 ****
  #include <stdlib.h>
  typedef float v2df __attribute__((mode(V2DF)));
  void panic(int id) { exit(1); }
! int main() { v2df y[1], x = { 1.0, 2.0 }; double x2[2] = { 1.0, 2.0 }; signal(SIGSEGV, panic); x = __builtin_ia32_loadupd(x2); x = x*x; x = __builtin_ia32_sqrtpd(x); y[0] = __builtin_ia32_loadupd(x2); return 0; }
    ], [
        AC_MSG_RESULT(yes)
        have_sse2="yes"
--- 953,959 ----
  #include <stdlib.h>
  typedef float v2df __attribute__((mode(V2DF)));
  void panic(int id) { exit(1); }
! int main() { volatile v2df x; v2df y[1]; volatile double x2[2]; signal(SIGSEGV, panic); signal(SIGILL, panic); x2[0] = 0.3 * rand(); x2[1] = 0.7 * rand(); x = __builtin_ia32_loadupd(x2); x = x*x; x = __builtin_ia32_sqrtpd(x); y[0] = __builtin_ia32_loadupd(x2); return 0; }
    ], [
        AC_MSG_RESULT(yes)
        have_sse2="yes"
***************
*** 972,977 ****
--- 970,987 ----
        CFLAGS="$saved_CFLAGS"
        LDFLAGS="$saved_LDFLAGS"
      ])
+   else
+     AC_MSG_CHECKING([for SSE2 support])
+     if test x$sse2_wanted = xforce ; then
+       AC_MSG_RESULT(forced)
+       have_sse2="yes"
+ 
+       CFLAGS="$sse2_cflags $CFLAGS"
+       LDFLAGS="$sse2_ldflags $LDFLAGS "
+     else
+       AC_MSG_RESULT(no)
+       have_sse2="no"
+     fi
    fi
  
    if test x$have_sse2 = xno ; then
diff -N -r -c HLib-1.3/configure HLib-1.3new/configure
*** HLib-1.3/configure	Fri Apr  8 10:17:58 2005
--- HLib-1.3new/configure	Wed Jun 15 16:20:17 2005
***************
*** 13226,13232 ****
    enableval="$enable_sse2"
  
      if test x$enableval = xyes ; then
!       sse2_wanted="yes"
      else
        sse2_wanted="no"
      fi
--- 13226,13232 ----
    enableval="$enable_sse2"
  
      if test x$enableval = xyes ; then
!       sse2_wanted="force"
      else
        sse2_wanted="no"
      fi
***************
*** 13253,13261 ****
    :
  fi;
  
!   if test x$sse2_wanted = xno ; then
!     have_sse2="no"
!   else
      saved_CFLAGS="$CFLAGS"
      saved_LDFLAGS="$LDFLAGS"
  
--- 13253,13259 ----
    :
  fi;
  
!   if test x$sse2_wanted = xyes ; then
      saved_CFLAGS="$CFLAGS"
      saved_LDFLAGS="$LDFLAGS"
  
***************
*** 13284,13290 ****
  #include <stdlib.h>
  typedef float v2df __attribute__((mode(V2DF)));
  void panic(int id) { exit(1); }
! int main() { v2df y[1], x = { 1.0, 2.0 }; double x2[2] = { 1.0, 2.0 }; signal(SIGSEGV, panic); x = __builtin_ia32_loadupd(x2); x = x*x; x = __builtin_ia32_sqrtpd(x); y[0] = __builtin_ia32_loadupd(x2); return 0; }
  
  _ACEOF
  rm -f conftest$ac_exeext
--- 13282,13288 ----
  #include <stdlib.h>
  typedef float v2df __attribute__((mode(V2DF)));
  void panic(int id) { exit(1); }
! int main() { volatile v2df x; v2df y[1]; volatile double x2[2]; signal(SIGSEGV, panic); signal(SIGILL, panic); x2[0] = 0.3 * rand(); x2[1] = 0.7 * rand(); x = __builtin_ia32_loadupd(x2); x = x*x; x = __builtin_ia32_sqrtpd(x); y[0] = __builtin_ia32_loadupd(x2); return 0; }
  
  _ACEOF
  rm -f conftest$ac_exeext
***************
*** 13320,13325 ****
--- 13318,13338 ----
  fi
  rm -f core *.core gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
  fi
+   else
+     echo "$as_me:$LINENO: checking for SSE2 support" >&5
+ echo $ECHO_N "checking for SSE2 support... $ECHO_C" >&6
+     if test x$sse2_wanted = xforce ; then
+       echo "$as_me:$LINENO: result: forced" >&5
+ echo "${ECHO_T}forced" >&6
+       have_sse2="yes"
+ 
+       CFLAGS="$sse2_cflags $CFLAGS"
+       LDFLAGS="$sse2_ldflags $LDFLAGS "
+     else
+       echo "$as_me:$LINENO: result: no" >&5
+ echo "${ECHO_T}no" >&6
+       have_sse2="no"
+     fi
    fi
  
    if test x$have_sse2 = xno ; then