--- linuxsampler/trunk/configure.in	2005/05/03 00:37:35	504
+++ linuxsampler/trunk/configure.in	2005/05/04 12:02:35	510
@@ -10,7 +10,7 @@
 
 
 
-echo -n "checking whether x86 architecture... "
+AC_MSG_CHECKING([whether x86 architecture])
 def_arch_x86=0
 case $target_cpu in
   "i386" | "i486" | "i586" | "i686" | "i786")
@@ -22,6 +22,16 @@
 AC_DEFINE_UNQUOTED(ARCH_X86,$def_arch_x86,[Define to 1 if you build for x86 architecture.])
 
 
+# determine the right gcc switch for CPU specific optimizations
+CXX_CPU_SWITCH=
+if test "$def_arch_x86" = 1; then
+  CXX_CPU_SWITCH="-march=$target_cpu"
+elif test "$target_cpu" = "powerpc"; then
+  CXX_CPU_SWITCH="-arch=$target_cpu"
+fi
+AC_SUBST([CXX_CPU_SWITCH])
+
+
 AC_MSG_CHECKING([whether UNIX98 compatible])
 AC_LANG_SAVE
 AC_LANG_C