+
+AC_ARG_ENABLE([profile],
+ [AS_HELP_STRING([--enable-profile],
+ [enable profiling of code @<:@default=disabled@:>@])],
+ [enable_profile="$enableval"],
+ [enable_profile=no]
+)
+
+if test "x$enable_profile" = xyes; then
+ DEFINES="$DEFINES -DPROFILE"
+ if test "x$GCC" = xyes; then
+ CFLAGS="$CFLAGS -fno-omit-frame-pointer"
+ fi
+ if test "x$GXX" = xyes; then
+ CXXFLAGS="$CXXFLAGS -fno-omit-frame-pointer"
+ fi
+fi
+