diff -durN gcc-4.4.0.orig/gcc/builtins.c gcc-4.4.0/gcc/builtins.c --- gcc-4.4.0.orig/gcc/builtins.c 2009-03-30 19:42:27.000000000 +0200 +++ gcc-4.4.0/gcc/builtins.c 2009-05-27 21:38:01.000000000 +0200 @@ -5768,6 +5768,9 @@ trampolines_created = 1; INITIALIZE_TRAMPOLINE (r_tramp, r_func, r_chain); + if (warn_trampolines) + warning (OPT_Wtrampolines, "generating trampoline in object (requires executable stack)"); + return const0_rtx; } diff -durN gcc-4.4.0.orig/gcc/common.opt gcc-4.4.0/gcc/common.opt --- gcc-4.4.0.orig/gcc/common.opt 2009-03-28 18:28:45.000000000 +0100 +++ gcc-4.4.0/gcc/common.opt 2009-05-27 21:38:01.000000000 +0200 @@ -197,6 +197,10 @@ Common Var(warn_type_limits) Init(-1) Warning Warn if a comparison is always true or always false due to the limited range of the data type +Wtrampolines +Common Var(warn_trampolines) Init(1) +Warn whenever a trampoline is generated + Wuninitialized Common Var(warn_uninitialized) Warning Warn about uninitialized automatic variables