diff -durN gcc-4.4.4.orig/gcc/builtins.c gcc-4.4.4/gcc/builtins.c --- gcc-4.4.4.orig/gcc/builtins.c 2010-03-22 16:00:20.000000000 +0100 +++ gcc-4.4.4/gcc/builtins.c 2010-05-16 19:10:34.000000000 +0200 @@ -5783,6 +5783,9 @@ 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-4.4.4.orig/gcc/common.opt gcc-4.4.4/gcc/common.opt --- gcc-4.4.4.orig/gcc/common.opt 2009-03-28 18:28:45.000000000 +0100 +++ gcc-4.4.4/gcc/common.opt 2010-05-16 19:10:34.000000000 +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