configure: require libtoolize, create wrapper to it
libtoolize must be checked_for and there needs to be a wrapper
that points to GNU libtoolize since that may be installed
as glibtoolize.
This fixes a problem with building Cloog/PPL that was
Reported-by: "Pierrick Brossin" <pierrick@bs-network.net>
Signed-off-by: "Titus von Boxberg" <titus@v9g.de>
(transplanted from c7c9e98d36d8a6a49fcd5f3836d5797bb965eba7)
1 diff -durN gcc-4.4.0.orig/gcc/builtins.c gcc-4.4.0/gcc/builtins.c
2 --- gcc-4.4.0.orig/gcc/builtins.c 2009-03-30 19:42:27.000000000 +0200
3 +++ gcc-4.4.0/gcc/builtins.c 2009-05-27 21:38:01.000000000 +0200
5 trampolines_created = 1;
6 INITIALIZE_TRAMPOLINE (r_tramp, r_func, r_chain);
8 + if (warn_trampolines)
9 + warning (OPT_Wtrampolines, "generating trampoline in object (requires executable stack)");
14 diff -durN gcc-4.4.0.orig/gcc/common.opt gcc-4.4.0/gcc/common.opt
15 --- gcc-4.4.0.orig/gcc/common.opt 2009-03-28 18:28:45.000000000 +0100
16 +++ gcc-4.4.0/gcc/common.opt 2009-05-27 21:38:01.000000000 +0200
18 Common Var(warn_type_limits) Init(-1) Warning
19 Warn if a comparison is always true or always false due to the limited range of the data type
22 +Common Var(warn_trampolines) Init(1)
23 +Warn whenever a trampoline is generated
26 Common Var(warn_uninitialized) Warning
27 Warn about uninitialized automatic variables