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Fix building glibc master with NDEBUG and --with-cpu. 

When building on i686, x86_64, and arm, and with NDEBUG, or --with-cpu
there are various variables and functions which are unused based on
these settings.

This patch marks all such variables with __attribute__((unused)) to
avoid the compiler warnings when building with the aformentioned
options.
This commit is contained in:
Carlos O'Donell 2016-03-15 23:16:47 -04:00
parent 089b772f98
commit b4f518ecfa
7 changed files with 15 additions and 5 deletions
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9
ChangeLog
View File

@ -1,3 +1,12 @@
2016-03-15 Carlos O'Donell <carlos@redhat.com>
* catgets/tst-catgets.c (do_bz17905): Mark result unused.
* dlfcn/bug-dl-leaf-lib.c (check_val_fini): Mark ret unused.
* math/atest-exp.c (exp_mpn): Mark chk unused.
* math/atest-exp2.c (exp_mpn): Likwise.
* sysdeps/arm/dl-machine.h (elf_machine_rela): Mark td unused.
* sysdeps/i386/i686/dl-hash.h: Mark _dl_elf_hash unused.
2016-03-15 Joseph Myers <joseph@codesourcery.com>
* sysdeps/unix/sysv/linux/kernel-features.h (__ASSUME_PPOLL):

2
catgets/tst-catgets.c
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@ -22,7 +22,7 @@ do_bz17905 (void)
{
char *buf;
struct rlimit rl;
nl_catd result;
nl_catd result __attribute__ ((unused));
const int sz = 1024 * 1024;

2
dlfcn/bug-dl-leaf-lib.c
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@ -50,7 +50,7 @@ void check_val_fini (void)
int lib_main (void)
{
int ret;
int ret __attribute__ ((unused));
void *hdl;
/* Make sure the constructor sees the updated val. */

2
math/atest-exp.c
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@ -61,7 +61,7 @@ exp_mpn (mp1 ex, mp1 x)
unsigned n;
mp1 xp;
mp2 tmp;
mp_limb_t chk;
mp_limb_t chk __attribute__ ((unused));
mp1 tol;
memset (xp, 0, sizeof (mp1));

2
math/atest-exp2.c
View File

@ -87,7 +87,7 @@ exp_mpn (mp1 ex, mp1 x)
unsigned int n;
mp1 xp;
mp2 tmp;
mp_limb_t chk;
mp_limb_t chk __attribute__ ((unused));
mp1 tol;
memset (xp, 0, sizeof (mp1));

2
sysdeps/arm/dl-machine.h
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@ -581,7 +581,7 @@ elf_machine_rela (struct link_map *map, const Elf32_Rela *reloc,
# ifdef RESOLVE_CONFLICT_FIND_MAP
case R_ARM_TLS_DESC:
{
struct tlsdesc volatile *td =
struct tlsdesc volatile *td __attribute__ ((unused)) =
(struct tlsdesc volatile *) reloc_addr;
RESOLVE_CONFLICT_FIND_MAP (map, reloc_addr);

1
sysdeps/i386/i686/dl-hash.h
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@ -26,6 +26,7 @@
would be much slower than the generic C implementation. So don't
use it. */
static unsigned int
__attribute__ ((unused))
_dl_elf_hash (const char *name)
{
unsigned int result;