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

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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
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@ -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> 2016-03-15 Joseph Myers <joseph@codesourcery.com>
* sysdeps/unix/sysv/linux/kernel-features.h (__ASSUME_PPOLL): * 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; char *buf;
struct rlimit rl; struct rlimit rl;
nl_catd result; nl_catd result __attribute__ ((unused));
const int sz = 1024 * 1024; 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 lib_main (void)
{ {
int ret; int ret __attribute__ ((unused));
void *hdl; void *hdl;
/* Make sure the constructor sees the updated val. */ /* 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; unsigned n;
mp1 xp; mp1 xp;
mp2 tmp; mp2 tmp;
mp_limb_t chk; mp_limb_t chk __attribute__ ((unused));
mp1 tol; mp1 tol;
memset (xp, 0, sizeof (mp1)); memset (xp, 0, sizeof (mp1));

2
math/atest-exp2.c
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@ -87,7 +87,7 @@ exp_mpn (mp1 ex, mp1 x)
unsigned int n; unsigned int n;
mp1 xp; mp1 xp;
mp2 tmp; mp2 tmp;
mp_limb_t chk; mp_limb_t chk __attribute__ ((unused));
mp1 tol; mp1 tol;
memset (xp, 0, sizeof (mp1)); 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 # ifdef RESOLVE_CONFLICT_FIND_MAP
case R_ARM_TLS_DESC: case R_ARM_TLS_DESC:
{ {
struct tlsdesc volatile *td = struct tlsdesc volatile *td __attribute__ ((unused)) =
(struct tlsdesc volatile *) reloc_addr; (struct tlsdesc volatile *) reloc_addr;
RESOLVE_CONFLICT_FIND_MAP (map, 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 would be much slower than the generic C implementation. So don't
use it. */ use it. */
static unsigned int static unsigned int
__attribute__ ((unused))
_dl_elf_hash (const char *name) _dl_elf_hash (const char *name)
{ {
unsigned int result; unsigned int result;