diff options
Diffstat (limited to 'elf/ldconfig.c')
| -rw-r--r-- | elf/ldconfig.c | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/elf/ldconfig.c b/elf/ldconfig.c index 7faea56369..5147b22fcc 100644 --- a/elf/ldconfig.c +++ b/elf/ldconfig.c @@ -107,6 +107,9 @@ static char *cache_file; /* Configuration file. */ static const char *config_file; +/* Mask to use for important hardware capabilities. */ +static unsigned long int hwcap_mask = HWCAP_IMPORTANT; + /* Name and version of program. */ static void print_version (FILE *stream, struct argp_state *state); void (*argp_program_version_hook) (FILE *, struct argp_state *) @@ -147,7 +150,7 @@ is_hwcap_platform (const char *name) { int hwcap_idx = _dl_string_hwcap (name); - if (hwcap_idx != -1 && ((1 << hwcap_idx) & HWCAP_IMPORTANT)) + if (hwcap_idx != -1 && ((1 << hwcap_idx) & hwcap_mask)) return 1; hwcap_idx = _dl_string_platform (name); @@ -934,6 +937,16 @@ parse_conf (const char *filename) fclose (file); } +/* Honour LD_HWCAP_MASK. */ +static void +set_hwcap (void) +{ + char *mask = getenv ("LD_HWCAP_MASK"); + + if (mask) + hwcap_mask = strtoul (mask, NULL, 0); +} + int main (int argc, char **argv) @@ -952,6 +965,8 @@ main (int argc, char **argv) add_dir (argv[i]); } + set_hwcap (); + if (opt_chroot) { /* Normalize the path a bit, we might need it for printing later. */ |