On 10/4/23 12:05, Philippe Mathieu-Daudé wrote: > Hi, > > I'm getting a bunch of errors for 'optarg' declared in <unistd.h>: > > NAME > getopt – get option character from command line argument list > > LIBRARY > Standard C Library (libc, -lc) > > SYNOPSIS > #include <unistd.h> > > extern char *optarg; > > > qom/object_interfaces.c:262:53: error: declaration shadows a variable in > the global scope [-Werror,-Wshadow] > ObjectOptions *user_creatable_parse_str(const char *optarg, Error **errp) > ^ > qom/object_interfaces.c:298:46: error: declaration shadows a variable in > the global scope [-Werror,-Wshadow] > bool user_creatable_add_from_str(const char *optarg, Error **errp) > ^ > qom/object_interfaces.c:313:49: error: declaration shadows a variable in > the global scope [-Werror,-Wshadow] > void user_creatable_process_cmdline(const char *optarg) > ^ > util/guest-random.c:90:45: error: declaration shadows a variable in the > global scope [-Werror,-Wshadow] > int qemu_guest_random_seed_main(const char *optarg, Error **errp) > ^ > trace/control.c:288:34: error: declaration shadows a variable in the > global scope [-Werror,-Wshadow] > void trace_opt_parse(const char *optarg) > ^ > /Users/philmd/source/qemu/include/qemu/plugin.h:245:54: error: > declaration shadows a variable in the global scope [-Werror,-Wshadow] > static inline void qemu_plugin_opt_parse(const char *optarg, > ^ > os-posix.c:103:31: error: declaration shadows a variable in the global > scope [-Werror,-Wshadow] > bool os_set_runas(const char *optarg) > ^ > os-posix.c:176:32: error: declaration shadows a variable in the global > scope [-Werror,-Wshadow] > void os_set_chroot(const char *optarg) > ^ > softmmu/tpm.c:178:59: error: declaration shadows a variable in the > global scope [-Werror,-Wshadow] > int tpm_config_parse(QemuOptsList *opts_list, const char *optarg) > ^ > /Users/philmd/source/qemu/include/qemu/plugin.h:245:54: error: > declaration shadows a variable in the global scope [-Werror,-Wshadow] > static inline void qemu_plugin_opt_parse(const char *optarg, > ^ > softmmu/vl.c:1069:44: error: declaration shadows a variable in the > global scope [-Werror,-Wshadow] > static void parse_display_qapi(const char *optarg) > ^ > softmmu/vl.c:1224:39: error: declaration shadows a variable in the > global scope [-Werror,-Wshadow] > static void monitor_parse(const char *optarg, const char *mode, bool pretty) > ^ > softmmu/vl.c:1598:17: error: declaration shadows a variable in the > global scope [-Werror,-Wshadow] > const char *optarg; > ^ > softmmu/vl.c:1634:17: error: declaration shadows a variable in the > global scope [-Werror,-Wshadow] > const char *optarg = qdict_get_try_str(qdict, "type"); > ^ > softmmu/vl.c:1784:45: error: declaration shadows a variable in the > global scope [-Werror,-Wshadow] > static void object_option_parse(const char *optarg) > ^ > softmmu/vl.c:2710:17: error: declaration shadows a variable in the > global scope [-Werror,-Wshadow] > const char *optarg; > ^ > net/net.c:1680:35: error: declaration shadows a variable in the global > scope [-Werror,-Wshadow] > bool netdev_is_modern(const char *optarg) > ^ > net/net.c:1714:38: error: declaration shadows a variable in the global > scope [-Werror,-Wshadow] > void netdev_parse_modern(const char *optarg) > ^ > net/net.c:1728:60: error: declaration shadows a variable in the global > scope [-Werror,-Wshadow] > void net_client_parse(QemuOptsList *opts_list, const char *optarg) > ^ > semihosting/config.c:134:49: error: declaration shadows a variable in > the global scope [-Werror,-Wshadow] > int qemu_semihosting_config_options(const char *optarg) > ^ > > /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/include/getopt.h:77:14: > > note: previous declaration is here > extern char *optarg; /* getopt(3) external variables */ > ^ > > Do we want to clean those? Any good name suggestion?
I would suggest "arg". > > Thanks, > > Phil. >