Hi all,
In trying to cross-compile uWSGI for an embedded ARM board on an
Ubuntu 11.10 host, I ran into this error:
| arm-angstrom-linux-gnueabi-gcc -march=armv5te -mtune=arm926ej-s
-mthumb-interwork -mno-thumb -c -O2 -Wall -Werror -D_LARGEFILE_SOURCE
-D_FILE_OFFSET_BITS=64 -fexpensive-optimizations -frename-registers
-fomit-frame-pointer -O2 -ggdb2 -fno-strict-aliasing -Wextra
-Wno-unused-parameter -Wno-missing-field-initializers
-DUWSGI_BUILD_DATE="\"25 October 2011 15:47:04\""
-DUWSGI_HAS_IFADDRcc1: warnings being treated as errors
| event.c: In function 'timerfd_create':
| event.c:695: error: control reaches end of non-void function
| event.c: In function 'timerfd_settime':
| event.c:705: error: control reaches end of non-void function
| S -DUWSGI_LOCK_USE_MUTEX -DUWSGI_EVENT_USE_EPOLL
-DUWSGI_EVENT_TIMER_USE_TIMERFD -DUWSGI_EVENT_TIMER_USE_TIMERFD_NOINC
-DUWSGI_EVENT_FILEMONITOR_USE_INOTIFY -DUWSGI_EMBEDDED -DUWSGI_UDP
-DUWSGI_VERSION="\"0.9.9.2\"" -DUWSGI_VERSION_BASE="0"
-DUWSGI_VERSION_MAJOR="9" -DUWSGI_VERSION_MINOR="9"
-DUWSGI_VERSION_REVISION="2" -DUWSGI_VERSION_CUSTOM="\"\""
-DUWSGI_ASYNC -DUWSGI_MULTICAST -DUWSGI_MINTERPRETERS -DUWSGI_INI
-DUWSGI_YAML -DUWSGI_SNMP -DUWSGI_THREADING -DUWSGI_SENDFILE
-I/home/brandon/oe-beta-build/tmp/sysroots/armv5te-angstrom-linux-gnueabi/usr/include/libxml2
-DUWSGI_XML -DUWSGI_XML_LIBXML2 -DUWSGI_PLUGIN_DIR=\".\"
-DUWSGI_SPOOLER
-DUWSGI_DECLARE_EMBEDDED_PLUGINS="UDEP(python);UDEP(ping);UDEP(cache);UDEP(nagios);UDEP(rpc);UDEP(fastrouter);UDEP(http);UDEP(ugreen);"
-DUWSGI_LOAD_EMBEDDED_PLUGINS="ULEP(python);ULEP(ping);ULEP(cache);ULEP(nagios);ULEP(rpc);ULEP(fastrouter);ULEP(http);ULEP(ugreen);"
-o event.o event.c
I think that the relevant lines of event.c are the following:
#ifndef TFD_CLOEXEC
// timerfd support
enum
{
TFD_CLOEXEC = 02000000,
#define TFD_CLOEXEC TFD_CLOEXEC
TFD_NONBLOCK = 04000
#define TFD_NONBLOCK TFD_NONBLOCK
};
/* Bits to be set in the FLAGS parameter of `timerfd_settime'. */
enum
{
TFD_TIMER_ABSTIME = 1 << 0
#define TFD_TIMER_ABSTIME TFD_TIMER_ABSTIME
};
static int timerfd_create (clockid_t __clock_id, int __flags) {
#ifdef __amd64__
return syscall(283, __clock_id, __flags);
#elif defined(__i386__)
return syscall(322, __clock_id, __flags);
#endif
}
static int timerfd_settime (int __ufd, int __flags,
__const struct itimerspec *__utmr,
struct itimerspec *__otmr) {
#ifdef __amd64__
return syscall(286, __ufd, __flags, __utmr, __otmr);
#elif defined(__i386__)
return syscall(325, __ufd, __flags, __utmr, __otmr);
#endif
}
#endif
My hunch is that neither __amd64__ nor __i386__ are defined, so both
timerfd_create and timerfd_settime are empty, which produces the
error. However, I *think* have built uWSGI 0.9.9.2 for ARM previously;
the only difference that I can think of is that I upgraded my build
machine from Ubuntu 11.04 to 11.10. I would not expect that to cause a
problem, given that uWSGI is being built with a cross-compiler in both
cases.
Should I be able to build 0.9.9.2 for ARM? If so, any ideas what's
going wrong? If it's that there are no syscalls defined for these two
functions, is that fixable by some means?
Best regards,
Brandon
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