[Click] Patches for x86_64 builds

Eddie Kohler kohler at CS.UCLA.EDU
Fri Jun 29 15:59:19 EDT 2007


Puneet,

Thank you very much for this bug report.  I've checked in some fixes which, I 
believe, will address the underlying problems here, including that with 
String(off_t); would you please cvs up, reconfigure, and tell us how it works?

Eddie


Puneet Sood wrote:
> Hi,
> 
> While building Click for x86_64 from the current sources, I
> encountered a few errors (in configure and compilation). config.h
> contents at the bottom of this message.
> 
> **** Problem 1: ./configure: Check for C++-compilable kernel headers
> fails in include/asm/spinlock.h
> 
> --- configure.~1.98.~   2007-05-16 15:39:45.000000000 -0400
> +++ configure   2007-06-25 16:25:12.000000000 -0400
> @@ -14259,6 +14259,12 @@
>  cat confdefs.h >>conftest.$ac_ext
>  cat >>conftest.$ac_ext <<_ACEOF
>  /* end confdefs.h.  */
> +#if HAVE_LINUXMODULE_2_6
> +# define KBUILD_STR(s)         #s
> +# define KBUILD_BASENAME       KBUILD_STR(click)
> +# define KBUILD_MODNAME                KBUILD_STR(click)
> +#endif
> +
>  #define new xxx_new
>  #include <linux/autoconf.h>
>  #include <linux/signal.h>
> 
> 
> **** Problem 2: linuxmodule: Compilation of click/linuxmodule/sched.cc
> fails with the following errors
> 
> /usr/local/home/vlb/dev/src/click/linuxmodule/sched.cc: In function
> 'String read_sched_param(Element*, void*)':
> /usr/local/home/vlb/dev/src/click/linuxmodule/sched.cc:294: error:
> cast from 'void*' to 'int' loses precision
> /usr/local/home/vlb/dev/src/click/linuxmodule/sched.cc: In function
> 'int write_sched_param(const String&, Element*, void*,
> ErrorHandler*)':
> /usr/local/home/vlb/dev/src/click/linuxmodule/sched.cc:328: error:
> cast from 'void*' to 'int' loses precision
> 
> --- sched.cc.orig       2007-06-25 20:38:40.000000000 -0400
> +++ sched.cc    2007-06-25 16:54:35.000000000 -0400
> @@ -291,7 +291,7 @@
>  static String
>  read_sched_param(Element *, void *thunk)
>  {
> -    switch ((int)thunk) {
> +    switch (reinterpret_cast<ptrdiff_t>(thunk)) {
>      case H_TASKS_PER_ITER: {
>         if (click_router) {
>             String s;
> @@ -325,7 +325,7 @@
>  write_sched_param(const String &conf, Element *e, void *thunk,
> ErrorHandler *errh)
>  {
> 
> -    switch((int)thunk) {
> +    switch(reinterpret_cast<ptrdiff_t>(thunk)) {
> 
>      case H_TASKS_PER_ITER: {
>         unsigned x;
> 
> **** Problem 3: Compilation of click/elements/userlevel/fromdump.cc
> fails with the following errors
> 
>   CXX ../elements/userlevel/fromdump.cc
> ../elements/userlevel/fromdump.cc: In static member function 'static
> String FromDump::read_handler(Element*, void*)':
> ../elements/userlevel/fromdump.cc:522: error: call of overloaded
> 'String(off_t&)' is ambiguous
> ../include/click/string.hh:40: note: candidates are: String::String(double)
> ../include/click/string.hh:34: note:
> String::String(long unsigned int)
> ../include/click/string.hh:33: note:                 String::String(long int)
> ../include/click/string.hh:32: note:
> String::String(unsigned int)
> ../include/click/string.hh:31: note:                 String::String(int)
> ../include/click/string.hh:269: note:
> String::String(unsigned char)
> ../include/click/string.hh:260: note:                 String::String(char)
> ../include/click/string.hh:250: note:                 String::String(bool)
> ../include/click/string.hh:208: note:
> String::String(const char*) <near match>
> ../include/click/string.hh:278: note:
> String::String(const String&) <near match>
> 
> Not sure what the best fix is in this case. I worked around by
> typecasting the off_t value to a long int (which is 64-bit here). It
> may be better to overload the String::String for long long and
> unsigned long long unconditionally.
> 
> Thanks,
> Puneet
> 
> 
> /* include/click/config.h.  Generated from config.h.in by configure.  */
> /* Process this file with configure to produce config.h. -*- mode: c -*- */
> #ifndef CLICK_CONFIG_H
> #define CLICK_CONFIG_H
> 
> /* Define to byte order of target machine. */
> #define CLICK_BYTE_ORDER 1234
> #define CLICK_BIG_ENDIAN	4321
> #define CLICK_LITTLE_ENDIAN	1234
> #define CLICK_NO_ENDIAN		0
> 
> /* Define for Click memory allocation debugging. */
> /* #undef CLICK_DMALLOC */
> 
> /* Version number of package */
> #define CLICK_VERSION "1.6.0pre"
> 
> /* Define if PollDevice should run fast to get good benchmark numbers */
> #define CLICK_WARP9 1
> 
> /* Define if you have the __builtin_clz function. */
> #define HAVE___BUILTIN_CLZ 1
> 
> /* Define if you have the __builtin_clzl function. */
> #define HAVE___BUILTIN_CLZL 1
> 
> /* Define if you have the __builtin_clzll function. */
> #define HAVE___BUILTIN_CLZLL 1
> 
> /* Define if you have the __builtin_ffs function. */
> #define HAVE___BUILTIN_FFS 1
> 
> /* Define if you have the __builtin_ffsl function. */
> #define HAVE___BUILTIN_FFSL 1
> 
> /* Define if you have the __builtin_ffsll function. */
> #define HAVE___BUILTIN_FFSLL 1
> 
> /* Define if the va_list type is addressable. */
> /* #undef HAVE_ADDRESSABLE_VA_LIST */
> 
> /* Define if the machine is indifferent to alignment. */
> #define HAVE_INDIFFERENT_ALIGNMENT 1
> 
> /* Define if you want to use Intel-specific instructions. */
> #define HAVE_INTEL_CPU 1
> 
> /* Define if 64-bit integer types are enabled. */
> #define HAVE_INT64_TYPES 1
> 
> /* Define if IPv6 support is enabled. */
> /* #undef HAVE_IP6 */
> 
> /* Define if IPsec support is enabled. */
> /* #undef HAVE_IPSEC */
> 
> /* Define to 1 if the system has the type `long long'. */
> #define HAVE_LONG_LONG 1
> 
> /* Define if nanosecond-granularity timestamps are enabled. */
> /* #undef HAVE_NANOTIMESTAMP_ENABLED */
> 
> /* Define if you want to use the stride scheduler. */
> #define HAVE_STRIDE_SCHED 1
> 
> /* Define to 1 since we have Strings. */
> #define HAVE_STRING 1
> 
> /* Define to 1 if the system has the type `struct timespec'. */
> #define HAVE_STRUCT_TIMESPEC 1
> 
> #ifdef HAVE_STRIDE_SCHED
> /* Define if you want task scheduling to use a heap, not a linked list. */
> /* #undef HAVE_TASK_HEAP */
> #endif
> 
> /* The size of a `int', as computed by sizeof. */
> #define SIZEOF_INT 4
> 
> /* The size of a `long', as computed by sizeof. */
> #define SIZEOF_LONG 8
> 
> /* The size of a `long long', as computed by sizeof. */
> #define SIZEOF_LONG_LONG 8
> 
> /* The size of a `struct timespec', as computed by sizeof. */
> #define SIZEOF_STRUCT_TIMESPEC 16
> 
> /* The size of a `struct timeval', as computed by sizeof. */
> #define SIZEOF_STRUCT_TIMEVAL 16
> 
> /* Define if you want to run multithreaded Click. */
> /* #undef __MTCLICK__ */
> #define NUM_CLICK_CPUS 1
> 
> #ifndef __cplusplus
> /* Define inline, if necessary. C only. */
> /* #undef inline */
> #endif
> 
> #ifdef __cplusplus
> /* Explicit template instances? */
> #if __GNUC__ == 2 && __GNUC_MINOR__ < 90
> #define EXPLICIT_TEMPLATE_INSTANCES 1
> #endif
> #endif /* __cplusplus */
> 
> /* Define macros for declaring packed structures. */
> #ifdef __GNUC__
> #define CLICK_PACKED_STRUCTURE(open, close) open close __attribute__((packed))
> #define CLICK_SIZE_PACKED_STRUCTURE(open, close) open close
> __attribute__((packed))
> #else
> #define CLICK_PACKED_STRUCTURE(open, close) _Cannot_pack_structure__Use_GCC
> #define CLICK_SIZE_PACKED_STRUCTURE(open, close) open close
> #endif
> 
> /* Define macro for deprecated functions. */
> #if __GNUC__ < 3 || (__GNUC__ == 3 && __GNUC_MINOR__ == 0)
> #define CLICK_DEPRECATED
> #else
> #define CLICK_DEPRECATED __attribute__((deprecated))
> #endif
> 
> /* Define ARCH_IS_BIG_ENDIAN based on CLICK_BYTE_ORDER. */
> #if CLICK_BYTE_ORDER == CLICK_BIG_ENDIAN
> #define ARCH_IS_BIG_ENDIAN	1
> #elif CLICK_BYTE_ORDER == CLICK_LITTLE_ENDIAN
> #define ARCH_IS_BIG_ENDIAN	0
> #endif
> 
> /* EXPORT_ELEMENT, ELEMENT_REQUIRES, ELEMENT_PROVIDES, ELEMENT_HEADER,
>    ELEMENT_LIBS, and ELEMENT_MT_SAFE are noops. */
> #define EXPORT_ELEMENT(x)
> #define ELEMENT_REQUIRES(x)
> #define ELEMENT_PROVIDES(x)
> #define ELEMENT_HEADER(x)
> #define ELEMENT_LIBS(x)
> #define ELEMENT_MT_SAFE(x)
> 
> /* Assume CLICK_USERLEVEL unless otherwise defined. */
> #if !defined(CLICK_USERLEVEL) && !defined(CLICK_TOOL) &&
> !defined(CLICK_LINUXMODULE) && !defined(CLICK_BSDMODULE)
> # define CLICK_USERLEVEL 1
> #endif
> 
> /* Define stuff under a Linux module. */
> #ifdef CLICK_LINUXMODULE
> # include <click/config-linuxmodule.h>
> #endif
> 
> /* Define stuff under a FreeBSD module. */
> #ifdef CLICK_BSDMODULE
> # include <click/config-bsdmodule.h>
> #endif
> 
> /* Define stuff under nsclick. */
> #ifdef CLICK_NS
> # include <click/config-ns.h>
> #endif
> 
> /* Define stuff under tools or a user-level driver. */
> #if defined(CLICK_USERLEVEL) || defined(CLICK_TOOL)
> # include <click/config-userlevel.h>
> #endif
> 
> #endif /* CLICK_CONFIG_H */
> _______________________________________________
> click mailing list
> click at amsterdam.lcs.mit.edu
> https://amsterdam.lcs.mit.edu/mailman/listinfo/click


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