On Fri, Mar 09, 2007 at 09:16:35PM +0100, Jan Engelhardt wrote:
> 
> On Mar 9 2007 20:00, Sam Ravnborg wrote:
> >On Thu, Mar 08, 2007 at 11:01:57PM +0100, Jan Engelhardt wrote:
> >> 
> >> Since Solaris seems to be on the run, I did myself try compile it. 
> >> However, unlike the original poster who said he did so on SunOS 4.8, I 
> >> did it on 5.11_snv39, yielding a bigger changeset. I thought I just 
> >> share the diff that piled up so far. It needs a lot of hacks on the 
> >> Solaris side - prioritizing GNU names, then, second, gnu ld has a 
> >> glitch, then, gcc has a missing file... it's fun fun fun!
> >
> >Can I please have a signed-off version of this patch.
> 
> _Are you sure_ you want all these hacks without further
> review from other people? Also note the patch is incomplete,
> for example I could not compile the acpi pieces because
> acsolaris.h -- which is referenced in the acpi includes --
> does not exist. (Yet another piece of software that has
> crossplatform compatibilty stuff, like XFS.)

The Signed-off-by: document the origin of the path.
I'm planning only to take the sensible bits of the patch anyway.

> >> --- linux-2.6.21-rc3.orig/include/linux/input.h    2007-03-07 
> >> 05:41:20.000000000 +0100
> >> +++ linux-2.6.21-rc3/include/linux/input.h 2007-03-07 23:40:39.417339000 
> >> +0100
> >> @@ -16,7 +16,9 @@
> >>  #include <sys/time.h>
> >>  #include <sys/ioctl.h>
> >>  #include <sys/types.h>
> >> -#include <asm/types.h>
> >> +#ifndef __sun__
> >> +# include <asm/types.h>
> >> +#endif
> >>  #endif
> 
> This is not a proper fix for sure. The problem lies in
> file2alias.c, see (your own) http://lkml.org/lkml/2007/3/8/339
I already committed my own fix - so this chunk can be ignored.

> 
> >> Index: linux-2.6.21-rc3/scripts/genksyms/genksyms.c
> >> ===================================================================
> >> --- linux-2.6.21-rc3.orig/scripts/genksyms/genksyms.c      2007-03-07 
> >> 05:41:20.000000000 +0100
> >> +++ linux-2.6.21-rc3/scripts/genksyms/genksyms.c   2007-03-07 
> >> 23:28:35.659555000 +0100
> >> @@ -21,6 +21,7 @@
> >>     along with this program; if not, write to the Free Software Foundation,
> >>     Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
> >>  
> >> +#include <alloca.h>
> >>  #include <stdio.h>
> >>  #include <string.h>
> >>  #include <stdlib.h>
> 
> This is however, is valid. Can I gave sign-offs for single hunks?
Agree and yes.

> 
> >> Index: linux-2.6.21-rc3/scripts/kallsyms.c
> >> ===================================================================
> >> --- linux-2.6.21-rc3.orig/scripts/kallsyms.c       2007-03-07 
> >> 05:41:20.000000000 +0100
> >> +++ linux-2.6.21-rc3/scripts/kallsyms.c    2007-03-07 23:46:46.249005000 
> >> +0100
> >> @@ -378,6 +378,40 @@
> >>    table_cnt = pos;
> >>  }
> >>  
> >> +#ifdef __sun__
> >> +/* Return the first occurrence of NEEDLE in HAYSTACK.  */
> >> +void *
> >> +memmem (haystack, haystack_len, needle, needle_len)
> >> +     const void *haystack;
> >> +      return (void *) begin;
> >> +
> >> +  return NULL;
> >> +}
> >> +#endif
> >> +
> >>  /* replace a given token in all the valid symbols. Use the sampled symbols
> >>   * to update the counts */
> >>  static void compress_symbols(unsigned char *str, int idx)
> 
> This one, I am just waiting for someone to object to the extra #if-#endif.
I was planning to ask Paulo if strstr could not be used - Paulo?

> 
> >> Index: linux-2.6.21-rc3/scripts/kconfig/Makefile
> >> ===================================================================
> >> --- linux-2.6.21-rc3.orig/scripts/kconfig/Makefile 2007-03-07 
> >> 05:41:20.000000000 +0100
> >> +++ linux-2.6.21-rc3/scripts/kconfig/Makefile      2007-03-07 
> >> 23:21:19.730679000 +0100
> >> @@ -88,7 +88,7 @@
> >>  HOST_EXTRACFLAGS = $(shell $(CONFIG_SHELL) $(check-lxdialog) -ccflags)
> >>  HOST_LOADLIBES   = $(shell $(CONFIG_SHELL) $(check-lxdialog) -ldflags 
> >> $(HOSTCC))
> >>  
> >> -HOST_EXTRACFLAGS += -DLOCALE
> >> +HOST_EXTRACFLAGS += -DLOCALE -std=c99 -D__EXTENSIONS__
> >>  
> >>  PHONY += $(obj)/dochecklxdialog
> >>  $(obj)/dochecklxdialog:
> 
> The error message for this one was: <stdbool.h> only valid in C99 mode.
> Linux GCC 4.1.2 does not print that, Solaris GCC 3.4.3 does. I do not
> know offhand who is right.
The -std= looks safe. The __EXTENSIONS__ part seems safe and needed after a bit 
googling.

> 
> >> Index: linux-2.6.21-rc3/scripts/kconfig/lxdialog/dialog.h
> >> ===================================================================
> >> --- linux-2.6.21-rc3.orig/scripts/kconfig/lxdialog/dialog.h        
> >> 2007-03-07 05:41:20.000000000 +0100
> >> +++ linux-2.6.21-rc3/scripts/kconfig/lxdialog/dialog.h     2007-03-07 
> >> 23:14:48.462956000 +0100
> >> @@ -222,3 +222,7 @@
> >>   *   -- uppercase chars are used to invoke the button (M_EVENT + 'O')
> >>   */
> >>  #define M_EVENT (KEY_MAX+1)
> >> +
> >> +#ifndef KEY_RESIZE
> >> +# define KEY_RESIZE 0632
> >> +#endif
> 
> Solaris only has curses, not ncurses. Consider this a supreme hack.
> In fact, menuconfig has some weird display errors still.
This hack looks OK to me.

> 
> >> Index: linux-2.6.21-rc3/scripts/mod/file2alias.c
> >> ===================================================================
> >> --- linux-2.6.21-rc3.orig/scripts/mod/file2alias.c 2007-03-07 
> >> 05:41:20.000000000 +0100
> >> +++ linux-2.6.21-rc3/scripts/mod/file2alias.c      2007-03-07 
> >> 23:41:23.772026000 +0100
> >> @@ -32,6 +32,8 @@
> >>  typedef uint32_t  __u32;
> >>  typedef uint16_t  __u16;
> >>  typedef unsigned char     __u8;
> >> +typedef int32_t           __s32;
> >> +typedef int16_t           __s16;
> >>  
> >>  /* Big exception to the "don't include kernel headers into userspace, 
> >> which
> >>   * even potentially has different endianness and word sizes, since
> 
> HAX.
This goes away when we do not include input.h I think.

> 
> >> Index: linux-2.6.21-rc3/scripts/mod/modpost.h
> >> ===================================================================
> >> --- linux-2.6.21-rc3.orig/scripts/mod/modpost.h    2007-03-07 
> >> 05:41:20.000000000 +0100
> >> +++ linux-2.6.21-rc3/scripts/mod/modpost.h 2007-03-07 23:37:01.315290000 
> >> +0100
> >> @@ -41,6 +41,11 @@
> >>  #define ELF_R_TYPE  ELF64_R_TYPE
> >>  #endif
> >>  
> >> +#ifdef __sun__
> >> +typedef uint16_t Elf32_Section;
> >> +typedef uint16_t Elf64_Section;
> >> +#endif
> >> +
> >>  /* The 64-bit MIPS ELF ABI uses an unusual reloc format. */
> >>  typedef struct
> >>  {
> 
> More HAX because Sol does not have them >:-(
Yup - but needed.

> 
> >> Index: linux-2.6.21-rc3/scripts/mod/sumversion.c
> >> ===================================================================
> >> --- linux-2.6.21-rc3.orig/scripts/mod/sumversion.c 2007-03-07 
> >> 05:41:20.000000000 +0100
> >> +++ linux-2.6.21-rc3/scripts/mod/sumversion.c      2007-03-07 
> >> 23:43:55.668334000 +0100
> >> @@ -6,6 +6,7 @@
> >>  #endif
> >>  #include <ctype.h>
> >>  #include <errno.h>
> >> +#include <limits.h>
> >>  #include <string.h>
> >>  #include "modpost.h"
> >>  
> 
> Valid hunk, should be applied (to get the PATH_MAX constant).
Yes.

> 
> >> @@ -417,7 +418,8 @@
> >>    *end = '\0';
> >>  
> >>    md4_init(&md);
> >> -  while ((fname = strsep(&sources, " ")) != NULL) {
> >> +  for(fname = strtok(sources, " "); fname != NULL;
> >> +    fname = strtok(NULL, " ")) {
> >>            if (!*fname)
> >>                    continue;
> >>            if (!parse_source_files(fname, &md))
> >> #<EOF>
> 
> See thread debate as to whether to keep strsep or use
> strtok, since strtok is not thread-safe, and strtok_r
> is a GNUism unlikely to be available in Solaris either.

For this usage the thread safety does not matter as I see it.
But we can just open code it:

diff --git a/scripts/mod/sumversion.c b/scripts/mod/sumversion.c
index 8a28756..d10a6a3 100644
--- a/scripts/mod/sumversion.c
+++ b/scripts/mod/sumversion.c
@@ -379,7 +379,7 @@ void get_src_version(const char *modname, char sum[], 
unsigned sumlen)
        void *file;
        unsigned long len;
        struct md4_ctx md;
-       char *sources, *end, *fname;
+       char *sources, *end, *fname, *endname;
        const char *basename;
        char filelist[PATH_MAX + 1];
        char *modverdir = getenv("MODVERDIR");
@@ -417,13 +417,16 @@ void get_src_version(const char *modname, char sum[], 
unsigned sumlen)
        *end = '\0';
 
        md4_init(&md);
-       while ((fname = strsep(&sources, " ")) != NULL) {
-               if (!*fname)
-                       continue;
+       fname = endname = sources;
+       while ((endname != end) && *fname) {
+               char *endname = fname;
+               while (*endname && !isspace(*endname))
+                       endname++;
+               *endname = '\0';
                if (!parse_source_files(fname, &md))
                        goto release;
+               fname = ++endname;
        }
-
        md4_final_ascii(&md, sum, sumlen);
 release:
        release_file(file, len);


        Sam
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