Re: Work in progress

[Michael Tremer <michael.tremer@ipfire.org>]

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Hi,

It looks like cap_text.c is missing to include stddef.h. That is where size_t is defined.

I just merged the libcap, so you can give this another try.

Best,
-Michael

> On 5 Apr 2021, at 15:44, Adolf Belka <adolf.belka(a)ipfire.org> wrote:
> 
> Hi All,
> 
> I had failures with building libcap-2.25 with the new gperf. From the fail messages I can see that the libcap build calls gperf and is finding unknown type names in the response.
> 
> I have seen that Matthias has updated libcap and submitted the patch.
> 
> I will wait till the updated libcap is merged and then redo my gperf build and see if that solves the problem. Until then I have excluded gperf from my current builds.
> 
> Here is the log output from building libcap with gperf updated from 3.0.4 (2009) to 3.1 (2017).
> 
> Apr  5 13:45:53: Building libcap libcap-2.25.tar.xz checksum OK
> + cd /usr/src/lfs
> + make -f libcap LFS_BASEDIR=/usr/src install
> ====================================== Installing libcap-2.25 ...
> Install started; saving file list to /usr/src/lsalr ...
> # Prevent a static library from being installed
> cd /usr/src/libcap-2.25 && sed -i '/install.*STALIBNAME/d' libcap/Makefile
> cd /usr/src/libcap-2.25 && make
> make[1]: Entering directory '/usr/src/libcap-2.25'
> make -C libcap all
> make[2]: Entering directory '/usr/src/libcap-2.25/libcap'
> => making cap_names.list.h from /usr/src/libcap-2.25/libcap/../libcap/include/uapi/linux/capability.h
> perl -e 'while ($l=<>) { if ($l =~ /^\#define[ \t](CAP[_A-Z]+)[ \t]+([0-9]+)\s+$/) { $tok=$1; $val=$2; $tok =~ tr/A-Z/a-z/; print "{\"$tok\",$val},\n"; } }' /usr/src/libcap-2.25/libcap/../libcap/include/uapi/linux/capability.h | fgrep -v 0x > cap_names.list.h
> gcc -O2 -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -fPIC -I/usr/src/libcap-2.25/libcap/../libcap/include/uapi -I/usr/src/libcap-2.25/libcap/../libcap/include _makenames.c -o _makenames
> ./_makenames > cap_names.h
> gcc -O2 -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Dlinux -Wall -Wwrite-strings -Wpointer-arith -Wcast-qual -Wcast-align -Wstrict-prototypes -Wmissing-prototypes -Wnested-externs -Winline -Wshadow -g  -fPIC -I/usr/src/libcap-2.25/libcap/../libcap/include/uapi -I/usr/src/libcap-2.25/libcap/../libcap/include -c cap_alloc.c -o cap_alloc.o
> gcc -O2 -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Dlinux -Wall -Wwrite-strings -Wpointer-arith -Wcast-qual -Wcast-align -Wstrict-prototypes -Wmissing-prototypes -Wnested-externs -Winline -Wshadow -g  -fPIC -I/usr/src/libcap-2.25/libcap/../libcap/include/uapi -I/usr/src/libcap-2.25/libcap/../libcap/include -c cap_proc.c -o cap_proc.o
> gcc -O2 -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Dlinux -Wall -Wwrite-strings -Wpointer-arith -Wcast-qual -Wcast-align -Wstrict-prototypes -Wmissing-prototypes -Wnested-externs -Winline -Wshadow -g  -fPIC -I/usr/src/libcap-2.25/libcap/../libcap/include/uapi -I/usr/src/libcap-2.25/libcap/../libcap/include -c cap_extint.c -o cap_extint.o
> gcc -O2 -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Dlinux -Wall -Wwrite-strings -Wpointer-arith -Wcast-qual -Wcast-align -Wstrict-prototypes -Wmissing-prototypes -Wnested-externs -Winline -Wshadow -g  -fPIC -I/usr/src/libcap-2.25/libcap/../libcap/include/uapi -I/usr/src/libcap-2.25/libcap/../libcap/include -c cap_flag.c -o cap_flag.o
> perl -e 'print "struct __cap_token_s { const char *name; int index; };\n%{\nconst struct __cap_token_s *__cap_lookup_name(const char *, unsigned int);\n%}\n%%\n"; while ($l = <>) { $l =~ s/[\{\"]//g; $l =~ s/\}.*// ; print $l; }' < cap_names.list.h | gperf --ignore-case --language=ANSI-C --readonly --null-strings --global-table --hash-function-name=__cap_hash_name --lookup-function-name="__cap_lookup_name" -c -t -m20  > _caps_output.gperf
> gcc -O2 -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Dlinux -Wall -Wwrite-strings -Wpointer-arith -Wcast-qual -Wcast-align -Wstrict-prototypes -Wmissing-prototypes -Wnested-externs -Winline -Wshadow -g  -fPIC -I/usr/src/libcap-2.25/libcap/../libcap/include/uapi -I/usr/src/libcap-2.25/libcap/../libcap/include -include _caps_output.gperf -c cap_text.c -o cap_text.o
> In file included from <command-line>:
> ./_caps_output.gperf:71:80: error: unknown type name 'size_t'
>    71 | gperf_case_strncmp (register const char *s1, register const char *s2, register size_t n)
> | ^~~~~~
> ./_caps_output.gperf:96:53: error: unknown type name 'size_t'
>    96 | __cap_hash_name (register const char *str, register size_t len)
>       |                                                     ^~~~~~
> ./_caps_output.gperf:200:55: error: unknown type name 'size_t'
>   200 | __cap_lookup_name (register const char *str, register size_t len)
>       | ^~~~~~
> ./_caps_output.gperf:200:1: error: conflicting types for '__cap_lookup_name'
>   200 | __cap_lookup_name (register const char *str, register size_t len)
>       | ^~~~~~~~~~~~~~~~~
> ./_caps_output.gperf:33:29: note: previous declaration of '__cap_lookup_name' was here
>    33 | const struct __cap_token_s *__cap_lookup_name(const char *, unsigned int);
>       |                             ^~~~~~~~~~~~~~~~~
> make[2]: *** [Makefile:63: cap_text.o] Error 1
> make[2]: Leaving directory '/usr/src/libcap-2.25/libcap'
> make[1]: *** [Makefile:12: all] Error 2
> make[1]: Leaving directory '/usr/src/libcap-2.25'
> make: *** [libcap:75: /usr/src/log/libcap-2.25] Error 2
> 
> On 05/04/2021 13:36, Adolf Belka wrote:
>> Hi all,
>> 
>> For information I am working on the following updates:-
>> 
>> gettext
>> gmp
>> go
>> gperf
>> grep
>> libmpc
>> mpc
>> mpd
>> zstd
>> 
>> 
>> Regards,
>> 
>> Adolf.
>> 
> -- 
> Sent from my laptop
>