[Bug runtime/31039] New: implicit declaration of function ‘stap_task_finder_complete’

["mcermak at redhat dot com" <sourceware-bugzilla@sourceware.org>]

https://sourceware.org/bugzilla/show_bug.cgi?id=31039

            Bug ID: 31039
           Summary: implicit declaration of function
                    ‘stap_task_finder_complete’
           Product: systemtap
           Version: unspecified
            Status: NEW
          Severity: normal
          Priority: P2
         Component: runtime
          Assignee: systemtap at sourceware dot org
          Reporter: mcermak at redhat dot com
  Target Milestone: ---

On Fedora 40, auto_path.exp fails with "implicit declaration of function
‘stap_task_finder_complete’".  Smaller reproducer:

f40 x86_64 # pwd
/root/systemtap/testsuite/systemtap.base
f40 x86_64 # gcc -g auto_path.c 
f40 x86_64 # stap -I tapset -e 'probe ap1.process {println(pp())}' -c ./a.out 
In file included from
/tmp/stap9p91aS/stap_6d06511a67f12d9b3e0b31aa80968db5_1658_src.c:250:
/usr/local/share/systemtap/runtime/linux/uprobes-inode.c: In function
‘stapiu_probe_prehandler’:
/usr/local/share/systemtap/runtime/linux/uprobes-inode.c:209:13: error:
implicit declaration of function ‘stap_task_finder_complete’; did you mean
‘stap_task_finder_post_init’? [-Werror=implicit-function-declaration]
  209 |         if (stap_task_finder_complete())
      |             ^~~~~~~~~~~~~~~~~~~~~~~~~
      |             stap_task_finder_post_init
/tmp/stap9p91aS/stap_6d06511a67f12d9b3e0b31aa80968db5_1658_src.c: At top level:
/tmp/stap9p91aS/stap_6d06511a67f12d9b3e0b31aa80968db5_1658_src.c:394:76: error:
‘struct stap_task_finder_target’ has no member named ‘build_id_len’
  394 |   { .finder={  .purpose="inode-uprobes",
.callback=&stapiu_process_found, .build_id_len=0,
.procname="/tmp/stap_auto_path/a/ap1", },
.module_name="/tmp/stap_auto_path/a/ap1", .offset=(loff_t)0x110aULL,
.probe=(&stap_probes[0]), },
      |                                                                        
   ^~~~~~~~~~~~
cc1: all warnings being treated as errors
make[1]: *** [scripts/Makefile.build:243:
/tmp/stap9p91aS/stap_6d06511a67f12d9b3e0b31aa80968db5_1658_src.o] Error 1
make: *** [Makefile:1931: /tmp/stap9p91aS] Error 2
WARNING: kbuild exited with status: 2
Pass 4: compilation failed.  [man error::pass4]
Kernel version 6.7.0 is outside tested range 2.6.32 ... 6.5
f40 x86_64 #

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