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df90cc41d6
When cross compiling perf and I want to link against a self-compiled
libunwind, I usually make the custom path where the libunwind headers
exist visible by adding the libunwind prefix to the include path when
compiling perf, i.e.:
~~~~~
$ ls $HOME/projects/compiled/other/include/
libunwind-coredump.h libunwind.h libunwind-x86_64.h
libunwind-common.h libunwind-dynamic.h libunwind-ptrace.h
unwind.h
$ make EXTRA_CFLAGS="-I$HOME/projects/compiled/other/include/
~~~~~~
Note the `unwind.h` header from libunwind which leads to compile
errors when compiling tests/dwarf-unwind.c, since it shadows perf's
util/unwind.h:
~~~~~
tests/dwarf-unwind.c:41:32: error: ‘struct unwind_entry’ declared inside parameter list will not be visible outside of this definition or declaration [-Werror]
static int unwind_entry(struct unwind_entry *entry, void *arg)
^~~~~~~~~~~~
tests/dwarf-unwind.c: In function ‘unwind_entry’:
tests/dwarf-unwind.c:44:22: error: dereferencing pointer to incomplete type ‘struct unwind_entry’
char *symbol = entry->sym ? entry->sym->name : NULL;
^~
tests/dwarf-unwind.c: In function ‘unwind_thread’:
tests/dwarf-unwind.c:92:8: error: implicit declaration of function ‘unwind__get_entries’; did you mean ‘unwind_entry’? [-Werror=implicit-function-declaration]
err = unwind__get_entries(unwind_entry, &cnt, thread,
^~~~~~~~~~~~~~~~~~~
unwind_entry
tests/dwarf-unwind.c:92:8: error: nested extern declaration of ‘unwind__get_entries’ [-Werror=nested-externs]
~~~~~~
Fix this compile error by specificing an explicit include of perf's
unwind.h in the util folder.
Signed-off-by: Milian Wolff <milian.wolff@kdab.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Yao Jin <yao.jin@linux.intel.com>
Link: http://lkml.kernel.org/r/20170906150209.12579-1-milian.wolff@kdab.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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| .. | ||
| attr | ||
| shell | ||
| .gitignore | ||
| attr.c | ||
| attr.py | ||
| backward-ring-buffer.c | ||
| bitmap.c | ||
| bp_signal_overflow.c | ||
| bp_signal.c | ||
| bpf-script-example.c | ||
| bpf-script-test-kbuild.c | ||
| bpf-script-test-prologue.c | ||
| bpf-script-test-relocation.c | ||
| bpf.c | ||
| Build | ||
| builtin-test.c | ||
| clang.c | ||
| code-reading.c | ||
| cpumap.c | ||
| dso-data.c | ||
| dwarf-unwind.c | ||
| event_update.c | ||
| event-times.c | ||
| evsel-roundtrip-name.c | ||
| evsel-tp-sched.c | ||
| expr.c | ||
| fdarray.c | ||
| hists_common.c | ||
| hists_common.h | ||
| hists_cumulate.c | ||
| hists_filter.c | ||
| hists_link.c | ||
| hists_output.c | ||
| is_printable_array.c | ||
| keep-tracking.c | ||
| kmod-path.c | ||
| llvm.c | ||
| llvm.h | ||
| make | ||
| mem.c | ||
| mmap-basic.c | ||
| mmap-thread-lookup.c | ||
| openat-syscall-all-cpus.c | ||
| openat-syscall-tp-fields.c | ||
| openat-syscall.c | ||
| parse-events.c | ||
| parse-no-sample-id-all.c | ||
| perf-hooks.c | ||
| perf-record.c | ||
| perf-targz-src-pkg | ||
| pmu.c | ||
| python-use.c | ||
| sample-parsing.c | ||
| sdt.c | ||
| stat.c | ||
| sw-clock.c | ||
| switch-tracking.c | ||
| task-exit.c | ||
| tests.h | ||
| thread-map.c | ||
| thread-mg-share.c | ||
| topology.c | ||
| unit_number__scnprintf.c | ||
| vmlinux-kallsyms.c | ||