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78d6ccce03
In some distros slang.h may be in a /usr/include 'slang' subdir, so use
the if slang is not explicitely disabled (by using NO_SLANG=1) and its
feature test for the common case (having /usr/include/slang.h) failed,
use the results for the test that checks if it is in slang/slang.h.
Change the only file in perf that includes slang.h to use
HAVE_SLANG_INCLUDE_SUBDIR and forget about this for good.
On a rhel6 system now we have:
$ /tmp/build/perf/perf -vv | grep slang
libslang: [ on ] # HAVE_SLANG_SUPPORT
$ ldd /tmp/build/perf/perf | grep libslang
libslang.so.2 => /usr/lib64/libslang.so.2 (0x00007fa2d5a8d000)
$ grep slang /tmp/build/perf/FEATURE-DUMP
feature-libslang=0
feature-libslang-include-subdir=1
$ cat /etc/redhat-release
CentOS release 6.10 (Final)
$
While on fedora:29:
$ /tmp/build/perf/perf -vv | grep slang
libslang: [ on ] # HAVE_SLANG_SUPPORT
$ ldd /tmp/build/perf/perf | grep slang
libslang.so.2 => /lib64/libslang.so.2 (0x00007f8eb11a7000)
$ grep slang /tmp/build/perf/FEATURE-DUMP
feature-libslang=1
feature-libslang-include-subdir=1
$
$ cat /etc/fedora-release
Fedora release 29 (Twenty Nine)
$
The feature-libslang-include-subdir=1 line is because the 'gettid()'
test was added to test-all.c as the new glibc has an implementation for
that, so we soon should have it not failing, i.e. should be the common
case soon. Perhaps I should move it out till it becomes the norm...
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Florian Fainelli <f.fainelli@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Fixes:
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|---|---|---|
| .. | ||
| accounting | ||
| arch | ||
| bpf | ||
| build | ||
| cgroup | ||
| crypto | ||
| debugging | ||
| firewire | ||
| firmware | ||
| gpio | ||
| hv | ||
| iio | ||
| include | ||
| io_uring | ||
| kvm/kvm_stat | ||
| laptop | ||
| leds | ||
| lib | ||
| memory-model | ||
| nfsd | ||
| objtool | ||
| pci | ||
| pcmcia | ||
| perf | ||
| power | ||
| scripts | ||
| spi | ||
| testing | ||
| thermal/tmon | ||
| time | ||
| usb | ||
| virtio | ||
| vm | ||
| wmi | ||
| Makefile | ||