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linux_dsm_epyc7002/tools/perf/lib/Build

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libperf: Make libperf.a part of the perf build Add an empty libperf.a under tools/perf/lib and link it with perf. It can also be built separately with: $ cd tools/perf/lib && make CC core.o LD libperf-in.o AR libperf.a LINK libperf.so Committer testing: $ make O=/tmp/build/perf -C tools/perf/lib/ make: Entering directory '/home/acme/git/perf/tools/perf/lib' LINK /tmp/build/perf/libperf.so make: Leaving directory '/home/acme/git/perf/tools/perf/lib' $ ls -la /tmp/build/perf/libperf.so -rwxrwxr-x. 1 acme acme 16232 Jul 22 15:30 /tmp/build/perf/libperf.so $ file /tmp/build/perf/libperf.so /tmp/build/perf/libperf.so: ELF 64-bit LSB shared object, x86-64, version 1 (SYSV), dynamically linked, BuildID[sha1]=7a51d227d871b381ddb686dcf94145c4dd908221, not stripped $ git status tools/perf On branch perf/core nothing to commit, working tree clean $ $ ls -lart tools/perf/lib/ total 16 drwxrwxr-x. 16 acme acme 4096 Jul 22 15:29 .. -rw-rw-r--. 1 acme acme 1633 Jul 22 15:29 Makefile -rw-rw-r--. 1 acme acme 0 Jul 22 15:29 core.c -rw-rw-r--. 1 acme acme 20 Jul 22 15:29 Build drwxrwxr-x. 2 acme acme 4096 Jul 22 15:29 . $ Committer notes: Need to add -I$(srctree)/tools/arch/$(ARCH)/include/uapi -I$(srctree)/tools/include/uapi to tools/perf/lib/Makefile's INCLUDE variable to pick up the latest versions of kernel headers, even in older systems, this is in line with what is in tools/lib/bpf/Makefile. Signed-off-by: Jiri Olsa <jolsa@kernel.org> Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Alexey Budankov <alexey.budankov@linux.intel.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: Michael Petlan <mpetlan@redhat.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/20190721112506.12306-24-jolsa@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2019-07-21 18:24:10 +07:00
libperf-y += core.o
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