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Subject[tip:perf/core] perf build: Add missing FEATURE_CHECK_LDFLAGS-libcrypto
Commit-ID:  271402a3e97e3b9a4ce1e322a5f66c493122e1ec
Gitweb: https://git.kernel.org/tip/271402a3e97e3b9a4ce1e322a5f66c493122e1ec
Author: Arnaldo Carvalho de Melo <acme@redhat.com>
AuthorDate: Tue, 12 Feb 2019 16:19:45 -0300
Committer: Arnaldo Carvalho de Melo <acme@redhat.com>
CommitDate: Thu, 14 Feb 2019 15:18:05 -0300

perf build: Add missing FEATURE_CHECK_LDFLAGS-libcrypto

When the libcrypto feature test was added we forgot to add its
FEATURE_CHECK_LDFLAGS pointing to the library needed to link with the
test-all.bin feature test fast path binary, so even when it was
introduced we got this:

$ cat /tmp/build/perf/feature/test-all.make.output
/usr/bin/ld: /tmp/ccjKeJJU.o: in function `main_test_libcrypto':
/home/acme/git/perf/tools/build/feature/test-libcrypto.c:10: undefined reference to `MD5_Init'
/usr/bin/ld: /home/acme/git/perf/tools/build/feature/test-libcrypto.c:11: undefined reference to `MD5_Update'
/usr/bin/ld: /home/acme/git/perf/tools/build/feature/test-libcrypto.c:12: undefined reference to `MD5_Final'
/usr/bin/ld: /home/acme/git/perf/tools/build/feature/test-libcrypto.c:14: undefined reference to `SHA1'
collect2: error: ld returned 1 exit status
$ cat /tmp/build/perf/feature/test-libcrypto.
test-libcrypto.bin test-libcrypto.d test-libcrypto.make.output
$ cat /tmp/build/perf/feature/test-libcrypto.make.output
$

Fix it, so that we keep the fast path, which, at this point, will fail
with the unwind-ARCH feature tests, that will be fixed in a followup
patch:

$ make -C tools/perf O=/tmp/build/perf
... libcrypto: [ on ]
<SNIP>
$ cat /tmp/build/perf/feature/test-all.make.output
$ ldd /tmp/build/perf/feature/test-all.bin | grep libcrypto
libcrypto.so.1.1 => /lib64/libcrypto.so.1.1 (0x00007f9892805000)
$
$ grep libcrypto /tmp/build/perf/FEATURE-DUMP
feature-libcrypto=1
$

With the unwind-ARCH tests fixed, we now finally manage to get
test-all.bin built and linked with the features it tests, among them the
ones fixed in this patchkit:

$ ldd /tmp/build/perf/feature/test-all.bin | egrep 'unwind|crypto'
libcrypto.so.1.1 => /lib64/libcrypto.so.1.1 (0x00007f95cf2b8000)
libunwind-x86_64.so.8 => /lib64/libunwind-x86_64.so.8 (0x00007f95cf294000)
libunwind.so.8 => /lib64/libunwind.so.8 (0x00007f95cf278000)
$

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Carl Love <cel@us.ibm.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: John McCutchan <johnmccutchan@google.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Pawel Moll <pawel.moll@arm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Sonny Rao <sonnyrao@chromium.org>
Cc: Stephane Eranian <eranian@google.com>
Cc: Sukadev Bhattiprolu <sukadev@linux.vnet.ibm.com>
Fixes: 8ee4646038e4 ("perf build: Add libcrypto feature detection")
Link: https://lkml.kernel.org/n/tip-rexc248jorf5b4l3qjn888cz@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
tools/perf/Makefile.config | 2 ++
1 file changed, 2 insertions(+)

diff --git a/tools/perf/Makefile.config b/tools/perf/Makefile.config
index 4b735042cad7..0f11d5891301 100644
--- a/tools/perf/Makefile.config
+++ b/tools/perf/Makefile.config
@@ -114,6 +114,8 @@ FEATURE_CHECK_LDFLAGS-libunwind-aarch64 = -lunwind -lunwind-aarch64
FEATURE_CHECK_LDFLAGS-libunwind-x86 = -lunwind -llzma -lunwind-x86
FEATURE_CHECK_LDFLAGS-libunwind-x86_64 = -lunwind -llzma -lunwind-x86_64

+FEATURE_CHECK_LDFLAGS-libcrypto = -lcrypto
+
ifdef CSINCLUDES
LIBOPENCSD_CFLAGS := -I$(CSINCLUDES)
endif
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