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perf tools: Fix arm64 libjvmti build by generating unistd_64.h

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[ Upstream commit f3b601f900 ]

Since commit 22f72088ff ("tools headers: Update the syscall table with
the kernel sources") the arm64 syscall header is generated at build
time. Later, commit bfb713ea53 ("perf tools: Fix arm64 build by
generating unistd_64.h") added a dependency to libperf to guarantee that
this header was created before building libperf or perf itself.

However, libjvmti also requires this header but does not depend on
libperf, leading to build failures such as:

  In file included from /usr/include/sys/syscall.h:24,
                   from /usr/include/syscall.h:1,
                   from jvmti/jvmti_agent.c:36:
  tools/arch/arm64/include/uapi/asm/unistd.h:2:10: fatal error: asm/unistd_64.h: No such file or directory
      2 | #include <asm/unistd_64.h>

Fix this by ensuring that libperf is built before libjvmti, so that
unistd_64.h is always available.

Fixes: 22f72088ff ("tools headers: Update the syscall table with the kernel sources")
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Vincent Minet <v.minet@criteo.com>
Link: https://lore.kernel.org/r/20250922053702.2688374-1-v.minet@criteo.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Vincent Minet 2025-09-22 07:37:02 +02:00 committed by Greg Kroah-Hartman
parent fbe6af6d82
commit 0e789f86fb
1 changed files with 1 additions and 1 deletions
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2
tools/perf/Makefile.perf
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@ -941,7 +941,7 @@ $(OUTPUT)dlfilters/%.so: $(OUTPUT)dlfilters/%.o
ifndef NO_JVMTI
LIBJVMTI_IN := $(OUTPUT)jvmti/jvmti-in.o
$(LIBJVMTI_IN): FORCE
$(LIBJVMTI_IN): prepare FORCE
$(Q)$(MAKE) -f $(srctree)/tools/build/Makefile.build dir=jvmti obj=jvmti
$(OUTPUT)$(LIBJVMTI): $(LIBJVMTI_IN)