[PATCH 5/6] perf tools: disable JVMTI if no ELF support available

From: David Carrillo-Cisneros
Date: Wed Apr 12 2017 - 13:08:38 EST


The build of JVMTI depends on LIBELF (-lelf). Make Makefile.conf
check this dependendancy and notify user when not present.

v2: Comma nitpicking.

Signed-off-by: David Carrillo-Cisneros <davidcc@xxxxxxxxxx>
---
tools/perf/Makefile.config | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/tools/perf/Makefile.config b/tools/perf/Makefile.config
index cfd6015229a2..279c303b2c22 100644
--- a/tools/perf/Makefile.config
+++ b/tools/perf/Makefile.config
@@ -274,6 +274,7 @@ ifdef NO_LIBELF
NO_LIBUNWIND := 1
NO_LIBDW_DWARF_UNWIND := 1
NO_LIBBPF := 1
+ NO_JVMTI := 1
else
ifeq ($(feature-libelf), 0)
ifeq ($(feature-glibc), 1)
@@ -283,7 +284,7 @@ else
LIBC_SUPPORT := 1
endif
ifeq ($(LIBC_SUPPORT),1)
- msg := $(warning No libelf found, disables 'probe' tool and BPF support in 'perf record', please install libelf-dev, libelf-devel or elfutils-libelf-devel);
+ msg := $(warning No libelf found. Disables 'probe' tool, jvmti and BPF support in 'perf record'. Please install libelf-dev, libelf-devel or elfutils-libelf-devel);

NO_LIBELF := 1
NO_DWARF := 1
@@ -291,6 +292,7 @@ else
NO_LIBUNWIND := 1
NO_LIBDW_DWARF_UNWIND := 1
NO_LIBBPF := 1
+ NO_JVMTI := 1
else
ifneq ($(filter s% -static%,$(LDFLAGS),),)
msg := $(error No static glibc found, please install glibc-static);
--
2.12.2.715.g7642488e1d-goog