linux_dsm_epyc7002/tools/perf/jvmti/Makefile
Stephane Eranian 7e9551bc72 perf jvmti: improve error message in Makefile
This patch improves the error message given by jvmti Makefile when the
alternatives command cannot be found. It now suggests the user locates
the root of their Java installation and pass it with JDIR=

Signed-off-by: Stephane Eranian <eranian@google.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Kan Liang <kan.liang@intel.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/1456378056-18812-1-git-send-email-eranian@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2016-02-25 10:43:28 -03:00

90 lines
1.9 KiB
Makefile

ARCH=$(shell uname -m)
ifeq ($(ARCH), x86_64)
JARCH=amd64
endif
ifeq ($(ARCH), armv7l)
JARCH=armhf
endif
ifeq ($(ARCH), armv6l)
JARCH=armhf
endif
ifeq ($(ARCH), aarch64)
JARCH=aarch64
endif
ifeq ($(ARCH), ppc64)
JARCH=powerpc
endif
ifeq ($(ARCH), ppc64le)
JARCH=powerpc
endif
DESTDIR=/usr/local
VERSION=1
REVISION=0
AGE=0
LN=ln -sf
RM=rm
SLIBJVMTI=libjvmti.so.$(VERSION).$(REVISION).$(AGE)
VLIBJVMTI=libjvmti.so.$(VERSION)
SLDFLAGS=-shared -Wl,-soname -Wl,$(VLIBJVMTI)
SOLIBEXT=so
# The following works at least on fedora 23, you may need the next
# line for other distros.
ifneq (,$(wildcard /usr/sbin/update-java-alternatives))
JDIR=$(shell /usr/sbin/update-java-alternatives -l | head -1 | cut -d ' ' -f 3)
else
ifneq (,$(wildcard /usr/sbin/alternatives))
JDIR=$(shell alternatives --display java | tail -1 | cut -d' ' -f 5 | sed 's%/jre/bin/java.%%g')
endif
endif
ifndef JDIR
$(error Could not find alternatives command, you need to set JDIR= to point to the root of your Java directory)
else
ifeq (,$(wildcard $(JDIR)/include/jvmti.h))
$(error the openjdk development package appears to me missing, install and try again)
endif
endif
$(info Using Java from $(JDIR))
# -lrt required in 32-bit mode for clock_gettime()
LIBS=-lelf -lrt
INCDIR=-I $(JDIR)/include -I $(JDIR)/include/linux
TARGETS=$(SLIBJVMTI)
SRCS=libjvmti.c jvmti_agent.c
OBJS=$(SRCS:.c=.o)
SOBJS=$(OBJS:.o=.lo)
OPT=-O2 -g -Werror -Wall
CFLAGS=$(INCDIR) $(OPT)
all: $(TARGETS)
.c.o:
$(CC) $(CFLAGS) -c $*.c
.c.lo:
$(CC) -fPIC -DPIC $(CFLAGS) -c $*.c -o $*.lo
$(OBJS) $(SOBJS): Makefile jvmti_agent.h ../util/jitdump.h
$(SLIBJVMTI): $(SOBJS)
$(CC) $(CFLAGS) $(SLDFLAGS) -o $@ $(SOBJS) $(LIBS)
$(LN) $@ libjvmti.$(SOLIBEXT)
clean:
$(RM) -f *.o *.so.* *.so *.lo
install:
-mkdir -p $(DESTDIR)/lib
install -m 755 $(SLIBJVMTI) $(DESTDIR)/lib/
(cd $(DESTDIR)/lib; $(LN) $(SLIBJVMTI) $(VLIBJVMTI))
(cd $(DESTDIR)/lib; $(LN) $(SLIBJVMTI) libjvmti.$(SOLIBEXT))
ldconfig
.SUFFIXES: .c .S .o .lo