#

# Copyright (c) 2004, 2012, Oracle and/or its affiliates. All rights reserved.

#

# Redistribution and use in source and binary forms, with or without

# modification, are permitted provided that the following conditions

# are met:

#

#   - Redistributions of source code must retain the above copyright

#     notice, this list of conditions and the following disclaimer.

#

#   - Redistributions in binary form must reproduce the above copyright

#     notice, this list of conditions and the following disclaimer in the

#     documentation and/or other materials provided with the distribution.

#

#   - Neither the name of Oracle nor the names of its

#     contributors may be used to endorse or promote products derived

#     from this software without specific prior written permission.

#

# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS

# IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,

# THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR

# PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR

# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,

# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,

# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR

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# LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING

# NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS

# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

#

########################################################################

#

# Sample GNU Makefile for building JVMTI Demo gctest

#

#  Example uses:    

#       gnumake JDK=<java_home> OSNAME=solaris [OPT=true] [LIBARCH=sparc]

#       gnumake JDK=<java_home> OSNAME=solaris [OPT=true] [LIBARCH=sparcv9]

#       gnumake JDK=<java_home> OSNAME=linux   [OPT=true]

#       gnumake JDK=<java_home> OSNAME=win32   [OPT=true]

#

########################################################################

# Source lists

LIBNAME=gctest

SOURCES=gctest.c ../agent_util/agent_util.c

# Solaris Sun C Compiler Version 5.5

ifeq ($(OSNAME), solaris)

    # Sun Solaris Compiler options needed

    COMMON_FLAGS=-mt -KPIC

    # Options that help find errors

    COMMON_FLAGS+= -Xa -v -xstrconst -xc99=%none

    # Check LIBARCH for any special compiler options

    LIBARCH=$(shell uname -p)

    ifeq ($(LIBARCH), sparc)

        COMMON_FLAGS+=-xarch=v8 -xregs=no%appl

    endif

    ifeq ($(LIBARCH), sparcv9)

        COMMON_FLAGS+=-xarch=v9 -xregs=no%appl

    endif

    ifeq ($(OPT), true)

        CFLAGS=-xO2 $(COMMON_FLAGS) 

    else

        CFLAGS=-g $(COMMON_FLAGS)

    endif

    # Object files needed to create library

    OBJECTS=$(SOURCES:%.c=%.o)

    # Library name and options needed to build it

    LIBRARY=lib$(LIBNAME).so

    LDFLAGS=-z defs -ztext

    # Libraries we are dependent on

    LIBRARIES= -lc

    # Building a shared library

    LINK_SHARED=$(LINK.c) -G -o $@

endif

# Linux GNU C Compiler

ifeq ($(OSNAME), linux)

    # GNU Compiler options needed to build it

    COMMON_FLAGS=-fno-strict-aliasing -fPIC -fno-omit-frame-pointer

    # Options that help find errors

    COMMON_FLAGS+= -W -Wall  -Wno-unused -Wno-parentheses

    ifeq ($(OPT), true)

        CFLAGS=-O2 $(COMMON_FLAGS) 

    else

        CFLAGS=-g $(COMMON_FLAGS) 

    endif

    # Object files needed to create library

    OBJECTS=$(SOURCES:%.c=%.o)

    # Library name and options needed to build it

    LIBRARY=lib$(LIBNAME).so

    LDFLAGS=-Wl,-soname=$(LIBRARY) -static-libgcc

    # Libraries we are dependent on

    LIBRARIES=-lc

    # Building a shared library

    LINK_SHARED=$(LINK.c) -shared -o $@

endif

# Windows Microsoft C/C++ Optimizing Compiler Version 12

ifeq ($(OSNAME), win32)

    CC=cl

    # Compiler options needed to build it

    COMMON_FLAGS=-Gy -DWIN32

    # Options that help find errors

    COMMON_FLAGS+=-W0 -WX

    ifeq ($(OPT), true)

        CFLAGS= -Ox -Op -Zi $(COMMON_FLAGS) 

    else

        CFLAGS= -Od -Zi $(COMMON_FLAGS) 

    endif

    # Object files needed to create library

    OBJECTS=$(SOURCES:%.c=%.obj)

    # Library name and options needed to build it

    LIBRARY=$(LIBNAME).dll

    LDFLAGS=

    # Libraries we are dependent on

    LIBRARIES=

    # Building a shared library

    LINK_SHARED=link -dll -out:$@

endif

# Common -I options

CFLAGS += -I.

CFLAGS += -I../agent_util

CFLAGS += -I$(JDK)/include -I$(JDK)/include/$(OSNAME)

# Default rule

all: $(LIBRARY)

# Build native library

$(LIBRARY): $(OBJECTS)

	$(LINK_SHARED) $(OBJECTS) $(LIBRARIES)

# Cleanup the built bits

clean:

	rm -f $(LIBRARY) $(OBJECTS)

# Simple tester

test: all

	LD_LIBRARY_PATH=`pwd` $(JDK)/bin/java -agentlib:$(LIBNAME) -version

# Compilation rule only needed on Windows

ifeq ($(OSNAME), win32)

%.obj: %.c

	$(COMPILE.c) $<

endif