#
# @(#)sample.makefile.txt	1.8 10/03/23
# 
# Copyright (c) 2006, 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:
# 
# -Redistribution of source code must retain the above copyright notice, this
#  list of conditions and the following disclaimer.
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# -Redistribution in binary form must reproduce the above copyright notice, 
#  this list of conditions and the following disclaimer in the documentation
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# Neither the name of Oracle or the names of contributors may 
# be used to endorse or promote products derived from this software without 
# specific prior written permission.
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# This software is provided "AS IS," without a warranty of any kind. ALL 
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# ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE
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# You acknowledge that this software is not designed, licensed or intended
# for use in the design, construction, operation or maintenance of any
# nuclear facility.
#

########################################################################
#
# Sample GNU Makefile for building JVMTI Demo waiters
#
#  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=waiters
SOURCES=waiters.cpp Agent.cpp Thread.cpp Monitor.cpp ../agent_util/agent_util.c

# Solaris Sun C Compiler Version 5.5
ifeq ($(OSNAME), solaris)
    # Tell gnumake which compilers to use
    CC=cc
    CXX=CC
    # Sun Solaris Compiler options needed
    COMMON_FLAGS=-mt -KPIC
    # Check LIBARCH for any special compiler options
    LIBARCH=$(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)
        CXXFLAGS=-xO2 $(COMMON_FLAGS) 
    else
        CXXFLAGS=-g $(COMMON_FLAGS)
    endif
    # Object files needed to create library
    OBJECTS=$(SOURCES:%.cpp=%.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.cc) -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)
        CXXFLAGS=-O2 $(COMMON_FLAGS) 
    else
        CXXFLAGS=-g $(COMMON_FLAGS) 
    endif
    # Object files needed to create library
    OBJECTS=$(SOURCES:%.cpp=%.o)
    # Library name and options needed to build it
    LIBRARY=lib$(LIBNAME).so
    LDFLAGS=-Wl,-soname=$(LIBRARY) -static-libgcc -mimpure-text
    # Libraries we are dependent on
    LIBRARIES=
    # Building a shared library
    LINK_SHARED=$(LINK.cc) -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)
        CXXFLAGS= -Ox -Op -Zi $(COMMON_FLAGS) 
    else
        CXXFLAGS= -Od -Zi $(COMMON_FLAGS) 
    endif
    # Object files needed to create library
    OBJECTS=$(SOURCES:%.cpp=%.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
CXXFLAGS += -I.
CXXFLAGS += -I../agent_util
CXXFLAGS += -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: %.cpp
	$(COMPILE.cc) $<
endif