#

# Copyright (c) 1999, 2012, Oracle and/or its affiliates. All rights reserved.

# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

#

# This code is free software; you can redistribute it and/or modify it

# under the terms of the GNU General Public License version 2 only, as

# published by the Free Software Foundation.  Oracle designates this

# particular file as subject to the "Classpath" exception as provided

# by Oracle in the LICENSE file that accompanied this code.

#

# This code is distributed in the hope that it will be useful, but WITHOUT

# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

# version 2 for more details (a copy is included in the LICENSE file that

# accompanied this code).

#

# You should have received a copy of the GNU General Public License version

# 2 along with this work; if not, write to the Free Software Foundation,

# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

#

# Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

# or visit www.oracle.com if you need additional information or have any

# questions.

#

#

# Makefile to specify compiler flags for programs and libraries

# targeted to Linux.  Should not contain any rules.

#

# WARNING: This file is shared with other workspaces. 

#          So when it includes other files, it must use JDK_TOPDIR.

#

# Warning: the following variables are overriden by Defs.gmk. Set

# values will be silently ignored:

#   CFLAGS        (set $(OTHER_CFLAGS) instead)

#   CPPFLAGS      (set $(OTHER_CPPFLAGS) instead)

#   CXXFLAGS      (set $(OTHER_CXXFLAGS) instead)

#   LDFLAGS       (set $(OTHER_LDFAGS) instead)

#   LDLIBS        (set $(EXTRA_LIBS) instead)

#   LDLIBS_COMMON (set $(EXTRA_LIBS) instead)

# Get shared JDK settings

include $(JDK_MAKE_SHARED_DIR)/Defs.gmk

# Part of INCREMENTAL_BUILD mechanism.

#   Compiler emits things like:  path/file.o: file.h

#   We want something like: relative_path/file.o relative_path/file.d: file.h

CC_DEPEND	 = -MM

CC_DEPEND_FILTER = $(SED) -e 's!$*\.$(OBJECT_SUFFIX)!$(dir $@)& $(dir $@)$*.$(DEPEND_SUFFIX)!g'

ifndef PLATFORM_SRC

  PLATFORM_SRC = $(BUILDDIR)/../src/solaris

endif # PLATFORM_SRC

# Location of the various .properties files specific to Linux platform

ifndef PLATFORM_PROPERTIES

  PLATFORM_PROPERTIES  = $(BUILDDIR)/../src/solaris/lib

endif # PLATFORM_SRC

# Platform specific closed sources

ifndef OPENJDK

  ifndef CLOSED_PLATFORM_SRC

    CLOSED_PLATFORM_SRC = $(BUILDDIR)/../src/closed/solaris

  endif

endif

# platform specific include files

PLATFORM_INCLUDE_NAME = $(PLATFORM)

PLATFORM_INCLUDE      = $(INCLUDEDIR)/$(PLATFORM_INCLUDE_NAME)

# suffix used for make dependencies files.

DEPEND_SUFFIX = d

# The suffix applied to the library name for FDLIBM

FDDLIBM_SUFFIX = a

# The suffix applied to scripts (.bat for windows, nothing for unix)

SCRIPT_SUFFIX =

# CC compiler object code output directive flag value

CC_OBJECT_OUTPUT_FLAG = -o #trailing blank required!

# The Full Debug Symbols (FDS) default for VARIANT == OPT builds is

# enabled with debug info files ZIP'ed to save space. For VARIANT !=

# OPT builds, FDS is always enabled, after all a debug build without

# debug info isn't very useful. The ZIP_DEBUGINFO_FILES option only has

# meaning when FDS is enabled.

#

# If you invoke a build with FULL_DEBUG_SYMBOLS=0, then FDS will be

# disabled for a VARIANT == OPT build.

#

# Note: Use of a different variable name for the FDS override option

# versus the FDS enabled check is intentional (FULL_DEBUG_SYMBOLS

# versus ENABLE_FULL_DEBUG_SYMBOLS). For auto build systems that pass

# in options via environment variables, use of distinct variables

# prevents strange behaviours. For example, in a VARIANT != OPT build,

# the FULL_DEBUG_SYMBOLS environment variable will be 0, but the

# ENABLE_FULL_DEBUG_SYMBOLS make variable will be 1. If the same

# variable name is used, then different values can be picked up by

# different parts of the build. Just to be clear, we only need two

# variable names because the incoming option value can be overridden

# in some situations, e.g., a VARIANT != OPT build.

ifeq ($(VARIANT), OPT)

  FULL_DEBUG_SYMBOLS ?= 1

  ENABLE_FULL_DEBUG_SYMBOLS = $(FULL_DEBUG_SYMBOLS)

else

  # debug variants always get Full Debug Symbols (if available)

  ENABLE_FULL_DEBUG_SYMBOLS = 1

endif

_JUNK_ := $(shell \

  echo >&2 "INFO: ENABLE_FULL_DEBUG_SYMBOLS=$(ENABLE_FULL_DEBUG_SYMBOLS)")

# since objcopy is optional, we set ZIP_DEBUGINFO_FILES later

ifeq ($(ENABLE_FULL_DEBUG_SYMBOLS),1)

  # Default OBJCOPY comes from GNU Binutils on Linux:

  DEF_OBJCOPY=/usr/bin/objcopy

  ifdef CROSS_COMPILE_ARCH

    # don't try to generate .debuginfo files when cross compiling

    _JUNK_ := $(shell \

      echo >&2 "INFO: cross compiling for ARCH $(CROSS_COMPILE_ARCH)," \

        "skipping .debuginfo generation.")

    OBJCOPY=

  else

    OBJCOPY=$(shell test -x $(DEF_OBJCOPY) && echo $(DEF_OBJCOPY))

    ifneq ($(ALT_OBJCOPY),)

      _JUNK_ := $(shell echo >&2 "INFO: ALT_OBJCOPY=$(ALT_OBJCOPY)")

      # disable .debuginfo support by setting ALT_OBJCOPY to a non-existent path

      OBJCOPY=$(shell test -x $(ALT_OBJCOPY) && echo $(ALT_OBJCOPY))

    endif

  endif

  # Setting ENABLE_FULL_DEBUG_SYMBOLS=1 (and OBJCOPY) above enables the

  # JDK build to import .debuginfo or .diz files from the HotSpot build.

  # However, adding FDS support to the JDK build will occur in phases

  # so a different make variable (LIBRARY_SUPPORTS_FULL_DEBUG_SYMBOLS

  # and PROGRAM_SUPPORTS_FULL_DEBUG_SYMBOLS) is used to indicate that a

  # particular library or program supports FDS.

  ifeq ($(OBJCOPY),)

    _JUNK_ := $(shell \

      echo >&2 "INFO: no objcopy cmd found so cannot create .debuginfo files.")

    ENABLE_FULL_DEBUG_SYMBOLS=0

  else

    _JUNK_ := $(shell \

      echo >&2 "INFO: $(OBJCOPY) cmd found so will create .debuginfo files.")

    # Library stripping policies for .debuginfo configs:

    #   all_strip - strips everything from the library

    #   min_strip - strips most stuff from the library; leaves minimum symbols

    #   no_strip  - does not strip the library at all

    #

    # Oracle security policy requires "all_strip". A waiver was granted on

    # 2011.09.01 that permits using "min_strip" in the Java JDK and Java JRE.

    #

    # Currently, STRIP_POLICY is only used when Full Debug Symbols is enabled.

    STRIP_POLICY ?= min_strip

    _JUNK_ := $(shell \

      echo >&2 "INFO: STRIP_POLICY=$(STRIP_POLICY)")

    # HACK: disable ZIP_DEBUGINFO_FILES by default until install repo

    # changes are promoted

    ZIP_DEBUGINFO_FILES ?= 0

    _JUNK_ := $(shell \

      echo >&2 "INFO: ZIP_DEBUGINFO_FILES=$(ZIP_DEBUGINFO_FILES)")

  endif

endif

#

# Default optimization

#

ifndef OPTIMIZATION_LEVEL

  ifeq ($(PRODUCT), java)

    OPTIMIZATION_LEVEL = HIGHER

  else

    OPTIMIZATION_LEVEL = LOWER

  endif

endif

ifndef FASTDEBUG_OPTIMIZATION_LEVEL

  FASTDEBUG_OPTIMIZATION_LEVEL = LOWER

endif

CC_OPT/NONE     = 

CC_OPT/LOWER    = -O2

CC_OPT/HIGHER   = -O3

CC_OPT/HIGHEST  = -O3

CC_OPT          = $(CC_OPT/$(OPTIMIZATION_LEVEL))

# For all platforms, do not omit the frame pointer register usage. 

#    We need this frame pointer to make it easy to walk the stacks.

#    This should be the default on X86, but ia64 and amd64 may not have this

#    as the default.

CFLAGS_REQUIRED_amd64   += -fno-omit-frame-pointer -D_LITTLE_ENDIAN

CFLAGS_REQUIRED_i586    += -fno-omit-frame-pointer -D_LITTLE_ENDIAN

CFLAGS_REQUIRED_ia64    += -fno-omit-frame-pointer -D_LITTLE_ENDIAN

CFLAGS_REQUIRED_sparcv9 += -m64 -mcpu=v9

LDFLAGS_COMMON_sparcv9  += -m64 -mcpu=v9

CFLAGS_REQUIRED_sparc   += -m32 -mcpu=v9

LDFLAGS_COMMON_sparc    += -m32 -mcpu=v9

CFLAGS_REQUIRED_arm     += -fsigned-char -D_LITTLE_ENDIAN

CFLAGS_REQUIRED_ppc     += -fsigned-char -D_BIG_ENDIAN

ifeq ($(ZERO_BUILD), true)

  CFLAGS_REQUIRED       =  $(ZERO_ARCHFLAG)

  ifeq ($(ZERO_ENDIANNESS), little)

    CFLAGS_REQUIRED     += -D_LITTLE_ENDIAN

  endif

  LDFLAGS_COMMON        += $(ZERO_ARCHFLAG)

else

  CFLAGS_REQUIRED       =  $(CFLAGS_REQUIRED_$(ARCH))

  LDFLAGS_COMMON        += $(LDFLAGS_COMMON_$(ARCH))

endif

# If this is a --hash-style=gnu system, use --hash-style=both

#   The gnu .hash section won't work on some Linux systems like SuSE 10.

_HAS_HASH_STYLE_GNU:=$(shell $(CC) -dumpspecs | $(GREP) -- '--hash-style=gnu')

ifneq ($(_HAS_HASH_STYLE_GNU),)

  LDFLAGS_HASH_STYLE = -Wl,--hash-style=both

endif

LDFLAGS_COMMON          += $(LDFLAGS_HASH_STYLE)

#

# Selection of warning messages

#

GCC_INHIBIT	= -Wno-unused -Wno-parentheses

GCC_STYLE	= 

GCC_WARNINGS	= -W -Wall $(GCC_STYLE) $(GCC_INHIBIT)

#

# Treat compiler warnings as errors, if warnings not allowed

#

ifeq ($(COMPILER_WARNINGS_FATAL),true)

  GCC_WARNINGS += -Werror

endif

#

# Misc compiler options

#

ifneq ($(ARCH),ppc)

  CFLAGS_COMMON   = -fno-strict-aliasing

endif 

PIC_CODE_LARGE = -fPIC

PIC_CODE_SMALL = -fpic

GLOBAL_KPIC = $(PIC_CODE_LARGE)

CFLAGS_COMMON   += $(GLOBAL_KPIC) $(GCC_WARNINGS)

ifeq ($(ARCH), amd64)

 CFLAGS_COMMON += -pipe

endif

# Linux 64bit machines use Dwarf2, which can be HUGE, have fastdebug use -g1

DEBUG_FLAG = -g

ifeq ($(FASTDEBUG), true)

  ifeq ($(ARCH_DATA_MODEL), 64)

    DEBUG_FLAG = -g1

  endif

endif

# DEBUG_BINARIES overrides everything, use full -g debug information

ifeq ($(DEBUG_BINARIES), true)

  DEBUG_FLAG = -g

  CFLAGS_REQUIRED += $(DEBUG_FLAG)

endif

# If Full Debug Symbols is enabled, then we want the same debug and

# optimization flags as used by FASTDEBUG.

#

ifeq ($(ENABLE_FULL_DEBUG_SYMBOLS),1)

  ifeq ($(LIBRARY_SUPPORTS_FULL_DEBUG_SYMBOLS),1)

    ifeq ($(VARIANT), OPT)

      CC_OPT = $(DEBUG_FLAG) $(CC_OPT/$(FASTDEBUG_OPTIMIZATION_LEVEL))

    endif

  endif

endif

CFLAGS_OPT      = $(CC_OPT)

CFLAGS_DBG      = $(DEBUG_FLAG)

CFLAGS_COMMON += $(CFLAGS_REQUIRED)

CXXFLAGS_COMMON = $(GLOBAL_KPIC) -DCC_NOEX $(GCC_WARNINGS)

CXXFLAGS_OPT	= $(CC_OPT)

CXXFLAGS_DBG	= $(DEBUG_FLAG)

CXXFLAGS_COMMON += $(CFLAGS_REQUIRED)

# FASTDEBUG: Optimize the code in the -g versions, gives us a faster debug java

ifeq ($(FASTDEBUG), true)

  CFLAGS_DBG    += $(CC_OPT/$(FASTDEBUG_OPTIMIZATION_LEVEL))

  CXXFLAGS_DBG	+= $(CC_OPT/$(FASTDEBUG_OPTIMIZATION_LEVEL))

endif

CPP_ARCH_FLAGS = -DARCH='"$(ARCH)"'

# Alpha arch does not like "alpha" defined (potential general arch cleanup issue here)

ifneq ($(ARCH),alpha)

  CPP_ARCH_FLAGS += -D$(ARCH)

else

  CPP_ARCH_FLAGS += -D_$(ARCH)_

endif

CPPFLAGS_COMMON = $(CPP_ARCH_FLAGS) -DLINUX $(VERSION_DEFINES) \

		  -D_LARGEFILE64_SOURCE -D_GNU_SOURCE -D_REENTRANT

ifeq ($(ARCH_DATA_MODEL), 64)

CPPFLAGS_COMMON += -D_LP64=1

endif

CPPFLAGS_OPT    = -DNDEBUG

CPPFLAGS_DBG    = -DDEBUG

ifneq ($(PRODUCT), java)

  CPPFLAGS_DBG    += -DLOGGING 

endif

ifdef LIBRARY

  # Libraries need to locate other libraries at runtime, and you can tell

  #   a library where to look by way of the dynamic runpaths (RPATH or RUNPATH)

  #   buried inside the .so. The $ORIGIN says to look relative to where

  #   the library itself is and it can be followed with relative paths from

  #   that. By default we always look in $ORIGIN, optionally we add relative

  #   paths if the Makefile sets LD_RUNPATH_EXTRAS to those relative paths.

  #   On Linux we add a flag -z origin, not sure if this is necessary, but 

  #   doesn't seem to hurt.

  #   The environment variable LD_LIBRARY_PATH will over-ride these runpaths.

  #   Try: 'readelf -d lib*.so' to see these settings in a library.

  #

  Z_ORIGIN_FLAG/sparc = -Xlinker -z -Xlinker origin

  Z_ORIGIN_FLAG/i586  = -Xlinker -z -Xlinker origin

  Z_ORIGIN_FLAG/amd64 = -Xlinker -z -Xlinker origin 

  Z_ORIGIN_FLAG/ia64  = -Xlinker -z -Xlinker origin

  Z_ORIGIN_FLAG/arm   = 

  Z_ORIGIN_FLAG/ppc   =

  Z_ORIGIN_FLAG/zero  = -Xlinker -z -Xlinker origin

  LDFLAG_Z_ORIGIN = $(Z_ORIGIN_FLAG/$(ARCH_FAMILY))

  LDFLAGS_COMMON += $(LDFLAG_Z_ORIGIN) -Xlinker -rpath -Xlinker \$$ORIGIN

  LDFLAGS_COMMON += $(LD_RUNPATH_EXTRAS:%=$(LDFLAG_Z_ORIGIN) -Xlinker -rpath -Xlinker \$$ORIGIN/%)

endif

EXTRA_LIBS += -lc

LDFLAGS_DEFS_OPTION  = -Xlinker -z -Xlinker defs

LDFLAGS_COMMON  += $(LDFLAGS_DEFS_OPTION)

#

# -L paths for finding and -ljava

#

LDFLAGS_OPT     = -Xlinker -O1

LDFLAGS_COMMON += -L$(LIBDIR)/$(LIBARCH)

LDFLAGS_COMMON += -Wl,-soname=$(LIB_PREFIX)$(LIBRARY).$(LIBRARY_SUFFIX)

#

# -static-libgcc is a gcc-3 flag to statically link libgcc, gcc-2.9x always

# statically link libgcc but will print a warning with the flag. We don't 

# want the warning, so check gcc version first.

#

ifeq ($(CC_MAJORVER),3)

  OTHER_LDFLAGS  += -static-libgcc

endif

# Automatic precompiled header option to use (if COMPILE_APPROACH=batch)

#   (See Rules.gmk) The gcc 5 compiler might have an option for this?

AUTOMATIC_PCH_OPTION = 

#

# Post Processing of libraries/executables

#

ifeq ($(VARIANT), OPT)

  ifneq ($(NO_STRIP), true)

    ifneq ($(DEBUG_BINARIES), true)

      # Debug 'strip -g' leaves local function Elf symbols (better stack

      # traces)

      POST_STRIP_PROCESS = $(STRIP) -g

    endif

  endif

endif

#

# Use: ld $(LD_MAPFILE_FLAG) mapfile *.o

#

LD_MAPFILE_FLAG = -Xlinker --version-script -Xlinker

#

# Support for Quantify.

#

ifdef QUANTIFY

QUANTIFY_CMD = quantify

QUANTIFY_OPTIONS = -cache-dir=/tmp/quantify -always-use-cache-dir=yes

LINK_PRE_CMD = $(QUANTIFY_CMD) $(QUANTIFY_OPTIONS)

endif

#

# Path and option to link against the VM, if you have to.  Note that

# there are libraries that link against only -ljava, but they do get

# -L to the -ljvm, this is because -ljava depends on -ljvm, whereas

# the library itself should not.

#

VM_NAME         = server

JVMLIB          = -L$(LIBDIR)/$(LIBARCH)/$(VM_NAME) -ljvm

JAVALIB         = -ljava $(JVMLIB)

#

# We want to privatize JVM symbols on Solaris. This is so the user can

# write a function called FindClass and this should not override the 

# FindClass that is inside the JVM. At this point in time we are not

# concerned with other JNI libraries because we hope that there will

# not be as many clashes there.

#

PRIVATIZE_JVM_SYMBOLS = false

USE_PTHREADS = true

override ALT_CODESET_KEY         = _NL_CTYPE_CODESET_NAME

override AWT_RUNPATH             =

override HAVE_ALTZONE            = false

override HAVE_FILIOH             = false

override HAVE_GETHRTIME          = false

override HAVE_GETHRVTIME         = false

override HAVE_SIGIGNORE          = true

override LEX_LIBRARY             = -lfl

ifeq ($(STATIC_CXX),true)

override LIBCXX                  = -Wl,-Bstatic -lstdc++ -lgcc -Wl,-Bdynamic

else

override LIBCXX                  = -lstdc++

endif

override LIBPOSIX4               =

override LIBSOCKET               =

override LIBNSL                  =

override LIBSCF                  =

override LIBTHREAD               =

override LIBDL                   = -ldl

override MOOT_PRIORITIES         = true

override NO_INTERRUPTIBLE_IO     = true

ifeq ($(ARCH), amd64)

override OPENWIN_LIB             = $(OPENWIN_HOME)/lib64

else

override OPENWIN_LIB             = $(OPENWIN_HOME)/lib

endif

override OTHER_M4FLAGS           = -D__GLIBC__ -DGNU_ASSEMBLER

override SUN_CMM_SUBDIR          =

override THREADS_FLAG            = native

override USE_GNU_M4              = true

override USING_GNU_TAR           = true

override WRITE_LIBVERSION        = false

# USE_EXECNAME forces the launcher to look up argv[0] on $PATH, and put the

# resulting resolved absolute name of the executable in the environment

# variable EXECNAME.  That executable name is then used that to locate the

# installation area.

override USE_EXECNAME            = true

# If your platform has DPS, it will have Type1 fonts too, in which case

# it is best to enable DPS support until such time as 2D's rasteriser

# can fully handle Type1 fonts in all cases. Default is "yes".

# HAVE_DPS should only be "no" if the platform has no DPS headers or libs

# DPS (Displayable PostScript) is available on Solaris machines

HAVE_DPS = no

#

# Japanese manpages

#

JA_SOURCE_ENCODING = eucJP

JA_TARGET_ENCODINGS = UTF-8

# Settings for the JDI - Serviceability Agent binding.

HOTSPOT_SALIB_PATH   = $(HOTSPOT_IMPORT_PATH)/jre/lib/$(LIBARCH)

SALIB_NAME = $(LIB_PREFIX)saproc.$(LIBRARY_SUFFIX)

SA_DEBUGINFO_NAME = $(LIB_PREFIX)saproc.debuginfo

SA_DIZ_NAME = $(LIB_PREFIX)saproc.diz

# The JDI - Serviceability Agent binding is not currently supported

# on Linux-ia64.

ifeq ($(ARCH), ia64)

  INCLUDE_SA = false

else

  INCLUDE_SA = true

endif

ifdef CROSS_COMPILE_ARCH

  # X11 headers are not under /usr/include

  OTHER_CFLAGS += -I$(OPENWIN_HOME)/include

  OTHER_CXXFLAGS += -I$(OPENWIN_HOME)/include

  OTHER_CPPFLAGS += -I$(OPENWIN_HOME)/include

endif