#

# Copyright 1995-2008 Sun Microsystems, Inc.  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.  Sun designates this

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

# by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,

# CA 95054 USA or visit www.sun.com if you need additional information or

# have any questions.

#

#

# Makefile to specify compiler flags for programs and libraries

# targeted to Solaris.  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 overridden 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)

#   LINTFLAGS     (set $(OTHER_LINTFLAGS) instead)

#

# Note: CPPFLAGS are used in C and C++ compiles.

#

# Get shared JDK settings

include $(JDK_MAKE_SHARED_DIR)/Defs.gmk

ifndef PLATFORM_SRC

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

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

# suffix used for lint files

LINT_SUFFIX = ln

# 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!

CC_PROGRAM_OUTPUT_FLAG = -o #trailing blank required!

#

# Default HPI libraries. Build will build only native unless

# overriden at the make command line. This makes it convenient for

# people doing, say, a pthreads port -- they can create a posix

# directory here, and say "gnumake HPIS=posix" at the top

# level.

#

HPIS = native

#

# Java default optimization (-x04/-O2) etc.  Applies to the VM.

#

ifndef OPTIMIZATION_LEVEL

  ifeq ($(PRODUCT), java)

    OPTIMIZATION_LEVEL = HIGHER

  else

    OPTIMIZATION_LEVEL = LOWER

  endif

endif

#

# If -Xa is in CFLAGS_COMMON it will end up ahead of $(CC_OPT) for the

# optimized build, and that ordering of the flags completely freaks

# out cc.  Hence, -Xa is instead in each CFLAGS variant.

#

# The more unusual options to the Sun C compiler:

#	-v		Stricter type checking, more error checking

#			(To turn ALL warnings into fatals, use -errwarn=%all)

#	-xstrconst	Place string literals and constants in read-only area

#			(means you can't write on your string literals)

#	-xs		Force debug information (stabs) into the .so or a.out

#			(makes the library/executable debuggable without the

#			.o files needing to be around, but at a space cost)

#	-g & -O		If you add the -g option to the optimized compiles

#			you will get better stack retraces, the code is

#			still optimized. This includes a space cost too.

#       -xc99=%none     Do NOT allow for c99 extensions to be used.

#                       e.g. declarations must precede statements

#       -xCC            Allow the C++ style of comments in C: //

#                       Required with many of the source files.

#       -mt             Assume multi-threaded (important)

#

# The more unusual options to the Sun C compiler:

#       +w              Print more warnings

#       +w2             Maximum warnings

#

#

# Debug flag for C and C++ compiler

#

CFLAGS_DEBUG_OPTION    = -g $(CC_OPT/NONE)

CXXFLAGS_DEBUG_OPTION  = -g $(CXX_OPT/NONE)

# Turn off -g if we are doing tcov build

ifdef TCOV_BUILD

  CFLAGS_DEBUG_OPTION=

  CXXFLAGS_DEBUG_OPTION=

endif

# FASTDEBUG: Optimize the -g builds, gives us a faster debug java

#        If true adds -O to the debug compiles. This allows for any assert

#        tests to remain and debug checking. The resulting code is faster

#        but less debuggable.  Stack traces are still valid, although only

#        approximate line numbers are given. Printing of local variables

#        during a debugging session is not possible, but stepping and

#        printing of global or static variables should be possible.

#        Performance/size of files should be about the same, maybe smaller.

#

ifeq ($(FASTDEBUG), true)

  CFLAGS_DEBUG_OPTION    = -g  $(CC_OPT/LOWER)

  CXXFLAGS_DEBUG_OPTION  = -g0 $(CXX_OPT/LOWER)

endif

CFLAGS_COMMON   = -L$(OBJDIR)

# Do not allow C99 language features like declarations in code etc.

CFLAGS_COMMON  += -xc99=%none

# Allow C++ comments in C code

CFLAGS_COMMON  += -xCC

# Show error message tags on errors

CFLAGS_COMMON   += -errshort=tags

CXXFLAGS_COMMON += -errtags=yes

# Optimization flags

CFLAGS_OPT      = $(CC_OPT)

# Debug version flags

CFLAGS_DBG      = $(CFLAGS_DEBUG_OPTION)

# Required C compiler flags

CFLAGS_COMMON  += -Xa $(CFLAGS_REQUIRED)

# Maximum warnings all the time

CXXFLAGS_COMMON += +w

CFLAGS_COMMON   += -v

# Assume MT behavior all the time (important)

CXXFLAGS_COMMON += -mt

CFLAGS_COMMON   += -mt

# Assume no C++ exceptions are used

CXXFLAGS_COMMON += -features=no%except -DCC_NOEX

# For C++, these options tell it to assume nothing about locating libraries

#    either at compile time, or at runtime. Use of these options will likely

#    require the use of -L and -R options to indicate where libraries will

#    be found at compile time (-L) and at runtime (-R).

#    The /usr/lib location comes for free, so no need to specify that one.

#    Note: C is much simplier and there is no need for these options. This

#          is mostly needed to avoid dependencies on libraries in the

#          Compiler install area, also see LIBCXX and LIBM.

CXXFLAGS_COMMON += -norunpath -xnolib

#

# Treat compiler warnings as errors, if requested

#

ifeq ($(COMPILER_WARNINGS_FATAL),true)

  CFLAGS_COMMON += -errwarn=%all

  CXXFLAGS_COMMON += -errwarn=%all

endif

CXXFLAGS_OPT	= $(CXX_OPT)

CXXFLAGS_DBG	= $(CXXFLAGS_DEBUG_OPTION)

CXXFLAGS_COMMON += $(CFLAGS_REQUIRED)

# Add -xstrconst to the library compiles. This forces all string

#  literals into the read-only data section, which prevents them from

#  being written to and increases the runtime pages shared on the system.

#

ifdef LIBRARY

  CFLAGS_COMMON +=-xstrconst

endif

# Source browser database

#

# COMPILE_WITH_SB    

#        If defined adds -xsb to compiles and creates a

#        source browsing database during compilation.

#

ifdef COMPILE_WITH_SB

  ifeq ($(LIBRARY), java)

    CFLAGS_DBG +=   -xsb

  endif

endif

# Lint Flags:

#	-Xa			ANSI C plus K&R, favor ANSI rules

#	-fd			report on old style func defs

#	-errchk=structarg	report on 64bit struct args by value

#	-errchk=longptr64	report on 64bit to 32bit issues (ignores casts)

#	-errchk=parentheses	report on suggested use of extra parens

#	-v 			suppress unused args

#	-x			suppress unused externs

#	-u			suppress extern func/vars used/defined

#	-errfmt=simple		use one line errors with position info

#       $(LINT_XARCH_OPTION)    See Compiler-sun.gwk

LINTFLAGS_COMMON  = -Xa

LINTFLAGS_COMMON += -fd 

LINTFLAGS_COMMON += -errchk=structarg,longptr64,parentheses

LINTFLAGS_COMMON += -v

LINTFLAGS_COMMON += -x 

LINTFLAGS_COMMON += -u

LINTFLAGS_COMMON += -errfmt=simple 

LINTFLAGS_OPT   = 

LINTFLAGS_DBG   =

# The -W0,-noglobal tells the compiler to NOT generate mangled global

#    ELF data symbols for file local static data.

#    This can break fix&continue, but we'd rather do the same compilations

#    for deliverable bits as we do for non-deliverable bits

#    Tell the compilers to never generate globalized names, all the time.

CFLAGS_COMMON += -W0,-noglobal

# If we have a specific arch value to use, add it

CFLAGS_COMMON    += $(XARCH_OPTION)

CXXFLAGS_COMMON  += $(XARCH_OPTION)

ASFLAGS_COMMON   += $(AS_XARCH_OPTION)

EXTRA_LIBS       += $(XARCH_OPTION)

LINTFLAGS_COMMON += $(LINT_XARCH_OPTION)

#

# uncomment the following to build with PERTURBALOT set

#

# OTHER_CFLAGS += -DPERTURBALOT

#

CPPFLAGS_COMMON = -D__solaris__  -D$(ARCH_FAMILY)

CPPFLAGS_OPT    = -DNDEBUG

CPPFLAGS_DBG    = -DDEBUG

ifneq ($(PRODUCT), java)

  CPPFLAGS_DBG    += -DLOGGING -DDBINFO

endif

ifeq ($(ARCH_FAMILY), i586)

  # The macro _LITTLE_ENDIAN needs to be defined the same to avoid the

  #   Sun C compiler warning message: warning: macro redefined: _LITTLE_ENDIAN

  #   (The Solaris X86 system defines this in file /usr/include/sys/isa_defs.h).

  #   Note: -Dmacro         is the same as    #define macro 1

  #         -Dmacro=	    is the same as    #define macro

  #

  CPPFLAGS_COMMON +=  -DcpuIntel -D_LITTLE_ENDIAN= -D$(LIBARCH)

  # Turn off a superfluous compiler error message on Intel

  CFLAGS_COMMON += -erroff=E_BAD_PRAGMA_PACK_VALUE

endif

# Java memory management is based on memory mapping by default, but a

# system only assuming malloc/free can be built by adding -DUSE_MALLOC 

CPPFLAGS_COMMON	+= -DTRACING -DMACRO_MEMSYS_OPS -DBREAKPTS

CPPFLAGS_OPT	+= -DTRIMMED

LDFLAGS_DEFS_OPTION  = -z defs

LDFLAGS_COMMON  += $(LDFLAGS_DEFS_OPTION)

#

# -L paths for finding and -ljava

#

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

LDFLAGS_OPT     =

LDFLAGS_DBG     =

#

# We never really want the incremental linker, ever

#    The -xildoff option tells Sun's compilers to NOT use incremental linker

#

LDFLAGS_COMMON  += -xildoff

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.

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

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

  #

  LDFLAGS_COMMON += -R\$$ORIGIN

  LDFLAGS_COMMON += $(LD_RUNPATH_EXTRAS:%=-R\$$ORIGIN/%)

endif

EXTRA_LIBS += -lc

# Postprocessing is done on the images directories only

#

ifeq ($(VARIANT), OPT)

  ifeq ($(PARTIAL_GPROF), true)

    NO_STRIP = true

  endif

  ifeq ($(GPROF), true)

    NO_STRIP = true

  endif

  ifneq ($(NO_STRIP), true)

    # Debug 'strip -x' leaves local function Elf symbols (better stack traces)

    POST_STRIP_PROCESS = $(STRIP) -x

  endif

endif

POST_MCS_PROCESS=$(MCS) -d -a "JDK $(FULL_VERSION)"

#

# Sun C compiler will take -M and pass it on to ld.

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

#

ifeq ($(CC_VERSION),gcc)

LD_MAPFILE_FLAG = -Xlinker -M -Xlinker

else

LD_MAPFILE_FLAG = -M

endif

#

# Variables globally settable from the make command line (default

# values in brackets):

#	GPROF (false)

# Eg: 	% gnumake GPROF=true

GPROF = false

ifeq ($(GPROF), true)

    CFLAGS_COMMON += -DGPROF -xpg

    EXTRA_LIBS += -xpg

endif

# PARTIAL_GPROF is to be used ONLY during compilation - it should not

# appear during linking of libraries or programs.  It also should

# prevent linking with -z defs to allow a symbol to remain undefined.

#

PARTIAL_GPROF = false

ifeq ($(PARTIAL_GPROF), true)

  CFLAGS_GPROF += -xpg

  LDFLAGS_DEFS_OPTION  = -z nodefs

endif

#

# For a TCOV build we add in the TCOV_OPTION

#

ifdef TCOV_BUILD

  TCOV_OPTION		= -xprofile=tcov

  LDFLAGS_COMMON 	+= $(TCOV_OPTION) -Kpic

  CFLAGS_COMMON  	+= $(TCOV_OPTION)

  CXXFLAGS_COMMON 	+= $(TCOV_OPTION)

  EXTRA_LIBS 	+= $(TCOV_OPTION)

  LDNOMAP=true

endif

#

# Solaris only uses native threads. 

#

THREADS_FLAG=	native

THREADS_DIR=	threads

#

# 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)

  ifdef LIBRARY

    CFLAGS_COMMON += -K PIC

  endif

endif

#

# Support for Purify.

#

ifdef PURIFY

  PURIFY_CMD = /net/suntools.eng/export/tools/sparc/bin/purify

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

  LINK_PRE_CMD = $(PURIFY_CMD) $(PURIFY_OPTIONS)

  ifdef LIBRARY

    CFLAGS_COMMON += -K PIC

  endif

endif

#

# Different "levels" of optimization.

#

ifeq ($(CC_VERSION),gcc)

  CC_OPT/NONE     =

  CC_OPT/LOWER    = -O2

  CC_OPT/HIGHER   = -O3

  CC_OPT/HIGHEST  = -O3

  CXX_OPT/NONE    =

  CXX_OPT/LOWER   = -O2

  CXX_OPT/HIGHER  = -O3

  CXX_OPT/HIGHEST = -O3

  CFLAGS_REQUIRED_i586  += -fno-omit-frame-pointer

  CFLAGS_REQUIRED_amd64 += -fno-omit-frame-pointer

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

  #   (See Rules.gmk) May need to wait for gcc 5?

  AUTOMATIC_PCH_OPTION = 

else

  # Highest could be -xO5, but indications are that -xO5 should be reserved

  #    for a per-file use, on sources with known performance impacts.

  OPT_LEVEL/LOWER    = 2

  OPT_LEVEL/HIGHER   = 4

  OPT_LEVEL/HIGHEST  = 4

  CC_OPT/NONE     =

  CC_OPT/LOWER    = $(OPT_LEVEL/LOWER:%=-xO%)

  CC_OPT/HIGHER   = $(OPT_LEVEL/HIGHER:%=-xO%)

  CC_OPT/HIGHEST  = $(OPT_LEVEL/HIGHEST:%=-xO%)

  CXX_OPT/NONE    =

  CXX_OPT/LOWER   = $(OPT_LEVEL/LOWER:%=-xO%)

  CXX_OPT/HIGHER  = $(OPT_LEVEL/HIGHER:%=-xO%)

  CXX_OPT/HIGHEST = $(OPT_LEVEL/HIGHEST:%=-xO%)

  # We need stack frames at all times

  USE_XKEEPFRAME_OPTION = false

  ifeq ($(USE_XKEEPFRAME_OPTION),true)

    # Unknown spelling on this option at this time (Maybe in SS13?)

    CC_XKEEPFRAME_OPTIONS  = -xkeepframe

    CXX_XKEEPFRAME_OPTIONS = -xkeepframe

  else

    # On X86, make sure tail call optimization is off

    #    The z and y are the tail call optimizations.

    ifeq ($(ARCH_FAMILY), i586)

      ifeq ($(shell $(EXPR) $(CC_VER) \> 5.8), 1)

        # Somehow, tail call optimization is creeping in.

        #    Make sure it is off.

	# WARNING: These may cause compiler warnings about duplicate -O options

        CC_XKEEPFRAME_OPTIONS  += -Wu,-O$(OPT_LEVEL/$(OPTIMIZATION_LEVEL))~yz

        CXX_XKEEPFRAME_OPTIONS += -Qoption ube -O$(OPT_LEVEL/$(OPTIMIZATION_LEVEL))~yz

      endif

    endif

    #  On i586 we need to tell the code generator to ALWAYS use a

    #   frame pointer.

    ifeq ($(ARCH_FAMILY), i586)

      # Note that in 5.7, this is done with -xregs=no%frameptr

      ifeq ($(CC_VER), 5.5)

        # It's not exactly clear when this optimization kicks in, the

        #   current assumption is -xO4 or greater and for C++ with

        #   the -features=no%except option and -xO4 and greater.

        #   Bottom line is, we ALWAYS want a frame pointer!

        CC_XKEEPFRAME_OPTIONS  += -Wu,-Z~B

        CXX_XKEEPFRAME_OPTIONS += -Qoption ube -Z~B

      endif

      ifeq ($(shell $(EXPR) $(CC_VER) \> 5.6), 1)

        # Do NOT use frame pointer register as a general purpose opt register

        CC_OPT/NONE            += -xregs=no%frameptr

        CXX_OPT/NONE           += -xregs=no%frameptr

        CC_XKEEPFRAME_OPTIONS  += -xregs=no%frameptr

        CXX_XKEEPFRAME_OPTIONS += -xregs=no%frameptr

      endif

    endif

    #  Optimizer for sparc needs to be told not to do certain things

    #   related to frames or save instructions.

    ifeq ($(ARCH_FAMILY), sparc)

      #  Do not use save instructions instead of add instructions

      #  This was an optimization starting in SC5.0 that made it hard for us to

      #    find the "save" instruction (which got turned into an "add")

      CC_XKEEPFRAME_OPTIONS  += -Wc,-Qrm-s

      CXX_XKEEPFRAME_OPTIONS += -Qoption cg -Qrm-s

      # Don't allow tail call code optimization. Started in SC5.0.

      #    We don't like code of this form:

      #	save

      #	<code>

      #	call foo

      #	   restore

      #   because we can't tell if the method will have a stack frame

      #   and register windows or not.

      CC_XKEEPFRAME_OPTIONS  += -Wc,-Qiselect-T0

      CXX_XKEEPFRAME_OPTIONS += -Qoption cg -Qiselect-T0

    endif