jdk8-mips64-public/hotspot: make/bsd/makefiles/gcc.make@f6efc715db74

1 #

     2 # Copyright (c) 1999, 2013, Oracle and/or its affiliates. All rights reserved.

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

4 #

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

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

     7 # published by the Free Software Foundation.

8 #

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

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

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

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

    13 # accompanied this code).

    14 #

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

    16 # 2 along with this work; if not, write to the Free Software Foundation,

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

    18 #

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

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

    21 # questions.

    22 #

    23 #

    25 OS_VENDOR = $(shell uname -s)

    27 #------------------------------------------------------------------------

    28 # CC, CXX & AS

    30 # If a SPEC is not set already, then use these defaults.

    31 ifeq ($(SPEC),)

    32   # When cross-compiling the ALT_COMPILER_PATH points

    33   # to the cross-compilation toolset

    34   ifdef CROSS_COMPILE_ARCH

    35     CXX = $(ALT_COMPILER_PATH)/g++

    36     CC  = $(ALT_COMPILER_PATH)/gcc

    37     HOSTCXX = g++

    38     HOSTCC  = gcc

    39   else ifneq ($(OS_VENDOR), Darwin)

    40     CXX = g++

    41     CC  = gcc

    42     HOSTCXX = $(CXX)

    43     HOSTCC  = $(CC)

    44   endif

    46   # i486 hotspot requires -mstackrealign on Darwin.

    47   # llvm-gcc supports this in Xcode 3.2.6 and 4.0.

    48   # gcc-4.0 supports this on earlier versions.

    49   # Prefer llvm-gcc where available.

    50   ifeq ($(OS_VENDOR), Darwin)

    51     ifeq ($(origin CXX), default)

    52       CXX = llvm-g++

    53     endif

    54     ifeq ($(origin CC), default)

    55       CC  = llvm-gcc

    56     endif

    58     ifeq ($(ARCH), i486)

    59       LLVM_SUPPORTS_STACKREALIGN := $(shell \

    60        [ "0"`llvm-gcc -v 2>&1 | grep LLVM | sed -E "s/.*LLVM build ([0-9]+).*/\1/"` -gt "2333" ] \

    61        && echo true || echo false)

    63       ifeq ($(LLVM_SUPPORTS_STACKREALIGN), true)

    64         CXX32 ?= llvm-g++

    65         CC32  ?= llvm-gcc

    66       else

    67         CXX32 ?= g++-4.0

    68         CC32  ?= gcc-4.0

    69       endif

    70       CXX = $(CXX32)

    71       CC  = $(CC32)

    72     endif

    74     ifeq ($(USE_CLANG), true)

    75       CXX = clang++

    76       CC  = clang

    77     endif

    79     HOSTCXX = $(CXX)

    80     HOSTCC  = $(CC)

    81   endif

    83   AS   = $(CC) -c

    84 endif

    86 ifeq ($(OS_VENDOR), Darwin)

    87   ifeq ($(DSYMUTIL),)

    88     DSYMUTIL=dsymutil

    89   endif

    90 endif

    92 ifeq ($(USE_CLANG), true)

    93   CC_VER_MAJOR := $(shell $(CC) -v 2>&1 | grep version | sed "s/.*version \([0-9]*\.[0-9]*\).*/\1/" | cut -d'.' -f1)

    94   CC_VER_MINOR := $(shell $(CC) -v 2>&1 | grep version | sed "s/.*version \([0-9]*\.[0-9]*\).*/\1/" | cut -d'.' -f2)

    95 else

    96   # -dumpversion in gcc-2.91 shows "egcs-2.91.66". In later version, it only

    97   # prints the numbers (e.g. "2.95", "3.2.1")

    98   CC_VER_MAJOR := $(shell $(CC) -dumpversion | sed 's/egcs-//' | cut -d'.' -f1)

    99   CC_VER_MINOR := $(shell $(CC) -dumpversion | sed 's/egcs-//' | cut -d'.' -f2)

   100 endif

   102 ifeq ($(USE_CLANG), true)

   103   # clang has precompiled headers support by default, but the user can switch

   104   # it off by using 'USE_PRECOMPILED_HEADER=0'.

   105   ifdef LP64

   106     ifeq ($(USE_PRECOMPILED_HEADER),)

   107       USE_PRECOMPILED_HEADER=1

   108     endif

   109   else

   110     # We don't support precompiled headers on 32-bit builds because there some files are

   111     # compiled with -fPIC while others are compiled without (see 'NONPIC_OBJ_FILES' rules.make)

   112     # Clang produces an error if the PCH file was compiled with other options than the actual compilation unit.

   113     USE_PRECOMPILED_HEADER=0

   114   endif

   116   ifeq ($(USE_PRECOMPILED_HEADER),1)

   118     ifndef LP64

   119       $(error " Precompiled Headers only supported on 64-bit platforms!")

   120     endif

   122     PRECOMPILED_HEADER_DIR=.

   123     PRECOMPILED_HEADER_SRC=$(GAMMADIR)/src/share/vm/precompiled/precompiled.hpp

   124     PRECOMPILED_HEADER=$(PRECOMPILED_HEADER_DIR)/precompiled.hpp.pch

   126     PCH_FLAG = -include precompiled.hpp

   127     PCH_FLAG/DEFAULT = $(PCH_FLAG)

   128     PCH_FLAG/NO_PCH = -DNO_PCH

   129     PCH_FLAG/BY_FILE = $(PCH_FLAG/$@)$(PCH_FLAG/DEFAULT$(PCH_FLAG/$@))

   131     VM_PCH_FLAG/LIBJVM = $(PCH_FLAG/BY_FILE)

   132     VM_PCH_FLAG/AOUT =

   133     VM_PCH_FLAG = $(VM_PCH_FLAG/$(LINK_INTO))

   135     # We only use precompiled headers for the JVM build

   136     CFLAGS += $(VM_PCH_FLAG)

   138     # The following files are compiled at various optimization

   139     # levels due to optimization issues encountered at the

   140     # 'OPT_CFLAGS_DEFAULT' level. The Clang compiler issues a compile

   141     # time error if there is an optimization level specification

   142     # skew between the PCH file and the C++ file.  Especially if the

   143     # PCH file is compiled at a higher optimization level than

   144     # the C++ file.  One solution might be to prepare extra optimization

   145     # level specific PCH files for the opt build and use them here, but

   146     # it's probably not worth the effort as long as only a few files

   147     # need this special handling.

   148     PCH_FLAG/loopTransform.o = $(PCH_FLAG/NO_PCH)

   149     PCH_FLAG/sharedRuntimeTrig.o = $(PCH_FLAG/NO_PCH)

   150     PCH_FLAG/sharedRuntimeTrans.o = $(PCH_FLAG/NO_PCH)

   151     PCH_FLAG/unsafe.o = $(PCH_FLAG/NO_PCH)

   153   endif

   154 else # ($(USE_CLANG), true)

   155   # check for precompiled headers support

   156   ifneq "$(shell expr \( $(CC_VER_MAJOR) \> 3 \) \| \( \( $(CC_VER_MAJOR) = 3 \) \& \( $(CC_VER_MINOR) \>= 4 \) \))" "0"

   157     # Allow the user to turn off precompiled headers from the command line.

   158     ifneq ($(USE_PRECOMPILED_HEADER),0)

   159       PRECOMPILED_HEADER_DIR=.

   160       PRECOMPILED_HEADER_SRC=$(GAMMADIR)/src/share/vm/precompiled/precompiled.hpp

   161       PRECOMPILED_HEADER=$(PRECOMPILED_HEADER_DIR)/precompiled.hpp.gch

   162     endif

   163   endif

   164 endif

   166 # -DDONT_USE_PRECOMPILED_HEADER will exclude all includes in precompiled.hpp.

   167 ifeq ($(USE_PRECOMPILED_HEADER),0)

   168   CFLAGS += -DDONT_USE_PRECOMPILED_HEADER

   169 endif

   171 #------------------------------------------------------------------------

   172 # Compiler flags

   174 # position-independent code

   175 PICFLAG = -fPIC

   177 VM_PICFLAG/LIBJVM = $(PICFLAG)

   178 VM_PICFLAG/AOUT   =

   179 VM_PICFLAG        = $(VM_PICFLAG/$(LINK_INTO))

   181 ifeq ($(JVM_VARIANT_ZERO), true)

   182   CFLAGS += $(LIBFFI_CFLAGS)

   183 endif

   184 ifeq ($(JVM_VARIANT_ZEROSHARK), true)

   185   CFLAGS += $(LIBFFI_CFLAGS)

   186   CFLAGS += $(LLVM_CFLAGS)

   187 endif

   188 CFLAGS += $(VM_PICFLAG)

   189 CFLAGS += -fno-rtti

   190 CFLAGS += -fno-exceptions

   191 ifeq ($(USE_CLANG),)

   192   CFLAGS += -pthread

   193   CFLAGS += -fcheck-new

   194   # version 4 and above support fvisibility=hidden (matches jni_x86.h file)

   195   # except 4.1.2 gives pointless warnings that can't be disabled (afaik)

   196   ifneq "$(shell expr \( $(CC_VER_MAJOR) \> 4 \) \| \( \( $(CC_VER_MAJOR) = 4 \) \& \( $(CC_VER_MINOR) \>= 3 \) \))" "0"

   197     CFLAGS += -fvisibility=hidden

   198   endif

   199 else

   200   CFLAGS += -fvisibility=hidden

   201 endif

   203 ifeq ($(USE_CLANG), true)

   204   # Before Clang 3.1, we had to pass the stack alignment specification directly to llvm with the help of '-mllvm'

   205   # Starting with version 3.1, Clang understands the '-mstack-alignment' (and rejects '-mllvm -stack-alignment')

   206   ifneq "$(shell expr \( $(CC_VER_MAJOR) \> 3 \) \| \( \( $(CC_VER_MAJOR) = 3 \) \& \( $(CC_VER_MINOR) \>= 1 \) \))" "0"

   207     STACK_ALIGNMENT_OPT = -mno-omit-leaf-frame-pointer -mstack-alignment=16

   208   else

   209     STACK_ALIGNMENT_OPT = -mno-omit-leaf-frame-pointer -mllvm -stack-alignment=16

   210   endif

   211 endif

   213 ARCHFLAG = $(ARCHFLAG/$(BUILDARCH))

   214 ARCHFLAG/i486    = -m32 -march=i586

   215 ARCHFLAG/amd64   = -m64 $(STACK_ALIGNMENT_OPT)

   216 ARCHFLAG/ia64    =

   217 ARCHFLAG/sparc   = -m32 -mcpu=v9

   218 ARCHFLAG/sparcv9 = -m64 -mcpu=v9

   219 ARCHFLAG/zero    = $(ZERO_ARCHFLAG)

   221 # Darwin-specific build flags

   222 ifeq ($(OS_VENDOR), Darwin)

   223   # Ineffecient 16-byte stack re-alignment on Darwin/IA32

   224   ARCHFLAG/i486 += -mstackrealign

   225 endif

   227 CFLAGS     += $(ARCHFLAG)

   228 AOUT_FLAGS += $(ARCHFLAG)

   229 LFLAGS     += $(ARCHFLAG)

   230 ASFLAGS    += $(ARCHFLAG)

   232 ifdef E500V2

   233 CFLAGS += -DE500V2

   234 endif

   236 # Use C++ Interpreter

   237 ifdef CC_INTERP

   238   CFLAGS += -DCC_INTERP

   239 endif

   241 # Keep temporary files (.ii, .s)

   242 ifdef NEED_ASM

   243   CFLAGS += -save-temps

   244 else

   245   CFLAGS += -pipe

   246 endif

   248 # Compiler warnings are treated as errors

   249 ifneq ($(COMPILER_WARNINGS_FATAL),false)

   250   WARNINGS_ARE_ERRORS = -Werror

   251 endif

   253 ifeq ($(USE_CLANG), true)

   254   # However we need to clean the code up before we can unrestrictedly enable this option with Clang

   255   WARNINGS_ARE_ERRORS += -Wno-logical-op-parentheses -Wno-parentheses-equality -Wno-parentheses

   256   WARNINGS_ARE_ERRORS += -Wno-switch -Wno-tautological-compare

   257 # Not yet supported by clang in Xcode 4.6.2

   258 #  WARNINGS_ARE_ERRORS += -Wno-tautological-constant-out-of-range-compare

   259   WARNINGS_ARE_ERRORS += -Wno-delete-non-virtual-dtor -Wno-deprecated -Wno-format -Wno-dynamic-class-memaccess

   260   WARNINGS_ARE_ERRORS += -Wno-empty-body

   261 endif

   263 WARNING_FLAGS = -Wpointer-arith -Wsign-compare -Wundef

   265 ifeq "$(shell expr \( $(CC_VER_MAJOR) \> 4 \) \| \( \( $(CC_VER_MAJOR) = 4 \) \& \( $(CC_VER_MINOR) \>= 3 \) \))" "0"

   266   # Since GCC 4.3, -Wconversion has changed its meanings to warn these implicit

   267   # conversions which might affect the values. Only enable it in earlier versions.

   268   WARNING_FLAGS = -Wunused-function

   269   ifeq ($(USE_CLANG),)

   270     WARNING_FLAGS += -Wconversion

   271   endif

   272 endif

   274 CFLAGS_WARN/DEFAULT = $(WARNINGS_ARE_ERRORS) $(WARNING_FLAGS)

   275 # Special cases

   276 CFLAGS_WARN/BYFILE = $(CFLAGS_WARN/$@)$(CFLAGS_WARN/DEFAULT$(CFLAGS_WARN/$@))

   277 # XXXDARWIN: for _dyld_bind_fully_image_containing_address

   278 ifeq ($(OS_VENDOR), Darwin)

   279   CFLAGS_WARN/os_bsd.o = $(CFLAGS_WARN/DEFAULT) -Wno-deprecated-declarations

   280 endif

   282 OPT_CFLAGS/SIZE=-Os

   283 OPT_CFLAGS/SPEED=-O3

   285 # Hotspot uses very unstrict aliasing turn this optimization off

   286 # This option is added to CFLAGS rather than OPT_CFLAGS

   287 # so that OPT_CFLAGS overrides get this option too.

   288 CFLAGS += -fno-strict-aliasing

   290 # The flags to use for an Optimized g++ build

   291 ifeq ($(OS_VENDOR), Darwin)

   292   # use -Os by default, unless -O3 can be proved to be worth the cost, as per policy

   293   # <http://wikis.sun.com/display/OpenJDK/Mac+OS+X+Port+Compilers>

   294   OPT_CFLAGS_DEFAULT ?= SIZE

   295 else

   296   OPT_CFLAGS_DEFAULT ?= SPEED

   297 endif

   299 ifdef OPT_CFLAGS

   300   ifneq ("$(origin OPT_CFLAGS)", "command line")

   301     $(error " Use OPT_EXTRAS instead of OPT_CFLAGS to add extra flags to OPT_CFLAGS.")

   302   endif

   303 endif

   305 OPT_CFLAGS = $(OPT_CFLAGS/$(OPT_CFLAGS_DEFAULT)) $(OPT_EXTRAS)

   307 # The gcc compiler segv's on ia64 when compiling bytecodeInterpreter.cpp

   308 # if we use expensive-optimizations

   309 ifeq ($(BUILDARCH), ia64)

   310 OPT_CFLAGS += -fno-expensive-optimizations

   311 endif

   313 OPT_CFLAGS/NOOPT=-O0

   315 # Work around some compiler bugs.

   316 ifeq ($(USE_CLANG), true)

   317   ifeq ($(shell expr $(CC_VER_MAJOR) = 4 \& $(CC_VER_MINOR) = 2), 1)

   318     OPT_CFLAGS/loopTransform.o += $(OPT_CFLAGS/NOOPT)

   319     OPT_CFLAGS/unsafe.o += -O1

   320   endif

   321 else

   322   # 6835796. Problem in GCC 4.3.0 with mulnode.o optimized compilation.

   323   ifeq ($(shell expr $(CC_VER_MAJOR) = 4 \& $(CC_VER_MINOR) = 3), 1)

   324     OPT_CFLAGS/mulnode.o += $(OPT_CFLAGS/NOOPT)

   325   endif

   326 endif

   328 # Flags for generating make dependency flags.

   329 DEPFLAGS = -MMD -MP -MF $(DEP_DIR)/$(@:%=%.d)

   330 ifeq ($(USE_CLANG),)

   331   ifneq ($(CC_VER_MAJOR), 2)

   332     DEPFLAGS += -fpch-deps

   333   endif

   334 endif

   336 # -DDONT_USE_PRECOMPILED_HEADER will exclude all includes in precompiled.hpp.

   337 ifeq ($(USE_PRECOMPILED_HEADER),0)

   338 CFLAGS += -DDONT_USE_PRECOMPILED_HEADER

   339 endif

   341 ifeq ($(OS_VENDOR), Darwin)

   342   # Setting these parameters makes it an error to link to macosx APIs that are

   343   # newer than the given OS version and makes the linked binaries compatible even

   344   # if built on a newer version of the OS.

   345   # The expected format is X.Y.Z

   346   ifeq ($(MACOSX_VERSION_MIN),)

   347     MACOSX_VERSION_MIN=10.7.0

   348   endif

   349   # The macro takes the version with no dots, ex: 1070

   350   CFLAGS += -DMAC_OS_X_VERSION_MAX_ALLOWED=$(subst .,,$(MACOSX_VERSION_MIN)) \

   351             -mmacosx-version-min=$(MACOSX_VERSION_MIN)

   352   LDFLAGS += -mmacosx-version-min=$(MACOSX_VERSION_MIN)

   353 endif

   356 #------------------------------------------------------------------------

   357 # Assembler flags

   359 # Enforce prerpocessing of .s files

   360 ASFLAGS += -x assembler-with-cpp

   362 #------------------------------------------------------------------------

   363 # Linker flags

   365 # statically link libstdc++.so, work with gcc but ignored by g++

   366 STATIC_STDCXX = -Wl,-Bstatic -lstdc++ -Wl,-Bdynamic

   368 ifeq ($(USE_CLANG),)

   369   # statically link libgcc and/or libgcc_s, libgcc does not exist before gcc-3.x.

   370   ifneq ("${CC_VER_MAJOR}", "2")

   371     STATIC_LIBGCC += -static-libgcc

   372   endif

   374   ifeq ($(BUILDARCH), ia64)

   375     LFLAGS += -Wl,-relax

   376   endif

   377 endif

   379 # Use $(MAPFLAG:FILENAME=real_file_name) to specify a map file.

   380 MAPFLAG = -Xlinker --version-script=FILENAME

   382 #

   383 # Shared Library

   384 #

   385 ifeq ($(OS_VENDOR), Darwin)

   386   # Standard linker flags

   387   LFLAGS +=

   389   # The apple linker has its own variant of mapfiles/version-scripts

   390   MAPFLAG = -Xlinker -exported_symbols_list -Xlinker FILENAME

   392   # Use $(SONAMEFLAG:SONAME=soname) to specify the intrinsic name of a shared obj

   393   SONAMEFLAG =

   395   # Build shared library

   396   SHARED_FLAG = -Wl,-install_name,@rpath/$(@F) -dynamiclib -compatibility_version 1.0.0 -current_version 1.0.0 $(VM_PICFLAG)

   398   # Keep symbols even they are not used

   399   #AOUT_FLAGS += -Xlinker -export-dynamic

   400 else

   401   # Enable linker optimization

   402   LFLAGS += -Xlinker -O1

   404   # Use $(SONAMEFLAG:SONAME=soname) to specify the intrinsic name of a shared obj

   405   SONAMEFLAG = -Xlinker -soname=SONAME

   407   # Build shared library

   408   SHARED_FLAG = -shared $(VM_PICFLAG)

   410   # Keep symbols even they are not used

   411   AOUT_FLAGS += -Xlinker -export-dynamic

   412 endif

   414 #------------------------------------------------------------------------

   415 # Debug flags

   417 ifeq ($(USE_CLANG), true)

   418   # Restrict the debug information created by Clang to avoid

   419   # too big object files and speed the build up a little bit

   420   # (see http://llvm.org/bugs/show_bug.cgi?id=7554)

   421   CFLAGS += -flimit-debug-info

   422 endif

   424 # DEBUG_BINARIES uses full -g debug information for all configs

   425 ifeq ($(DEBUG_BINARIES), true)

   426   CFLAGS += -g

   427 else

   428   # Use the stabs format for debugging information (this is the default

   429   # on gcc-2.91). It's good enough, has all the information about line

   430   # numbers and local variables, and libjvm.so is only about 16M.

   431   # Change this back to "-g" if you want the most expressive format.

   432   # (warning: that could easily inflate libjvm.so to 150M!)

   433   # Note: The Itanium gcc compiler crashes when using -gstabs.

   434   DEBUG_CFLAGS/ia64  = -g

   435   DEBUG_CFLAGS/amd64 = -g

   436   DEBUG_CFLAGS/arm   = -g

   437   DEBUG_CFLAGS/ppc   = -g

   438   DEBUG_CFLAGS += $(DEBUG_CFLAGS/$(BUILDARCH))

   439   ifeq ($(DEBUG_CFLAGS/$(BUILDARCH)),)

   440   DEBUG_CFLAGS += -gstabs

   441   endif

   443   ifeq ($(ENABLE_FULL_DEBUG_SYMBOLS),1)

   444     FASTDEBUG_CFLAGS/ia64  = -g

   445     FASTDEBUG_CFLAGS/amd64 = -g

   446     FASTDEBUG_CFLAGS/arm   = -g

   447     FASTDEBUG_CFLAGS/ppc   = -g

   448     FASTDEBUG_CFLAGS += $(FASTDEBUG_CFLAGS/$(BUILDARCH))

   449     ifeq ($(FASTDEBUG_CFLAGS/$(BUILDARCH)),)

   450       ifeq ($(USE_CLANG), true)

   451         # Clang doesn't understand -gstabs

   452         FASTDEBUG_CFLAGS += -g

   453       else

   454         FASTDEBUG_CFLAGS += -gstabs

   455       endif

   456     endif

   458     OPT_CFLAGS/ia64  = -g

   459     OPT_CFLAGS/amd64 = -g

   460     OPT_CFLAGS/arm   = -g

   461     OPT_CFLAGS/ppc   = -g

   462     OPT_CFLAGS += $(OPT_CFLAGS/$(BUILDARCH))

   463     ifeq ($(OPT_CFLAGS/$(BUILDARCH)),)

   464       ifeq ($(USE_CLANG), true)

   465         # Clang doesn't understand -gstabs

   466         OPT_CFLAGS += -g

   467       else

   468         OPT_CFLAGS += -gstabs

   469       endif

   470     endif

   471   endif

   472 endif

   474 # If we are building HEADLESS, pass on to VM

   475 # so it can set the java.awt.headless property

   476 ifdef HEADLESS

   477 CFLAGS += -DHEADLESS

   478 endif

   480 # We are building Embedded for a small device

   481 # favor code space over speed

   482 ifdef MINIMIZE_RAM_USAGE

   483 CFLAGS += -DMINIMIZE_RAM_USAGE

   484 endif

Mercurial > jdk8-mips64-public > hotspot / file revision

make/bsd/makefiles/gcc.make@f6efc715db74

make/bsd/makefiles/gcc.make