jdk8-mips64-public/hotspot: make/bsd/makefiles/gcc.make@c65045599519

8021314: minimal1.make needs to force off components not supported by the minimal VM
Reviewed-by: coleenp, bpittore

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 -x assembler-with-cpp

    84 endif

    87 ifeq ($(USE_CLANG), true)

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

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

    90 else

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

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

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

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

    95 endif

    97 ifeq ($(USE_CLANG), true)

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

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

   100   ifdef LP64

   101     ifeq ($(USE_PRECOMPILED_HEADER),)

   102       USE_PRECOMPILED_HEADER=1

   103     endif

   104   else

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

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

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

   108     USE_PRECOMPILED_HEADER=0

   109   endif

   111   ifeq ($(USE_PRECOMPILED_HEADER),1)

   113     ifndef LP64

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

   115     endif

   117     PRECOMPILED_HEADER_DIR=.

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

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

   121     PCH_FLAG = -include precompiled.hpp

   122     PCH_FLAG/DEFAULT = $(PCH_FLAG)

   123     PCH_FLAG/NO_PCH = -DNO_PCH

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

   126     VM_PCH_FLAG/LIBJVM = $(PCH_FLAG/BY_FILE)

   127     VM_PCH_FLAG/AOUT =

   128     VM_PCH_FLAG = $(VM_PCH_FLAG/$(LINK_INTO))

   130     # We only use precompiled headers for the JVM build

   131     CFLAGS += $(VM_PCH_FLAG)

   133     # There are some files which don't like precompiled headers

   134     # The following files are build with 'OPT_CFLAGS/NOOPT' (-O0) in the opt build.

   135     # But Clang doesn't support a precompiled header which was compiled with -O3

   136     # to be used in a compilation unit which uses '-O0'. We could also prepare an

   137     # extra '-O0' PCH file for the opt build and use it here, but it's probably

   138     # not worth the effort as long as only two files need this special handling.

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

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

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

   143   endif

   144 else # ($(USE_CLANG), true)

   145   # check for precompiled headers support

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

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

   148     ifneq ($(USE_PRECOMPILED_HEADER),0)

   149       PRECOMPILED_HEADER_DIR=.

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

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

   152     endif

   153   endif

   154 endif

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

   157 ifeq ($(USE_PRECOMPILED_HEADER),0)

   158   CFLAGS += -DDONT_USE_PRECOMPILED_HEADER

   159 endif

   161 #------------------------------------------------------------------------

   162 # Compiler flags

   164 # position-independent code

   165 PICFLAG = -fPIC

   167 VM_PICFLAG/LIBJVM = $(PICFLAG)

   168 VM_PICFLAG/AOUT   =

   169 VM_PICFLAG        = $(VM_PICFLAG/$(LINK_INTO))

   171 ifeq ($(JVM_VARIANT_ZERO), true)

   172   CFLAGS += $(LIBFFI_CFLAGS)

   173 endif

   174 ifeq ($(JVM_VARIANT_ZEROSHARK), true)

   175   CFLAGS += $(LIBFFI_CFLAGS)

   176   CFLAGS += $(LLVM_CFLAGS)

   177 endif

   178 CFLAGS += $(VM_PICFLAG)

   179 CFLAGS += -fno-rtti

   180 CFLAGS += -fno-exceptions

   181 ifeq ($(USE_CLANG),)

   182   CFLAGS += -pthread

   183   CFLAGS += -fcheck-new

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

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

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

   187     CFLAGS += -fvisibility=hidden

   188   endif

   189 else

   190   CFLAGS += -fvisibility=hidden

   191 endif

   193 ifeq ($(USE_CLANG), true)

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

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

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

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

   198   else

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

   200   endif

   201 endif

   203 ARCHFLAG = $(ARCHFLAG/$(BUILDARCH))

   204 ARCHFLAG/i486    = -m32 -march=i586

   205 ARCHFLAG/amd64   = -m64 $(STACK_ALIGNMENT_OPT)

   206 ARCHFLAG/ia64    =

   207 ARCHFLAG/sparc   = -m32 -mcpu=v9

   208 ARCHFLAG/sparcv9 = -m64 -mcpu=v9

   209 ARCHFLAG/zero    = $(ZERO_ARCHFLAG)

   211 # Darwin-specific build flags

   212 ifeq ($(OS_VENDOR), Darwin)

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

   214   ARCHFLAG/i486 += -mstackrealign

   215 endif

   217 CFLAGS     += $(ARCHFLAG)

   218 AOUT_FLAGS += $(ARCHFLAG)

   219 LFLAGS     += $(ARCHFLAG)

   220 ASFLAGS    += $(ARCHFLAG)

   222 ifdef E500V2

   223 CFLAGS += -DE500V2

   224 endif

   226 # Use C++ Interpreter

   227 ifdef CC_INTERP

   228   CFLAGS += -DCC_INTERP

   229 endif

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

   232 ifdef NEED_ASM

   233   CFLAGS += -save-temps

   234 else

   235   CFLAGS += -pipe

   236 endif

   238 # Compiler warnings are treated as errors

   239 ifneq ($(COMPILER_WARNINGS_FATAL),false)

   240   WARNINGS_ARE_ERRORS = -Werror

   241 endif

   243 ifeq ($(USE_CLANG), true)

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

   245   WARNINGS_ARE_ERRORS += -Wno-unused-value -Wno-logical-op-parentheses -Wno-parentheses-equality -Wno-parentheses

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

   247 # Not yet supported by clang in Xcode 4.6.2

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

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

   250   WARNINGS_ARE_ERRORS += -Wno-return-type -Wno-empty-body

   251 endif

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

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

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

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

   258   WARNING_FLAGS = -Wunused-function

   259   ifeq ($(USE_CLANG),)

   260     WARNINGS_FLAGS += -Wconversion

   261   endif

   262 endif

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

   265 # Special cases

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

   267 # XXXDARWIN: for _dyld_bind_fully_image_containing_address

   268 ifeq ($(OS_VENDOR), Darwin)

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

   270 endif

   272 OPT_CFLAGS/SIZE=-Os

   273 OPT_CFLAGS/SPEED=-O3

   275 # Hotspot uses very unstrict aliasing turn this optimization off

   276 # This option is added to CFLAGS rather than OPT_CFLAGS

   277 # so that OPT_CFLAGS overrides get this option too.

   278 CFLAGS += -fno-strict-aliasing

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

   281 ifeq ($(OS_VENDOR), Darwin)

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

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

   284   OPT_CFLAGS_DEFAULT ?= SIZE

   285 else

   286   OPT_CFLAGS_DEFAULT ?= SPEED

   287 endif

   289 ifdef OPT_CFLAGS

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

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

   292   endif

   293 endif

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

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

   298 # if we use expensive-optimizations

   299 ifeq ($(BUILDARCH), ia64)

   300 OPT_CFLAGS += -fno-expensive-optimizations

   301 endif

   303 OPT_CFLAGS/NOOPT=-O0

   305 # Work around some compiler bugs.

   306 ifeq ($(USE_CLANG), true)

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

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

   309   endif

   310 else

   311   # 6835796. Problem in GCC 4.3.0 with mulnode.o optimized compilation.

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

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

   314   endif

   315 endif

   317 # Flags for generating make dependency flags.

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

   319 ifeq ($(USE_CLANG),)

   320   ifneq ($(CC_VER_MAJOR), 2)

   321     DEPFLAGS += -fpch-deps

   322   endif

   323 endif

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

   326 ifeq ($(USE_PRECOMPILED_HEADER),0)

   327 CFLAGS += -DDONT_USE_PRECOMPILED_HEADER

   328 endif

   330 ifeq ($(OS_VENDOR), Darwin)

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

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

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

   334   # The expected format is X.Y.Z

   335   ifeq ($(MACOSX_VERSION_MIN),)

   336     MACOSX_VERSION_MIN=10.7.0

   337   endif

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

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

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

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

   342 endif

   344 #------------------------------------------------------------------------

   345 # Linker flags

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

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

   350 ifeq ($(USE_CLANG),)

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

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

   353     STATIC_LIBGCC += -static-libgcc

   354   endif

   356   ifeq ($(BUILDARCH), ia64)

   357     LFLAGS += -Wl,-relax

   358   endif

   359 endif

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

   362 MAPFLAG = -Xlinker --version-script=FILENAME

   364 #

   365 # Shared Library

   366 #

   367 ifeq ($(OS_VENDOR), Darwin)

   368   # Standard linker flags

   369   LFLAGS +=

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

   372   MAPFLAG = -Xlinker -exported_symbols_list -Xlinker FILENAME

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

   375   SONAMEFLAG =

   377   # Build shared library

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

   380   # Keep symbols even they are not used

   381   #AOUT_FLAGS += -Xlinker -export-dynamic

   382 else

   383   # Enable linker optimization

   384   LFLAGS += -Xlinker -O1

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

   387   SONAMEFLAG = -Xlinker -soname=SONAME

   389   # Build shared library

   390   SHARED_FLAG = -shared $(VM_PICFLAG)

   392   # Keep symbols even they are not used

   393   AOUT_FLAGS += -Xlinker -export-dynamic

   394 endif

   396 #------------------------------------------------------------------------

   397 # Debug flags

   399 ifeq ($(USE_CLANG), true)

   400   # Restrict the debug information created by Clang to avoid

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

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

   403   CFLAGS += -flimit-debug-info

   404 endif

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

   407 ifeq ($(DEBUG_BINARIES), true)

   408   CFLAGS += -g

   409 else

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

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

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

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

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

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

   416   DEBUG_CFLAGS/ia64  = -g

   417   DEBUG_CFLAGS/amd64 = -g

   418   DEBUG_CFLAGS/arm   = -g

   419   DEBUG_CFLAGS/ppc   = -g

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

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

   422   DEBUG_CFLAGS += -gstabs

   423   endif

   424 endif

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

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

   428 ifdef HEADLESS

   429 CFLAGS += -DHEADLESS

   430 endif

   432 # We are building Embedded for a small device

   433 # favor code space over speed

   434 ifdef MINIMIZE_RAM_USAGE

   435 CFLAGS += -DMINIMIZE_RAM_USAGE

   436 endif

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

make/bsd/makefiles/gcc.make@c65045599519

make/bsd/makefiles/gcc.make