jdk8-mips64-public/hotspot: make/linux/makefiles/gcc.make@e4624321d36a

1 #

     2 # Copyright (c) 1999, 2011, 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 #------------------------------------------------------------------------

    26 # CC, CXX & AS

    28 # When cross-compiling the ALT_COMPILER_PATH points

    29 # to the cross-compilation toolset

    30 ifdef CROSS_COMPILE_ARCH

    31 CXX = $(ALT_COMPILER_PATH)/g++

    32 CC  = $(ALT_COMPILER_PATH)/gcc

    33 HOSTCXX = g++

    34 HOSTCC  = gcc

    35 else

    36 CXX = g++

    37 CC  = gcc

    38 HOSTCXX = $(CXX)

    39 HOSTCC  = $(CC)

    40 endif

    42 AS  = $(CC) -c

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

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

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

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

    49 # check for precompiled headers support

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

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

    52 ifneq ($(USE_PRECOMPILED_HEADER),0)

    53 PRECOMPILED_HEADER_DIR=.

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

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

    56 endif

    57 endif

    60 #------------------------------------------------------------------------

    61 # Compiler flags

    63 # position-independent code

    64 PICFLAG = -fPIC

    66 VM_PICFLAG/LIBJVM = $(PICFLAG)

    67 VM_PICFLAG/AOUT   =

    68 VM_PICFLAG        = $(VM_PICFLAG/$(LINK_INTO))

    70 ifeq ($(ZERO_BUILD), true)

    71 CFLAGS += $(LIBFFI_CFLAGS)

    72 endif

    73 ifeq ($(SHARK_BUILD), true)

    74 CFLAGS += $(LLVM_CFLAGS)

    75 endif

    76 CFLAGS += $(VM_PICFLAG)

    77 CFLAGS += -fno-rtti

    78 CFLAGS += -fno-exceptions

    79 CFLAGS += -D_REENTRANT

    80 CFLAGS += -fcheck-new

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

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

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

    84 CFLAGS += -fvisibility=hidden

    85 endif

    87 ARCHFLAG = $(ARCHFLAG/$(BUILDARCH))

    88 ARCHFLAG/i486    = -m32 -march=i586

    89 ARCHFLAG/amd64   = -m64

    90 ARCHFLAG/ia64    =

    91 ARCHFLAG/sparc   = -m32 -mcpu=v9

    92 ARCHFLAG/sparcv9 = -m64 -mcpu=v9

    93 ARCHFLAG/arm     =  -fsigned-char

    94 ARCHFLAG/zero    = $(ZERO_ARCHFLAG)

    95 ifndef E500V2

    96 ARCHFLAG/ppc     =  -mcpu=powerpc

    97 endif

    99 CFLAGS     += $(ARCHFLAG)

   100 AOUT_FLAGS += $(ARCHFLAG)

   101 LFLAGS     += $(ARCHFLAG)

   102 ASFLAGS    += $(ARCHFLAG)

   104 ifdef E500V2

   105 CFLAGS += -DE500V2

   106 endif

   108 # Use C++ Interpreter

   109 ifdef CC_INTERP

   110   CFLAGS += -DCC_INTERP

   111 endif

   113 # Build for embedded targets

   114 ifdef JAVASE_EMBEDDED

   115   CFLAGS += -DJAVASE_EMBEDDED

   116 endif

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

   119 ifdef NEED_ASM

   120   CFLAGS += -save-temps

   121 else

   122   CFLAGS += -pipe

   123 endif

   125 # Compiler warnings are treated as errors

   126 WARNINGS_ARE_ERRORS = -Werror

   128 # Except for a few acceptable ones

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

   130 # conversions which might affect the values. To avoid that, we need to turn

   131 # it off explicitly.

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

   133 ACCEPTABLE_WARNINGS = -Wpointer-arith -Wsign-compare

   134 else

   135 ACCEPTABLE_WARNINGS = -Wpointer-arith -Wconversion -Wsign-compare

   136 endif

   138 CFLAGS_WARN/DEFAULT = $(WARNINGS_ARE_ERRORS) $(ACCEPTABLE_WARNINGS)

   139 # Special cases

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

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

   143 OPT_CFLAGS += -O3

   145 # Hotspot uses very unstrict aliasing turn this optimization off

   146 OPT_CFLAGS += -fno-strict-aliasing

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

   149 # if we use expensive-optimizations

   150 ifeq ($(BUILDARCH), ia64)

   151 OPT_CFLAGS += -fno-expensive-optimizations

   152 endif

   154 OPT_CFLAGS/NOOPT=-O0

   156 # 6835796. Problem in GCC 4.3.0 with mulnode.o optimized compilation.

   157 ifneq "$(shell expr \( \( $(CC_VER_MAJOR) = 4 \) \& \( $(CC_VER_MINOR) = 3 \) \))" "0"

   158 OPT_CFLAGS/mulnode.o += -O0

   159 endif

   161 # Flags for generating make dependency flags.

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

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

   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 # Linker flags

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

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

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

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

   179 STATIC_LIBGCC += -static-libgcc

   180 endif

   182 ifeq ($(BUILDARCH), ia64)

   183 LFLAGS += -Wl,-relax

   184 endif

   186 # Enable linker optimization

   187 LFLAGS += -Xlinker -O1

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

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

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

   192 ifneq ($(_HAS_HASH_STYLE_GNU),)

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

   194 endif

   195 LFLAGS += $(LDFLAGS_HASH_STYLE)

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

   198 MAPFLAG = -Xlinker --version-script=FILENAME

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

   201 SONAMEFLAG = -Xlinker -soname=SONAME

   203 # Build shared library

   204 SHARED_FLAG = -shared

   206 # Keep symbols even they are not used

   207 AOUT_FLAGS += -Xlinker -export-dynamic

   209 #------------------------------------------------------------------------

   210 # Debug flags

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

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

   214 # numbers and local variables, and libjvm_g.so is only about 16M.

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

   216 # (warning: that could easily inflate libjvm_g.so to 150M!)

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

   218 DEBUG_CFLAGS/ia64  = -g

   219 DEBUG_CFLAGS/amd64 = -g

   220 DEBUG_CFLAGS/arm   = -g

   221 DEBUG_CFLAGS/ppc   = -g

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

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

   224 DEBUG_CFLAGS += -gstabs

   225 endif

   227 ifneq ($(OBJCOPY),)

   228   FASTDEBUG_CFLAGS/ia64  = -g

   229   FASTDEBUG_CFLAGS/amd64 = -g

   230   FASTDEBUG_CFLAGS/arm   = -g

   231   FASTDEBUG_CFLAGS/ppc   = -g

   232   FASTDEBUG_CFLAGS += $(DEBUG_CFLAGS/$(BUILDARCH))

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

   234     FASTDEBUG_CFLAGS += -gstabs

   235   endif

   237   OPT_CFLAGS/ia64  = -g

   238   OPT_CFLAGS/amd64 = -g

   239   OPT_CFLAGS/arm   = -g

   240   OPT_CFLAGS/ppc   = -g

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

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

   243     OPT_CFLAGS += -gstabs

   244   endif

   245 endif

   247 # DEBUG_BINARIES overrides everything, use full -g debug information

   248 ifeq ($(DEBUG_BINARIES), true)

   249   DEBUG_CFLAGS = -g

   250   CFLAGS += $(DEBUG_CFLAGS)

   251 endif

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

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

   255 ifdef HEADLESS

   256 CFLAGS += -DHEADLESS

   257 endif

   259 # We are building Embedded for a small device

   260 # favor code space over speed

   261 ifdef MINIMIZE_RAM_USAGE

   262 CFLAGS += -DMINIMIZE_RAM_USAGE

   263 endif

   265 ifdef CROSS_COMPILE_ARCH

   266   STRIP = $(ALT_COMPILER_PATH)/strip

   267 else

   268   STRIP = strip

   269 endif

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

make/linux/makefiles/gcc.make@e4624321d36a

make/linux/makefiles/gcc.make