jdk8-mips64-public/hotspot: make/bsd/makefiles/gcc.make@719f7007c8e8

7141242: build-infra merge: Rename CPP->CXX and LINK->LD
Summary: Cleaned up make variables for compilers and linker to consistently use CXX for C++ compiler, CC for C compiler and LD for linker.
Reviewed-by: dholmes, ohrstrom

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 OS_VENDOR = $(shell uname -s)

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

    28 # CC, CXX & AS

    30 # When cross-compiling the ALT_COMPILER_PATH points

    31 # to the cross-compilation toolset

    32 ifdef CROSS_COMPILE_ARCH

    33  CXX = $(ALT_COMPILER_PATH)/g++

    34  CC  = $(ALT_COMPILER_PATH)/gcc

    35  HOSTCXX = g++

    36  HOSTCC  = gcc

    37 else ifneq ($(OS_VENDOR), Darwin)

    38  CXX = g++

    39  CC  = gcc

    40  HOSTCXX = $(CXX)

    41  HOSTCC  = $(CC)

    42 endif

    44 # i486 hotspot requires -mstackrealign on Darwin.

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

    46 # gcc-4.0 supports this on earlier versions.

    47 # Prefer llvm-gcc where available.

    48 ifeq ($(OS_VENDOR), Darwin)

    49   ifeq ($(origin CXX), default)

    50    CXX = llvm-g++

    51   endif

    52   ifeq ($(origin CC), default)

    53    CC  = llvm-gcc

    54   endif

    56   ifeq ($(ARCH), i486)

    57   LLVM_SUPPORTS_STACKREALIGN := $(shell \

    58    [ "0"`llvm-gcc -v 2>&1 | grep LLVM | sed -E "s/.*LLVM build ([0-9]+).*/\1/"` -gt "2333" ] \

    59    && echo true || echo false)

    61   ifeq ($(LLVM_SUPPORTS_STACKREALIGN), true)

    62     CXX32 ?= llvm-g++

    63     CC32  ?= llvm-gcc

    64   else

    65     CXX32 ?= g++-4.0

    66     CC32  ?= gcc-4.0

    67   endif

    68   CXX = $(CXX32)

    69   CC  = $(CC32)

    70   endif

    72   HOSTCXX = $(CXX)

    73   HOSTCC  = $(CC)

    74 endif

    76 AS   = $(CC) -c -x assembler-with-cpp

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

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

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

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

    83 # check for precompiled headers support

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

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

    86 ifneq ($(USE_PRECOMPILED_HEADER),0)

    87 PRECOMPILED_HEADER_DIR=.

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

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

    90 endif

    91 endif

    94 #------------------------------------------------------------------------

    95 # Compiler flags

    97 # position-independent code

    98 PICFLAG = -fPIC

   100 VM_PICFLAG/LIBJVM = $(PICFLAG)

   101 VM_PICFLAG/AOUT   =

   102 VM_PICFLAG        = $(VM_PICFLAG/$(LINK_INTO))

   104 ifeq ($(ZERO_BUILD), true)

   105 CFLAGS += $(LIBFFI_CFLAGS)

   106 endif

   107 ifeq ($(SHARK_BUILD), true)

   108 CFLAGS += $(LLVM_CFLAGS)

   109 endif

   110 CFLAGS += $(VM_PICFLAG)

   111 CFLAGS += -fno-rtti

   112 CFLAGS += -fno-exceptions

   113 CFLAGS += -pthread

   114 CFLAGS += -fcheck-new

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

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

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

   118 CFLAGS += -fvisibility=hidden

   119 endif

   121 ARCHFLAG = $(ARCHFLAG/$(BUILDARCH))

   122 ARCHFLAG/i486    = -m32 -march=i586

   123 ARCHFLAG/amd64   = -m64

   124 ARCHFLAG/ia64    =

   125 ARCHFLAG/sparc   = -m32 -mcpu=v9

   126 ARCHFLAG/sparcv9 = -m64 -mcpu=v9

   127 ARCHFLAG/zero    = $(ZERO_ARCHFLAG)

   129 # Darwin-specific build flags

   130 ifeq ($(OS_VENDOR), Darwin)

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

   132   ARCHFLAG/i486 += -mstackrealign

   133 endif

   135 CFLAGS     += $(ARCHFLAG)

   136 AOUT_FLAGS += $(ARCHFLAG)

   137 LFLAGS     += $(ARCHFLAG)

   138 ASFLAGS    += $(ARCHFLAG)

   140 ifdef E500V2

   141 CFLAGS += -DE500V2

   142 endif

   144 # Use C++ Interpreter

   145 ifdef CC_INTERP

   146   CFLAGS += -DCC_INTERP

   147 endif

   149 # Build for embedded targets

   150 ifdef JAVASE_EMBEDDED

   151   CFLAGS += -DJAVASE_EMBEDDED

   152 endif

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

   155 ifdef NEED_ASM

   156   CFLAGS += -save-temps

   157 else

   158   CFLAGS += -pipe

   159 endif

   161 # Compiler warnings are treated as errors

   162 ifneq ($(COMPILER_WARNINGS_FATAL),false)

   163   WARNINGS_ARE_ERRORS = -Werror

   164 endif

   166 # Except for a few acceptable ones

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

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

   169 # it off explicitly.

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

   171 ACCEPTABLE_WARNINGS = -Wpointer-arith -Wsign-compare

   172 else

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

   174 endif

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

   177 # Special cases

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

   179 # XXXDARWIN: for _dyld_bind_fully_image_containing_address

   180 ifeq ($(OS_VENDOR), Darwin)

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

   182 endif

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

   186 ifeq ($(OS_VENDOR), Darwin)

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

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

   189   OPT_CFLAGS += -Os

   190 else

   191   OPT_CFLAGS += -O3

   192 endif

   194 # Hotspot uses very unstrict aliasing turn this optimization off

   195 OPT_CFLAGS += -fno-strict-aliasing

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

   198 # if we use expensive-optimizations

   199 ifeq ($(BUILDARCH), ia64)

   200 OPT_CFLAGS += -fno-expensive-optimizations

   201 endif

   203 OPT_CFLAGS/NOOPT=-O0

   205 # 6835796. Problem in GCC 4.3.0 with mulnode.o optimized compilation.

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

   207 OPT_CFLAGS/mulnode.o += -O0

   208 endif

   210 # Flags for generating make dependency flags.

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

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

   213 endif

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

   216 ifeq ($(USE_PRECOMPILED_HEADER),0)

   217 CFLAGS += -DDONT_USE_PRECOMPILED_HEADER

   218 endif

   220 #------------------------------------------------------------------------

   221 # Linker flags

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

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

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

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

   228 STATIC_LIBGCC += -static-libgcc

   229 endif

   231 ifeq ($(BUILDARCH), ia64)

   232 LFLAGS += -Wl,-relax

   233 endif

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

   236 MAPFLAG = -Xlinker --version-script=FILENAME

   238 #

   239 # Shared Library

   240 #

   241 ifeq ($(OS_VENDOR), Darwin)

   242   # Standard linker flags

   243   LFLAGS +=

   245   # Darwin doesn't use ELF and doesn't support version scripts

   246   LDNOMAP = true

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

   249   SONAMEFLAG =

   251   # Build shared library

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

   254   # Keep symbols even they are not used

   255   #AOUT_FLAGS += -Xlinker -export-dynamic

   256 else

   257   # Enable linker optimization

   258   LFLAGS += -Xlinker -O1

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

   261   SONAMEFLAG = -Xlinker -soname=SONAME

   263   # Build shared library

   264   SHARED_FLAG = -shared $(VM_PICFLAG)

   266   # Keep symbols even they are not used

   267   AOUT_FLAGS += -Xlinker -export-dynamic

   268 endif

   270 #------------------------------------------------------------------------

   271 # Debug flags

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

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

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

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

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

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

   279 DEBUG_CFLAGS/ia64  = -g

   280 DEBUG_CFLAGS/amd64 = -g

   281 DEBUG_CFLAGS/arm   = -g

   282 DEBUG_CFLAGS/ppc   = -g

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

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

   285 DEBUG_CFLAGS += -gstabs

   286 endif

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

   289 ifeq ($(DEBUG_BINARIES), true)

   290   DEBUG_CFLAGS = -g

   291   CFLAGS += $(DEBUG_CFLAGS)

   292 endif

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

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

   296 ifdef HEADLESS

   297 CFLAGS += -DHEADLESS

   298 endif

   300 # We are building Embedded for a small device

   301 # favor code space over speed

   302 ifdef MINIMIZE_RAM_USAGE

   303 CFLAGS += -DMINIMIZE_RAM_USAGE

   304 endif

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

make/bsd/makefiles/gcc.make@719f7007c8e8

make/bsd/makefiles/gcc.make