jdk8-mips64-public/hotspot: make/bsd/makefiles/gcc.make@64b46f975ab8

7142616: MAC: Honor ALT_EXPORT_PATH overrides from JDK control builds
Summary: Fix EXPORT_PATH overrides on Mac OS X and only change default.
Reviewed-by: phh, dcubed
Contributed-by: james.melvin@oracle.com

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, CPP & AS

    30 # When cross-compiling the ALT_COMPILER_PATH points

    31 # to the cross-compilation toolset

    32 ifdef CROSS_COMPILE_ARCH

    33  CPP = $(ALT_COMPILER_PATH)/g++

    34  CC  = $(ALT_COMPILER_PATH)/gcc

    35  HOSTCPP = g++

    36  HOSTCC  = gcc

    37 else ifneq ($(OS_VENDOR), Darwin)

    38  CXX = g++

    39  CPP = $(CXX)

    40  CC  = gcc

    41  HOSTCPP = $(CPP)

    42  HOSTCC  = $(CC)

    43 endif

    45 # i486 hotspot requires -mstackrealign on Darwin.

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

    47 # gcc-4.0 supports this on earlier versions.

    48 # Prefer llvm-gcc where available.

    49 ifeq ($(OS_VENDOR), Darwin)

    50   ifeq ($(origin CXX), default)

    51    CXX = llvm-g++

    52   endif

    53   ifeq ($(origin CC), default)

    54    CC  = llvm-gcc

    55   endif

    56   CPP  = $(CXX)

    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   CPP = $(CXX32)

    71   CC  = $(CC32)

    72   endif

    74   HOSTCPP = $(CPP)

    75   HOSTCC  = $(CC)

    76 endif

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

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

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

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

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

    85 # check for precompiled headers support

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

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

    88 ifneq ($(USE_PRECOMPILED_HEADER),0)

    89 PRECOMPILED_HEADER_DIR=.

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

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

    92 endif

    93 endif

    96 #------------------------------------------------------------------------

    97 # Compiler flags

    99 # position-independent code

   100 PICFLAG = -fPIC

   102 VM_PICFLAG/LIBJVM = $(PICFLAG)

   103 VM_PICFLAG/AOUT   =

   104 VM_PICFLAG        = $(VM_PICFLAG/$(LINK_INTO))

   106 ifeq ($(ZERO_BUILD), true)

   107 CFLAGS += $(LIBFFI_CFLAGS)

   108 endif

   109 ifeq ($(SHARK_BUILD), true)

   110 CFLAGS += $(LLVM_CFLAGS)

   111 endif

   112 CFLAGS += $(VM_PICFLAG)

   113 CFLAGS += -fno-rtti

   114 CFLAGS += -fno-exceptions

   115 CFLAGS += -pthread

   116 CFLAGS += -fcheck-new

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

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

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

   120 CFLAGS += -fvisibility=hidden

   121 endif

   123 ARCHFLAG = $(ARCHFLAG/$(BUILDARCH))

   124 ARCHFLAG/i486    = -m32 -march=i586

   125 ARCHFLAG/amd64   = -m64

   126 ARCHFLAG/ia64    =

   127 ARCHFLAG/sparc   = -m32 -mcpu=v9

   128 ARCHFLAG/sparcv9 = -m64 -mcpu=v9

   129 ARCHFLAG/zero    = $(ZERO_ARCHFLAG)

   131 # Darwin-specific build flags

   132 ifeq ($(OS_VENDOR), Darwin)

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

   134   ARCHFLAG/i486 += -mstackrealign

   135 endif

   137 CFLAGS     += $(ARCHFLAG)

   138 AOUT_FLAGS += $(ARCHFLAG)

   139 LFLAGS     += $(ARCHFLAG)

   140 ASFLAGS    += $(ARCHFLAG)

   142 ifdef E500V2

   143 CFLAGS += -DE500V2

   144 endif

   146 # Use C++ Interpreter

   147 ifdef CC_INTERP

   148   CFLAGS += -DCC_INTERP

   149 endif

   151 # Build for embedded targets

   152 ifdef JAVASE_EMBEDDED

   153   CFLAGS += -DJAVASE_EMBEDDED

   154 endif

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

   157 ifdef NEED_ASM

   158   CFLAGS += -save-temps

   159 else

   160   CFLAGS += -pipe

   161 endif

   163 # Compiler warnings are treated as errors

   164 ifneq ($(COMPILER_WARNINGS_FATAL),false)

   165   WARNINGS_ARE_ERRORS = -Werror

   166 endif

   168 # Except for a few acceptable ones

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

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

   171 # it off explicitly.

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

   173 ACCEPTABLE_WARNINGS = -Wpointer-arith -Wsign-compare

   174 else

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

   176 endif

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

   179 # Special cases

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

   181 # XXXDARWIN: for _dyld_bind_fully_image_containing_address

   182 ifeq ($(OS_VENDOR), Darwin)

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

   184 endif

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

   188 ifeq ($(OS_VENDOR), Darwin)

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

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

   191   OPT_CFLAGS += -Os

   192 else

   193   OPT_CFLAGS += -O3

   194 endif

   196 # Hotspot uses very unstrict aliasing turn this optimization off

   197 OPT_CFLAGS += -fno-strict-aliasing

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

   200 # if we use expensive-optimizations

   201 ifeq ($(BUILDARCH), ia64)

   202 OPT_CFLAGS += -fno-expensive-optimizations

   203 endif

   205 OPT_CFLAGS/NOOPT=-O0

   207 # 6835796. Problem in GCC 4.3.0 with mulnode.o optimized compilation.

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

   209 OPT_CFLAGS/mulnode.o += -O0

   210 endif

   212 # Flags for generating make dependency flags.

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

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

   215 endif

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

   218 ifeq ($(USE_PRECOMPILED_HEADER),0)

   219 CFLAGS += -DDONT_USE_PRECOMPILED_HEADER

   220 endif

   222 #------------------------------------------------------------------------

   223 # Linker flags

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

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

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

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

   230 STATIC_LIBGCC += -static-libgcc

   231 endif

   233 ifeq ($(BUILDARCH), ia64)

   234 LFLAGS += -Wl,-relax

   235 endif

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

   238 MAPFLAG = -Xlinker --version-script=FILENAME

   240 #

   241 # Shared Library

   242 #

   243 ifeq ($(OS_VENDOR), Darwin)

   244   # Standard linker flags

   245   LFLAGS +=

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

   248   LDNOMAP = true

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

   251   SONAMEFLAG =

   253   # Build shared library

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

   256   # Keep symbols even they are not used

   257   #AOUT_FLAGS += -Xlinker -export-dynamic

   258 else

   259   # Enable linker optimization

   260   LFLAGS += -Xlinker -O1

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

   263   SONAMEFLAG = -Xlinker -soname=SONAME

   265   # Build shared library

   266   SHARED_FLAG = -shared $(VM_PICFLAG)

   268   # Keep symbols even they are not used

   269   AOUT_FLAGS += -Xlinker -export-dynamic

   270 endif

   272 #------------------------------------------------------------------------

   273 # Debug flags

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

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

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

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

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

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

   281 DEBUG_CFLAGS/ia64  = -g

   282 DEBUG_CFLAGS/amd64 = -g

   283 DEBUG_CFLAGS/arm   = -g

   284 DEBUG_CFLAGS/ppc   = -g

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

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

   287 DEBUG_CFLAGS += -gstabs

   288 endif

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

   291 ifeq ($(DEBUG_BINARIES), true)

   292   DEBUG_CFLAGS = -g

   293   CFLAGS += $(DEBUG_CFLAGS)

   294 endif

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

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

   298 ifdef HEADLESS

   299 CFLAGS += -DHEADLESS

   300 endif

   302 # We are building Embedded for a small device

   303 # favor code space over speed

   304 ifdef MINIMIZE_RAM_USAGE

   305 CFLAGS += -DMINIMIZE_RAM_USAGE

   306 endif

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

make/bsd/makefiles/gcc.make@64b46f975ab8

make/bsd/makefiles/gcc.make