make/bsd/makefiles/gcc.make

Sun, 25 Sep 2011 16:03:29 -0700

author
never
date
Sun, 25 Sep 2011 16:03:29 -0700
changeset 3156
f08d439fab8c
child 3202
436b4a3231bf
permissions
-rw-r--r--

7089790: integrate bsd-port changes
Reviewed-by: kvn, twisti, jrose
Contributed-by: Kurt Miller <kurt@intricatesoftware.com>, Greg Lewis <glewis@eyesbeyond.com>, Jung-uk Kim <jkim@freebsd.org>, Christos Zoulas <christos@zoulas.com>, Landon Fuller <landonf@plausible.coop>, The FreeBSD Foundation <board@freebsdfoundation.org>, Michael Franz <mvfranz@gmail.com>, Roger Hoover <rhoover@apple.com>, Alexander Strange <astrange@apple.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 CXX = $(ALT_COMPILER_PATH)/g++
    34 CPP = $(ALT_COMPILER_PATH)/g++
    35 CC  = $(ALT_COMPILER_PATH)/gcc
    36 HOSTCPP = g++
    37 HOSTCC  = gcc
    38 else
    39 CXX ?= g++
    40 CPP = $(CXX)
    41 CC  ?= gcc
    42 HOSTCPP = $(CPP)
    43 HOSTCC  = $(CPP)
    44 endif
    46 AS   = $(CC) -c -x assembler-with-cpp
    48 # -dumpversion in gcc-2.91 shows "egcs-2.91.66". In later version, it only
    49 # prints the numbers (e.g. "2.95", "3.2.1")
    50 CC_VER_MAJOR := $(shell $(CC) -dumpversion | sed 's/egcs-//' | cut -d'.' -f1)
    51 CC_VER_MINOR := $(shell $(CC) -dumpversion | sed 's/egcs-//' | cut -d'.' -f2)
    53 # check for precompiled headers support
    54 ifneq "$(shell expr \( $(CC_VER_MAJOR) \> 3 \) \| \( \( $(CC_VER_MAJOR) = 3 \) \& \( $(CC_VER_MINOR) \>= 4 \) \))" "0"
    55 # Allow the user to turn off precompiled headers from the command line.
    56 ifneq ($(USE_PRECOMPILED_HEADER),0)
    57 USE_PRECOMPILED_HEADER=1
    58 PRECOMPILED_HEADER_DIR=.
    59 PRECOMPILED_HEADER_SRC=$(GAMMADIR)/src/share/vm/precompiled.hpp
    60 PRECOMPILED_HEADER=$(PRECOMPILED_HEADER_DIR)/precompiled.hpp.gch
    61 endif
    62 endif
    65 #------------------------------------------------------------------------
    66 # Compiler flags
    68 # position-independent code
    69 PICFLAG = -fPIC
    71 VM_PICFLAG/LIBJVM = $(PICFLAG)
    72 VM_PICFLAG/AOUT   =
    73 VM_PICFLAG        = $(VM_PICFLAG/$(LINK_INTO))
    75 ifeq ($(ZERO_BUILD), true)
    76 CFLAGS += $(LIBFFI_CFLAGS)
    77 endif
    78 ifeq ($(SHARK_BUILD), true)
    79 CFLAGS += $(LLVM_CFLAGS)
    80 endif
    81 CFLAGS += $(VM_PICFLAG)
    82 CFLAGS += -fno-rtti
    83 CFLAGS += -fno-exceptions
    84 CFLAGS += -pthread
    85 CFLAGS += -fcheck-new
    86 # version 4 and above support fvisibility=hidden (matches jni_x86.h file)
    87 # except 4.1.2 gives pointless warnings that can't be disabled (afaik)
    88 ifneq "$(shell expr \( $(CC_VER_MAJOR) \> 4 \) \| \( \( $(CC_VER_MAJOR) = 4 \) \& \( $(CC_VER_MINOR) \>= 3 \) \))" "0"
    89 CFLAGS += -fvisibility=hidden
    90 endif
    92 ARCHFLAG = $(ARCHFLAG/$(BUILDARCH))
    93 ARCHFLAG/i486    = -m32 -march=i586
    94 ARCHFLAG/amd64   = -m64
    95 ARCHFLAG/ia64    =
    96 ARCHFLAG/sparc   = -m32 -mcpu=v9
    97 ARCHFLAG/sparcv9 = -m64 -mcpu=v9
    98 ARCHFLAG/zero    = $(ZERO_ARCHFLAG)
   100 # Darwin-specific build flags
   101 ifeq ($(OS_VENDOR), Darwin)
   102   # Ineffecient 16-byte stack re-alignment on Darwin/IA32
   103   ARCHFLAG/i486 += -mstackrealign
   104 endif
   106 CFLAGS     += $(ARCHFLAG)
   107 AOUT_FLAGS += $(ARCHFLAG)
   108 LFLAGS     += $(ARCHFLAG)
   109 ASFLAGS    += $(ARCHFLAG)
   111 ifdef E500V2
   112 CFLAGS += -DE500V2
   113 endif
   115 # Use C++ Interpreter
   116 ifdef CC_INTERP
   117   CFLAGS += -DCC_INTERP
   118 endif
   120 # Build for embedded targets
   121 ifdef JAVASE_EMBEDDED
   122   CFLAGS += -DJAVASE_EMBEDDED
   123 endif
   125 # Keep temporary files (.ii, .s)
   126 ifdef NEED_ASM
   127   CFLAGS += -save-temps
   128 else
   129   CFLAGS += -pipe
   130 endif
   132 # Compiler warnings are treated as errors
   133 WARNINGS_ARE_ERRORS = -Werror
   135 # Except for a few acceptable ones
   136 # Since GCC 4.3, -Wconversion has changed its meanings to warn these implicit
   137 # conversions which might affect the values. To avoid that, we need to turn
   138 # it off explicitly. 
   139 ifneq "$(shell expr \( $(CC_VER_MAJOR) \> 4 \) \| \( \( $(CC_VER_MAJOR) = 4 \) \& \( $(CC_VER_MINOR) \>= 3 \) \))" "0"
   140 ACCEPTABLE_WARNINGS = -Wpointer-arith -Wsign-compare
   141 else
   142 ACCEPTABLE_WARNINGS = -Wpointer-arith -Wconversion -Wsign-compare
   143 endif
   145 CFLAGS_WARN/DEFAULT = $(WARNINGS_ARE_ERRORS) $(ACCEPTABLE_WARNINGS)
   146 # Special cases
   147 CFLAGS_WARN/BYFILE = $(CFLAGS_WARN/$@)$(CFLAGS_WARN/DEFAULT$(CFLAGS_WARN/$@)) 
   148 # XXXDARWIN: for _dyld_bind_fully_image_containing_address
   149 ifeq ($(OS_VENDOR), Darwin)
   150   CFLAGS_WARN/os_bsd.o = $(CFLAGS_WARN/DEFAULT) -Wno-deprecated-declarations
   151 endif
   154 # The flags to use for an Optimized g++ build
   155 OPT_CFLAGS += -O3
   157 # Hotspot uses very unstrict aliasing turn this optimization off
   158 OPT_CFLAGS += -fno-strict-aliasing
   160 # The gcc compiler segv's on ia64 when compiling bytecodeInterpreter.cpp 
   161 # if we use expensive-optimizations
   162 ifeq ($(BUILDARCH), ia64)
   163 OPT_CFLAGS += -fno-expensive-optimizations
   164 endif
   166 OPT_CFLAGS/NOOPT=-O0
   168 # 6835796. Problem in GCC 4.3.0 with mulnode.o optimized compilation. 
   169 ifneq "$(shell expr \( \( $(CC_VER_MAJOR) = 4 \) \& \( $(CC_VER_MINOR) = 3 \) \))" "0"
   170 OPT_CFLAGS/mulnode.o += -O0
   171 endif
   173 # Flags for generating make dependency flags.
   174 ifneq ("${CC_VER_MAJOR}", "2")
   175 DEPFLAGS = -MMD -MP -MF $(DEP_DIR)/$(@:%=%.d)
   176 endif
   178 # -DDONT_USE_PRECOMPILED_HEADER will exclude all includes in precompiled.hpp.
   179 ifneq ($(USE_PRECOMPILED_HEADER),1)
   180 CFLAGS += -DDONT_USE_PRECOMPILED_HEADER
   181 endif
   183 #------------------------------------------------------------------------
   184 # Linker flags
   186 # statically link libstdc++.so, work with gcc but ignored by g++
   187 STATIC_STDCXX = -Wl,-Bstatic -lstdc++ -Wl,-Bdynamic
   189 # statically link libgcc and/or libgcc_s, libgcc does not exist before gcc-3.x.
   190 ifneq ("${CC_VER_MAJOR}", "2")
   191 STATIC_LIBGCC += -static-libgcc
   192 endif
   194 ifeq ($(BUILDARCH), ia64)
   195 LFLAGS += -Wl,-relax
   196 endif
   198 # Use $(MAPFLAG:FILENAME=real_file_name) to specify a map file.
   199 MAPFLAG = -Xlinker --version-script=FILENAME
   201 #
   202 # Shared Library
   203 #
   204 ifeq ($(OS_VENDOR), Darwin)
   205   # Standard linker flags
   206   LFLAGS +=
   208   # Darwin doesn't use ELF and doesn't support version scripts
   209   LDNOMAP = true
   211   # Use $(SONAMEFLAG:SONAME=soname) to specify the intrinsic name of a shared obj
   212   SONAMEFLAG =
   214   # Build shared library
   215   SHARED_FLAG = -dynamiclib $(VM_PICFLAG)
   217   # Keep symbols even they are not used
   218   #AOUT_FLAGS += -Xlinker -export-dynamic
   219 else
   220   # Enable linker optimization
   221   LFLAGS += -Xlinker -O1
   223   # Use $(SONAMEFLAG:SONAME=soname) to specify the intrinsic name of a shared obj
   224   SONAMEFLAG = -Xlinker -soname=SONAME
   226   # Build shared library
   227   SHARED_FLAG = -shared $(VM_PICFLAG)
   229   # Keep symbols even they are not used
   230   AOUT_FLAGS += -Xlinker -export-dynamic
   231 endif
   233 #------------------------------------------------------------------------
   234 # Debug flags
   236 # Use the stabs format for debugging information (this is the default
   237 # on gcc-2.91). It's good enough, has all the information about line
   238 # numbers and local variables, and libjvm_g.so is only about 16M.
   239 # Change this back to "-g" if you want the most expressive format.
   240 # (warning: that could easily inflate libjvm_g.so to 150M!)
   241 # Note: The Itanium gcc compiler crashes when using -gstabs.
   242 DEBUG_CFLAGS/ia64  = -g
   243 DEBUG_CFLAGS/amd64 = -g
   244 DEBUG_CFLAGS/arm   = -g
   245 DEBUG_CFLAGS/ppc   = -g
   246 DEBUG_CFLAGS += $(DEBUG_CFLAGS/$(BUILDARCH))
   247 ifeq ($(DEBUG_CFLAGS/$(BUILDARCH)),)
   248 DEBUG_CFLAGS += -gstabs
   249 endif
   251 # DEBUG_BINARIES overrides everything, use full -g debug information
   252 ifeq ($(DEBUG_BINARIES), true)
   253   DEBUG_CFLAGS = -g
   254   CFLAGS += $(DEBUG_CFLAGS)
   255 endif
   257 # If we are building HEADLESS, pass on to VM
   258 # so it can set the java.awt.headless property
   259 ifdef HEADLESS
   260 CFLAGS += -DHEADLESS
   261 endif
   263 # We are building Embedded for a small device
   264 # favor code space over speed
   265 ifdef MINIMIZE_RAM_USAGE
   266 CFLAGS += -DMINIMIZE_RAM_USAGE
   267 endif

mercurial