jdk8-mips64-public/hotspot: make/solaris/makefiles/gcc.make@7292cff45988

7141244: build-infra merge: Include $(SPEC) in makefiles and make variables overridable
Reviewed-by: dholmes, ohrstrom, ohair, jcoomes

1 #

     2 # Copyright (c) 1998, 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 # If a SPEC is not set already, then use these defaults.

    29 ifeq ($(SPEC),)

    30   CXX = g++

    31   CC  = gcc

    32   AS  = $(CC) -c

    33   MCS = /usr/ccs/bin/mcs

    34 endif

    36 Compiler = gcc

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

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

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

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

    43 # Check for the versions of C++ and C compilers ($CXX and $CC) used.

    45 # Get the last thing on the line that looks like x.x+ (x is a digit).

    46 COMPILER_REV := \

    47 $(shell $(CXX) -dumpversion | sed 's/egcs-//' | cut -d'.' -f1)

    48 CC_COMPILER_REV := \

    49 $(shell $(CC) -dumpversion | sed 's/egcs-//' | cut -d'.' -f2)

    52 # check for precompiled headers support

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

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

    55 ifneq ($(USE_PRECOMPILED_HEADER),0)

    56 PRECOMPILED_HEADER_DIR=.

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

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

    59 endif

    60 endif

    63 #------------------------------------------------------------------------

    64 # Compiler flags

    66 # position-independent code

    67 PICFLAG = -fPIC

    69 VM_PICFLAG/LIBJVM = $(PICFLAG)

    70 VM_PICFLAG/AOUT   =

    71 VM_PICFLAG        = $(VM_PICFLAG/$(LINK_INTO))

    73 CFLAGS += $(VM_PICFLAG)

    74 CFLAGS += -fno-rtti

    75 CFLAGS += -fno-exceptions

    76 CFLAGS += -D_REENTRANT

    77 CFLAGS += -fcheck-new

    79 ARCHFLAG = $(ARCHFLAG/$(BUILDARCH))

    81 ARCHFLAG/sparc   = -m32 -mcpu=v9

    82 ARCHFLAG/sparcv9 = -m64 -mcpu=v9

    83 ARCHFLAG/i486    = -m32 -march=i586

    84 ARCHFLAG/amd64   = -m64 -march=k8

    87 # Optional sub-directory in /usr/lib where BUILDARCH libraries are kept.

    88 ISA_DIR=$(ISA_DIR/$(BUILDARCH))

    89 ISA_DIR/amd64=/amd64

    90 ISA_DIR/i486=

    91 ISA_DIR/sparcv9=/64

    94 CFLAGS     += $(ARCHFLAG)

    95 AOUT_FLAGS += $(ARCHFLAG)

    96 LFLAGS     += $(ARCHFLAG)

    97 ASFLAGS    += $(ARCHFLAG)

    99 ifeq ($(BUILDARCH), amd64)

   100 ASFLAGS += -march=k8  -march=amd64

   101 LFLAGS += -march=k8

   102 endif

   105 # Use C++ Interpreter

   106 ifdef CC_INTERP

   107   CFLAGS += -DCC_INTERP

   108 endif

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

   111 ifdef NEED_ASM

   112   CFLAGS += -save-temps

   113 else

   114   CFLAGS += -pipe

   115 endif

   118 # Compiler warnings are treated as errors

   119 WARNINGS_ARE_ERRORS = -Werror

   120 # Enable these warnings. See 'info gcc' about details on these options

   121 ADDITIONAL_WARNINGS = -Wpointer-arith -Wconversion -Wsign-compare

   122 CFLAGS_WARN/DEFAULT = $(WARNINGS_ARE_ERRORS) $(ADDITIONAL_WARNINGS)

   123 # Special cases

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

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

   127 OPT_CFLAGS += -O3

   129 # Hotspot uses very unstrict aliasing turn this optimization off

   130 OPT_CFLAGS += -fno-strict-aliasing

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

   133 # if we use expensive-optimizations

   134 # Note: all ia64 setting reflect the ones for linux

   135 # No actial testing was performed: there is no Solaris on ia64 presently

   136 ifeq ($(BUILDARCH), ia64)

   137 OPT_CFLAGS/bytecodeInterpreter.o += -fno-expensive-optimizations

   138 endif

   140 OPT_CFLAGS/NOOPT=-O0

   142 # Flags for generating make dependency flags.

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

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

   145 endif

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

   148 ifeq ($(USE_PRECOMPILED_HEADER),0)

   149 CFLAGS += -DDONT_USE_PRECOMPILED_HEADER

   150 endif

   152 #------------------------------------------------------------------------

   153 # Linker flags

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

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

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

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

   160 STATIC_LIBGCC += -static-libgcc

   161 endif

   163 ifeq ($(BUILDARCH), ia64)

   164 # Note: all ia64 setting reflect the ones for linux

   165 # No actial testing was performed: there is no Solaris on ia64 presently

   166 LFLAGS += -Wl,-relax

   167 endif

   169 ifdef USE_GNULD

   170 # Enable linker optimization

   171 LFLAGS += -Xlinker -O1

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

   174 MAPFLAG = -Xlinker --version-script=FILENAME

   175 else

   176 MAPFLAG = -Xlinker -M -Xlinker FILENAME

   177 endif

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

   180 SONAMEFLAG = -Xlinker -soname=SONAME

   182 # Build shared library

   183 SHARED_FLAG = -shared

   185 #------------------------------------------------------------------------

   186 # Debug flags

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

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

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

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

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

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

   194 DEBUG_CFLAGS/ia64  = -g

   195 DEBUG_CFLAGS/amd64 = -g

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

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

   198 DEBUG_CFLAGS += -gstabs

   199 endif

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