#+
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# Copyright (c) 1998, 2012, Oracle and/or its affiliates. All rights reserved.+
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# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.+
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#+
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# This code is free software; you can redistribute it and/or modify it+
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# under the terms of the GNU General Public License version 2 only, as+
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# published by the Free Software Foundation.+
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#+
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# This code is distributed in the hope that it will be useful, but WITHOUT+
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# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or+
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# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License+
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# version 2 for more details (a copy is included in the LICENSE file that+
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# accompanied this code).+
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#+
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# You should have received a copy of the GNU General Public License version+
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# 2 along with this work; if not, write to the Free Software Foundation,+
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# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.+
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#+
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# Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA+
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# or visit www.oracle.com if you need additional information or have any+
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# questions.+
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#  +
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#+
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+
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#------------------------------------------------------------------------+
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# CC, CXX & AS+
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+
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# If a SPEC is not set already, then use these defaults.+
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ifeq ($(SPEC),)+
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  CXX = g+++
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  CC  = gcc+
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  AS  = $(CC) -c+
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  MCS = /usr/ccs/bin/mcs+
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endif+
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+
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Compiler = gcc+
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+
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# -dumpversion in gcc-2.91 shows "egcs-2.91.66". In later version, it only+
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# prints the numbers (e.g. "2.95", "3.2.1")+
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CC_VER_MAJOR := $(shell $(CC) -dumpversion | sed 's/egcs-//' | cut -d'.' -f1)+
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CC_VER_MINOR := $(shell $(CC) -dumpversion | sed 's/egcs-//' | cut -d'.' -f2)+
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+
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# Check for the versions of C++ and C compilers ($CXX and $CC) used. +
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+
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# Get the last thing on the line that looks like x.x+ (x is a digit).+
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COMPILER_REV := \+
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$(shell $(CXX) -dumpversion | sed 's/egcs-//' | cut -d'.' -f1)+
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CC_COMPILER_REV := \+
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$(shell $(CC) -dumpversion | sed 's/egcs-//' | cut -d'.' -f2)+
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+
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+
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# check for precompiled headers support+
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ifneq "$(shell expr \( $(CC_VER_MAJOR) \> 3 \) \| \( \( $(CC_VER_MAJOR) = 3 \) \& \( $(CC_VER_MINOR) \>= 4 \) \))" "0"+
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# Allow the user to turn off precompiled headers from the command line.+
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ifneq ($(USE_PRECOMPILED_HEADER),0)+
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PRECOMPILED_HEADER_DIR=.+
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PRECOMPILED_HEADER_SRC=$(GAMMADIR)/src/share/vm/precompiled/precompiled.hpp+
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PRECOMPILED_HEADER=$(PRECOMPILED_HEADER_DIR)/precompiled.hpp.gch+
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endif+
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endif+
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+
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+
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#------------------------------------------------------------------------+
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# Compiler flags+
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+
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# position-independent code+
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PICFLAG = -fPIC+
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+
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VM_PICFLAG/LIBJVM = $(PICFLAG)+
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VM_PICFLAG/AOUT   =+
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VM_PICFLAG        = $(VM_PICFLAG/$(LINK_INTO))+
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+
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CFLAGS += $(VM_PICFLAG)+
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CFLAGS += -fno-rtti+
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CFLAGS += -fno-exceptions+
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CFLAGS += -D_REENTRANT+
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CFLAGS += -fcheck-new+
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+
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ARCHFLAG = $(ARCHFLAG/$(BUILDARCH))+
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+
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ARCHFLAG/sparc   = -m32 -mcpu=v9+
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ARCHFLAG/sparcv9 = -m64 -mcpu=v9+
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ARCHFLAG/i486    = -m32 -march=i586+
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ARCHFLAG/amd64   = -m64 -march=k8+
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+
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+
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# Optional sub-directory in /usr/lib where BUILDARCH libraries are kept.+
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ISA_DIR=$(ISA_DIR/$(BUILDARCH))+
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ISA_DIR/amd64=/amd64+
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ISA_DIR/i486=+
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ISA_DIR/sparcv9=/64+
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+
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+
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CFLAGS     += $(ARCHFLAG)+
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AOUT_FLAGS += $(ARCHFLAG)+
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LFLAGS     += $(ARCHFLAG)+
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ASFLAGS    += $(ARCHFLAG)+
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+
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ifeq ($(BUILDARCH), amd64)+
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ASFLAGS += -march=k8  -march=amd64+
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LFLAGS += -march=k8 +
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endif+
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+
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+
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# Use C++ Interpreter+
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ifdef CC_INTERP+
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  CFLAGS += -DCC_INTERP+
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endif+
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+
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# Keep temporary files (.ii, .s)+
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ifdef NEED_ASM+
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  CFLAGS += -save-temps+
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else+
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  CFLAGS += -pipe+
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endif+
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+
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+
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# Compiler warnings are treated as errors +
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WARNINGS_ARE_ERRORS = -Werror +
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# Enable these warnings. See 'info gcc' about details on these options+
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WARNING_FLAGS = -Wpointer-arith -Wconversion -Wsign-compare -Wundef+
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CFLAGS_WARN/DEFAULT = $(WARNINGS_ARE_ERRORS) $(WARNING_FLAGS)+
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# Special cases +
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CFLAGS_WARN/BYFILE = $(CFLAGS_WARN/$@)$(CFLAGS_WARN/DEFAULT$(CFLAGS_WARN/$@))  +
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+
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# The flags to use for an Optimized g++ build+
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OPT_CFLAGS += -O3+
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+
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# Hotspot uses very unstrict aliasing turn this optimization off+
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OPT_CFLAGS += -fno-strict-aliasing+
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+
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# The gcc compiler segv's on ia64 when compiling bytecodeInterpreter.cpp +
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# if we use expensive-optimizations+
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# Note: all ia64 setting reflect the ones for linux+
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# No actial testing was performed: there is no Solaris on ia64 presently+
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ifeq ($(BUILDARCH), ia64)+
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OPT_CFLAGS/bytecodeInterpreter.o += -fno-expensive-optimizations+
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endif+
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+
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OPT_CFLAGS/NOOPT=-O0+
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+
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# Flags for generating make dependency flags.+
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ifneq ("${CC_VER_MAJOR}", "2")+
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DEPFLAGS = -fpch-deps -MMD -MP -MF $(DEP_DIR)/$(@:%=%.d)+
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endif+
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+
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# -DDONT_USE_PRECOMPILED_HEADER will exclude all includes in precompiled.hpp.+
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ifeq ($(USE_PRECOMPILED_HEADER),0)+
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CFLAGS += -DDONT_USE_PRECOMPILED_HEADER+
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endif+
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+
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#------------------------------------------------------------------------+
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# Linker flags+
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+
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# statically link libstdc++.so, work with gcc but ignored by g+++
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STATIC_STDCXX = -Wl,-Bstatic -lstdc++ -Wl,-Bdynamic+
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+
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# statically link libgcc and/or libgcc_s, libgcc does not exist before gcc-3.x.+
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ifneq ("${CC_VER_MAJOR}", "2")+
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STATIC_LIBGCC += -static-libgcc+
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endif+
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+
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ifeq ($(BUILDARCH), ia64)+
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# Note: all ia64 setting reflect the ones for linux+
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# No actial testing was performed: there is no Solaris on ia64 presently+
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LFLAGS += -Wl,-relax+
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endif+
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+
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ifdef USE_GNULD+
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# Enable linker optimization+
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LFLAGS += -Xlinker -O1+
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+
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# Use $(MAPFLAG:FILENAME=real_file_name) to specify a map file.+
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MAPFLAG = -Xlinker --version-script=FILENAME +
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else +
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MAPFLAG = -Xlinker -M -Xlinker FILENAME +
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endif +
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+
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# Use $(SONAMEFLAG:SONAME=soname) to specify the intrinsic name of a shared obj+
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SONAMEFLAG = -Xlinker -soname=SONAME+
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+
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# Build shared library+
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SHARED_FLAG = -shared+
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+
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#------------------------------------------------------------------------+
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# Debug flags+
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+
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# Use the stabs format for debugging information (this is the default +
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# on gcc-2.91). It's good enough, has all the information about line +
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# numbers and local variables, and libjvm.so is only about 16M. +
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# Change this back to "-g" if you want the most expressive format. +
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# (warning: that could easily inflate libjvm.so to 150M!) +
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# Note: The Itanium gcc compiler crashes when using -gstabs. +
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DEBUG_CFLAGS/ia64  = -g +
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DEBUG_CFLAGS/amd64 = -g +
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DEBUG_CFLAGS += $(DEBUG_CFLAGS/$(BUILDARCH)) +
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ifeq ($(DEBUG_CFLAGS/$(BUILDARCH)),) +
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DEBUG_CFLAGS += -gstabs +
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endif +
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