aoqi@0: #
aoqi@0: # Copyright (c) 1998, 2013, Oracle and/or its affiliates. All rights reserved.
aoqi@0: # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0: #
aoqi@0: # This code is free software; you can redistribute it and/or modify it
aoqi@0: # under the terms of the GNU General Public License version 2 only, as
aoqi@0: # published by the Free Software Foundation.
aoqi@0: #
aoqi@0: # This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0: # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0: # FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
aoqi@0: # version 2 for more details (a copy is included in the LICENSE file that
aoqi@0: # accompanied this code).
aoqi@0: #
aoqi@0: # You should have received a copy of the GNU General Public License version
aoqi@0: # 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0: # Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0: #
aoqi@0: # Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0: # or visit www.oracle.com if you need additional information or have any
aoqi@0: # questions.
aoqi@0: #  
aoqi@0: #
aoqi@0: 
aoqi@0: #------------------------------------------------------------------------
aoqi@0: # CC, CXX & AS
aoqi@0: 
aoqi@0: # If a SPEC is not set already, then use these defaults.
aoqi@0: ifeq ($(SPEC),)
aoqi@0:   CXX = g++
aoqi@0:   CC  = gcc
aoqi@0:   AS  = $(CC) -c
aoqi@0:   MCS = /usr/ccs/bin/mcs
aoqi@0: endif
aoqi@0: 
aoqi@0: Compiler = gcc
aoqi@0: 
aoqi@0: # -dumpversion in gcc-2.91 shows "egcs-2.91.66". In later version, it only
aoqi@0: # prints the numbers (e.g. "2.95", "3.2.1")
aoqi@0: CC_VER_MAJOR := $(shell $(CC) -dumpversion | sed 's/egcs-//' | cut -d'.' -f1)
aoqi@0: CC_VER_MINOR := $(shell $(CC) -dumpversion | sed 's/egcs-//' | cut -d'.' -f2)
aoqi@0: 
aoqi@0: # Check for the versions of C++ and C compilers ($CXX and $CC) used. 
aoqi@0: 
aoqi@0: # Get the last thing on the line that looks like x.x+ (x is a digit).
aoqi@0: COMPILER_REV := \
aoqi@0: $(shell $(CXX) -dumpversion | sed 's/egcs-//' | cut -d'.' -f1)
aoqi@0: CC_COMPILER_REV := \
aoqi@0: $(shell $(CC) -dumpversion | sed 's/egcs-//' | cut -d'.' -f2)
aoqi@0: 
aoqi@0: 
aoqi@0: # check for precompiled headers support
aoqi@0: ifneq "$(shell expr \( $(CC_VER_MAJOR) \> 3 \) \| \( \( $(CC_VER_MAJOR) = 3 \) \& \( $(CC_VER_MINOR) \>= 4 \) \))" "0"
aoqi@0: # Allow the user to turn off precompiled headers from the command line.
aoqi@0: ifneq ($(USE_PRECOMPILED_HEADER),0)
aoqi@0: PRECOMPILED_HEADER_DIR=.
aoqi@0: PRECOMPILED_HEADER_SRC=$(GAMMADIR)/src/share/vm/precompiled/precompiled.hpp
aoqi@0: PRECOMPILED_HEADER=$(PRECOMPILED_HEADER_DIR)/precompiled.hpp.gch
aoqi@0: endif
aoqi@0: endif
aoqi@0: 
aoqi@0: 
aoqi@0: #------------------------------------------------------------------------
aoqi@0: # Compiler flags
aoqi@0: 
aoqi@0: # position-independent code
aoqi@0: PICFLAG = -fPIC
aoqi@0: 
aoqi@0: VM_PICFLAG/LIBJVM = $(PICFLAG)
aoqi@0: VM_PICFLAG/AOUT   =
aoqi@0: VM_PICFLAG        = $(VM_PICFLAG/$(LINK_INTO))
aoqi@0: 
aoqi@0: CFLAGS += $(VM_PICFLAG)
aoqi@0: CFLAGS += -fno-rtti
aoqi@0: CFLAGS += -fno-exceptions
aoqi@0: CFLAGS += -D_REENTRANT
aoqi@0: CFLAGS += -fcheck-new
aoqi@0: 
aoqi@0: ARCHFLAG = $(ARCHFLAG/$(BUILDARCH))
aoqi@0: 
aoqi@0: ARCHFLAG/sparc   = -m32 -mcpu=v9
aoqi@0: ARCHFLAG/sparcv9 = -m64 -mcpu=v9
aoqi@0: ARCHFLAG/i486    = -m32 -march=i586
aoqi@0: ARCHFLAG/amd64   = -m64 -march=k8
aoqi@0: 
aoqi@0: 
aoqi@0: # Optional sub-directory in /usr/lib where BUILDARCH libraries are kept.
aoqi@0: ISA_DIR=$(ISA_DIR/$(BUILDARCH))
aoqi@0: ISA_DIR/amd64=/amd64
aoqi@0: ISA_DIR/i486=
aoqi@0: ISA_DIR/sparcv9=/64
aoqi@0: 
aoqi@0: 
aoqi@0: CFLAGS     += $(ARCHFLAG)
aoqi@0: AOUT_FLAGS += $(ARCHFLAG)
aoqi@0: LFLAGS     += $(ARCHFLAG)
aoqi@0: ASFLAGS    += $(ARCHFLAG)
aoqi@0: 
aoqi@0: ifeq ($(BUILDARCH), amd64)
aoqi@0: ASFLAGS += -march=k8  -march=amd64
aoqi@0: LFLAGS += -march=k8 
aoqi@0: endif
aoqi@0: 
aoqi@0: 
aoqi@0: # Use C++ Interpreter
aoqi@0: ifdef CC_INTERP
aoqi@0:   CFLAGS += -DCC_INTERP
aoqi@0: endif
aoqi@0: 
aoqi@0: # Keep temporary files (.ii, .s)
aoqi@0: ifdef NEED_ASM
aoqi@0:   CFLAGS += -save-temps
aoqi@0: else
aoqi@0:   CFLAGS += -pipe
aoqi@0: endif
aoqi@0: 
aoqi@0: 
aoqi@0: # Compiler warnings are treated as errors 
aoqi@0: WARNINGS_ARE_ERRORS = -Werror 
aoqi@0: # Enable these warnings. See 'info gcc' about details on these options
aoqi@0: WARNING_FLAGS = -Wpointer-arith -Wconversion -Wsign-compare -Wundef
aoqi@0: CFLAGS_WARN/DEFAULT = $(WARNINGS_ARE_ERRORS) $(WARNING_FLAGS)
aoqi@0: # Special cases 
aoqi@0: CFLAGS_WARN/BYFILE = $(CFLAGS_WARN/$@)$(CFLAGS_WARN/DEFAULT$(CFLAGS_WARN/$@))  
aoqi@0: 
aoqi@0: # The flags to use for an Optimized g++ build
aoqi@0: OPT_CFLAGS += -O3
aoqi@0: 
aoqi@0: # Hotspot uses very unstrict aliasing turn this optimization off
aoqi@0: OPT_CFLAGS += -fno-strict-aliasing
aoqi@0: 
aoqi@0: # The gcc compiler segv's on ia64 when compiling bytecodeInterpreter.cpp 
aoqi@0: # if we use expensive-optimizations
aoqi@0: # Note: all ia64 setting reflect the ones for linux
aoqi@0: # No actial testing was performed: there is no Solaris on ia64 presently
aoqi@0: ifeq ($(BUILDARCH), ia64)
aoqi@0: OPT_CFLAGS/bytecodeInterpreter.o += -fno-expensive-optimizations
aoqi@0: endif
aoqi@0: 
aoqi@0: OPT_CFLAGS/NOOPT=-O0
aoqi@0: 
aoqi@0: # Flags for generating make dependency flags.
aoqi@0: ifneq ("${CC_VER_MAJOR}", "2")
aoqi@0: DEPFLAGS = -fpch-deps -MMD -MP -MF $(DEP_DIR)/$(@:%=%.d)
aoqi@0: endif
aoqi@0: 
aoqi@0: # -DDONT_USE_PRECOMPILED_HEADER will exclude all includes in precompiled.hpp.
aoqi@0: ifeq ($(USE_PRECOMPILED_HEADER),0)
aoqi@0: CFLAGS += -DDONT_USE_PRECOMPILED_HEADER
aoqi@0: endif
aoqi@0: 
aoqi@0: #------------------------------------------------------------------------
aoqi@0: # Linker flags
aoqi@0: 
aoqi@0: # statically link libstdc++.so, work with gcc but ignored by g++
aoqi@0: STATIC_STDCXX = -Wl,-Bstatic -lstdc++ -Wl,-Bdynamic
aoqi@0: 
aoqi@0: # statically link libgcc and/or libgcc_s, libgcc does not exist before gcc-3.x.
aoqi@0: ifneq ("${CC_VER_MAJOR}", "2")
aoqi@0: STATIC_LIBGCC += -static-libgcc
aoqi@0: endif
aoqi@0: 
aoqi@0: ifeq ($(BUILDARCH), ia64)
aoqi@0: # Note: all ia64 setting reflect the ones for linux
aoqi@0: # No actial testing was performed: there is no Solaris on ia64 presently
aoqi@0: LFLAGS += -Wl,-relax
aoqi@0: endif
aoqi@0: 
aoqi@0: ifdef USE_GNULD
aoqi@0: # Enable linker optimization
aoqi@0: LFLAGS += -Xlinker -O1
aoqi@0: 
aoqi@0: # Use $(MAPFLAG:FILENAME=real_file_name) to specify a map file.
aoqi@0: MAPFLAG = -Xlinker --version-script=FILENAME 
aoqi@0: else 
aoqi@0: MAPFLAG = -Xlinker -M -Xlinker FILENAME 
aoqi@0: endif 
aoqi@0: 
aoqi@0: # Use $(SONAMEFLAG:SONAME=soname) to specify the intrinsic name of a shared obj
aoqi@0: SONAMEFLAG = -Xlinker -soname=SONAME
aoqi@0: 
aoqi@0: # Build shared library
aoqi@0: SHARED_FLAG = -shared
aoqi@0: 
aoqi@0: #------------------------------------------------------------------------
aoqi@0: # Debug flags
aoqi@0: 
aoqi@0: # Use the stabs format for debugging information (this is the default 
aoqi@0: # on gcc-2.91). It's good enough, has all the information about line 
aoqi@0: # numbers and local variables, and libjvm.so is only about 16M. 
aoqi@0: # Change this back to "-g" if you want the most expressive format. 
aoqi@0: # (warning: that could easily inflate libjvm.so to 150M!) 
aoqi@0: # Note: The Itanium gcc compiler crashes when using -gstabs. 
aoqi@0: DEBUG_CFLAGS/ia64  = -g 
aoqi@0: DEBUG_CFLAGS/amd64 = -g 
aoqi@0: DEBUG_CFLAGS += $(DEBUG_CFLAGS/$(BUILDARCH)) 
aoqi@0: ifeq ($(DEBUG_CFLAGS/$(BUILDARCH)),) 
aoqi@0: DEBUG_CFLAGS += -gstabs 
aoqi@0: endif