87N/A# Copyright (c) 1998, 2011, Oracle
and/or its affiliates. All rights reserved.
87N/A# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
0N/A# This code is free software; you can redistribute it
and/or modify it
0N/A# under the terms of the GNU General Public License version 2 only, as
0N/A# published by the Free Software Foundation.
0N/A# This code is distributed in the hope that it will be useful, but WITHOUT
87N/A# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
87N/A# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
87N/A# version 2 for more details (a copy is included in the LICENSE file that
87N/A# accompanied this code).
0N/A# You should have received a copy of the GNU General Public License version
87N/A# 2 along with this work; if not, write to the Free Software Foundation,
87N/A# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
0N/A# Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
87N/A#------------------------------------------------------------------------
# -dumpversion in gcc-2.91 shows "egcs-2.91.66". In later version, it only
# prints the numbers (
e.g. "2.95", "3.2.1")
CC_VER_MAJOR := $(shell $(CC) -dumpversion | sed '
s/egcs-//' | cut -d'.' -f1)
CC_VER_MINOR := $(shell $(CC) -dumpversion | sed '
s/egcs-//' | cut -d'.' -f2)
# Check for the versions of C++ and C compilers ($CPP and $CC) used.
# Get the last thing on the line that looks like
x.x+ (x is a digit).
$(shell $(CPP) -dumpversion | sed '
s/egcs-//' | cut -d'.' -f1)
$(shell $(CC) -dumpversion | sed '
s/egcs-//' | cut -d'.' -f2)
# check for precompiled headers support
ifneq "$(shell expr \( $(CC_VER_MAJOR) \> 3 \) \| \( \( $(CC_VER_MAJOR) = 3 \) \& \( $(CC_VER_MINOR) \>= 4 \) \))" "0"
# Allow the user to turn off precompiled headers from the command line.
ifneq ($(USE_PRECOMPILED_HEADER),0)
#------------------------------------------------------------------------
# position-independent code
VM_PICFLAG = $(VM_PICFLAG/$(LINK_INTO))
CFLAGS += -fno-exceptions
ARCHFLAG = $(ARCHFLAG/$(BUILDARCH))
# Optional sub-directory in
/usr/lib where BUILDARCH libraries are kept.
ISA_DIR=$(ISA_DIR/$(BUILDARCH))
AOUT_FLAGS += $(ARCHFLAG)
ifeq ($(BUILDARCH), amd64)
ASFLAGS += -march=k8 -march=amd64
# Keep temporary files (.ii, .s)
# Compiler warnings are treated as errors
WARNINGS_ARE_ERRORS = -Werror
# Enable these warnings. See 'info gcc' about details on these options
ADDITIONAL_WARNINGS = -Wpointer-arith -Wconversion -Wsign-compare
# The flags to use for an Optimized g++ build
# Hotspot uses very unstrict aliasing turn this optimization off
OPT_CFLAGS += -fno-strict-aliasing
# if we use expensive-optimizations
# Note: all ia64 setting reflect the ones for linux
# No actial testing was performed: there is no Solaris on ia64 presently
ifeq ($(BUILDARCH), ia64)
# Flags for generating make dependency flags.
ifneq ("${CC_VER_MAJOR}", "2")
DEPFLAGS = -MMD -MP -MF $(DEP_DIR)/$(@:%=%.d)
ifneq ($(USE_PRECOMPILED_HEADER),1)
CFLAGS += -DDONT_USE_PRECOMPILED_HEADER
#------------------------------------------------------------------------
# statically link libstdc++.so, work with gcc but ignored by g++
STATIC_STDCXX = -Wl,-Bstatic -lstdc++ -Wl,-Bdynamic
# statically link libgcc
and/or libgcc_s, libgcc does not exist before
gcc-3.x.ifneq ("${CC_VER_MAJOR}", "2")
STATIC_LIBGCC += -static-libgcc
ifeq ($(BUILDARCH), ia64)
# Note: all ia64 setting reflect the ones for linux
# No actial testing was performed: there is no Solaris on ia64 presently
# Enable linker optimization
# Use $(MAPFLAG:FILENAME=real_file_name) to specify a map file.
MAPFLAG = -Xlinker --version-script=FILENAME
MAPFLAG = -Xlinker -M -Xlinker FILENAME
# Use $(SONAMEFLAG:SONAME=soname) to specify the intrinsic name of a shared obj
SONAMEFLAG = -Xlinker -soname=SONAME
#------------------------------------------------------------------------
# Use the stabs format for debugging information (this is the default
# on gcc-2.91). It's good enough, has all the information about line
# numbers and local variables, and
libjvm_g.so is only about 16M.
# Change this back to "-g" if you want the most expressive format.
# (warning: that could easily inflate
libjvm_g.so to 150M!)
# Note: The Itanium gcc compiler crashes when using -gstabs.
DEBUG_CFLAGS += $(DEBUG_CFLAGS/$(BUILDARCH))
ifeq ($(DEBUG_CFLAGS/$(BUILDARCH)),)