242 lines
7.2 KiB
Makefile
242 lines
7.2 KiB
Makefile
#
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# Copyright (c) 1998, 2013, 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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# CC, CXX & AS
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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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Compiler = gcc
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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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CC_VER_MICRO := $(shell $(CC) -dumpversion | sed 's/egcs-//' | cut -d'.' -f3)
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# Check for the versions of C++ and C compilers ($CXX and $CC) used.
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# Get the last thing on the line that looks like x.x+ (x is a digit).
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COMPILER_REV := \
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$(shell $(CXX) -dumpversion | sed 's/egcs-//' | cut -d'.' -f1)
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CC_COMPILER_REV := \
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$(shell $(CC) -dumpversion | sed 's/egcs-//' | cut -d'.' -f2)
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# check for precompiled headers support
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ifneq "$(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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# Compiler flags
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# position-independent code
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PICFLAG = -fPIC
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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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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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ARCHFLAG = $(ARCHFLAG/$(BUILDARCH))
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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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# 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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CFLAGS += $(ARCHFLAG)
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AOUT_FLAGS += $(ARCHFLAG)
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LFLAGS += $(ARCHFLAG)
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ASFLAGS += $(ARCHFLAG)
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ifeq ($(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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# 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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# 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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# 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 -Wformat=2
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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/$@))
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# optimization control flags (Used by fastdebug and release variants)
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OPT_CFLAGS/NOOPT=-O0
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OPT_CFLAGS/DEBUG=-O0
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OPT_CFLAGS/SIZE=-Os
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OPT_CFLAGS/SPEED=-O3
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OPT_CFLAGS_DEFAULT ?= SPEED
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# Hotspot uses very unstrict aliasing turn this optimization off
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# This option is added to CFLAGS rather than OPT_CFLAGS
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# so that OPT_CFLAGS overrides get this option too.
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CFLAGS += -fno-strict-aliasing
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ifdef OPT_CFLAGS
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ifneq ("$(origin OPT_CFLAGS)", "command line")
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$(error " Use OPT_EXTRAS instead of OPT_CFLAGS to add extra flags to OPT_CFLAGS.")
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endif
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endif
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OPT_CFLAGS = $(OPT_CFLAGS/$(OPT_CFLAGS_DEFAULT)) $(OPT_EXTRAS)
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# The gcc compiler segv's on ia64 when compiling bytecodeInterpreter.cpp
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# if we use expensive-optimizations
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# Note: all ia64 setting reflect the ones for linux
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# No actial testing was performed: there is no Solaris on ia64 presently
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ifeq ($(BUILDARCH), ia64)
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OPT_CFLAGS/bytecodeInterpreter.o += -fno-expensive-optimizations
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endif
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# Work around some compiler bugs.
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ifeq ($(USE_CLANG), true)
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ifeq ($(shell expr $(CC_VER_MAJOR) = 4 \& $(CC_VER_MINOR) = 2), 1)
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OPT_CFLAGS/loopTransform.o += $(OPT_CFLAGS/NOOPT)
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endif
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else
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# Do not allow GCC 4.1.1
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ifeq ($(shell expr $(CC_VER_MAJOR) = 4 \& $(CC_VER_MINOR) = 1 \& $(CC_VER_MICRO) = 1), 1)
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$(error "GCC $(CC_VER_MAJOR).$(CC_VER_MINOR).$(CC_VER_MICRO) not supported because of https://gcc.gnu.org/bugzilla/show_bug.cgi?id=27724")
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endif
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# 6835796. Problem in GCC 4.3.0 with mulnode.o optimized compilation.
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ifeq ($(shell expr $(CC_VER_MAJOR) = 4 \& $(CC_VER_MINOR) = 3), 1)
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OPT_CFLAGS/mulnode.o += $(OPT_CFLAGS/NOOPT)
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endif
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endif
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# Flags for generating make dependency flags.
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ifneq ($(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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# -DDONT_USE_PRECOMPILED_HEADER will exclude all includes in precompiled.hpp.
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ifeq ($(USE_PRECOMPILED_HEADER),0)
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CFLAGS += -DDONT_USE_PRECOMPILED_HEADER
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endif
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#------------------------------------------------------------------------
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# Linker flags
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# statically link libstdc++.so, work with gcc but ignored by g++
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STATIC_STDCXX = -Wl,-Bstatic -lstdc++ -Wl,-Bdynamic
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ifdef USE_GNULD
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# statically link libgcc and/or libgcc_s, libgcc does not exist before gcc-3.x.
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ifneq ($(CC_VER_MAJOR), 2)
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STATIC_LIBGCC += -static-libgcc
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endif
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# Enable linker optimization
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LFLAGS += -Xlinker -O1
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ifneq (, findstring(debug,$(BUILD_FLAVOR)))
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# for relocations read-only
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LFLAGS += -Xlinker -z -Xlinker relro
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ifeq ($(BUILD_FLAVOR), debug)
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# disable incremental relocations linking
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LFLAGS += -Xlinker -z -Xlinker now
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endif
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endif
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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 actual 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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# 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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# Use $(SONAMEFLAG:SONAME=soname) to specify the intrinsic name of a shared obj
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SONAMEFLAG = -Xlinker -soname=SONAME
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# Build shared library
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SHARED_FLAG = -shared
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#------------------------------------------------------------------------
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# Debug flags
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# Allow no optimizations.
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DEBUG_CFLAGS=-O0
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# Enable debug symbols
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DEBUG_CFLAGS += -g
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# Enable bounds checking.
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ifeq "$(shell expr \( $(CC_VER_MAJOR) \> 3 \) )" "1"
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# stack smashing checks.
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DEBUG_CFLAGS += -fstack-protector-all --param ssp-buffer-size=1
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endif
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