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make/bsd/makefiles/gcc.make@7292cff45988 (annotated)

make/bsd/makefiles/gcc.make

Wed, 22 Feb 2012 09:24:35 +0100

author

erikj

date

Wed, 22 Feb 2012 09:24:35 +0100

changeset 3600

7292cff45988

parent 3518

719f7007c8e8

child 3649

3d7ea1dbe0de

permissions

-rw-r--r--

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

never@3156	1	#
never@3156	2	# Copyright (c) 1999, 2011, Oracle and/or its affiliates. All rights reserved.
never@3156	3	# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
never@3156	4	#
never@3156	5	# This code is free software; you can redistribute it and/or modify it
never@3156	6	# under the terms of the GNU General Public License version 2 only, as
never@3156	7	# published by the Free Software Foundation.
never@3156	8	#
never@3156	9	# This code is distributed in the hope that it will be useful, but WITHOUT
never@3156	10	# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
never@3156	11	# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
never@3156	12	# version 2 for more details (a copy is included in the LICENSE file that
never@3156	13	# accompanied this code).
never@3156	14	#
never@3156	15	# You should have received a copy of the GNU General Public License version
never@3156	16	# 2 along with this work; if not, write to the Free Software Foundation,
never@3156	17	# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
never@3156	18	#
never@3156	19	# Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
never@3156	20	# or visit www.oracle.com if you need additional information or have any
never@3156	21	# questions.
never@3156	22	#
never@3156	23	#
never@3156	24
never@3156	25	OS_VENDOR = $(shell uname -s)
never@3156	26
never@3156	27	#------------------------------------------------------------------------
erikj@3518	28	# CC, CXX & AS
never@3156	29
erikj@3600	30	# If a SPEC is not set already, then use these defaults.
erikj@3600	31	ifeq ($(SPEC),)
erikj@3600	32	# When cross-compiling the ALT_COMPILER_PATH points
erikj@3600	33	# to the cross-compilation toolset
erikj@3600	34	ifdef CROSS_COMPILE_ARCH
erikj@3600	35	CXX = $(ALT_COMPILER_PATH)/g++
erikj@3600	36	CC = $(ALT_COMPILER_PATH)/gcc
erikj@3600	37	HOSTCXX = g++
erikj@3600	38	HOSTCC = gcc
erikj@3600	39	else ifneq ($(OS_VENDOR), Darwin)
erikj@3600	40	CXX = g++
erikj@3600	41	CC = gcc
erikj@3600	42	HOSTCXX = $(CXX)
erikj@3600	43	HOSTCC = $(CC)
erikj@3600	44	endif
erikj@3600	45
erikj@3600	46	# i486 hotspot requires -mstackrealign on Darwin.
erikj@3600	47	# llvm-gcc supports this in Xcode 3.2.6 and 4.0.
erikj@3600	48	# gcc-4.0 supports this on earlier versions.
erikj@3600	49	# Prefer llvm-gcc where available.
erikj@3600	50	ifeq ($(OS_VENDOR), Darwin)
erikj@3600	51	ifeq ($(origin CXX), default)
erikj@3600	52	CXX = llvm-g++
erikj@3600	53	endif
erikj@3600	54	ifeq ($(origin CC), default)
erikj@3600	55	CC = llvm-gcc
erikj@3600	56	endif
erikj@3600	57
erikj@3600	58	ifeq ($(ARCH), i486)
erikj@3600	59	LLVM_SUPPORTS_STACKREALIGN := $(shell \
erikj@3600	60	[ "0"`llvm-gcc -v 2>&1 | grep LLVM | sed -E "s/.*LLVM build ([0-9]+).*/\1/"` -gt "2333" ] \
erikj@3600	61	&& echo true || echo false)
erikj@3600	62
erikj@3600	63	ifeq ($(LLVM_SUPPORTS_STACKREALIGN), true)
erikj@3600	64	CXX32 ?= llvm-g++
erikj@3600	65	CC32 ?= llvm-gcc
erikj@3600	66	else
erikj@3600	67	CXX32 ?= g++-4.0
erikj@3600	68	CC32 ?= gcc-4.0
erikj@3600	69	endif
erikj@3600	70	CXX = $(CXX32)
erikj@3600	71	CC = $(CC32)
erikj@3600	72	endif
erikj@3600	73
erikj@3600	74	HOSTCXX = $(CXX)
erikj@3600	75	HOSTCC = $(CC)
erikj@3600	76	endif
erikj@3600	77
erikj@3600	78	AS = $(CC) -c -x assembler-with-cpp
dcubed@3202	79	endif
dcubed@3202	80
never@3156	81
never@3156	82	# -dumpversion in gcc-2.91 shows "egcs-2.91.66". In later version, it only
never@3156	83	# prints the numbers (e.g. "2.95", "3.2.1")
never@3156	84	CC_VER_MAJOR := $(shell $(CC) -dumpversion | sed 's/egcs-//' | cut -d'.' -f1)
never@3156	85	CC_VER_MINOR := $(shell $(CC) -dumpversion | sed 's/egcs-//' | cut -d'.' -f2)
never@3156	86
never@3156	87	# check for precompiled headers support
never@3156	88	ifneq "$(shell expr \( $(CC_VER_MAJOR) \> 3 \) \| \( \( $(CC_VER_MAJOR) = 3 \) \& \( $(CC_VER_MINOR) \>= 4 \) \))" "0"
never@3156	89	# Allow the user to turn off precompiled headers from the command line.
never@3156	90	ifneq ($(USE_PRECOMPILED_HEADER),0)
never@3156	91	PRECOMPILED_HEADER_DIR=.
brutisso@3229	92	PRECOMPILED_HEADER_SRC=$(GAMMADIR)/src/share/vm/precompiled/precompiled.hpp
never@3156	93	PRECOMPILED_HEADER=$(PRECOMPILED_HEADER_DIR)/precompiled.hpp.gch
never@3156	94	endif
never@3156	95	endif
never@3156	96
never@3156	97
never@3156	98	#------------------------------------------------------------------------
never@3156	99	# Compiler flags
never@3156	100
never@3156	101	# position-independent code
never@3156	102	PICFLAG = -fPIC
never@3156	103
never@3156	104	VM_PICFLAG/LIBJVM = $(PICFLAG)
never@3156	105	VM_PICFLAG/AOUT =
never@3156	106	VM_PICFLAG = $(VM_PICFLAG/$(LINK_INTO))
never@3156	107
never@3156	108	ifeq ($(ZERO_BUILD), true)
never@3156	109	CFLAGS += $(LIBFFI_CFLAGS)
never@3156	110	endif
never@3156	111	ifeq ($(SHARK_BUILD), true)
never@3156	112	CFLAGS += $(LLVM_CFLAGS)
never@3156	113	endif
never@3156	114	CFLAGS += $(VM_PICFLAG)
never@3156	115	CFLAGS += -fno-rtti
never@3156	116	CFLAGS += -fno-exceptions
never@3156	117	CFLAGS += -pthread
never@3156	118	CFLAGS += -fcheck-new
never@3156	119	# version 4 and above support fvisibility=hidden (matches jni_x86.h file)
never@3156	120	# except 4.1.2 gives pointless warnings that can't be disabled (afaik)
never@3156	121	ifneq "$(shell expr \( $(CC_VER_MAJOR) \> 4 \) \| \( \( $(CC_VER_MAJOR) = 4 \) \& \( $(CC_VER_MINOR) \>= 3 \) \))" "0"
never@3156	122	CFLAGS += -fvisibility=hidden
never@3156	123	endif
never@3156	124
never@3156	125	ARCHFLAG = $(ARCHFLAG/$(BUILDARCH))
never@3156	126	ARCHFLAG/i486 = -m32 -march=i586
never@3156	127	ARCHFLAG/amd64 = -m64
never@3156	128	ARCHFLAG/ia64 =
never@3156	129	ARCHFLAG/sparc = -m32 -mcpu=v9
never@3156	130	ARCHFLAG/sparcv9 = -m64 -mcpu=v9
never@3156	131	ARCHFLAG/zero = $(ZERO_ARCHFLAG)
never@3156	132
never@3156	133	# Darwin-specific build flags
never@3156	134	ifeq ($(OS_VENDOR), Darwin)
never@3156	135	# Ineffecient 16-byte stack re-alignment on Darwin/IA32
never@3156	136	ARCHFLAG/i486 += -mstackrealign
never@3156	137	endif
never@3156	138
never@3156	139	CFLAGS += $(ARCHFLAG)
never@3156	140	AOUT_FLAGS += $(ARCHFLAG)
never@3156	141	LFLAGS += $(ARCHFLAG)
never@3156	142	ASFLAGS += $(ARCHFLAG)
never@3156	143
never@3156	144	ifdef E500V2
never@3156	145	CFLAGS += -DE500V2
never@3156	146	endif
never@3156	147
never@3156	148	# Use C++ Interpreter
never@3156	149	ifdef CC_INTERP
never@3156	150	CFLAGS += -DCC_INTERP
never@3156	151	endif
never@3156	152
never@3156	153	# Build for embedded targets
never@3156	154	ifdef JAVASE_EMBEDDED
never@3156	155	CFLAGS += -DJAVASE_EMBEDDED
never@3156	156	endif
never@3156	157
never@3156	158	# Keep temporary files (.ii, .s)
never@3156	159	ifdef NEED_ASM
never@3156	160	CFLAGS += -save-temps
never@3156	161	else
never@3156	162	CFLAGS += -pipe
never@3156	163	endif
never@3156	164
never@3156	165	# Compiler warnings are treated as errors
dcubed@3202	166	ifneq ($(COMPILER_WARNINGS_FATAL),false)
dcubed@3202	167	WARNINGS_ARE_ERRORS = -Werror
dcubed@3202	168	endif
never@3156	169
never@3156	170	# Except for a few acceptable ones
never@3156	171	# Since GCC 4.3, -Wconversion has changed its meanings to warn these implicit
never@3156	172	# conversions which might affect the values. To avoid that, we need to turn
never@3156	173	# it off explicitly.
never@3156	174	ifneq "$(shell expr \( $(CC_VER_MAJOR) \> 4 \) \| \( \( $(CC_VER_MAJOR) = 4 \) \& \( $(CC_VER_MINOR) \>= 3 \) \))" "0"
never@3156	175	ACCEPTABLE_WARNINGS = -Wpointer-arith -Wsign-compare
never@3156	176	else
never@3156	177	ACCEPTABLE_WARNINGS = -Wpointer-arith -Wconversion -Wsign-compare
never@3156	178	endif
never@3156	179
never@3156	180	CFLAGS_WARN/DEFAULT = $(WARNINGS_ARE_ERRORS) $(ACCEPTABLE_WARNINGS)
never@3156	181	# Special cases
never@3156	182	CFLAGS_WARN/BYFILE = $(CFLAGS_WARN/$@)$(CFLAGS_WARN/DEFAULT$(CFLAGS_WARN/$@))
never@3156	183	# XXXDARWIN: for _dyld_bind_fully_image_containing_address
never@3156	184	ifeq ($(OS_VENDOR), Darwin)
never@3156	185	CFLAGS_WARN/os_bsd.o = $(CFLAGS_WARN/DEFAULT) -Wno-deprecated-declarations
never@3156	186	endif
never@3156	187
never@3156	188
never@3156	189	# The flags to use for an Optimized g++ build
dcubed@3202	190	ifeq ($(OS_VENDOR), Darwin)
dcubed@3202	191	# use -Os by default, unless -O3 can be proved to be worth the cost, as per policy
dcubed@3202	192	# <http://wikis.sun.com/display/OpenJDK/Mac+OS+X+Port+Compilers>
dcubed@3202	193	OPT_CFLAGS += -Os
dcubed@3202	194	else
dcubed@3202	195	OPT_CFLAGS += -O3
dcubed@3202	196	endif
never@3156	197
never@3156	198	# Hotspot uses very unstrict aliasing turn this optimization off
never@3156	199	OPT_CFLAGS += -fno-strict-aliasing
never@3156	200
never@3156	201	# The gcc compiler segv's on ia64 when compiling bytecodeInterpreter.cpp
never@3156	202	# if we use expensive-optimizations
never@3156	203	ifeq ($(BUILDARCH), ia64)
never@3156	204	OPT_CFLAGS += -fno-expensive-optimizations
never@3156	205	endif
never@3156	206
never@3156	207	OPT_CFLAGS/NOOPT=-O0
never@3156	208
never@3156	209	# 6835796. Problem in GCC 4.3.0 with mulnode.o optimized compilation.
never@3156	210	ifneq "$(shell expr \( \( $(CC_VER_MAJOR) = 4 \) \& \( $(CC_VER_MINOR) = 3 \) \))" "0"
never@3156	211	OPT_CFLAGS/mulnode.o += -O0
never@3156	212	endif
never@3156	213
never@3156	214	# Flags for generating make dependency flags.
never@3156	215	ifneq ("${CC_VER_MAJOR}", "2")
never@3156	216	DEPFLAGS = -MMD -MP -MF $(DEP_DIR)/$(@:%=%.d)
never@3156	217	endif
never@3156	218
never@3156	219	# -DDONT_USE_PRECOMPILED_HEADER will exclude all includes in precompiled.hpp.
stefank@3325	220	ifeq ($(USE_PRECOMPILED_HEADER),0)
never@3156	221	CFLAGS += -DDONT_USE_PRECOMPILED_HEADER
never@3156	222	endif
never@3156	223
never@3156	224	#------------------------------------------------------------------------
never@3156	225	# Linker flags
never@3156	226
never@3156	227	# statically link libstdc++.so, work with gcc but ignored by g++
never@3156	228	STATIC_STDCXX = -Wl,-Bstatic -lstdc++ -Wl,-Bdynamic
never@3156	229
never@3156	230	# statically link libgcc and/or libgcc_s, libgcc does not exist before gcc-3.x.
never@3156	231	ifneq ("${CC_VER_MAJOR}", "2")
never@3156	232	STATIC_LIBGCC += -static-libgcc
never@3156	233	endif
never@3156	234
never@3156	235	ifeq ($(BUILDARCH), ia64)
never@3156	236	LFLAGS += -Wl,-relax
never@3156	237	endif
never@3156	238
never@3156	239	# Use $(MAPFLAG:FILENAME=real_file_name) to specify a map file.
never@3156	240	MAPFLAG = -Xlinker --version-script=FILENAME
never@3156	241
never@3156	242	#
never@3156	243	# Shared Library
never@3156	244	#
never@3156	245	ifeq ($(OS_VENDOR), Darwin)
never@3156	246	# Standard linker flags
never@3156	247	LFLAGS +=
never@3156	248
never@3156	249	# Darwin doesn't use ELF and doesn't support version scripts
never@3156	250	LDNOMAP = true
never@3156	251
never@3156	252	# Use $(SONAMEFLAG:SONAME=soname) to specify the intrinsic name of a shared obj
never@3156	253	SONAMEFLAG =
never@3156	254
never@3156	255	# Build shared library
dcubed@3202	256	SHARED_FLAG = -Wl,-install_name,@rpath/$(@F) -dynamiclib -compatibility_version 1.0.0 -current_version 1.0.0 $(VM_PICFLAG)
never@3156	257
never@3156	258	# Keep symbols even they are not used
never@3156	259	#AOUT_FLAGS += -Xlinker -export-dynamic
never@3156	260	else
never@3156	261	# Enable linker optimization
never@3156	262	LFLAGS += -Xlinker -O1
never@3156	263
never@3156	264	# Use $(SONAMEFLAG:SONAME=soname) to specify the intrinsic name of a shared obj
never@3156	265	SONAMEFLAG = -Xlinker -soname=SONAME
never@3156	266
never@3156	267	# Build shared library
never@3156	268	SHARED_FLAG = -shared $(VM_PICFLAG)
never@3156	269
never@3156	270	# Keep symbols even they are not used
never@3156	271	AOUT_FLAGS += -Xlinker -export-dynamic
never@3156	272	endif
never@3156	273
never@3156	274	#------------------------------------------------------------------------
never@3156	275	# Debug flags
never@3156	276
never@3156	277	# Use the stabs format for debugging information (this is the default
never@3156	278	# on gcc-2.91). It's good enough, has all the information about line
never@3156	279	# numbers and local variables, and libjvm_g.so is only about 16M.
never@3156	280	# Change this back to "-g" if you want the most expressive format.
never@3156	281	# (warning: that could easily inflate libjvm_g.so to 150M!)
never@3156	282	# Note: The Itanium gcc compiler crashes when using -gstabs.
never@3156	283	DEBUG_CFLAGS/ia64 = -g
never@3156	284	DEBUG_CFLAGS/amd64 = -g
never@3156	285	DEBUG_CFLAGS/arm = -g
never@3156	286	DEBUG_CFLAGS/ppc = -g
never@3156	287	DEBUG_CFLAGS += $(DEBUG_CFLAGS/$(BUILDARCH))
never@3156	288	ifeq ($(DEBUG_CFLAGS/$(BUILDARCH)),)
never@3156	289	DEBUG_CFLAGS += -gstabs
never@3156	290	endif
never@3156	291
never@3156	292	# DEBUG_BINARIES overrides everything, use full -g debug information
never@3156	293	ifeq ($(DEBUG_BINARIES), true)
never@3156	294	DEBUG_CFLAGS = -g
never@3156	295	CFLAGS += $(DEBUG_CFLAGS)
never@3156	296	endif
never@3156	297
never@3156	298	# If we are building HEADLESS, pass on to VM
never@3156	299	# so it can set the java.awt.headless property
never@3156	300	ifdef HEADLESS
never@3156	301	CFLAGS += -DHEADLESS
never@3156	302	endif
never@3156	303
never@3156	304	# We are building Embedded for a small device
never@3156	305	# favor code space over speed
never@3156	306	ifdef MINIMIZE_RAM_USAGE
never@3156	307	CFLAGS += -DMINIMIZE_RAM_USAGE
never@3156	308	endif