Wed, 23 Nov 2016 09:57:09 +0800
gcc use default -march
mips3 is too old.
default march of gcc 4.9.3: loongson3a; default march of gcc 4.4.7: mips64
aoqi@0 | 1 | # |
aoqi@0 | 2 | # Copyright (c) 1999, 2013, Oracle and/or its affiliates. All rights reserved. |
aoqi@0 | 3 | # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
aoqi@0 | 4 | # |
aoqi@0 | 5 | # This code is free software; you can redistribute it and/or modify it |
aoqi@0 | 6 | # under the terms of the GNU General Public License version 2 only, as |
aoqi@0 | 7 | # published by the Free Software Foundation. |
aoqi@0 | 8 | # |
aoqi@0 | 9 | # This code is distributed in the hope that it will be useful, but WITHOUT |
aoqi@0 | 10 | # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
aoqi@0 | 11 | # FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
aoqi@0 | 12 | # version 2 for more details (a copy is included in the LICENSE file that |
aoqi@0 | 13 | # accompanied this code). |
aoqi@0 | 14 | # |
aoqi@0 | 15 | # You should have received a copy of the GNU General Public License version |
aoqi@0 | 16 | # 2 along with this work; if not, write to the Free Software Foundation, |
aoqi@0 | 17 | # Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
aoqi@0 | 18 | # |
aoqi@0 | 19 | # Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
aoqi@0 | 20 | # or visit www.oracle.com if you need additional information or have any |
aoqi@0 | 21 | # questions. |
aoqi@0 | 22 | # |
aoqi@0 | 23 | # |
aoqi@0 | 24 | |
aoqi@1 | 25 | # |
aoqi@1 | 26 | # This file has been modified by Loongson Technology in 2015. These |
aoqi@1 | 27 | # modifications are Copyright (c) 2015 Loongson Technology, and are made |
aoqi@1 | 28 | # available on the same license terms set forth above. |
aoqi@1 | 29 | # |
aoqi@1 | 30 | |
aoqi@0 | 31 | #------------------------------------------------------------------------ |
aoqi@0 | 32 | # CC, CXX & AS |
aoqi@0 | 33 | |
aoqi@0 | 34 | # If a SPEC is not set already, then use these defaults. |
aoqi@0 | 35 | ifeq ($(SPEC),) |
aoqi@0 | 36 | # When cross-compiling the ALT_COMPILER_PATH points |
aoqi@0 | 37 | # to the cross-compilation toolset |
aoqi@0 | 38 | ifdef CROSS_COMPILE_ARCH |
aoqi@0 | 39 | CXX = $(ALT_COMPILER_PATH)/g++ |
aoqi@0 | 40 | CC = $(ALT_COMPILER_PATH)/gcc |
aoqi@0 | 41 | HOSTCXX = g++ |
aoqi@0 | 42 | HOSTCC = gcc |
aoqi@0 | 43 | STRIP = $(ALT_COMPILER_PATH)/strip |
aoqi@0 | 44 | else |
aoqi@0 | 45 | ifeq ($(USE_CLANG), true) |
aoqi@0 | 46 | CXX = clang++ |
aoqi@0 | 47 | CC = clang |
aoqi@0 | 48 | else |
aoqi@0 | 49 | CXX = g++ |
aoqi@0 | 50 | CC = gcc |
aoqi@0 | 51 | endif |
aoqi@0 | 52 | |
aoqi@0 | 53 | HOSTCXX = $(CXX) |
aoqi@0 | 54 | HOSTCC = $(CC) |
aoqi@0 | 55 | STRIP = strip |
aoqi@0 | 56 | endif |
aoqi@0 | 57 | AS = $(CC) -c |
aoqi@0 | 58 | endif |
aoqi@0 | 59 | |
aoqi@0 | 60 | |
aoqi@0 | 61 | ifeq ($(USE_CLANG), true) |
aoqi@0 | 62 | CC_VER_MAJOR := $(shell $(CC) -v 2>&1 | grep version | sed "s/.*version \([0-9]*\.[0-9]*\).*/\1/" | cut -d'.' -f1) |
aoqi@0 | 63 | CC_VER_MINOR := $(shell $(CC) -v 2>&1 | grep version | sed "s/.*version \([0-9]*\.[0-9]*\).*/\1/" | cut -d'.' -f2) |
aoqi@0 | 64 | else |
aoqi@0 | 65 | # -dumpversion in gcc-2.91 shows "egcs-2.91.66". In later version, it only |
aoqi@0 | 66 | # prints the numbers (e.g. "2.95", "3.2.1") |
aoqi@0 | 67 | CC_VER_MAJOR := $(shell $(CC) -dumpversion | sed 's/egcs-//' | cut -d'.' -f1) |
aoqi@0 | 68 | CC_VER_MINOR := $(shell $(CC) -dumpversion | sed 's/egcs-//' | cut -d'.' -f2) |
aoqi@0 | 69 | endif |
aoqi@0 | 70 | |
aoqi@0 | 71 | |
aoqi@0 | 72 | ifeq ($(USE_CLANG), true) |
aoqi@0 | 73 | # Clang has precompiled headers support by default, but the user can switch |
aoqi@0 | 74 | # it off by using 'USE_PRECOMPILED_HEADER=0'. |
aoqi@0 | 75 | ifdef LP64 |
aoqi@0 | 76 | ifeq ($(USE_PRECOMPILED_HEADER),) |
aoqi@0 | 77 | USE_PRECOMPILED_HEADER=1 |
aoqi@0 | 78 | endif |
aoqi@0 | 79 | else |
aoqi@0 | 80 | # We don't support precompiled headers on 32-bit builds because there some files are |
aoqi@0 | 81 | # compiled with -fPIC while others are compiled without (see 'NONPIC_OBJ_FILES' rules.make) |
aoqi@0 | 82 | # Clang produces an error if the PCH file was compiled with other options than the actual compilation unit. |
aoqi@0 | 83 | USE_PRECOMPILED_HEADER=0 |
aoqi@0 | 84 | endif |
aoqi@0 | 85 | |
aoqi@0 | 86 | ifeq ($(USE_PRECOMPILED_HEADER),1) |
aoqi@0 | 87 | |
aoqi@0 | 88 | ifndef LP64 |
aoqi@0 | 89 | $(error " Precompiled Headers only supported on 64-bit platforms!") |
aoqi@0 | 90 | endif |
aoqi@0 | 91 | |
aoqi@0 | 92 | PRECOMPILED_HEADER_DIR=. |
aoqi@0 | 93 | PRECOMPILED_HEADER_SRC=$(GAMMADIR)/src/share/vm/precompiled/precompiled.hpp |
aoqi@0 | 94 | PRECOMPILED_HEADER=$(PRECOMPILED_HEADER_DIR)/precompiled.hpp.pch |
aoqi@0 | 95 | |
aoqi@0 | 96 | PCH_FLAG = -include precompiled.hpp |
aoqi@0 | 97 | PCH_FLAG/DEFAULT = $(PCH_FLAG) |
aoqi@0 | 98 | PCH_FLAG/NO_PCH = -DNO_PCH |
aoqi@0 | 99 | PCH_FLAG/BY_FILE = $(PCH_FLAG/$@)$(PCH_FLAG/DEFAULT$(PCH_FLAG/$@)) |
aoqi@0 | 100 | |
aoqi@0 | 101 | VM_PCH_FLAG/LIBJVM = $(PCH_FLAG/BY_FILE) |
aoqi@0 | 102 | VM_PCH_FLAG/AOUT = |
aoqi@0 | 103 | VM_PCH_FLAG = $(VM_PCH_FLAG/$(LINK_INTO)) |
aoqi@0 | 104 | |
aoqi@0 | 105 | # We only use precompiled headers for the JVM build |
aoqi@0 | 106 | CFLAGS += $(VM_PCH_FLAG) |
aoqi@0 | 107 | |
aoqi@0 | 108 | # There are some files which don't like precompiled headers |
aoqi@0 | 109 | # The following files are build with 'OPT_CFLAGS/NOOPT' (-O0) in the opt build. |
aoqi@0 | 110 | # But Clang doesn't support a precompiled header which was compiled with -O3 |
aoqi@0 | 111 | # to be used in a compilation unit which uses '-O0'. We could also prepare an |
aoqi@0 | 112 | # extra '-O0' PCH file for the opt build and use it here, but it's probably |
aoqi@0 | 113 | # not worth the effoert as long as only two files need this special handling. |
aoqi@0 | 114 | PCH_FLAG/loopTransform.o = $(PCH_FLAG/NO_PCH) |
aoqi@0 | 115 | PCH_FLAG/sharedRuntimeTrig.o = $(PCH_FLAG/NO_PCH) |
aoqi@0 | 116 | PCH_FLAG/sharedRuntimeTrans.o = $(PCH_FLAG/NO_PCH) |
aoqi@0 | 117 | |
aoqi@0 | 118 | endif |
aoqi@0 | 119 | else # ($(USE_CLANG), true) |
aoqi@0 | 120 | # check for precompiled headers support |
aoqi@0 | 121 | ifneq "$(shell expr \( $(CC_VER_MAJOR) \> 3 \) \| \( \( $(CC_VER_MAJOR) = 3 \) \& \( $(CC_VER_MINOR) \>= 4 \) \))" "0" |
aoqi@0 | 122 | # Allow the user to turn off precompiled headers from the command line. |
aoqi@0 | 123 | ifneq ($(USE_PRECOMPILED_HEADER),0) |
aoqi@0 | 124 | PRECOMPILED_HEADER_DIR=. |
aoqi@0 | 125 | PRECOMPILED_HEADER_SRC=$(GAMMADIR)/src/share/vm/precompiled/precompiled.hpp |
aoqi@0 | 126 | PRECOMPILED_HEADER=$(PRECOMPILED_HEADER_DIR)/precompiled.hpp.gch |
aoqi@0 | 127 | endif |
aoqi@0 | 128 | endif |
aoqi@0 | 129 | endif |
aoqi@0 | 130 | |
aoqi@0 | 131 | # -DDONT_USE_PRECOMPILED_HEADER will exclude all includes in precompiled.hpp. |
aoqi@0 | 132 | ifeq ($(USE_PRECOMPILED_HEADER),0) |
aoqi@0 | 133 | CFLAGS += -DDONT_USE_PRECOMPILED_HEADER |
aoqi@0 | 134 | endif |
aoqi@0 | 135 | |
aoqi@0 | 136 | |
aoqi@0 | 137 | #------------------------------------------------------------------------ |
aoqi@0 | 138 | # Compiler flags |
aoqi@0 | 139 | |
aoqi@0 | 140 | # position-independent code |
aoqi@0 | 141 | PICFLAG = -fPIC |
aoqi@0 | 142 | |
aoqi@0 | 143 | VM_PICFLAG/LIBJVM = $(PICFLAG) |
aoqi@0 | 144 | VM_PICFLAG/AOUT = |
aoqi@0 | 145 | VM_PICFLAG = $(VM_PICFLAG/$(LINK_INTO)) |
aoqi@0 | 146 | |
aoqi@0 | 147 | ifeq ($(JVM_VARIANT_ZERO), true) |
aoqi@0 | 148 | CFLAGS += $(LIBFFI_CFLAGS) |
aoqi@0 | 149 | endif |
aoqi@0 | 150 | ifeq ($(JVM_VARIANT_ZEROSHARK), true) |
aoqi@0 | 151 | CFLAGS += $(LIBFFI_CFLAGS) |
aoqi@0 | 152 | CFLAGS += $(LLVM_CFLAGS) |
aoqi@0 | 153 | endif |
aoqi@0 | 154 | CFLAGS += $(VM_PICFLAG) |
aoqi@0 | 155 | CFLAGS += -fno-rtti |
aoqi@0 | 156 | CFLAGS += -fno-exceptions |
aoqi@0 | 157 | CFLAGS += -D_REENTRANT |
aoqi@0 | 158 | ifeq ($(USE_CLANG),) |
aoqi@0 | 159 | CFLAGS += -fcheck-new |
aoqi@0 | 160 | # version 4 and above support fvisibility=hidden (matches jni_x86.h file) |
aoqi@0 | 161 | # except 4.1.2 gives pointless warnings that can't be disabled (afaik) |
aoqi@0 | 162 | ifneq "$(shell expr \( $(CC_VER_MAJOR) \> 4 \) \| \( \( $(CC_VER_MAJOR) = 4 \) \& \( $(CC_VER_MINOR) \>= 3 \) \))" "0" |
aoqi@0 | 163 | CFLAGS += -fvisibility=hidden |
aoqi@0 | 164 | endif |
aoqi@0 | 165 | else |
aoqi@0 | 166 | CFLAGS += -fvisibility=hidden |
aoqi@0 | 167 | endif |
aoqi@0 | 168 | |
aoqi@0 | 169 | ifeq ($(USE_CLANG), true) |
aoqi@0 | 170 | # Before Clang 3.1, we had to pass the stack alignment specification directly to llvm with the help of '-mllvm' |
aoqi@0 | 171 | # Starting with version 3.1, Clang understands the '-mstack-alignment' (and rejects '-mllvm -stack-alignment') |
aoqi@0 | 172 | ifneq "$(shell expr \( $(CC_VER_MAJOR) \> 3 \) \| \( \( $(CC_VER_MAJOR) = 3 \) \& \( $(CC_VER_MINOR) \>= 1 \) \))" "0" |
aoqi@0 | 173 | STACK_ALIGNMENT_OPT = -mno-omit-leaf-frame-pointer -mstack-alignment=16 |
aoqi@0 | 174 | else |
aoqi@0 | 175 | STACK_ALIGNMENT_OPT = -mno-omit-leaf-frame-pointer -mllvm -stack-alignment=16 |
aoqi@0 | 176 | endif |
aoqi@0 | 177 | endif |
aoqi@0 | 178 | |
aoqi@0 | 179 | ARCHFLAG = $(ARCHFLAG/$(BUILDARCH)) |
aoqi@0 | 180 | ARCHFLAG/i486 = -m32 -march=i586 |
aoqi@0 | 181 | ARCHFLAG/amd64 = -m64 $(STACK_ALIGNMENT_OPT) |
aoqi@0 | 182 | ARCHFLAG/ia64 = |
aoqi@0 | 183 | ARCHFLAG/sparc = -m32 -mcpu=v9 |
aoqi@0 | 184 | ARCHFLAG/sparcv9 = -m64 -mcpu=v9 |
aoqi@0 | 185 | ARCHFLAG/arm = -fsigned-char |
aoqi@183 | 186 | ARCHFLAG/mips64 = -mabi=64 |
aoqi@0 | 187 | ARCHFLAG/zero = $(ZERO_ARCHFLAG) |
aoqi@0 | 188 | ifndef E500V2 |
aoqi@0 | 189 | ARCHFLAG/ppc = -mcpu=powerpc |
aoqi@0 | 190 | endif |
aoqi@0 | 191 | ARCHFLAG/ppc64 = -m64 |
aoqi@0 | 192 | |
aoqi@0 | 193 | CFLAGS += $(ARCHFLAG) |
aoqi@0 | 194 | AOUT_FLAGS += $(ARCHFLAG) |
aoqi@0 | 195 | LFLAGS += $(ARCHFLAG) |
aoqi@0 | 196 | ASFLAGS += $(ARCHFLAG) |
aoqi@0 | 197 | |
aoqi@0 | 198 | ifdef E500V2 |
aoqi@0 | 199 | CFLAGS += -DE500V2 |
aoqi@0 | 200 | endif |
aoqi@0 | 201 | |
aoqi@0 | 202 | # Use C++ Interpreter |
aoqi@0 | 203 | ifdef CC_INTERP |
aoqi@0 | 204 | CFLAGS += -DCC_INTERP |
aoqi@0 | 205 | endif |
aoqi@0 | 206 | |
aoqi@0 | 207 | # Keep temporary files (.ii, .s) |
aoqi@0 | 208 | ifdef NEED_ASM |
aoqi@0 | 209 | CFLAGS += -save-temps |
aoqi@0 | 210 | else |
aoqi@0 | 211 | CFLAGS += -pipe |
aoqi@0 | 212 | endif |
aoqi@0 | 213 | |
aoqi@0 | 214 | # Compiler warnings are treated as errors |
aoqi@1 | 215 | #compiler disassembler_mips.cpp:193:"if WARNINGS_ARE_ERRORS =, here from error to warning ": deprecated conversion from string constant to 'char*' |
aoqi@1 | 216 | #WARNINGS_ARE_ERRORS = -Werror |
aoqi@0 | 217 | |
aoqi@0 | 218 | ifeq ($(USE_CLANG), true) |
aoqi@0 | 219 | # However we need to clean the code up before we can unrestrictedly enable this option with Clang |
aoqi@0 | 220 | WARNINGS_ARE_ERRORS += -Wno-logical-op-parentheses -Wno-parentheses-equality -Wno-parentheses |
aoqi@0 | 221 | WARNINGS_ARE_ERRORS += -Wno-switch -Wno-tautological-constant-out-of-range-compare -Wno-tautological-compare |
aoqi@0 | 222 | WARNINGS_ARE_ERRORS += -Wno-delete-non-virtual-dtor -Wno-deprecated -Wno-format -Wno-dynamic-class-memaccess |
aoqi@0 | 223 | WARNINGS_ARE_ERRORS += -Wno-return-type -Wno-empty-body |
aoqi@0 | 224 | endif |
aoqi@0 | 225 | |
aoqi@0 | 226 | WARNING_FLAGS = -Wpointer-arith -Wsign-compare -Wundef -Wunused-function -Wunused-value |
aoqi@0 | 227 | |
aoqi@0 | 228 | ifeq ($(USE_CLANG),) |
aoqi@0 | 229 | # Since GCC 4.3, -Wconversion has changed its meanings to warn these implicit |
aoqi@0 | 230 | # conversions which might affect the values. Only enable it in earlier versions. |
aoqi@0 | 231 | ifeq "$(shell expr \( $(CC_VER_MAJOR) \> 4 \) \| \( \( $(CC_VER_MAJOR) = 4 \) \& \( $(CC_VER_MINOR) \>= 3 \) \))" "0" |
aoqi@0 | 232 | WARNING_FLAGS += -Wconversion |
aoqi@0 | 233 | endif |
aoqi@0 | 234 | endif |
aoqi@0 | 235 | |
aoqi@0 | 236 | CFLAGS_WARN/DEFAULT = $(WARNINGS_ARE_ERRORS) $(WARNING_FLAGS) |
aoqi@0 | 237 | # Special cases |
aoqi@0 | 238 | CFLAGS_WARN/BYFILE = $(CFLAGS_WARN/$@)$(CFLAGS_WARN/DEFAULT$(CFLAGS_WARN/$@)) |
aoqi@0 | 239 | |
aoqi@0 | 240 | # The flags to use for an Optimized g++ build |
aoqi@0 | 241 | OPT_CFLAGS/SIZE=-Os |
aoqi@0 | 242 | OPT_CFLAGS/SPEED=-O3 |
aoqi@0 | 243 | |
aoqi@0 | 244 | # Hotspot uses very unstrict aliasing turn this optimization off |
aoqi@0 | 245 | # This option is added to CFLAGS rather than OPT_CFLAGS |
aoqi@0 | 246 | # so that OPT_CFLAGS overrides get this option too. |
aoqi@0 | 247 | CFLAGS += -fno-strict-aliasing |
aoqi@0 | 248 | |
aoqi@0 | 249 | OPT_CFLAGS_DEFAULT ?= SPEED |
aoqi@0 | 250 | |
aoqi@0 | 251 | ifdef OPT_CFLAGS |
aoqi@0 | 252 | ifneq ("$(origin OPT_CFLAGS)", "command line") |
aoqi@0 | 253 | $(error " Use OPT_EXTRAS instead of OPT_CFLAGS to add extra flags to OPT_CFLAGS.") |
aoqi@0 | 254 | endif |
aoqi@0 | 255 | endif |
aoqi@0 | 256 | |
aoqi@0 | 257 | OPT_CFLAGS = $(OPT_CFLAGS/$(OPT_CFLAGS_DEFAULT)) $(OPT_EXTRAS) |
aoqi@0 | 258 | |
aoqi@0 | 259 | # The gcc compiler segv's on ia64 when compiling bytecodeInterpreter.cpp |
aoqi@0 | 260 | # if we use expensive-optimizations |
aoqi@0 | 261 | ifeq ($(BUILDARCH), ia64) |
aoqi@0 | 262 | OPT_CFLAGS += -fno-expensive-optimizations |
aoqi@0 | 263 | endif |
aoqi@0 | 264 | |
aoqi@0 | 265 | OPT_CFLAGS/NOOPT=-O0 |
aoqi@0 | 266 | |
aoqi@0 | 267 | # Work around some compiler bugs. |
aoqi@0 | 268 | ifeq ($(USE_CLANG), true) |
aoqi@0 | 269 | ifeq ($(shell expr $(CC_VER_MAJOR) = 4 \& $(CC_VER_MINOR) = 2), 1) |
aoqi@0 | 270 | OPT_CFLAGS/loopTransform.o += $(OPT_CFLAGS/NOOPT) |
aoqi@0 | 271 | endif |
aoqi@0 | 272 | else |
aoqi@0 | 273 | # 6835796. Problem in GCC 4.3.0 with mulnode.o optimized compilation. |
aoqi@0 | 274 | ifeq ($(shell expr $(CC_VER_MAJOR) = 4 \& $(CC_VER_MINOR) = 3), 1) |
aoqi@0 | 275 | OPT_CFLAGS/mulnode.o += $(OPT_CFLAGS/NOOPT) |
aoqi@0 | 276 | endif |
aoqi@0 | 277 | endif |
aoqi@0 | 278 | |
aoqi@0 | 279 | # Flags for generating make dependency flags. |
aoqi@0 | 280 | DEPFLAGS = -MMD -MP -MF $(DEP_DIR)/$(@:%=%.d) |
aoqi@0 | 281 | ifeq ($(USE_CLANG),) |
aoqi@0 | 282 | ifneq ("${CC_VER_MAJOR}", "2") |
aoqi@0 | 283 | DEPFLAGS += -fpch-deps |
aoqi@0 | 284 | endif |
aoqi@0 | 285 | endif |
aoqi@0 | 286 | |
aoqi@0 | 287 | #------------------------------------------------------------------------ |
aoqi@0 | 288 | # Linker flags |
aoqi@0 | 289 | |
aoqi@0 | 290 | # statically link libstdc++.so, work with gcc but ignored by g++ |
aoqi@0 | 291 | STATIC_STDCXX = -Wl,-Bstatic -lstdc++ -Wl,-Bdynamic |
aoqi@0 | 292 | |
aoqi@0 | 293 | ifeq ($(USE_CLANG),) |
aoqi@0 | 294 | # statically link libgcc and/or libgcc_s, libgcc does not exist before gcc-3.x. |
aoqi@0 | 295 | ifneq ("${CC_VER_MAJOR}", "2") |
aoqi@0 | 296 | STATIC_LIBGCC += -static-libgcc |
aoqi@0 | 297 | endif |
aoqi@0 | 298 | |
aoqi@0 | 299 | ifeq ($(BUILDARCH), ia64) |
aoqi@0 | 300 | LFLAGS += -Wl,-relax |
aoqi@0 | 301 | endif |
aoqi@0 | 302 | endif |
aoqi@0 | 303 | |
aoqi@0 | 304 | # Enable linker optimization |
aoqi@0 | 305 | LFLAGS += -Xlinker -O1 |
aoqi@0 | 306 | |
aoqi@0 | 307 | ifeq ($(USE_CLANG),) |
aoqi@0 | 308 | # If this is a --hash-style=gnu system, use --hash-style=both |
aoqi@0 | 309 | # The gnu .hash section won't work on some Linux systems like SuSE 10. |
aoqi@0 | 310 | _HAS_HASH_STYLE_GNU:=$(shell $(CC) -dumpspecs | grep -- '--hash-style=gnu') |
aoqi@0 | 311 | ifneq ($(_HAS_HASH_STYLE_GNU),) |
aoqi@0 | 312 | LDFLAGS_HASH_STYLE = -Wl,--hash-style=both |
aoqi@0 | 313 | endif |
aoqi@0 | 314 | else |
aoqi@0 | 315 | # Don't know how to find out the 'hash style' of a system as '-dumpspecs' |
aoqi@0 | 316 | # doesn't work for Clang. So for now we'll alwys use --hash-style=both |
aoqi@0 | 317 | LDFLAGS_HASH_STYLE = -Wl,--hash-style=both |
aoqi@0 | 318 | endif |
aoqi@0 | 319 | |
aoqi@0 | 320 | LFLAGS += $(LDFLAGS_HASH_STYLE) |
aoqi@0 | 321 | |
aoqi@0 | 322 | # Use $(MAPFLAG:FILENAME=real_file_name) to specify a map file. |
aoqi@0 | 323 | MAPFLAG = -Xlinker --version-script=FILENAME |
aoqi@0 | 324 | |
aoqi@0 | 325 | # Use $(SONAMEFLAG:SONAME=soname) to specify the intrinsic name of a shared obj |
aoqi@0 | 326 | SONAMEFLAG = -Xlinker -soname=SONAME |
aoqi@0 | 327 | |
aoqi@0 | 328 | # Build shared library |
aoqi@0 | 329 | SHARED_FLAG = -shared |
aoqi@0 | 330 | |
aoqi@0 | 331 | # Keep symbols even they are not used |
aoqi@0 | 332 | AOUT_FLAGS += -Xlinker -export-dynamic |
aoqi@0 | 333 | |
aoqi@0 | 334 | #------------------------------------------------------------------------ |
aoqi@0 | 335 | # Debug flags |
aoqi@0 | 336 | |
aoqi@0 | 337 | ifeq ($(USE_CLANG), true) |
aoqi@0 | 338 | # Restrict the debug information created by Clang to avoid |
aoqi@0 | 339 | # too big object files and speed the build up a little bit |
aoqi@0 | 340 | # (see http://llvm.org/bugs/show_bug.cgi?id=7554) |
aoqi@0 | 341 | CFLAGS += -flimit-debug-info |
aoqi@0 | 342 | endif |
aoqi@0 | 343 | |
aoqi@0 | 344 | # DEBUG_BINARIES uses full -g debug information for all configs |
aoqi@0 | 345 | ifeq ($(DEBUG_BINARIES), true) |
aoqi@0 | 346 | CFLAGS += -g |
aoqi@0 | 347 | else |
aoqi@0 | 348 | # Use the stabs format for debugging information (this is the default |
aoqi@0 | 349 | # on gcc-2.91). It's good enough, has all the information about line |
aoqi@0 | 350 | # numbers and local variables, and libjvm.so is only about 16M. |
aoqi@0 | 351 | # Change this back to "-g" if you want the most expressive format. |
aoqi@0 | 352 | # (warning: that could easily inflate libjvm.so to 150M!) |
aoqi@0 | 353 | # Note: The Itanium gcc compiler crashes when using -gstabs. |
aoqi@0 | 354 | DEBUG_CFLAGS/ia64 = -g |
aoqi@0 | 355 | DEBUG_CFLAGS/amd64 = -g |
aoqi@1 | 356 | DEBUG_CFLAGS/mips64 = -g |
aoqi@0 | 357 | DEBUG_CFLAGS/arm = -g |
aoqi@0 | 358 | DEBUG_CFLAGS/ppc = -g |
aoqi@0 | 359 | DEBUG_CFLAGS/ppc64 = -g |
aoqi@0 | 360 | DEBUG_CFLAGS += $(DEBUG_CFLAGS/$(BUILDARCH)) |
aoqi@0 | 361 | ifeq ($(DEBUG_CFLAGS/$(BUILDARCH)),) |
aoqi@0 | 362 | ifeq ($(USE_CLANG), true) |
aoqi@0 | 363 | # Clang doesn't understand -gstabs |
aoqi@0 | 364 | DEBUG_CFLAGS += -g |
aoqi@0 | 365 | else |
aoqi@0 | 366 | DEBUG_CFLAGS += -gstabs |
aoqi@0 | 367 | endif |
aoqi@0 | 368 | endif |
aoqi@0 | 369 | |
aoqi@0 | 370 | ifeq ($(ENABLE_FULL_DEBUG_SYMBOLS),1) |
aoqi@0 | 371 | FASTDEBUG_CFLAGS/ia64 = -g |
aoqi@0 | 372 | FASTDEBUG_CFLAGS/amd64 = -g |
aoqi@1 | 373 | FASTDEBUG_CFLAGS/mips64 = -g |
aoqi@0 | 374 | FASTDEBUG_CFLAGS/arm = -g |
aoqi@0 | 375 | FASTDEBUG_CFLAGS/ppc = -g |
aoqi@0 | 376 | FASTDEBUG_CFLAGS/ppc64 = -g |
aoqi@0 | 377 | FASTDEBUG_CFLAGS += $(DEBUG_CFLAGS/$(BUILDARCH)) |
aoqi@0 | 378 | ifeq ($(FASTDEBUG_CFLAGS/$(BUILDARCH)),) |
aoqi@0 | 379 | ifeq ($(USE_CLANG), true) |
aoqi@0 | 380 | # Clang doesn't understand -gstabs |
aoqi@0 | 381 | FASTDEBUG_CFLAGS += -g |
aoqi@0 | 382 | else |
aoqi@0 | 383 | FASTDEBUG_CFLAGS += -gstabs |
aoqi@0 | 384 | endif |
aoqi@0 | 385 | endif |
aoqi@0 | 386 | |
aoqi@0 | 387 | OPT_CFLAGS/ia64 = -g |
aoqi@0 | 388 | OPT_CFLAGS/amd64 = -g |
aoqi@1 | 389 | OPT_CFLAGS/mips64 = -g |
aoqi@0 | 390 | OPT_CFLAGS/arm = -g |
aoqi@0 | 391 | OPT_CFLAGS/ppc = -g |
aoqi@0 | 392 | OPT_CFLAGS/ppc64 = -g |
aoqi@0 | 393 | OPT_CFLAGS += $(OPT_CFLAGS/$(BUILDARCH)) |
aoqi@0 | 394 | ifeq ($(OPT_CFLAGS/$(BUILDARCH)),) |
aoqi@0 | 395 | ifeq ($(USE_CLANG), true) |
aoqi@0 | 396 | # Clang doesn't understand -gstabs |
aoqi@0 | 397 | OPT_CFLAGS += -g |
aoqi@0 | 398 | else |
aoqi@0 | 399 | OPT_CFLAGS += -gstabs |
aoqi@0 | 400 | endif |
aoqi@0 | 401 | endif |
aoqi@0 | 402 | endif |
aoqi@0 | 403 | endif |
aoqi@0 | 404 | |
aoqi@0 | 405 | # If we are building HEADLESS, pass on to VM |
aoqi@0 | 406 | # so it can set the java.awt.headless property |
aoqi@0 | 407 | ifdef HEADLESS |
aoqi@0 | 408 | CFLAGS += -DHEADLESS |
aoqi@0 | 409 | endif |
aoqi@0 | 410 | |
aoqi@0 | 411 | # We are building Embedded for a small device |
aoqi@0 | 412 | # favor code space over speed |
aoqi@0 | 413 | ifdef MINIMIZE_RAM_USAGE |
aoqi@0 | 414 | CFLAGS += -DMINIMIZE_RAM_USAGE |
aoqi@0 | 415 | endif |
aoqi@0 | 416 | |
aoqi@0 | 417 | # Stack walking in the JVM relies on frame pointer (%rbp) to walk thread stack. |
aoqi@0 | 418 | # Explicitly specify -fno-omit-frame-pointer because it is off by default |
aoqi@0 | 419 | # starting with gcc 4.6. |
aoqi@0 | 420 | ifndef USE_SUNCC |
aoqi@0 | 421 | CFLAGS += -fno-omit-frame-pointer |
aoqi@0 | 422 | endif |