make/linux/makefiles/gcc.make

Fri, 16 Sep 2011 16:21:20 -0700

author
dcubed
date
Fri, 16 Sep 2011 16:21:20 -0700
changeset 3150
da0999c4b733
parent 2839
250642c729b4
child 3229
95009f678859
permissions
-rw-r--r--

7071904: 4/4 HotSpot: Full Debug Symbols
Summary: Add support for .debuginfo files for HSX libraries.
Reviewed-by: poonam, dholmes, never

duke@435 1 #
trims@2708 2 # Copyright (c) 1999, 2011, Oracle and/or its affiliates. All rights reserved.
duke@435 3 # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
duke@435 4 #
duke@435 5 # This code is free software; you can redistribute it and/or modify it
duke@435 6 # under the terms of the GNU General Public License version 2 only, as
duke@435 7 # published by the Free Software Foundation.
duke@435 8 #
duke@435 9 # This code is distributed in the hope that it will be useful, but WITHOUT
duke@435 10 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
duke@435 11 # FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
duke@435 12 # version 2 for more details (a copy is included in the LICENSE file that
duke@435 13 # accompanied this code).
duke@435 14 #
duke@435 15 # You should have received a copy of the GNU General Public License version
duke@435 16 # 2 along with this work; if not, write to the Free Software Foundation,
duke@435 17 # Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
duke@435 18 #
trims@1907 19 # Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
trims@1907 20 # or visit www.oracle.com if you need additional information or have any
trims@1907 21 # questions.
duke@435 22 #
duke@435 23 #
duke@435 24
duke@435 25 #------------------------------------------------------------------------
duke@435 26 # CC, CPP & AS
duke@435 27
dholmes@2362 28 # When cross-compiling the ALT_COMPILER_PATH points
dholmes@2362 29 # to the cross-compilation toolset
dholmes@2362 30 ifdef CROSS_COMPILE_ARCH
bobv@2036 31 CPP = $(ALT_COMPILER_PATH)/g++
bobv@2036 32 CC = $(ALT_COMPILER_PATH)/gcc
roland@2683 33 HOSTCPP = g++
roland@2683 34 HOSTCC = gcc
bobv@2036 35 else
duke@435 36 CPP = g++
duke@435 37 CC = gcc
roland@2683 38 HOSTCPP = $(CPP)
roland@2683 39 HOSTCC = $(CC)
bobv@2036 40 endif
bobv@2036 41
duke@435 42 AS = $(CC) -c
duke@435 43
duke@435 44 # -dumpversion in gcc-2.91 shows "egcs-2.91.66". In later version, it only
duke@435 45 # prints the numbers (e.g. "2.95", "3.2.1")
duke@435 46 CC_VER_MAJOR := $(shell $(CC) -dumpversion | sed 's/egcs-//' | cut -d'.' -f1)
duke@435 47 CC_VER_MINOR := $(shell $(CC) -dumpversion | sed 's/egcs-//' | cut -d'.' -f2)
duke@435 48
duke@435 49 # check for precompiled headers support
duke@435 50 ifneq "$(shell expr \( $(CC_VER_MAJOR) \> 3 \) \| \( \( $(CC_VER_MAJOR) = 3 \) \& \( $(CC_VER_MINOR) \>= 4 \) \))" "0"
stefank@2325 51 # Allow the user to turn off precompiled headers from the command line.
stefank@2325 52 ifneq ($(USE_PRECOMPILED_HEADER),0)
duke@435 53 USE_PRECOMPILED_HEADER=1
duke@435 54 PRECOMPILED_HEADER_DIR=.
stefank@2314 55 PRECOMPILED_HEADER_SRC=$(GAMMADIR)/src/share/vm/precompiled.hpp
stefank@2314 56 PRECOMPILED_HEADER=$(PRECOMPILED_HEADER_DIR)/precompiled.hpp.gch
duke@435 57 endif
stefank@2325 58 endif
duke@435 59
duke@435 60
duke@435 61 #------------------------------------------------------------------------
duke@435 62 # Compiler flags
duke@435 63
duke@435 64 # position-independent code
duke@435 65 PICFLAG = -fPIC
duke@435 66
duke@435 67 VM_PICFLAG/LIBJVM = $(PICFLAG)
duke@435 68 VM_PICFLAG/AOUT =
duke@435 69 VM_PICFLAG = $(VM_PICFLAG/$(LINK_INTO))
duke@435 70
never@1445 71 ifeq ($(ZERO_BUILD), true)
never@1445 72 CFLAGS += $(LIBFFI_CFLAGS)
never@1445 73 endif
twisti@2047 74 ifeq ($(SHARK_BUILD), true)
twisti@2047 75 CFLAGS += $(LLVM_CFLAGS)
twisti@2047 76 endif
duke@435 77 CFLAGS += $(VM_PICFLAG)
duke@435 78 CFLAGS += -fno-rtti
duke@435 79 CFLAGS += -fno-exceptions
duke@435 80 CFLAGS += -D_REENTRANT
duke@435 81 CFLAGS += -fcheck-new
coleenp@2507 82 # version 4 and above support fvisibility=hidden (matches jni_x86.h file)
coleenp@2507 83 # except 4.1.2 gives pointless warnings that can't be disabled (afaik)
coleenp@2507 84 ifneq "$(shell expr \( $(CC_VER_MAJOR) \> 4 \) \| \( \( $(CC_VER_MAJOR) = 4 \) \& \( $(CC_VER_MINOR) \>= 3 \) \))" "0"
coleenp@2507 85 CFLAGS += -fvisibility=hidden
coleenp@2507 86 endif
duke@435 87
duke@435 88 ARCHFLAG = $(ARCHFLAG/$(BUILDARCH))
duke@435 89 ARCHFLAG/i486 = -m32 -march=i586
duke@435 90 ARCHFLAG/amd64 = -m64
duke@435 91 ARCHFLAG/ia64 =
duke@435 92 ARCHFLAG/sparc = -m32 -mcpu=v9
duke@435 93 ARCHFLAG/sparcv9 = -m64 -mcpu=v9
bobv@2036 94 ARCHFLAG/arm = -fsigned-char
never@1445 95 ARCHFLAG/zero = $(ZERO_ARCHFLAG)
bobv@2036 96 ifndef E500V2
bobv@2036 97 ARCHFLAG/ppc = -mcpu=powerpc
bobv@2036 98 endif
duke@435 99
duke@435 100 CFLAGS += $(ARCHFLAG)
duke@435 101 AOUT_FLAGS += $(ARCHFLAG)
duke@435 102 LFLAGS += $(ARCHFLAG)
duke@435 103 ASFLAGS += $(ARCHFLAG)
duke@435 104
bobv@2036 105 ifdef E500V2
bobv@2036 106 CFLAGS += -DE500V2
bobv@2036 107 endif
bobv@2036 108
duke@435 109 # Use C++ Interpreter
duke@435 110 ifdef CC_INTERP
duke@435 111 CFLAGS += -DCC_INTERP
duke@435 112 endif
duke@435 113
bobv@2036 114 # Build for embedded targets
bobv@2036 115 ifdef JAVASE_EMBEDDED
bobv@2036 116 CFLAGS += -DJAVASE_EMBEDDED
bobv@2036 117 endif
bobv@2036 118
duke@435 119 # Keep temporary files (.ii, .s)
duke@435 120 ifdef NEED_ASM
duke@435 121 CFLAGS += -save-temps
duke@435 122 else
duke@435 123 CFLAGS += -pipe
duke@435 124 endif
duke@435 125
duke@435 126 # Compiler warnings are treated as errors
duke@435 127 WARNINGS_ARE_ERRORS = -Werror
xlu@664 128
duke@435 129 # Except for a few acceptable ones
xlu@664 130 # Since GCC 4.3, -Wconversion has changed its meanings to warn these implicit
xlu@664 131 # conversions which might affect the values. To avoid that, we need to turn
xlu@664 132 # it off explicitly.
xlu@664 133 ifneq "$(shell expr \( $(CC_VER_MAJOR) \> 4 \) \| \( \( $(CC_VER_MAJOR) = 4 \) \& \( $(CC_VER_MINOR) \>= 3 \) \))" "0"
xlu@664 134 ACCEPTABLE_WARNINGS = -Wpointer-arith -Wsign-compare
xlu@664 135 else
duke@435 136 ACCEPTABLE_WARNINGS = -Wpointer-arith -Wconversion -Wsign-compare
xlu@664 137 endif
xlu@664 138
duke@435 139 CFLAGS_WARN/DEFAULT = $(WARNINGS_ARE_ERRORS) $(ACCEPTABLE_WARNINGS)
duke@435 140 # Special cases
duke@435 141 CFLAGS_WARN/BYFILE = $(CFLAGS_WARN/$@)$(CFLAGS_WARN/DEFAULT$(CFLAGS_WARN/$@))
duke@435 142
duke@435 143 # The flags to use for an Optimized g++ build
duke@435 144 OPT_CFLAGS += -O3
duke@435 145
duke@435 146 # Hotspot uses very unstrict aliasing turn this optimization off
duke@435 147 OPT_CFLAGS += -fno-strict-aliasing
duke@435 148
duke@435 149 # The gcc compiler segv's on ia64 when compiling bytecodeInterpreter.cpp
duke@435 150 # if we use expensive-optimizations
duke@435 151 ifeq ($(BUILDARCH), ia64)
duke@435 152 OPT_CFLAGS += -fno-expensive-optimizations
duke@435 153 endif
duke@435 154
duke@435 155 OPT_CFLAGS/NOOPT=-O0
duke@435 156
kvn@1179 157 # 6835796. Problem in GCC 4.3.0 with mulnode.o optimized compilation.
kvn@1179 158 ifneq "$(shell expr \( \( $(CC_VER_MAJOR) = 4 \) \& \( $(CC_VER_MINOR) = 3 \) \))" "0"
kvn@1179 159 OPT_CFLAGS/mulnode.o += -O0
kvn@1179 160 endif
kvn@1179 161
stefank@2314 162 # Flags for generating make dependency flags.
stefank@2314 163 ifneq ("${CC_VER_MAJOR}", "2")
stefank@2314 164 DEPFLAGS = -MMD -MP -MF $(DEP_DIR)/$(@:%=%.d)
stefank@2314 165 endif
stefank@2314 166
stefank@2325 167 # -DDONT_USE_PRECOMPILED_HEADER will exclude all includes in precompiled.hpp.
stefank@2325 168 ifneq ($(USE_PRECOMPILED_HEADER),1)
stefank@2325 169 CFLAGS += -DDONT_USE_PRECOMPILED_HEADER
stefank@2325 170 endif
stefank@2325 171
duke@435 172 #------------------------------------------------------------------------
duke@435 173 # Linker flags
duke@435 174
duke@435 175 # statically link libstdc++.so, work with gcc but ignored by g++
duke@435 176 STATIC_STDCXX = -Wl,-Bstatic -lstdc++ -Wl,-Bdynamic
duke@435 177
duke@435 178 # statically link libgcc and/or libgcc_s, libgcc does not exist before gcc-3.x.
duke@435 179 ifneq ("${CC_VER_MAJOR}", "2")
duke@435 180 STATIC_LIBGCC += -static-libgcc
duke@435 181 endif
duke@435 182
duke@435 183 ifeq ($(BUILDARCH), ia64)
duke@435 184 LFLAGS += -Wl,-relax
duke@435 185 endif
duke@435 186
duke@435 187 # Enable linker optimization
duke@435 188 LFLAGS += -Xlinker -O1
duke@435 189
ohair@1011 190 # If this is a --hash-style=gnu system, use --hash-style=both
ohair@1011 191 # The gnu .hash section won't work on some Linux systems like SuSE 10.
ohair@1011 192 _HAS_HASH_STYLE_GNU:=$(shell $(CC) -dumpspecs | grep -- '--hash-style=gnu')
ohair@1011 193 ifneq ($(_HAS_HASH_STYLE_GNU),)
ohair@1011 194 LDFLAGS_HASH_STYLE = -Wl,--hash-style=both
ohair@1011 195 endif
ohair@1011 196 LFLAGS += $(LDFLAGS_HASH_STYLE)
ohair@1011 197
duke@435 198 # Use $(MAPFLAG:FILENAME=real_file_name) to specify a map file.
duke@435 199 MAPFLAG = -Xlinker --version-script=FILENAME
duke@435 200
duke@435 201 # Use $(SONAMEFLAG:SONAME=soname) to specify the intrinsic name of a shared obj
duke@435 202 SONAMEFLAG = -Xlinker -soname=SONAME
duke@435 203
duke@435 204 # Build shared library
duke@435 205 SHARED_FLAG = -shared
duke@435 206
duke@435 207 # Keep symbols even they are not used
dsamersoff@2839 208 AOUT_FLAGS += -Xlinker -export-dynamic
duke@435 209
duke@435 210 #------------------------------------------------------------------------
duke@435 211 # Debug flags
duke@435 212
duke@435 213 # Use the stabs format for debugging information (this is the default
duke@435 214 # on gcc-2.91). It's good enough, has all the information about line
duke@435 215 # numbers and local variables, and libjvm_g.so is only about 16M.
duke@435 216 # Change this back to "-g" if you want the most expressive format.
duke@435 217 # (warning: that could easily inflate libjvm_g.so to 150M!)
duke@435 218 # Note: The Itanium gcc compiler crashes when using -gstabs.
duke@435 219 DEBUG_CFLAGS/ia64 = -g
duke@435 220 DEBUG_CFLAGS/amd64 = -g
bobv@2036 221 DEBUG_CFLAGS/arm = -g
bobv@2036 222 DEBUG_CFLAGS/ppc = -g
duke@435 223 DEBUG_CFLAGS += $(DEBUG_CFLAGS/$(BUILDARCH))
duke@435 224 ifeq ($(DEBUG_CFLAGS/$(BUILDARCH)),)
duke@435 225 DEBUG_CFLAGS += -gstabs
duke@435 226 endif
aph@1202 227
dcubed@3150 228 ifneq ($(OBJCOPY),)
dcubed@3150 229 FASTDEBUG_CFLAGS/ia64 = -g
dcubed@3150 230 FASTDEBUG_CFLAGS/amd64 = -g
dcubed@3150 231 FASTDEBUG_CFLAGS/arm = -g
dcubed@3150 232 FASTDEBUG_CFLAGS/ppc = -g
dcubed@3150 233 FASTDEBUG_CFLAGS += $(DEBUG_CFLAGS/$(BUILDARCH))
dcubed@3150 234 ifeq ($(FASTDEBUG_CFLAGS/$(BUILDARCH)),)
dcubed@3150 235 FASTDEBUG_CFLAGS += -gstabs
dcubed@3150 236 endif
dcubed@3150 237
dcubed@3150 238 OPT_CFLAGS/ia64 = -g
dcubed@3150 239 OPT_CFLAGS/amd64 = -g
dcubed@3150 240 OPT_CFLAGS/arm = -g
dcubed@3150 241 OPT_CFLAGS/ppc = -g
dcubed@3150 242 OPT_CFLAGS += $(OPT_CFLAGS/$(BUILDARCH))
dcubed@3150 243 ifeq ($(OPT_CFLAGS/$(BUILDARCH)),)
dcubed@3150 244 OPT_CFLAGS += -gstabs
dcubed@3150 245 endif
dcubed@3150 246 endif
dcubed@3150 247
aph@1202 248 # DEBUG_BINARIES overrides everything, use full -g debug information
aph@1202 249 ifeq ($(DEBUG_BINARIES), true)
aph@1202 250 DEBUG_CFLAGS = -g
aph@1202 251 CFLAGS += $(DEBUG_CFLAGS)
aph@1202 252 endif
bobv@2036 253
bobv@2036 254 # If we are building HEADLESS, pass on to VM
bobv@2036 255 # so it can set the java.awt.headless property
bobv@2036 256 ifdef HEADLESS
bobv@2036 257 CFLAGS += -DHEADLESS
bobv@2036 258 endif
bobv@2036 259
bobv@2036 260 # We are building Embedded for a small device
bobv@2036 261 # favor code space over speed
bobv@2036 262 ifdef MINIMIZE_RAM_USAGE
bobv@2036 263 CFLAGS += -DMINIMIZE_RAM_USAGE
bobv@2036 264 endif
dcubed@3150 265
dcubed@3150 266 ifdef CROSS_COMPILE_ARCH
dcubed@3150 267 STRIP = $(ALT_COMPILER_PATH)/strip
dcubed@3150 268 else
dcubed@3150 269 STRIP = strip
dcubed@3150 270 endif

mercurial