Mercurial > hg > truffle
annotate make/linux/makefiles/gcc.make @ 1552:c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
Summary: Change all the Sun copyrights to Oracle copyright
Reviewed-by: ohair
| author | trims |
|---|---|
| date | Thu, 27 May 2010 19:08:38 -0700 |
| parents | 354d3184f6b2 |
| children | 126ea7725993 |
| rev | line source |
|---|---|
| 0 | 1 # |
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2 # Copyright (c) 1999, 2009, Oracle and/or its affiliates. All rights reserved. |
| 0 | 3 # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 4 # | |
| 5 # This code is free software; you can redistribute it and/or modify it | |
| 6 # under the terms of the GNU General Public License version 2 only, as | |
| 7 # published by the Free Software Foundation. | |
| 8 # | |
| 9 # This code is distributed in the hope that it will be useful, but WITHOUT | |
| 10 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 11 # FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 12 # version 2 for more details (a copy is included in the LICENSE file that | |
| 13 # accompanied this code). | |
| 14 # | |
| 15 # You should have received a copy of the GNU General Public License version | |
| 16 # 2 along with this work; if not, write to the Free Software Foundation, | |
| 17 # Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 18 # | |
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19 # Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 # or visit www.oracle.com if you need additional information or have any |
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21 # questions. |
| 0 | 22 # |
| 23 # | |
| 24 | |
| 25 #------------------------------------------------------------------------ | |
| 26 # CC, CPP & AS | |
| 27 | |
| 28 CPP = g++ | |
| 29 CC = gcc | |
| 30 AS = $(CC) -c | |
| 31 | |
| 32 # -dumpversion in gcc-2.91 shows "egcs-2.91.66". In later version, it only | |
| 33 # prints the numbers (e.g. "2.95", "3.2.1") | |
| 34 CC_VER_MAJOR := $(shell $(CC) -dumpversion | sed 's/egcs-//' | cut -d'.' -f1) | |
| 35 CC_VER_MINOR := $(shell $(CC) -dumpversion | sed 's/egcs-//' | cut -d'.' -f2) | |
| 36 | |
| 37 # check for precompiled headers support | |
| 38 ifneq "$(shell expr \( $(CC_VER_MAJOR) \> 3 \) \| \( \( $(CC_VER_MAJOR) = 3 \) \& \( $(CC_VER_MINOR) \>= 4 \) \))" "0" | |
| 39 USE_PRECOMPILED_HEADER=1 | |
| 40 PRECOMPILED_HEADER_DIR=. | |
| 41 PRECOMPILED_HEADER=$(PRECOMPILED_HEADER_DIR)/incls/_precompiled.incl.gch | |
| 42 endif | |
| 43 | |
| 44 | |
| 45 #------------------------------------------------------------------------ | |
| 46 # Compiler flags | |
| 47 | |
| 48 # position-independent code | |
| 49 PICFLAG = -fPIC | |
| 50 | |
| 51 VM_PICFLAG/LIBJVM = $(PICFLAG) | |
| 52 VM_PICFLAG/AOUT = | |
| 53 VM_PICFLAG = $(VM_PICFLAG/$(LINK_INTO)) | |
| 54 | |
| 1010 | 55 ifeq ($(ZERO_BUILD), true) |
| 56 CFLAGS += $(LIBFFI_CFLAGS) | |
| 57 endif | |
| 0 | 58 CFLAGS += $(VM_PICFLAG) |
| 59 CFLAGS += -fno-rtti | |
| 60 CFLAGS += -fno-exceptions | |
| 61 CFLAGS += -D_REENTRANT | |
| 62 CFLAGS += -fcheck-new | |
| 63 | |
| 64 ARCHFLAG = $(ARCHFLAG/$(BUILDARCH)) | |
| 65 ARCHFLAG/i486 = -m32 -march=i586 | |
| 66 ARCHFLAG/amd64 = -m64 | |
| 67 ARCHFLAG/ia64 = | |
| 68 ARCHFLAG/sparc = -m32 -mcpu=v9 | |
| 69 ARCHFLAG/sparcv9 = -m64 -mcpu=v9 | |
| 1010 | 70 ARCHFLAG/zero = $(ZERO_ARCHFLAG) |
| 0 | 71 |
| 72 CFLAGS += $(ARCHFLAG) | |
| 73 AOUT_FLAGS += $(ARCHFLAG) | |
| 74 LFLAGS += $(ARCHFLAG) | |
| 75 ASFLAGS += $(ARCHFLAG) | |
| 76 | |
| 77 # Use C++ Interpreter | |
| 78 ifdef CC_INTERP | |
| 79 CFLAGS += -DCC_INTERP | |
| 80 endif | |
| 81 | |
| 82 # Keep temporary files (.ii, .s) | |
| 83 ifdef NEED_ASM | |
| 84 CFLAGS += -save-temps | |
| 85 else | |
| 86 CFLAGS += -pipe | |
| 87 endif | |
| 88 | |
| 89 # Compiler warnings are treated as errors | |
| 90 WARNINGS_ARE_ERRORS = -Werror | |
| 229 | 91 |
| 0 | 92 # Except for a few acceptable ones |
| 229 | 93 # Since GCC 4.3, -Wconversion has changed its meanings to warn these implicit |
| 94 # conversions which might affect the values. To avoid that, we need to turn | |
| 95 # it off explicitly. | |
| 96 ifneq "$(shell expr \( $(CC_VER_MAJOR) \> 4 \) \| \( \( $(CC_VER_MAJOR) = 4 \) \& \( $(CC_VER_MINOR) \>= 3 \) \))" "0" | |
| 97 ACCEPTABLE_WARNINGS = -Wpointer-arith -Wsign-compare | |
| 98 else | |
| 0 | 99 ACCEPTABLE_WARNINGS = -Wpointer-arith -Wconversion -Wsign-compare |
| 229 | 100 endif |
| 101 | |
| 0 | 102 CFLAGS_WARN/DEFAULT = $(WARNINGS_ARE_ERRORS) $(ACCEPTABLE_WARNINGS) |
| 103 # Special cases | |
| 104 CFLAGS_WARN/BYFILE = $(CFLAGS_WARN/$@)$(CFLAGS_WARN/DEFAULT$(CFLAGS_WARN/$@)) | |
| 105 | |
| 106 # The flags to use for an Optimized g++ build | |
| 107 OPT_CFLAGS += -O3 | |
| 108 | |
| 109 # Hotspot uses very unstrict aliasing turn this optimization off | |
| 110 OPT_CFLAGS += -fno-strict-aliasing | |
| 111 | |
| 112 # The gcc compiler segv's on ia64 when compiling bytecodeInterpreter.cpp | |
| 113 # if we use expensive-optimizations | |
| 114 ifeq ($(BUILDARCH), ia64) | |
| 115 OPT_CFLAGS += -fno-expensive-optimizations | |
| 116 endif | |
| 117 | |
| 118 OPT_CFLAGS/NOOPT=-O0 | |
| 119 | |
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120 # 6835796. Problem in GCC 4.3.0 with mulnode.o optimized compilation. |
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121 ifneq "$(shell expr \( \( $(CC_VER_MAJOR) = 4 \) \& \( $(CC_VER_MINOR) = 3 \) \))" "0" |
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122 OPT_CFLAGS/mulnode.o += -O0 |
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123 endif |
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124 |
| 0 | 125 #------------------------------------------------------------------------ |
| 126 # Linker flags | |
| 127 | |
| 128 # statically link libstdc++.so, work with gcc but ignored by g++ | |
| 129 STATIC_STDCXX = -Wl,-Bstatic -lstdc++ -Wl,-Bdynamic | |
| 130 | |
| 131 # statically link libgcc and/or libgcc_s, libgcc does not exist before gcc-3.x. | |
| 132 ifneq ("${CC_VER_MAJOR}", "2") | |
| 133 STATIC_LIBGCC += -static-libgcc | |
| 134 endif | |
| 135 | |
| 136 ifeq ($(BUILDARCH), ia64) | |
| 137 LFLAGS += -Wl,-relax | |
| 138 endif | |
| 139 | |
| 140 # Enable linker optimization | |
| 141 LFLAGS += -Xlinker -O1 | |
| 142 | |
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143 # If this is a --hash-style=gnu system, use --hash-style=both |
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144 # The gnu .hash section won't work on some Linux systems like SuSE 10. |
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145 _HAS_HASH_STYLE_GNU:=$(shell $(CC) -dumpspecs | grep -- '--hash-style=gnu') |
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146 ifneq ($(_HAS_HASH_STYLE_GNU),) |
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147 LDFLAGS_HASH_STYLE = -Wl,--hash-style=both |
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148 endif |
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149 LFLAGS += $(LDFLAGS_HASH_STYLE) |
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150 |
| 0 | 151 # Use $(MAPFLAG:FILENAME=real_file_name) to specify a map file. |
| 152 MAPFLAG = -Xlinker --version-script=FILENAME | |
| 153 | |
| 154 # Use $(SONAMEFLAG:SONAME=soname) to specify the intrinsic name of a shared obj | |
| 155 SONAMEFLAG = -Xlinker -soname=SONAME | |
| 156 | |
| 157 # Build shared library | |
| 158 SHARED_FLAG = -shared | |
| 159 | |
| 160 # Keep symbols even they are not used | |
| 161 AOUT_FLAGS += -export-dynamic | |
| 162 | |
| 163 #------------------------------------------------------------------------ | |
| 164 # Debug flags | |
| 165 | |
| 166 # Use the stabs format for debugging information (this is the default | |
| 167 # on gcc-2.91). It's good enough, has all the information about line | |
| 168 # numbers and local variables, and libjvm_g.so is only about 16M. | |
| 169 # Change this back to "-g" if you want the most expressive format. | |
| 170 # (warning: that could easily inflate libjvm_g.so to 150M!) | |
| 171 # Note: The Itanium gcc compiler crashes when using -gstabs. | |
| 172 DEBUG_CFLAGS/ia64 = -g | |
| 173 DEBUG_CFLAGS/amd64 = -g | |
| 174 DEBUG_CFLAGS += $(DEBUG_CFLAGS/$(BUILDARCH)) | |
| 175 ifeq ($(DEBUG_CFLAGS/$(BUILDARCH)),) | |
| 176 DEBUG_CFLAGS += -gstabs | |
| 177 endif | |
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178 |
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179 # DEBUG_BINARIES overrides everything, use full -g debug information |
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180 ifeq ($(DEBUG_BINARIES), true) |
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181 DEBUG_CFLAGS = -g |
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182 CFLAGS += $(DEBUG_CFLAGS) |
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183 endif |