Mercurial > hg > truffle
annotate make/linux/makefiles/gcc.make @ 2151:cb913d743d09
Merge
author | johnc |
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date | Wed, 19 Jan 2011 13:04:37 -0800 |
parents | a5610f0862fe |
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0 | 1 # |
1692 | 2 # Copyright (c) 1999, 2010, 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 | |
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28 # When cross-compiling the ALT_COMPILER_PATH points |
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29 # to the cross-compilation toolset |
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30 ifdef CROSS_COMPILE_ARCH |
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31 CPP = $(ALT_COMPILER_PATH)/g++ |
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32 CC = $(ALT_COMPILER_PATH)/gcc |
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33 else |
0 | 34 CPP = g++ |
35 CC = gcc | |
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36 endif |
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37 |
0 | 38 AS = $(CC) -c |
39 | |
40 # -dumpversion in gcc-2.91 shows "egcs-2.91.66". In later version, it only | |
41 # prints the numbers (e.g. "2.95", "3.2.1") | |
42 CC_VER_MAJOR := $(shell $(CC) -dumpversion | sed 's/egcs-//' | cut -d'.' -f1) | |
43 CC_VER_MINOR := $(shell $(CC) -dumpversion | sed 's/egcs-//' | cut -d'.' -f2) | |
44 | |
45 # check for precompiled headers support | |
46 ifneq "$(shell expr \( $(CC_VER_MAJOR) \> 3 \) \| \( \( $(CC_VER_MAJOR) = 3 \) \& \( $(CC_VER_MINOR) \>= 4 \) \))" "0" | |
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47 # Allow the user to turn off precompiled headers from the command line. |
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48 ifneq ($(USE_PRECOMPILED_HEADER),0) |
0 | 49 USE_PRECOMPILED_HEADER=1 |
50 PRECOMPILED_HEADER_DIR=. | |
1972 | 51 PRECOMPILED_HEADER_SRC=$(GAMMADIR)/src/share/vm/precompiled.hpp |
52 PRECOMPILED_HEADER=$(PRECOMPILED_HEADER_DIR)/precompiled.hpp.gch | |
0 | 53 endif |
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54 endif |
0 | 55 |
56 | |
57 #------------------------------------------------------------------------ | |
58 # Compiler flags | |
59 | |
60 # position-independent code | |
61 PICFLAG = -fPIC | |
62 | |
63 VM_PICFLAG/LIBJVM = $(PICFLAG) | |
64 VM_PICFLAG/AOUT = | |
65 VM_PICFLAG = $(VM_PICFLAG/$(LINK_INTO)) | |
66 | |
1010 | 67 ifeq ($(ZERO_BUILD), true) |
68 CFLAGS += $(LIBFFI_CFLAGS) | |
69 endif | |
1692 | 70 ifeq ($(SHARK_BUILD), true) |
71 CFLAGS += $(LLVM_CFLAGS) | |
72 endif | |
0 | 73 CFLAGS += $(VM_PICFLAG) |
74 CFLAGS += -fno-rtti | |
75 CFLAGS += -fno-exceptions | |
76 CFLAGS += -D_REENTRANT | |
77 CFLAGS += -fcheck-new | |
78 | |
79 ARCHFLAG = $(ARCHFLAG/$(BUILDARCH)) | |
80 ARCHFLAG/i486 = -m32 -march=i586 | |
81 ARCHFLAG/amd64 = -m64 | |
82 ARCHFLAG/ia64 = | |
83 ARCHFLAG/sparc = -m32 -mcpu=v9 | |
84 ARCHFLAG/sparcv9 = -m64 -mcpu=v9 | |
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85 ARCHFLAG/arm = -fsigned-char |
1010 | 86 ARCHFLAG/zero = $(ZERO_ARCHFLAG) |
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87 ifndef E500V2 |
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88 ARCHFLAG/ppc = -mcpu=powerpc |
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89 endif |
0 | 90 |
91 CFLAGS += $(ARCHFLAG) | |
92 AOUT_FLAGS += $(ARCHFLAG) | |
93 LFLAGS += $(ARCHFLAG) | |
94 ASFLAGS += $(ARCHFLAG) | |
95 | |
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96 ifdef E500V2 |
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97 CFLAGS += -DE500V2 |
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98 endif |
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99 |
0 | 100 # Use C++ Interpreter |
101 ifdef CC_INTERP | |
102 CFLAGS += -DCC_INTERP | |
103 endif | |
104 | |
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105 # Build for embedded targets |
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106 ifdef JAVASE_EMBEDDED |
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107 CFLAGS += -DJAVASE_EMBEDDED |
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108 endif |
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109 |
0 | 110 # Keep temporary files (.ii, .s) |
111 ifdef NEED_ASM | |
112 CFLAGS += -save-temps | |
113 else | |
114 CFLAGS += -pipe | |
115 endif | |
116 | |
117 # Compiler warnings are treated as errors | |
118 WARNINGS_ARE_ERRORS = -Werror | |
229 | 119 |
0 | 120 # Except for a few acceptable ones |
229 | 121 # Since GCC 4.3, -Wconversion has changed its meanings to warn these implicit |
122 # conversions which might affect the values. To avoid that, we need to turn | |
123 # it off explicitly. | |
124 ifneq "$(shell expr \( $(CC_VER_MAJOR) \> 4 \) \| \( \( $(CC_VER_MAJOR) = 4 \) \& \( $(CC_VER_MINOR) \>= 3 \) \))" "0" | |
125 ACCEPTABLE_WARNINGS = -Wpointer-arith -Wsign-compare | |
126 else | |
0 | 127 ACCEPTABLE_WARNINGS = -Wpointer-arith -Wconversion -Wsign-compare |
229 | 128 endif |
129 | |
0 | 130 CFLAGS_WARN/DEFAULT = $(WARNINGS_ARE_ERRORS) $(ACCEPTABLE_WARNINGS) |
131 # Special cases | |
132 CFLAGS_WARN/BYFILE = $(CFLAGS_WARN/$@)$(CFLAGS_WARN/DEFAULT$(CFLAGS_WARN/$@)) | |
133 | |
134 # The flags to use for an Optimized g++ build | |
135 OPT_CFLAGS += -O3 | |
136 | |
137 # Hotspot uses very unstrict aliasing turn this optimization off | |
138 OPT_CFLAGS += -fno-strict-aliasing | |
139 | |
140 # The gcc compiler segv's on ia64 when compiling bytecodeInterpreter.cpp | |
141 # if we use expensive-optimizations | |
142 ifeq ($(BUILDARCH), ia64) | |
143 OPT_CFLAGS += -fno-expensive-optimizations | |
144 endif | |
145 | |
146 OPT_CFLAGS/NOOPT=-O0 | |
147 | |
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148 # 6835796. Problem in GCC 4.3.0 with mulnode.o optimized compilation. |
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149 ifneq "$(shell expr \( \( $(CC_VER_MAJOR) = 4 \) \& \( $(CC_VER_MINOR) = 3 \) \))" "0" |
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150 OPT_CFLAGS/mulnode.o += -O0 |
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151 endif |
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152 |
1972 | 153 # Flags for generating make dependency flags. |
154 ifneq ("${CC_VER_MAJOR}", "2") | |
155 DEPFLAGS = -MMD -MP -MF $(DEP_DIR)/$(@:%=%.d) | |
156 endif | |
157 | |
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158 # -DDONT_USE_PRECOMPILED_HEADER will exclude all includes in precompiled.hpp. |
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159 ifneq ($(USE_PRECOMPILED_HEADER),1) |
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160 CFLAGS += -DDONT_USE_PRECOMPILED_HEADER |
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161 endif |
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162 |
0 | 163 #------------------------------------------------------------------------ |
164 # Linker flags | |
165 | |
166 # statically link libstdc++.so, work with gcc but ignored by g++ | |
167 STATIC_STDCXX = -Wl,-Bstatic -lstdc++ -Wl,-Bdynamic | |
168 | |
169 # statically link libgcc and/or libgcc_s, libgcc does not exist before gcc-3.x. | |
170 ifneq ("${CC_VER_MAJOR}", "2") | |
171 STATIC_LIBGCC += -static-libgcc | |
172 endif | |
173 | |
174 ifeq ($(BUILDARCH), ia64) | |
175 LFLAGS += -Wl,-relax | |
176 endif | |
177 | |
178 # Enable linker optimization | |
179 LFLAGS += -Xlinker -O1 | |
180 | |
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181 # If this is a --hash-style=gnu system, use --hash-style=both |
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182 # The gnu .hash section won't work on some Linux systems like SuSE 10. |
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183 _HAS_HASH_STYLE_GNU:=$(shell $(CC) -dumpspecs | grep -- '--hash-style=gnu') |
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184 ifneq ($(_HAS_HASH_STYLE_GNU),) |
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185 LDFLAGS_HASH_STYLE = -Wl,--hash-style=both |
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186 endif |
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187 LFLAGS += $(LDFLAGS_HASH_STYLE) |
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188 |
0 | 189 # Use $(MAPFLAG:FILENAME=real_file_name) to specify a map file. |
190 MAPFLAG = -Xlinker --version-script=FILENAME | |
191 | |
192 # Use $(SONAMEFLAG:SONAME=soname) to specify the intrinsic name of a shared obj | |
193 SONAMEFLAG = -Xlinker -soname=SONAME | |
194 | |
195 # Build shared library | |
196 SHARED_FLAG = -shared | |
197 | |
198 # Keep symbols even they are not used | |
199 AOUT_FLAGS += -export-dynamic | |
200 | |
201 #------------------------------------------------------------------------ | |
202 # Debug flags | |
203 | |
204 # Use the stabs format for debugging information (this is the default | |
205 # on gcc-2.91). It's good enough, has all the information about line | |
206 # numbers and local variables, and libjvm_g.so is only about 16M. | |
207 # Change this back to "-g" if you want the most expressive format. | |
208 # (warning: that could easily inflate libjvm_g.so to 150M!) | |
209 # Note: The Itanium gcc compiler crashes when using -gstabs. | |
210 DEBUG_CFLAGS/ia64 = -g | |
211 DEBUG_CFLAGS/amd64 = -g | |
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212 DEBUG_CFLAGS/arm = -g |
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213 DEBUG_CFLAGS/ppc = -g |
0 | 214 DEBUG_CFLAGS += $(DEBUG_CFLAGS/$(BUILDARCH)) |
215 ifeq ($(DEBUG_CFLAGS/$(BUILDARCH)),) | |
216 DEBUG_CFLAGS += -gstabs | |
217 endif | |
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218 |
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219 # DEBUG_BINARIES overrides everything, use full -g debug information |
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220 ifeq ($(DEBUG_BINARIES), true) |
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221 DEBUG_CFLAGS = -g |
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222 CFLAGS += $(DEBUG_CFLAGS) |
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223 endif |
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224 |
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225 # If we are building HEADLESS, pass on to VM |
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226 # so it can set the java.awt.headless property |
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227 ifdef HEADLESS |
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228 CFLAGS += -DHEADLESS |
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229 endif |
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230 |
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231 # We are building Embedded for a small device |
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232 # favor code space over speed |
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233 ifdef MINIMIZE_RAM_USAGE |
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234 CFLAGS += -DMINIMIZE_RAM_USAGE |
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235 endif |