Mercurial > hg > truffle
annotate make/linux/makefiles/gcc.make @ 1969:a6b067997c7e
Merge
author | coleenp |
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date | Fri, 19 Nov 2010 23:46:06 -0500 |
parents | d2ede61b7a12 |
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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 ifdef ALT_COMPILER_PATH |
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29 CPP = $(ALT_COMPILER_PATH)/g++ |
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30 CC = $(ALT_COMPILER_PATH)/gcc |
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31 else |
0 | 32 CPP = g++ |
33 CC = gcc | |
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34 endif |
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35 |
0 | 36 AS = $(CC) -c |
37 | |
38 # -dumpversion in gcc-2.91 shows "egcs-2.91.66". In later version, it only | |
39 # prints the numbers (e.g. "2.95", "3.2.1") | |
40 CC_VER_MAJOR := $(shell $(CC) -dumpversion | sed 's/egcs-//' | cut -d'.' -f1) | |
41 CC_VER_MINOR := $(shell $(CC) -dumpversion | sed 's/egcs-//' | cut -d'.' -f2) | |
42 | |
43 # check for precompiled headers support | |
44 ifneq "$(shell expr \( $(CC_VER_MAJOR) \> 3 \) \| \( \( $(CC_VER_MAJOR) = 3 \) \& \( $(CC_VER_MINOR) \>= 4 \) \))" "0" | |
45 USE_PRECOMPILED_HEADER=1 | |
46 PRECOMPILED_HEADER_DIR=. | |
47 PRECOMPILED_HEADER=$(PRECOMPILED_HEADER_DIR)/incls/_precompiled.incl.gch | |
48 endif | |
49 | |
50 | |
51 #------------------------------------------------------------------------ | |
52 # Compiler flags | |
53 | |
54 # position-independent code | |
55 PICFLAG = -fPIC | |
56 | |
57 VM_PICFLAG/LIBJVM = $(PICFLAG) | |
58 VM_PICFLAG/AOUT = | |
59 VM_PICFLAG = $(VM_PICFLAG/$(LINK_INTO)) | |
60 | |
1010 | 61 ifeq ($(ZERO_BUILD), true) |
62 CFLAGS += $(LIBFFI_CFLAGS) | |
63 endif | |
1692 | 64 ifeq ($(SHARK_BUILD), true) |
65 CFLAGS += $(LLVM_CFLAGS) | |
66 endif | |
0 | 67 CFLAGS += $(VM_PICFLAG) |
68 CFLAGS += -fno-rtti | |
69 CFLAGS += -fno-exceptions | |
70 CFLAGS += -D_REENTRANT | |
71 CFLAGS += -fcheck-new | |
72 | |
73 ARCHFLAG = $(ARCHFLAG/$(BUILDARCH)) | |
74 ARCHFLAG/i486 = -m32 -march=i586 | |
75 ARCHFLAG/amd64 = -m64 | |
76 ARCHFLAG/ia64 = | |
77 ARCHFLAG/sparc = -m32 -mcpu=v9 | |
78 ARCHFLAG/sparcv9 = -m64 -mcpu=v9 | |
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79 ARCHFLAG/arm = -fsigned-char |
1010 | 80 ARCHFLAG/zero = $(ZERO_ARCHFLAG) |
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81 ifndef E500V2 |
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82 ARCHFLAG/ppc = -mcpu=powerpc |
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83 endif |
0 | 84 |
85 CFLAGS += $(ARCHFLAG) | |
86 AOUT_FLAGS += $(ARCHFLAG) | |
87 LFLAGS += $(ARCHFLAG) | |
88 ASFLAGS += $(ARCHFLAG) | |
89 | |
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90 ifdef E500V2 |
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91 CFLAGS += -DE500V2 |
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92 endif |
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93 |
0 | 94 # Use C++ Interpreter |
95 ifdef CC_INTERP | |
96 CFLAGS += -DCC_INTERP | |
97 endif | |
98 | |
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99 # Build for embedded targets |
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100 ifdef JAVASE_EMBEDDED |
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101 CFLAGS += -DJAVASE_EMBEDDED |
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102 endif |
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103 |
0 | 104 # Keep temporary files (.ii, .s) |
105 ifdef NEED_ASM | |
106 CFLAGS += -save-temps | |
107 else | |
108 CFLAGS += -pipe | |
109 endif | |
110 | |
111 # Compiler warnings are treated as errors | |
112 WARNINGS_ARE_ERRORS = -Werror | |
229 | 113 |
0 | 114 # Except for a few acceptable ones |
229 | 115 # Since GCC 4.3, -Wconversion has changed its meanings to warn these implicit |
116 # conversions which might affect the values. To avoid that, we need to turn | |
117 # it off explicitly. | |
118 ifneq "$(shell expr \( $(CC_VER_MAJOR) \> 4 \) \| \( \( $(CC_VER_MAJOR) = 4 \) \& \( $(CC_VER_MINOR) \>= 3 \) \))" "0" | |
119 ACCEPTABLE_WARNINGS = -Wpointer-arith -Wsign-compare | |
120 else | |
0 | 121 ACCEPTABLE_WARNINGS = -Wpointer-arith -Wconversion -Wsign-compare |
229 | 122 endif |
123 | |
0 | 124 CFLAGS_WARN/DEFAULT = $(WARNINGS_ARE_ERRORS) $(ACCEPTABLE_WARNINGS) |
125 # Special cases | |
126 CFLAGS_WARN/BYFILE = $(CFLAGS_WARN/$@)$(CFLAGS_WARN/DEFAULT$(CFLAGS_WARN/$@)) | |
127 | |
128 # The flags to use for an Optimized g++ build | |
129 OPT_CFLAGS += -O3 | |
130 | |
131 # Hotspot uses very unstrict aliasing turn this optimization off | |
132 OPT_CFLAGS += -fno-strict-aliasing | |
133 | |
134 # The gcc compiler segv's on ia64 when compiling bytecodeInterpreter.cpp | |
135 # if we use expensive-optimizations | |
136 ifeq ($(BUILDARCH), ia64) | |
137 OPT_CFLAGS += -fno-expensive-optimizations | |
138 endif | |
139 | |
140 OPT_CFLAGS/NOOPT=-O0 | |
141 | |
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142 # 6835796. Problem in GCC 4.3.0 with mulnode.o optimized compilation. |
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143 ifneq "$(shell expr \( \( $(CC_VER_MAJOR) = 4 \) \& \( $(CC_VER_MINOR) = 3 \) \))" "0" |
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144 OPT_CFLAGS/mulnode.o += -O0 |
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145 endif |
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146 |
0 | 147 #------------------------------------------------------------------------ |
148 # Linker flags | |
149 | |
150 # statically link libstdc++.so, work with gcc but ignored by g++ | |
151 STATIC_STDCXX = -Wl,-Bstatic -lstdc++ -Wl,-Bdynamic | |
152 | |
153 # statically link libgcc and/or libgcc_s, libgcc does not exist before gcc-3.x. | |
154 ifneq ("${CC_VER_MAJOR}", "2") | |
155 STATIC_LIBGCC += -static-libgcc | |
156 endif | |
157 | |
158 ifeq ($(BUILDARCH), ia64) | |
159 LFLAGS += -Wl,-relax | |
160 endif | |
161 | |
162 # Enable linker optimization | |
163 LFLAGS += -Xlinker -O1 | |
164 | |
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165 # If this is a --hash-style=gnu system, use --hash-style=both |
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166 # The gnu .hash section won't work on some Linux systems like SuSE 10. |
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167 _HAS_HASH_STYLE_GNU:=$(shell $(CC) -dumpspecs | grep -- '--hash-style=gnu') |
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168 ifneq ($(_HAS_HASH_STYLE_GNU),) |
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169 LDFLAGS_HASH_STYLE = -Wl,--hash-style=both |
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170 endif |
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171 LFLAGS += $(LDFLAGS_HASH_STYLE) |
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172 |
0 | 173 # Use $(MAPFLAG:FILENAME=real_file_name) to specify a map file. |
174 MAPFLAG = -Xlinker --version-script=FILENAME | |
175 | |
176 # Use $(SONAMEFLAG:SONAME=soname) to specify the intrinsic name of a shared obj | |
177 SONAMEFLAG = -Xlinker -soname=SONAME | |
178 | |
179 # Build shared library | |
180 SHARED_FLAG = -shared | |
181 | |
182 # Keep symbols even they are not used | |
183 AOUT_FLAGS += -export-dynamic | |
184 | |
185 #------------------------------------------------------------------------ | |
186 # Debug flags | |
187 | |
188 # Use the stabs format for debugging information (this is the default | |
189 # on gcc-2.91). It's good enough, has all the information about line | |
190 # numbers and local variables, and libjvm_g.so is only about 16M. | |
191 # Change this back to "-g" if you want the most expressive format. | |
192 # (warning: that could easily inflate libjvm_g.so to 150M!) | |
193 # Note: The Itanium gcc compiler crashes when using -gstabs. | |
194 DEBUG_CFLAGS/ia64 = -g | |
195 DEBUG_CFLAGS/amd64 = -g | |
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196 DEBUG_CFLAGS/arm = -g |
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197 DEBUG_CFLAGS/ppc = -g |
0 | 198 DEBUG_CFLAGS += $(DEBUG_CFLAGS/$(BUILDARCH)) |
199 ifeq ($(DEBUG_CFLAGS/$(BUILDARCH)),) | |
200 DEBUG_CFLAGS += -gstabs | |
201 endif | |
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202 |
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203 # DEBUG_BINARIES overrides everything, use full -g debug information |
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204 ifeq ($(DEBUG_BINARIES), true) |
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205 DEBUG_CFLAGS = -g |
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206 CFLAGS += $(DEBUG_CFLAGS) |
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207 endif |
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208 |
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209 # If we are building HEADLESS, pass on to VM |
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210 # so it can set the java.awt.headless property |
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211 ifdef HEADLESS |
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212 CFLAGS += -DHEADLESS |
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213 endif |
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214 |
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215 # We are building Embedded for a small device |
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216 # favor code space over speed |
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217 ifdef MINIMIZE_RAM_USAGE |
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218 CFLAGS += -DMINIMIZE_RAM_USAGE |
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219 endif |