Mercurial > hg > truffle
annotate make/linux/makefiles/gcc.make @ 1625:3e351982aac7
Merge
author | zgu |
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date | Tue, 22 Jun 2010 10:03:12 -0400 |
parents | c18cbe5936b8 |
children | 126ea7725993 |
rev | line source |
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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 |