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comparison make/linux/makefiles/gcc.make @ 91:a294fd0c4b38

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6583644: Move all managed/SCCS files out of 'build' into 'make' directory Summary: Moved makefiles out of build and build/closed into make/ Reviewed-by: kvn, ohair
author kamg
date Wed, 09 Apr 2008 14:22:48 -0400
parents build/linux/makefiles/gcc.make@a61af66fc99e
children d1605aabd0a1 6470a2a42f92
comparison
equal deleted inserted replaced
90:cf4e16e9ca60 91:a294fd0c4b38
1 #
2 # Copyright 1999-2007 Sun Microsystems, Inc. All Rights Reserved.
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 #
19 # Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
20 # CA 95054 USA or visit www.sun.com if you need additional information or
21 # have any questions.
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 = $(PICFLAG)
52 VM_PICFLAG/AOUT =
53
54 ifneq ($(BUILDARCH), i486)
55 VM_PICFLAG = $(VM_PICFLAG/$(LINK_INTO))
56 else
57 # PIC has significant overhead on x86, build nonpic VM for now.
58 # Link JVM at a "good" base location to avoid unnecessary .text patching.
59 JVM_BASE_ADDR = 0x06000000
60 endif
61
62 CFLAGS += $(VM_PICFLAG)
63 CFLAGS += -fno-rtti
64 CFLAGS += -fno-exceptions
65 CFLAGS += -D_REENTRANT
66 CFLAGS += -fcheck-new
67
68 ARCHFLAG = $(ARCHFLAG/$(BUILDARCH))
69 ARCHFLAG/i486 = -m32 -march=i586
70 ARCHFLAG/amd64 = -m64
71 ARCHFLAG/ia64 =
72 ARCHFLAG/sparc = -m32 -mcpu=v9
73 ARCHFLAG/sparcv9 = -m64 -mcpu=v9
74
75 CFLAGS += $(ARCHFLAG)
76 AOUT_FLAGS += $(ARCHFLAG)
77 LFLAGS += $(ARCHFLAG)
78 ASFLAGS += $(ARCHFLAG)
79
80 # Use C++ Interpreter
81 ifdef CC_INTERP
82 CFLAGS += -DCC_INTERP
83 endif
84
85 # Keep temporary files (.ii, .s)
86 ifdef NEED_ASM
87 CFLAGS += -save-temps
88 else
89 CFLAGS += -pipe
90 endif
91
92 # Compiler warnings are treated as errors
93 WARNINGS_ARE_ERRORS = -Werror
94 # Except for a few acceptable ones
95 ACCEPTABLE_WARNINGS = -Wpointer-arith -Wconversion -Wsign-compare
96 CFLAGS_WARN/DEFAULT = $(WARNINGS_ARE_ERRORS) $(ACCEPTABLE_WARNINGS)
97 # Special cases
98 CFLAGS_WARN/BYFILE = $(CFLAGS_WARN/$@)$(CFLAGS_WARN/DEFAULT$(CFLAGS_WARN/$@))
99
100 # The flags to use for an Optimized g++ build
101 OPT_CFLAGS += -O3
102
103 # Hotspot uses very unstrict aliasing turn this optimization off
104 OPT_CFLAGS += -fno-strict-aliasing
105
106 # The gcc compiler segv's on ia64 when compiling bytecodeInterpreter.cpp
107 # if we use expensive-optimizations
108 ifeq ($(BUILDARCH), ia64)
109 OPT_CFLAGS += -fno-expensive-optimizations
110 endif
111
112 OPT_CFLAGS/NOOPT=-O0
113
114 #------------------------------------------------------------------------
115 # Linker flags
116
117 # statically link libstdc++.so, work with gcc but ignored by g++
118 STATIC_STDCXX = -Wl,-Bstatic -lstdc++ -Wl,-Bdynamic
119
120 # statically link libgcc and/or libgcc_s, libgcc does not exist before gcc-3.x.
121 ifneq ("${CC_VER_MAJOR}", "2")
122 STATIC_LIBGCC += -static-libgcc
123 endif
124
125 ifeq ($(BUILDARCH), ia64)
126 LFLAGS += -Wl,-relax
127 endif
128
129 # Enable linker optimization
130 LFLAGS += -Xlinker -O1
131
132 # Use $(MAPFLAG:FILENAME=real_file_name) to specify a map file.
133 MAPFLAG = -Xlinker --version-script=FILENAME
134
135 # Use $(SONAMEFLAG:SONAME=soname) to specify the intrinsic name of a shared obj
136 SONAMEFLAG = -Xlinker -soname=SONAME
137
138 # Build shared library
139 SHARED_FLAG = -shared
140
141 # Keep symbols even they are not used
142 AOUT_FLAGS += -export-dynamic
143
144 #------------------------------------------------------------------------
145 # Debug flags
146
147 # Use the stabs format for debugging information (this is the default
148 # on gcc-2.91). It's good enough, has all the information about line
149 # numbers and local variables, and libjvm_g.so is only about 16M.
150 # Change this back to "-g" if you want the most expressive format.
151 # (warning: that could easily inflate libjvm_g.so to 150M!)
152 # Note: The Itanium gcc compiler crashes when using -gstabs.
153 DEBUG_CFLAGS/ia64 = -g
154 DEBUG_CFLAGS/amd64 = -g
155 DEBUG_CFLAGS += $(DEBUG_CFLAGS/$(BUILDARCH))
156 ifeq ($(DEBUG_CFLAGS/$(BUILDARCH)),)
157 DEBUG_CFLAGS += -gstabs
158 endif