Mercurial > hg > truffle
annotate make/linux/makefiles/gcc.make @ 576:69c752d99841
6799141: Build with --hash-style=both so that binaries can work on SuSE 10
Reviewed-by: tbell
| author | ohair |
|---|---|
| date | Sat, 31 Jan 2009 17:19:42 -0800 |
| parents | 9c2ecc2ffb12 |
| children | 0fbdb4381b99 |
| rev | line source |
|---|---|
| 0 | 1 # |
| 196 | 2 # Copyright 1999-2008 Sun Microsystems, Inc. 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 # | |
| 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 VM_PICFLAG = $(VM_PICFLAG/$(LINK_INTO)) | |
| 54 | |
| 55 CFLAGS += $(VM_PICFLAG) | |
| 56 CFLAGS += -fno-rtti | |
| 57 CFLAGS += -fno-exceptions | |
| 58 CFLAGS += -D_REENTRANT | |
| 59 CFLAGS += -fcheck-new | |
| 60 | |
| 61 ARCHFLAG = $(ARCHFLAG/$(BUILDARCH)) | |
| 62 ARCHFLAG/i486 = -m32 -march=i586 | |
| 63 ARCHFLAG/amd64 = -m64 | |
| 64 ARCHFLAG/ia64 = | |
| 65 ARCHFLAG/sparc = -m32 -mcpu=v9 | |
| 66 ARCHFLAG/sparcv9 = -m64 -mcpu=v9 | |
| 67 | |
| 68 CFLAGS += $(ARCHFLAG) | |
| 69 AOUT_FLAGS += $(ARCHFLAG) | |
| 70 LFLAGS += $(ARCHFLAG) | |
| 71 ASFLAGS += $(ARCHFLAG) | |
| 72 | |
| 73 # Use C++ Interpreter | |
| 74 ifdef CC_INTERP | |
| 75 CFLAGS += -DCC_INTERP | |
| 76 endif | |
| 77 | |
| 78 # Keep temporary files (.ii, .s) | |
| 79 ifdef NEED_ASM | |
| 80 CFLAGS += -save-temps | |
| 81 else | |
| 82 CFLAGS += -pipe | |
| 83 endif | |
| 84 | |
| 85 # Compiler warnings are treated as errors | |
| 86 WARNINGS_ARE_ERRORS = -Werror | |
| 229 | 87 |
| 0 | 88 # Except for a few acceptable ones |
| 229 | 89 # Since GCC 4.3, -Wconversion has changed its meanings to warn these implicit |
| 90 # conversions which might affect the values. To avoid that, we need to turn | |
| 91 # it off explicitly. | |
| 92 ifneq "$(shell expr \( $(CC_VER_MAJOR) \> 4 \) \| \( \( $(CC_VER_MAJOR) = 4 \) \& \( $(CC_VER_MINOR) \>= 3 \) \))" "0" | |
| 93 ACCEPTABLE_WARNINGS = -Wpointer-arith -Wsign-compare | |
| 94 else | |
| 0 | 95 ACCEPTABLE_WARNINGS = -Wpointer-arith -Wconversion -Wsign-compare |
| 229 | 96 endif |
| 97 | |
| 0 | 98 CFLAGS_WARN/DEFAULT = $(WARNINGS_ARE_ERRORS) $(ACCEPTABLE_WARNINGS) |
| 99 # Special cases | |
| 100 CFLAGS_WARN/BYFILE = $(CFLAGS_WARN/$@)$(CFLAGS_WARN/DEFAULT$(CFLAGS_WARN/$@)) | |
| 101 | |
| 102 # The flags to use for an Optimized g++ build | |
| 103 OPT_CFLAGS += -O3 | |
| 104 | |
| 105 # Hotspot uses very unstrict aliasing turn this optimization off | |
| 106 OPT_CFLAGS += -fno-strict-aliasing | |
| 107 | |
| 108 # The gcc compiler segv's on ia64 when compiling bytecodeInterpreter.cpp | |
| 109 # if we use expensive-optimizations | |
| 110 ifeq ($(BUILDARCH), ia64) | |
| 111 OPT_CFLAGS += -fno-expensive-optimizations | |
| 112 endif | |
| 113 | |
| 114 OPT_CFLAGS/NOOPT=-O0 | |
| 115 | |
| 116 #------------------------------------------------------------------------ | |
| 117 # Linker flags | |
| 118 | |
| 119 # statically link libstdc++.so, work with gcc but ignored by g++ | |
| 120 STATIC_STDCXX = -Wl,-Bstatic -lstdc++ -Wl,-Bdynamic | |
| 121 | |
| 122 # statically link libgcc and/or libgcc_s, libgcc does not exist before gcc-3.x. | |
| 123 ifneq ("${CC_VER_MAJOR}", "2") | |
| 124 STATIC_LIBGCC += -static-libgcc | |
| 125 endif | |
| 126 | |
| 127 ifeq ($(BUILDARCH), ia64) | |
| 128 LFLAGS += -Wl,-relax | |
| 129 endif | |
| 130 | |
| 131 # Enable linker optimization | |
| 132 LFLAGS += -Xlinker -O1 | |
| 133 | |
|
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69c752d99841
6799141: Build with --hash-style=both so that binaries can work on SuSE 10
ohair
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134 # If this is a --hash-style=gnu system, use --hash-style=both |
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135 # The gnu .hash section won't work on some Linux systems like SuSE 10. |
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136 _HAS_HASH_STYLE_GNU:=$(shell $(CC) -dumpspecs | grep -- '--hash-style=gnu') |
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137 ifneq ($(_HAS_HASH_STYLE_GNU),) |
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138 LDFLAGS_HASH_STYLE = -Wl,--hash-style=both |
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139 endif |
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140 LFLAGS += $(LDFLAGS_HASH_STYLE) |
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141 |
| 0 | 142 # Use $(MAPFLAG:FILENAME=real_file_name) to specify a map file. |
| 143 MAPFLAG = -Xlinker --version-script=FILENAME | |
| 144 | |
| 145 # Use $(SONAMEFLAG:SONAME=soname) to specify the intrinsic name of a shared obj | |
| 146 SONAMEFLAG = -Xlinker -soname=SONAME | |
| 147 | |
| 148 # Build shared library | |
| 149 SHARED_FLAG = -shared | |
| 150 | |
| 151 # Keep symbols even they are not used | |
| 152 AOUT_FLAGS += -export-dynamic | |
| 153 | |
| 154 #------------------------------------------------------------------------ | |
| 155 # Debug flags | |
| 156 | |
| 157 # Use the stabs format for debugging information (this is the default | |
| 158 # on gcc-2.91). It's good enough, has all the information about line | |
| 159 # numbers and local variables, and libjvm_g.so is only about 16M. | |
| 160 # Change this back to "-g" if you want the most expressive format. | |
| 161 # (warning: that could easily inflate libjvm_g.so to 150M!) | |
| 162 # Note: The Itanium gcc compiler crashes when using -gstabs. | |
| 163 DEBUG_CFLAGS/ia64 = -g | |
| 164 DEBUG_CFLAGS/amd64 = -g | |
| 165 DEBUG_CFLAGS += $(DEBUG_CFLAGS/$(BUILDARCH)) | |
| 166 ifeq ($(DEBUG_CFLAGS/$(BUILDARCH)),) | |
| 167 DEBUG_CFLAGS += -gstabs | |
| 168 endif |