Thu, 23 Oct 2008 10:13:01 -0700
Added tag jdk7-b38 for changeset d9bc824aa078
duke@435 | 1 | # |
xdono@631 | 2 | # Copyright 1999-2008 Sun Microsystems, Inc. All Rights Reserved. |
duke@435 | 3 | # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
duke@435 | 4 | # |
duke@435 | 5 | # This code is free software; you can redistribute it and/or modify it |
duke@435 | 6 | # under the terms of the GNU General Public License version 2 only, as |
duke@435 | 7 | # published by the Free Software Foundation. |
duke@435 | 8 | # |
duke@435 | 9 | # This code is distributed in the hope that it will be useful, but WITHOUT |
duke@435 | 10 | # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
duke@435 | 11 | # FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
duke@435 | 12 | # version 2 for more details (a copy is included in the LICENSE file that |
duke@435 | 13 | # accompanied this code). |
duke@435 | 14 | # |
duke@435 | 15 | # You should have received a copy of the GNU General Public License version |
duke@435 | 16 | # 2 along with this work; if not, write to the Free Software Foundation, |
duke@435 | 17 | # Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
duke@435 | 18 | # |
duke@435 | 19 | # Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
duke@435 | 20 | # CA 95054 USA or visit www.sun.com if you need additional information or |
duke@435 | 21 | # have any questions. |
duke@435 | 22 | # |
duke@435 | 23 | # |
duke@435 | 24 | |
duke@435 | 25 | #------------------------------------------------------------------------ |
duke@435 | 26 | # CC, CPP & AS |
duke@435 | 27 | |
duke@435 | 28 | CPP = g++ |
duke@435 | 29 | CC = gcc |
duke@435 | 30 | AS = $(CC) -c |
duke@435 | 31 | |
duke@435 | 32 | # -dumpversion in gcc-2.91 shows "egcs-2.91.66". In later version, it only |
duke@435 | 33 | # prints the numbers (e.g. "2.95", "3.2.1") |
duke@435 | 34 | CC_VER_MAJOR := $(shell $(CC) -dumpversion | sed 's/egcs-//' | cut -d'.' -f1) |
duke@435 | 35 | CC_VER_MINOR := $(shell $(CC) -dumpversion | sed 's/egcs-//' | cut -d'.' -f2) |
duke@435 | 36 | |
duke@435 | 37 | # check for precompiled headers support |
duke@435 | 38 | ifneq "$(shell expr \( $(CC_VER_MAJOR) \> 3 \) \| \( \( $(CC_VER_MAJOR) = 3 \) \& \( $(CC_VER_MINOR) \>= 4 \) \))" "0" |
duke@435 | 39 | USE_PRECOMPILED_HEADER=1 |
duke@435 | 40 | PRECOMPILED_HEADER_DIR=. |
duke@435 | 41 | PRECOMPILED_HEADER=$(PRECOMPILED_HEADER_DIR)/incls/_precompiled.incl.gch |
duke@435 | 42 | endif |
duke@435 | 43 | |
duke@435 | 44 | |
duke@435 | 45 | #------------------------------------------------------------------------ |
duke@435 | 46 | # Compiler flags |
duke@435 | 47 | |
duke@435 | 48 | # position-independent code |
duke@435 | 49 | PICFLAG = -fPIC |
duke@435 | 50 | |
duke@435 | 51 | VM_PICFLAG/LIBJVM = $(PICFLAG) |
duke@435 | 52 | VM_PICFLAG/AOUT = |
duke@435 | 53 | VM_PICFLAG = $(VM_PICFLAG/$(LINK_INTO)) |
duke@435 | 54 | |
duke@435 | 55 | CFLAGS += $(VM_PICFLAG) |
duke@435 | 56 | CFLAGS += -fno-rtti |
duke@435 | 57 | CFLAGS += -fno-exceptions |
duke@435 | 58 | CFLAGS += -D_REENTRANT |
duke@435 | 59 | CFLAGS += -fcheck-new |
duke@435 | 60 | |
duke@435 | 61 | ARCHFLAG = $(ARCHFLAG/$(BUILDARCH)) |
duke@435 | 62 | ARCHFLAG/i486 = -m32 -march=i586 |
duke@435 | 63 | ARCHFLAG/amd64 = -m64 |
duke@435 | 64 | ARCHFLAG/ia64 = |
duke@435 | 65 | ARCHFLAG/sparc = -m32 -mcpu=v9 |
duke@435 | 66 | ARCHFLAG/sparcv9 = -m64 -mcpu=v9 |
duke@435 | 67 | |
duke@435 | 68 | CFLAGS += $(ARCHFLAG) |
duke@435 | 69 | AOUT_FLAGS += $(ARCHFLAG) |
duke@435 | 70 | LFLAGS += $(ARCHFLAG) |
duke@435 | 71 | ASFLAGS += $(ARCHFLAG) |
duke@435 | 72 | |
duke@435 | 73 | # Use C++ Interpreter |
duke@435 | 74 | ifdef CC_INTERP |
duke@435 | 75 | CFLAGS += -DCC_INTERP |
duke@435 | 76 | endif |
duke@435 | 77 | |
duke@435 | 78 | # Keep temporary files (.ii, .s) |
duke@435 | 79 | ifdef NEED_ASM |
duke@435 | 80 | CFLAGS += -save-temps |
duke@435 | 81 | else |
duke@435 | 82 | CFLAGS += -pipe |
duke@435 | 83 | endif |
duke@435 | 84 | |
duke@435 | 85 | # Compiler warnings are treated as errors |
duke@435 | 86 | WARNINGS_ARE_ERRORS = -Werror |
xlu@664 | 87 | |
duke@435 | 88 | # Except for a few acceptable ones |
xlu@664 | 89 | # Since GCC 4.3, -Wconversion has changed its meanings to warn these implicit |
xlu@664 | 90 | # conversions which might affect the values. To avoid that, we need to turn |
xlu@664 | 91 | # it off explicitly. |
xlu@664 | 92 | ifneq "$(shell expr \( $(CC_VER_MAJOR) \> 4 \) \| \( \( $(CC_VER_MAJOR) = 4 \) \& \( $(CC_VER_MINOR) \>= 3 \) \))" "0" |
xlu@664 | 93 | ACCEPTABLE_WARNINGS = -Wpointer-arith -Wsign-compare |
xlu@664 | 94 | else |
duke@435 | 95 | ACCEPTABLE_WARNINGS = -Wpointer-arith -Wconversion -Wsign-compare |
xlu@664 | 96 | endif |
xlu@664 | 97 | |
duke@435 | 98 | CFLAGS_WARN/DEFAULT = $(WARNINGS_ARE_ERRORS) $(ACCEPTABLE_WARNINGS) |
duke@435 | 99 | # Special cases |
duke@435 | 100 | CFLAGS_WARN/BYFILE = $(CFLAGS_WARN/$@)$(CFLAGS_WARN/DEFAULT$(CFLAGS_WARN/$@)) |
duke@435 | 101 | |
duke@435 | 102 | # The flags to use for an Optimized g++ build |
duke@435 | 103 | OPT_CFLAGS += -O3 |
duke@435 | 104 | |
duke@435 | 105 | # Hotspot uses very unstrict aliasing turn this optimization off |
duke@435 | 106 | OPT_CFLAGS += -fno-strict-aliasing |
duke@435 | 107 | |
duke@435 | 108 | # The gcc compiler segv's on ia64 when compiling bytecodeInterpreter.cpp |
duke@435 | 109 | # if we use expensive-optimizations |
duke@435 | 110 | ifeq ($(BUILDARCH), ia64) |
duke@435 | 111 | OPT_CFLAGS += -fno-expensive-optimizations |
duke@435 | 112 | endif |
duke@435 | 113 | |
duke@435 | 114 | OPT_CFLAGS/NOOPT=-O0 |
duke@435 | 115 | |
duke@435 | 116 | #------------------------------------------------------------------------ |
duke@435 | 117 | # Linker flags |
duke@435 | 118 | |
duke@435 | 119 | # statically link libstdc++.so, work with gcc but ignored by g++ |
duke@435 | 120 | STATIC_STDCXX = -Wl,-Bstatic -lstdc++ -Wl,-Bdynamic |
duke@435 | 121 | |
duke@435 | 122 | # statically link libgcc and/or libgcc_s, libgcc does not exist before gcc-3.x. |
duke@435 | 123 | ifneq ("${CC_VER_MAJOR}", "2") |
duke@435 | 124 | STATIC_LIBGCC += -static-libgcc |
duke@435 | 125 | endif |
duke@435 | 126 | |
duke@435 | 127 | ifeq ($(BUILDARCH), ia64) |
duke@435 | 128 | LFLAGS += -Wl,-relax |
duke@435 | 129 | endif |
duke@435 | 130 | |
duke@435 | 131 | # Enable linker optimization |
duke@435 | 132 | LFLAGS += -Xlinker -O1 |
duke@435 | 133 | |
duke@435 | 134 | # Use $(MAPFLAG:FILENAME=real_file_name) to specify a map file. |
duke@435 | 135 | MAPFLAG = -Xlinker --version-script=FILENAME |
duke@435 | 136 | |
duke@435 | 137 | # Use $(SONAMEFLAG:SONAME=soname) to specify the intrinsic name of a shared obj |
duke@435 | 138 | SONAMEFLAG = -Xlinker -soname=SONAME |
duke@435 | 139 | |
duke@435 | 140 | # Build shared library |
duke@435 | 141 | SHARED_FLAG = -shared |
duke@435 | 142 | |
duke@435 | 143 | # Keep symbols even they are not used |
duke@435 | 144 | AOUT_FLAGS += -export-dynamic |
duke@435 | 145 | |
duke@435 | 146 | #------------------------------------------------------------------------ |
duke@435 | 147 | # Debug flags |
duke@435 | 148 | |
duke@435 | 149 | # Use the stabs format for debugging information (this is the default |
duke@435 | 150 | # on gcc-2.91). It's good enough, has all the information about line |
duke@435 | 151 | # numbers and local variables, and libjvm_g.so is only about 16M. |
duke@435 | 152 | # Change this back to "-g" if you want the most expressive format. |
duke@435 | 153 | # (warning: that could easily inflate libjvm_g.so to 150M!) |
duke@435 | 154 | # Note: The Itanium gcc compiler crashes when using -gstabs. |
duke@435 | 155 | DEBUG_CFLAGS/ia64 = -g |
duke@435 | 156 | DEBUG_CFLAGS/amd64 = -g |
duke@435 | 157 | DEBUG_CFLAGS += $(DEBUG_CFLAGS/$(BUILDARCH)) |
duke@435 | 158 | ifeq ($(DEBUG_CFLAGS/$(BUILDARCH)),) |
duke@435 | 159 | DEBUG_CFLAGS += -gstabs |
duke@435 | 160 | endif |