Wed, 27 Apr 2016 01:25:04 +0800
Initial load
http://hg.openjdk.java.net/jdk8u/jdk8u/hotspot/
changeset: 6782:28b50d07f6f8
tag: jdk8u25-b17
aoqi@0 | 1 | # |
aoqi@0 | 2 | # Copyright (c) 1999, 2013, Oracle and/or its affiliates. All rights reserved. |
aoqi@0 | 3 | # Copyright (c) 2012, 2013 SAP. All rights reserved. |
aoqi@0 | 4 | # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
aoqi@0 | 5 | # |
aoqi@0 | 6 | # This code is free software; you can redistribute it and/or modify it |
aoqi@0 | 7 | # under the terms of the GNU General Public License version 2 only, as |
aoqi@0 | 8 | # published by the Free Software Foundation. |
aoqi@0 | 9 | # |
aoqi@0 | 10 | # This code is distributed in the hope that it will be useful, but WITHOUT |
aoqi@0 | 11 | # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
aoqi@0 | 12 | # FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
aoqi@0 | 13 | # version 2 for more details (a copy is included in the LICENSE file that |
aoqi@0 | 14 | # accompanied this code). |
aoqi@0 | 15 | # |
aoqi@0 | 16 | # You should have received a copy of the GNU General Public License version |
aoqi@0 | 17 | # 2 along with this work; if not, write to the Free Software Foundation, |
aoqi@0 | 18 | # Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
aoqi@0 | 19 | # |
aoqi@0 | 20 | # Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
aoqi@0 | 21 | # or visit www.oracle.com if you need additional information or have any |
aoqi@0 | 22 | # questions. |
aoqi@0 | 23 | # |
aoqi@0 | 24 | # |
aoqi@0 | 25 | |
aoqi@0 | 26 | #------------------------------------------------------------------------ |
aoqi@0 | 27 | # CC, CXX & AS |
aoqi@0 | 28 | |
aoqi@0 | 29 | # Set compiler explicitly |
aoqi@0 | 30 | CXX = $(COMPILER_PATH)xlC_r |
aoqi@0 | 31 | CC = $(COMPILER_PATH)xlc_r |
aoqi@0 | 32 | HOSTCXX = $(CXX) |
aoqi@0 | 33 | HOSTCC = $(CC) |
aoqi@0 | 34 | |
aoqi@0 | 35 | AS = $(CC) -c |
aoqi@0 | 36 | |
aoqi@0 | 37 | # get xlc version |
aoqi@0 | 38 | CXX_VERSION := $(shell $(CXX) -qversion 2>&1 | sed -n 's/.*Version: \([0-9.]*\)/\1/p') |
aoqi@0 | 39 | |
aoqi@0 | 40 | # xlc 08.00.0000.0023 and higher supports -qtune=balanced |
aoqi@0 | 41 | CXX_SUPPORTS_BALANCED_TUNING=$(shell if [ $(subst .,,$(CXX_VERSION)) -ge 080000000023 ] ; then echo "true" ; fi) |
aoqi@0 | 42 | # xlc 10.01 is used with aggressive optimizations to boost performance |
aoqi@0 | 43 | CXX_IS_V10=$(shell if [ $(subst .,,$(CXX_VERSION)) -ge 100100000000 ] ; then echo "true" ; fi) |
aoqi@0 | 44 | |
aoqi@0 | 45 | # check for precompiled headers support |
aoqi@0 | 46 | |
aoqi@0 | 47 | # Switch off the precompiled header support. Neither xlC 8.0 nor xlC 10.0 |
aoqi@0 | 48 | # support precompiled headers. Both "understand" the command line switches "-qusepcomp" and |
aoqi@0 | 49 | # "-qgenpcomp" but when we specify them the following message is printed: |
aoqi@0 | 50 | # "1506-755 (W) The -qusepcomp option is not supported in this release." |
aoqi@0 | 51 | USE_PRECOMPILED_HEADER = 0 |
aoqi@0 | 52 | ifneq ($(USE_PRECOMPILED_HEADER),0) |
aoqi@0 | 53 | PRECOMPILED_HEADER_DIR=. |
aoqi@0 | 54 | PRECOMPILED_HEADER_SRC=$(GAMMADIR)/src/share/vm/precompiled/precompiled.hpp |
aoqi@0 | 55 | PRECOMPILED_HEADER=$(PRECOMPILED_HEADER_DIR)/precompiled.hpp.gch |
aoqi@0 | 56 | endif |
aoqi@0 | 57 | |
aoqi@0 | 58 | |
aoqi@0 | 59 | #------------------------------------------------------------------------ |
aoqi@0 | 60 | # Compiler flags |
aoqi@0 | 61 | |
aoqi@0 | 62 | # position-independent code |
aoqi@0 | 63 | PICFLAG = -qpic=large |
aoqi@0 | 64 | |
aoqi@0 | 65 | VM_PICFLAG/LIBJVM = $(PICFLAG) |
aoqi@0 | 66 | VM_PICFLAG/AOUT = |
aoqi@0 | 67 | VM_PICFLAG = $(VM_PICFLAG/$(LINK_INTO)) |
aoqi@0 | 68 | |
aoqi@0 | 69 | CFLAGS += $(VM_PICFLAG) |
aoqi@0 | 70 | CFLAGS += -qnortti |
aoqi@0 | 71 | CFLAGS += -qnoeh |
aoqi@0 | 72 | |
aoqi@0 | 73 | CFLAGS += -D_REENTRANT |
aoqi@0 | 74 | # no xlc counterpart for -fcheck-new |
aoqi@0 | 75 | # CFLAGS += -fcheck-new |
aoqi@0 | 76 | |
aoqi@0 | 77 | ARCHFLAG = -q64 |
aoqi@0 | 78 | |
aoqi@0 | 79 | CFLAGS += $(ARCHFLAG) |
aoqi@0 | 80 | AOUT_FLAGS += $(ARCHFLAG) |
aoqi@0 | 81 | LFLAGS += $(ARCHFLAG) |
aoqi@0 | 82 | ASFLAGS += $(ARCHFLAG) |
aoqi@0 | 83 | |
aoqi@0 | 84 | # Use C++ Interpreter |
aoqi@0 | 85 | ifdef CC_INTERP |
aoqi@0 | 86 | CFLAGS += -DCC_INTERP |
aoqi@0 | 87 | endif |
aoqi@0 | 88 | |
aoqi@0 | 89 | # Keep temporary files (.ii, .s) |
aoqi@0 | 90 | # no counterpart on xlc for -save-temps, -pipe |
aoqi@0 | 91 | |
aoqi@0 | 92 | # Compiler warnings are treated as errors |
aoqi@0 | 93 | # Do not treat warnings as errors |
aoqi@0 | 94 | # WARNINGS_ARE_ERRORS = -Werror |
aoqi@0 | 95 | # Except for a few acceptable ones |
aoqi@0 | 96 | # ACCEPTABLE_WARNINGS = -Wpointer-arith -Wconversion -Wsign-compare |
aoqi@0 | 97 | # CFLAGS_WARN/DEFAULT = $(WARNINGS_ARE_ERRORS) $(ACCEPTABLE_WARNINGS) |
aoqi@0 | 98 | CFLAGS_WARN/COMMON = |
aoqi@0 | 99 | CFLAGS_WARN/DEFAULT = $(CFLAGS_WARN/COMMON) $(EXTRA_WARNINGS) |
aoqi@0 | 100 | # Special cases |
aoqi@0 | 101 | CFLAGS_WARN/BYFILE = $(CFLAGS_WARN/$@)$(CFLAGS_WARN/DEFAULT$(CFLAGS_WARN/$@)) |
aoqi@0 | 102 | |
aoqi@0 | 103 | # The flags to use for an optimized build |
aoqi@0 | 104 | OPT_CFLAGS += -O3 |
aoqi@0 | 105 | |
aoqi@0 | 106 | # Hotspot uses very unstrict aliasing turn this optimization off |
aoqi@0 | 107 | OPT_CFLAGS += -qalias=noansi |
aoqi@0 | 108 | |
aoqi@0 | 109 | OPT_CFLAGS/NOOPT=-qnoopt |
aoqi@0 | 110 | |
aoqi@0 | 111 | DEPFLAGS = -qmakedep=gcc -MF $(DEP_DIR)/$(@:%=%.d) |
aoqi@0 | 112 | |
aoqi@0 | 113 | #------------------------------------------------------------------------ |
aoqi@0 | 114 | # Linker flags |
aoqi@0 | 115 | |
aoqi@0 | 116 | # statically link libstdc++.so, work with gcc but ignored by g++ |
aoqi@0 | 117 | STATIC_STDCXX = -Wl,-lC_r |
aoqi@0 | 118 | |
aoqi@0 | 119 | # Enable linker optimization |
aoqi@0 | 120 | # no counterpart on xlc for this |
aoqi@0 | 121 | # LFLAGS += -Xlinker -O1 |
aoqi@0 | 122 | |
aoqi@0 | 123 | # Use $(MAPFLAG:FILENAME=real_file_name) to specify a map file. |
aoqi@0 | 124 | # MAPFLAG = -Xlinker --version-script=FILENAME |
aoqi@0 | 125 | |
aoqi@0 | 126 | # Build shared library |
aoqi@0 | 127 | SHARED_FLAG = -q64 -b64 -bexpall -G -bnoentry -qmkshrobj -brtl -bnolibpath |
aoqi@0 | 128 | |
aoqi@0 | 129 | #------------------------------------------------------------------------ |
aoqi@0 | 130 | # Debug flags |
aoqi@0 | 131 | |
aoqi@0 | 132 | # Always compile with '-g' to get symbols in the stacktraces in the hs_err file |
aoqi@0 | 133 | DEBUG_CFLAGS += -g |
aoqi@0 | 134 | FASTDEBUG_CFLAGS += -g |
aoqi@0 | 135 | OPT_CFLAGS += -g |
aoqi@0 | 136 | |
aoqi@0 | 137 | # DEBUG_BINARIES overrides everything, use full -g debug information |
aoqi@0 | 138 | ifeq ($(DEBUG_BINARIES), true) |
aoqi@0 | 139 | DEBUG_CFLAGS = -g |
aoqi@0 | 140 | CFLAGS += $(DEBUG_CFLAGS) |
aoqi@0 | 141 | endif |
aoqi@0 | 142 | |
aoqi@0 | 143 | # If we are building HEADLESS, pass on to VM |
aoqi@0 | 144 | # so it can set the java.awt.headless property |
aoqi@0 | 145 | ifdef HEADLESS |
aoqi@0 | 146 | CFLAGS += -DHEADLESS |
aoqi@0 | 147 | endif |
aoqi@0 | 148 | |
aoqi@0 | 149 | # We are building Embedded for a small device |
aoqi@0 | 150 | # favor code space over speed |
aoqi@0 | 151 | ifdef MINIMIZE_RAM_USAGE |
aoqi@0 | 152 | CFLAGS += -DMINIMIZE_RAM_USAGE |
aoqi@0 | 153 | endif |
aoqi@0 | 154 | |
aoqi@0 | 155 | ifdef CROSS_COMPILE_ARCH |
aoqi@0 | 156 | STRIP = $(ALT_COMPILER_PATH)/strip |
aoqi@0 | 157 | else |
aoqi@0 | 158 | STRIP = strip |
aoqi@0 | 159 | endif |