jdk8-mips64-public/hotspot: make/aix/makefiles/xlc.make@a7a22f7d9396

1 #

     2 # Copyright (c) 1999, 2013, Oracle and/or its affiliates. All rights reserved.

     3 # Copyright (c) 2012, 2013 SAP. All rights reserved.

     4 # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

5 #

     6 # This code is free software; you can redistribute it and/or modify it

     7 # under the terms of the GNU General Public License version 2 only, as

     8 # published by the Free Software Foundation.

9 #

    10 # This code is distributed in the hope that it will be useful, but WITHOUT

    11 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    12 # FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    13 # version 2 for more details (a copy is included in the LICENSE file that

    14 # accompanied this code).

    15 #

    16 # You should have received a copy of the GNU General Public License version

    17 # 2 along with this work; if not, write to the Free Software Foundation,

    18 # Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    19 #

    20 # Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    21 # or visit www.oracle.com if you need additional information or have any

    22 # questions.

    23 #

    24 #

    26 #------------------------------------------------------------------------

    27 # CC, CXX & AS

    29 # Set compiler explicitly

    30 CXX = $(COMPILER_PATH)xlC_r

    31 CC  = $(COMPILER_PATH)xlc_r

    32 HOSTCXX = $(CXX)

    33 HOSTCC  = $(CC)

    35 AS  = $(CC) -c

    37 # get xlc version

    38 CXX_VERSION   := $(shell $(CXX) -qversion 2>&1 | sed -n 's/.*Version: \([0-9.]*\)/\1/p')

    40 # xlc 08.00.0000.0023 and higher supports -qtune=balanced

    41 CXX_SUPPORTS_BALANCED_TUNING=$(shell if [ $(subst .,,$(CXX_VERSION)) -ge 080000000023 ] ; then echo "true" ; fi)

    42 # xlc 10.01 is used with aggressive optimizations to boost performance

    43 CXX_IS_V10=$(shell if [ $(subst .,,$(CXX_VERSION)) -ge 100100000000 ] ; then echo "true" ; fi)

    45 # check for precompiled headers support

    47 # Switch off the precompiled header support. Neither xlC 8.0 nor xlC 10.0

    48 # support precompiled headers. Both "understand" the command line switches "-qusepcomp" and

    49 # "-qgenpcomp" but when we specify them the following message is printed:

    50 # "1506-755 (W) The -qusepcomp option is not supported in this release."

    51 USE_PRECOMPILED_HEADER = 0

    52 ifneq ($(USE_PRECOMPILED_HEADER),0)

    53 PRECOMPILED_HEADER_DIR=.

    54 PRECOMPILED_HEADER_SRC=$(GAMMADIR)/src/share/vm/precompiled/precompiled.hpp

    55 PRECOMPILED_HEADER=$(PRECOMPILED_HEADER_DIR)/precompiled.hpp.gch

    56 endif

    59 #------------------------------------------------------------------------

    60 # Compiler flags

    62 # position-independent code

    63 PICFLAG = -qpic=large

    65 VM_PICFLAG/LIBJVM = $(PICFLAG)

    66 VM_PICFLAG/AOUT   =

    67 VM_PICFLAG        = $(VM_PICFLAG/$(LINK_INTO))

    69 CFLAGS += $(VM_PICFLAG)

    70 CFLAGS += -qnortti

    71 CFLAGS += -qnoeh

    73 CFLAGS += -D_REENTRANT

    74 # no xlc counterpart for -fcheck-new

    75 # CFLAGS += -fcheck-new

    77 ARCHFLAG = -q64

    79 CFLAGS     += $(ARCHFLAG)

    80 AOUT_FLAGS += $(ARCHFLAG)

    81 LFLAGS     += $(ARCHFLAG)

    82 ASFLAGS    += $(ARCHFLAG)

    84 # Use C++ Interpreter

    85 ifdef CC_INTERP

    86   CFLAGS += -DCC_INTERP

    87 endif

    89 # Keep temporary files (.ii, .s)

    90 # no counterpart on xlc for -save-temps, -pipe

    92 # Compiler warnings are treated as errors

    93 # Do not treat warnings as errors

    94 # WARNINGS_ARE_ERRORS = -Werror

    95 # Except for a few acceptable ones

    96 # ACCEPTABLE_WARNINGS = -Wpointer-arith -Wconversion -Wsign-compare

    97 # CFLAGS_WARN/DEFAULT = $(WARNINGS_ARE_ERRORS) $(ACCEPTABLE_WARNINGS)

    98 CFLAGS_WARN/COMMON =

    99 CFLAGS_WARN/DEFAULT = $(CFLAGS_WARN/COMMON) $(EXTRA_WARNINGS)

   100 # Special cases

   101 CFLAGS_WARN/BYFILE = $(CFLAGS_WARN/$@)$(CFLAGS_WARN/DEFAULT$(CFLAGS_WARN/$@))

   103 # The flags to use for an optimized build

   104 OPT_CFLAGS += -O3

   106 # Hotspot uses very unstrict aliasing turn this optimization off

   107 OPT_CFLAGS += -qalias=noansi

   109 OPT_CFLAGS/NOOPT=-qnoopt

   111 DEPFLAGS = -qmakedep=gcc -MF $(DEP_DIR)/$(@:%=%.d)

   113 #------------------------------------------------------------------------

   114 # Linker flags

   116 # statically link libstdc++.so, work with gcc but ignored by g++

   117 STATIC_STDCXX = -Wl,-lC_r

   119 # Enable linker optimization

   120 # no counterpart on xlc for this

   121 # LFLAGS += -Xlinker -O1

   123 # Use $(MAPFLAG:FILENAME=real_file_name) to specify a map file.

   124 # MAPFLAG = -Xlinker --version-script=FILENAME

   126 # Build shared library

   127 SHARED_FLAG = -q64 -b64 -bexpall -G -bnoentry -qmkshrobj -brtl -bnolibpath

   129 #------------------------------------------------------------------------

   130 # Debug flags

   132 # Always compile with '-g' to get symbols in the stacktraces in the hs_err file

   133 DEBUG_CFLAGS += -g

   134 FASTDEBUG_CFLAGS += -g

   135 OPT_CFLAGS += -g

   137 # DEBUG_BINARIES overrides everything, use full -g debug information

   138 ifeq ($(DEBUG_BINARIES), true)

   139   DEBUG_CFLAGS = -g

   140   CFLAGS += $(DEBUG_CFLAGS)

   141 endif

   143 # If we are building HEADLESS, pass on to VM

   144 # so it can set the java.awt.headless property

   145 ifdef HEADLESS

   146 CFLAGS += -DHEADLESS

   147 endif

   149 # We are building Embedded for a small device

   150 # favor code space over speed

   151 ifdef MINIMIZE_RAM_USAGE

   152 CFLAGS += -DMINIMIZE_RAM_USAGE

   153 endif

   155 ifdef CROSS_COMPILE_ARCH

   156   STRIP = $(ALT_COMPILER_PATH)/strip

   157 else

   158   STRIP = strip

   159 endif

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