173 lines
5.5 KiB
Makefile
173 lines
5.5 KiB
Makefile
#
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# Copyright (c) 1999, 2015, Oracle and/or its affiliates. All rights reserved.
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# Copyright (c) 2012, 2015 SAP SE. All rights reserved.
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# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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#
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# This code is free software; you can redistribute it and/or modify it
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# under the terms of the GNU General Public License version 2 only, as
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# published by the Free Software Foundation.
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#
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# This code is distributed in the hope that it will be useful, but WITHOUT
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# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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# version 2 for more details (a copy is included in the LICENSE file that
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# accompanied this code).
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#
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# You should have received a copy of the GNU General Public License version
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# 2 along with this work; if not, write to the Free Software Foundation,
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# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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#
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# Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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# or visit www.oracle.com if you need additional information or have any
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# questions.
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#
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#
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#------------------------------------------------------------------------
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# CC, CXX & AS
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# Set compiler explicitly
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CXX = $(COMPILER_PATH)xlC_r
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CC = $(COMPILER_PATH)xlc_r
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HOSTCXX = $(CXX)
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HOSTCC = $(CC)
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AS = $(CC) -c
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# get xlc version which comes as VV.RR.MMMM.LLLL where 'VV' is the version,
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# 'RR' is the release, 'MMMM' is the modification and 'LLLL' is the level.
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# We only use 'VV.RR.LLLL' to avoid integer overflows in bash when comparing
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# the version numbers (some shells only support 32-bit integer compares!).
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CXX_VERSION := $(shell $(CXX) -qversion 2>&1 | \
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sed -n 's/.*Version: \([0-9]\{2\}\).\([0-9]\{2\}\).[0-9]\{4\}.\([0-9]\{4\}\)/\1\2\3/p')
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# xlc 08.00.0000.0023 and higher supports -qtune=balanced
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CXX_SUPPORTS_BALANCED_TUNING := $(shell if [ $(CXX_VERSION) -ge 08000023 ] ; then echo "true" ; fi)
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# xlc 10.01 is used with aggressive optimizations to boost performance
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CXX_IS_V10 := $(shell if [ $(CXX_VERSION) -ge 10010000 ] ; then echo "true" ; fi)
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# check for precompiled headers support
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# Switch off the precompiled header support. Neither xlC 8.0 nor xlC 10.0
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# support precompiled headers. Both "understand" the command line switches "-qusepcomp" and
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# "-qgenpcomp" but when we specify them the following message is printed:
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# "1506-755 (W) The -qusepcomp option is not supported in this release."
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USE_PRECOMPILED_HEADER = 0
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ifneq ($(USE_PRECOMPILED_HEADER),0)
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PRECOMPILED_HEADER_DIR=.
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PRECOMPILED_HEADER_SRC=$(GAMMADIR)/src/share/vm/precompiled/precompiled.hpp
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PRECOMPILED_HEADER=$(PRECOMPILED_HEADER_DIR)/precompiled.hpp.gch
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endif
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#------------------------------------------------------------------------
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# Compiler flags
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# position-independent code
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PICFLAG = -qpic=large
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VM_PICFLAG/LIBJVM = $(PICFLAG)
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VM_PICFLAG/AOUT =
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VM_PICFLAG = $(VM_PICFLAG/$(LINK_INTO))
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CFLAGS += $(VM_PICFLAG)
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CFLAGS += -qnortti
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CFLAGS += -qnoeh
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# for compiler-level tls
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CFLAGS += -qtls=default
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CFLAGS += -D_REENTRANT
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# no xlc counterpart for -fcheck-new
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# CFLAGS += -fcheck-new
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# We need to define this on the command line if we want to use the the
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# predefined format specifiers from "inttypes.h". Otherwise system headrs
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# can indirectly include inttypes.h before we define __STDC_FORMAT_MACROS
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# in globalDefinitions.hpp
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CFLAGS += -D__STDC_FORMAT_MACROS
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ARCHFLAG = -q64
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CFLAGS += $(ARCHFLAG)
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AOUT_FLAGS += $(ARCHFLAG)
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LFLAGS += $(ARCHFLAG)
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ASFLAGS += $(ARCHFLAG)
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# Use C++ Interpreter
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ifdef CC_INTERP
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CFLAGS += -DCC_INTERP
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endif
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# Keep temporary files (.ii, .s)
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# no counterpart on xlc for -save-temps, -pipe
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# Compiler warnings are treated as errors
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# Do not treat warnings as errors
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# WARNINGS_ARE_ERRORS = -Werror
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# Except for a few acceptable ones
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# ACCEPTABLE_WARNINGS = -Wpointer-arith -Wconversion -Wsign-compare
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# CFLAGS_WARN/DEFAULT = $(WARNINGS_ARE_ERRORS) $(ACCEPTABLE_WARNINGS)
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CFLAGS_WARN/COMMON =
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CFLAGS_WARN/DEFAULT = $(CFLAGS_WARN/COMMON) $(EXTRA_WARNINGS)
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# Special cases
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CFLAGS_WARN/BYFILE = $(CFLAGS_WARN/$@)$(CFLAGS_WARN/DEFAULT$(CFLAGS_WARN/$@))
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# The flags to use for an optimized build
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OPT_CFLAGS += -O3
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# Hotspot uses very unstrict aliasing turn this optimization off
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OPT_CFLAGS += -qalias=noansi
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OPT_CFLAGS/NOOPT=-qnoopt
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DEPFLAGS = -qmakedep=gcc -MF $(DEP_DIR)/$(@:%=%.d)
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#------------------------------------------------------------------------
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# Linker flags
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# statically link libstdc++.so, work with gcc but ignored by g++
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STATIC_STDCXX = -Wl,-lC_r
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# Enable linker optimization
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# no counterpart on xlc for this
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# LFLAGS += -Xlinker -O1
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# Use $(MAPFLAG:FILENAME=real_file_name) to specify a map file.
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# MAPFLAG = -Xlinker --version-script=FILENAME
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# Build shared library
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SHARED_FLAG = -q64 -b64 -bexpall -G -bnoentry -qmkshrobj -brtl -bnolibpath -bernotok
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#------------------------------------------------------------------------
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# Debug flags
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# Always compile with '-g' to get symbols in the stacktraces in the hs_err file
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DEBUG_CFLAGS += -g
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FASTDEBUG_CFLAGS += -g
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OPT_CFLAGS += -g
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# DEBUG_BINARIES overrides everything, use full -g debug information
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ifeq ($(DEBUG_BINARIES), true)
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DEBUG_CFLAGS = -g
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CFLAGS += $(DEBUG_CFLAGS)
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endif
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# If we are building HEADLESS, pass on to VM
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# so it can set the java.awt.headless property
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ifdef HEADLESS
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CFLAGS += -DHEADLESS
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endif
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# We are building Embedded for a small device
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# favor code space over speed
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ifdef MINIMIZE_RAM_USAGE
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CFLAGS += -DMINIMIZE_RAM_USAGE
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endif
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ifdef CROSS_COMPILE_ARCH
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STRIP = $(ALT_COMPILER_PATH)/strip
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else
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STRIP = strip
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endif
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