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