author | erikj |
Wed, 22 Feb 2012 09:24:35 +0100 | |
changeset 11955 | aeca8151886e |
parent 11721 | dcd1f62c9caf |
child 12156 | fb31de03f649 |
permissions | -rw-r--r-- |
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# |
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# Copyright (c) 1999, 2011, Oracle and/or its affiliates. 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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#------------------------------------------------------------------------ |
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# CC, CXX & AS |
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# If a SPEC is not set already, then use these defaults. |
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ifeq ($(SPEC),) |
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# When cross-compiling the ALT_COMPILER_PATH points |
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# to the cross-compilation toolset |
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ifdef CROSS_COMPILE_ARCH |
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CXX = $(ALT_COMPILER_PATH)/g++ |
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CC = $(ALT_COMPILER_PATH)/gcc |
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HOSTCXX = g++ |
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HOSTCC = gcc |
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STRIP = $(ALT_COMPILER_PATH)/strip |
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else |
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CXX = g++ |
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CC = gcc |
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HOSTCXX = $(CXX) |
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HOSTCC = $(CC) |
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STRIP = strip |
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endif |
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AS = $(CC) -c |
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endif |
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# -dumpversion in gcc-2.91 shows "egcs-2.91.66". In later version, it only |
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# prints the numbers (e.g. "2.95", "3.2.1") |
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CC_VER_MAJOR := $(shell $(CC) -dumpversion | sed 's/egcs-//' | cut -d'.' -f1) |
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CC_VER_MINOR := $(shell $(CC) -dumpversion | sed 's/egcs-//' | cut -d'.' -f2) |
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# check for precompiled headers support |
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ifneq "$(shell expr \( $(CC_VER_MAJOR) \> 3 \) \| \( \( $(CC_VER_MAJOR) = 3 \) \& \( $(CC_VER_MINOR) \>= 4 \) \))" "0" |
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# Allow the user to turn off precompiled headers from the command line. |
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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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endif |
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#------------------------------------------------------------------------ |
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# Compiler flags |
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# position-independent code |
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PICFLAG = -fPIC |
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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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ifeq ($(ZERO_BUILD), true) |
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CFLAGS += $(LIBFFI_CFLAGS) |
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endif |
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ifeq ($(SHARK_BUILD), true) |
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CFLAGS += $(LLVM_CFLAGS) |
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endif |
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CFLAGS += $(VM_PICFLAG) |
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CFLAGS += -fno-rtti |
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CFLAGS += -fno-exceptions |
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CFLAGS += -D_REENTRANT |
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CFLAGS += -fcheck-new |
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# version 4 and above support fvisibility=hidden (matches jni_x86.h file) |
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# except 4.1.2 gives pointless warnings that can't be disabled (afaik) |
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ifneq "$(shell expr \( $(CC_VER_MAJOR) \> 4 \) \| \( \( $(CC_VER_MAJOR) = 4 \) \& \( $(CC_VER_MINOR) \>= 3 \) \))" "0" |
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CFLAGS += -fvisibility=hidden |
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endif |
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ARCHFLAG = $(ARCHFLAG/$(BUILDARCH)) |
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ARCHFLAG/i486 = -m32 -march=i586 |
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ARCHFLAG/amd64 = -m64 |
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ARCHFLAG/ia64 = |
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ARCHFLAG/sparc = -m32 -mcpu=v9 |
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ARCHFLAG/sparcv9 = -m64 -mcpu=v9 |
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ARCHFLAG/arm = -fsigned-char |
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ARCHFLAG/zero = $(ZERO_ARCHFLAG) |
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ifndef E500V2 |
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ARCHFLAG/ppc = -mcpu=powerpc |
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endif |
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CFLAGS += $(ARCHFLAG) |
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AOUT_FLAGS += $(ARCHFLAG) |
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LFLAGS += $(ARCHFLAG) |
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ASFLAGS += $(ARCHFLAG) |
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ifdef E500V2 |
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CFLAGS += -DE500V2 |
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endif |
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# Use C++ Interpreter |
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ifdef CC_INTERP |
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CFLAGS += -DCC_INTERP |
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endif |
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# Build for embedded targets |
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ifdef JAVASE_EMBEDDED |
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CFLAGS += -DJAVASE_EMBEDDED |
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endif |
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# Keep temporary files (.ii, .s) |
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ifdef NEED_ASM |
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CFLAGS += -save-temps |
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else |
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CFLAGS += -pipe |
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endif |
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# Compiler warnings are treated as errors |
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WARNINGS_ARE_ERRORS = -Werror |
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# Except for a few acceptable ones |
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# Since GCC 4.3, -Wconversion has changed its meanings to warn these implicit |
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# conversions which might affect the values. To avoid that, we need to turn |
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# it off explicitly. |
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ifneq "$(shell expr \( $(CC_VER_MAJOR) \> 4 \) \| \( \( $(CC_VER_MAJOR) = 4 \) \& \( $(CC_VER_MINOR) \>= 3 \) \))" "0" |
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ACCEPTABLE_WARNINGS = -Wpointer-arith -Wsign-compare |
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else |
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ACCEPTABLE_WARNINGS = -Wpointer-arith -Wconversion -Wsign-compare |
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endif |
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CFLAGS_WARN/DEFAULT = $(WARNINGS_ARE_ERRORS) $(ACCEPTABLE_WARNINGS) |
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# Special cases |
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CFLAGS_WARN/BYFILE = $(CFLAGS_WARN/$@)$(CFLAGS_WARN/DEFAULT$(CFLAGS_WARN/$@)) |
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# The flags to use for an Optimized g++ build |
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OPT_CFLAGS += -O3 |
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# Hotspot uses very unstrict aliasing turn this optimization off |
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OPT_CFLAGS += -fno-strict-aliasing |
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# The gcc compiler segv's on ia64 when compiling bytecodeInterpreter.cpp |
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# if we use expensive-optimizations |
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ifeq ($(BUILDARCH), ia64) |
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OPT_CFLAGS += -fno-expensive-optimizations |
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endif |
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OPT_CFLAGS/NOOPT=-O0 |
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# 6835796. Problem in GCC 4.3.0 with mulnode.o optimized compilation. |
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ifneq "$(shell expr \( \( $(CC_VER_MAJOR) = 4 \) \& \( $(CC_VER_MINOR) = 3 \) \))" "0" |
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OPT_CFLAGS/mulnode.o += -O0 |
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endif |
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# Flags for generating make dependency flags. |
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ifneq ("${CC_VER_MAJOR}", "2") |
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DEPFLAGS = -MMD -MP -MF $(DEP_DIR)/$(@:%=%.d) |
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endif |
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# -DDONT_USE_PRECOMPILED_HEADER will exclude all includes in precompiled.hpp. |
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ifeq ($(USE_PRECOMPILED_HEADER),0) |
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CFLAGS += -DDONT_USE_PRECOMPILED_HEADER |
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endif |
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#------------------------------------------------------------------------ |
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# Linker flags |
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# statically link libstdc++.so, work with gcc but ignored by g++ |
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STATIC_STDCXX = -Wl,-Bstatic -lstdc++ -Wl,-Bdynamic |
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# statically link libgcc and/or libgcc_s, libgcc does not exist before gcc-3.x. |
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ifneq ("${CC_VER_MAJOR}", "2") |
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STATIC_LIBGCC += -static-libgcc |
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endif |
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ifeq ($(BUILDARCH), ia64) |
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LFLAGS += -Wl,-relax |
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endif |
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# Enable linker optimization |
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LFLAGS += -Xlinker -O1 |
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# If this is a --hash-style=gnu system, use --hash-style=both |
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# The gnu .hash section won't work on some Linux systems like SuSE 10. |
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_HAS_HASH_STYLE_GNU:=$(shell $(CC) -dumpspecs | grep -- '--hash-style=gnu') |
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ifneq ($(_HAS_HASH_STYLE_GNU),) |
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LDFLAGS_HASH_STYLE = -Wl,--hash-style=both |
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endif |
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LFLAGS += $(LDFLAGS_HASH_STYLE) |
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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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# Use $(SONAMEFLAG:SONAME=soname) to specify the intrinsic name of a shared obj |
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SONAMEFLAG = -Xlinker -soname=SONAME |
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||
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# Build shared library |
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SHARED_FLAG = -shared |
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||
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# Keep symbols even they are not used |
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AOUT_FLAGS += -Xlinker -export-dynamic |
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#------------------------------------------------------------------------ |
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215 |
# Debug flags |
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216 |
||
217 |
# Use the stabs format for debugging information (this is the default |
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# on gcc-2.91). It's good enough, has all the information about line |
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# numbers and local variables, and libjvm_g.so is only about 16M. |
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# Change this back to "-g" if you want the most expressive format. |
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# (warning: that could easily inflate libjvm_g.so to 150M!) |
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# Note: The Itanium gcc compiler crashes when using -gstabs. |
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DEBUG_CFLAGS/ia64 = -g |
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DEBUG_CFLAGS/amd64 = -g |
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DEBUG_CFLAGS/arm = -g |
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DEBUG_CFLAGS/ppc = -g |
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DEBUG_CFLAGS += $(DEBUG_CFLAGS/$(BUILDARCH)) |
228 |
ifeq ($(DEBUG_CFLAGS/$(BUILDARCH)),) |
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DEBUG_CFLAGS += -gstabs |
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endif |
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ifneq ($(OBJCOPY),) |
233 |
FASTDEBUG_CFLAGS/ia64 = -g |
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234 |
FASTDEBUG_CFLAGS/amd64 = -g |
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FASTDEBUG_CFLAGS/arm = -g |
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FASTDEBUG_CFLAGS/ppc = -g |
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FASTDEBUG_CFLAGS += $(DEBUG_CFLAGS/$(BUILDARCH)) |
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238 |
ifeq ($(FASTDEBUG_CFLAGS/$(BUILDARCH)),) |
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239 |
FASTDEBUG_CFLAGS += -gstabs |
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240 |
endif |
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||
242 |
OPT_CFLAGS/ia64 = -g |
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OPT_CFLAGS/amd64 = -g |
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OPT_CFLAGS/arm = -g |
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OPT_CFLAGS/ppc = -g |
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OPT_CFLAGS += $(OPT_CFLAGS/$(BUILDARCH)) |
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247 |
ifeq ($(OPT_CFLAGS/$(BUILDARCH)),) |
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248 |
OPT_CFLAGS += -gstabs |
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249 |
endif |
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endif |
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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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|
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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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|
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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 |