jdk8-mips64-public/hotspot: make/linux/makefiles/gcc.make@a5610f0862fe (annotated)

make/linux/makefiles/gcc.make@a5610f0862fe (annotated)

make/linux/makefiles/gcc.make

Thu, 09 Dec 2010 20:12:06 -0500

author: dholmes
date: Thu, 09 Dec 2010 20:12:06 -0500
changeset 2362: a5610f0862fe
parent 2325: c760f78e0a53
child 2507: d70fe6ab4436
permissions: -rw-r--r--

7005007: Refine use of ALT_COMPILER_PATH to avoid conflict with JPRT usage
Summary: Check for CROSS_COMPILE_ARCH being set as an indicator to use ALT_COMPILER_PATH
Reviewed-by: acorn, ohair

 #
 # Copyright (c) 1999, 2010, Oracle and/or its affiliates. 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, CPP & AS
 # When cross-compiling the ALT_COMPILER_PATH points
 # to the cross-compilation toolset
 ifdef CROSS_COMPILE_ARCH
 CPP = $(ALT_COMPILER_PATH)/g++
 CC  = $(ALT_COMPILER_PATH)/gcc
 else
 CPP = g++
 CC  = gcc
 endif
 AS  = $(CC) -c
 # -dumpversion in gcc-2.91 shows "egcs-2.91.66". In later version, it only
 # prints the numbers (e.g. "2.95", "3.2.1")
 CC_VER_MAJOR := $(shell $(CC) -dumpversion | sed 's/egcs-//' | cut -d'.' -f1)
 CC_VER_MINOR := $(shell $(CC) -dumpversion | sed 's/egcs-//' | cut -d'.' -f2)
 # check for precompiled headers support
 ifneq "$(shell expr \( $(CC_VER_MAJOR) \> 3 \) \| \( \( $(CC_VER_MAJOR) = 3 \) \& \( $(CC_VER_MINOR) \>= 4 \) \))" "0"
 # Allow the user to turn off precompiled headers from the command line.
 ifneq ($(USE_PRECOMPILED_HEADER),0)
 USE_PRECOMPILED_HEADER=1
 PRECOMPILED_HEADER_DIR=.
 PRECOMPILED_HEADER_SRC=$(GAMMADIR)/src/share/vm/precompiled.hpp
 PRECOMPILED_HEADER=$(PRECOMPILED_HEADER_DIR)/precompiled.hpp.gch
 endif
 endif
 #------------------------------------------------------------------------
 # Compiler flags
 # position-independent code
 PICFLAG = -fPIC
 VM_PICFLAG/LIBJVM = $(PICFLAG)
 VM_PICFLAG/AOUT   =
 VM_PICFLAG        = $(VM_PICFLAG/$(LINK_INTO))
 ifeq ($(ZERO_BUILD), true)
 CFLAGS += $(LIBFFI_CFLAGS)
 endif
 ifeq ($(SHARK_BUILD), true)
 CFLAGS += $(LLVM_CFLAGS)
 endif
 CFLAGS += $(VM_PICFLAG)
 CFLAGS += -fno-rtti
 CFLAGS += -fno-exceptions
 CFLAGS += -D_REENTRANT
 CFLAGS += -fcheck-new
 ARCHFLAG = $(ARCHFLAG/$(BUILDARCH))
 ARCHFLAG/i486    = -m32 -march=i586
 ARCHFLAG/amd64   = -m64
 ARCHFLAG/ia64    =
 ARCHFLAG/sparc   = -m32 -mcpu=v9
 ARCHFLAG/sparcv9 = -m64 -mcpu=v9
 ARCHFLAG/arm     =  -fsigned-char
 ARCHFLAG/zero    = $(ZERO_ARCHFLAG)
 ifndef E500V2
 ARCHFLAG/ppc     =  -mcpu=powerpc
 endif
 CFLAGS     += $(ARCHFLAG)
 AOUT_FLAGS += $(ARCHFLAG)
 LFLAGS     += $(ARCHFLAG)
 ASFLAGS    += $(ARCHFLAG)
 ifdef E500V2
 CFLAGS += -DE500V2
 endif
 # Use C++ Interpreter
 ifdef CC_INTERP
   CFLAGS += -DCC_INTERP
 endif
 # Build for embedded targets
 ifdef JAVASE_EMBEDDED
   CFLAGS += -DJAVASE_EMBEDDED
 endif
 # Keep temporary files (.ii, .s)
 ifdef NEED_ASM
   CFLAGS += -save-temps
 else
   CFLAGS += -pipe
 endif
 # Compiler warnings are treated as errors
 WARNINGS_ARE_ERRORS = -Werror
 # Except for a few acceptable ones
 # Since GCC 4.3, -Wconversion has changed its meanings to warn these implicit
 # conversions which might affect the values. To avoid that, we need to turn
 # it off explicitly.
 ifneq "$(shell expr \( $(CC_VER_MAJOR) \> 4 \) \| \( \( $(CC_VER_MAJOR) = 4 \) \& \( $(CC_VER_MINOR) \>= 3 \) \))" "0"
 ACCEPTABLE_WARNINGS = -Wpointer-arith -Wsign-compare
 else
 ACCEPTABLE_WARNINGS = -Wpointer-arith -Wconversion -Wsign-compare
 endif
 CFLAGS_WARN/DEFAULT = $(WARNINGS_ARE_ERRORS) $(ACCEPTABLE_WARNINGS)
 # Special cases
 CFLAGS_WARN/BYFILE = $(CFLAGS_WARN/$@)$(CFLAGS_WARN/DEFAULT$(CFLAGS_WARN/$@))
 # The flags to use for an Optimized g++ build
 OPT_CFLAGS += -O3
 # Hotspot uses very unstrict aliasing turn this optimization off
 OPT_CFLAGS += -fno-strict-aliasing
 # The gcc compiler segv's on ia64 when compiling bytecodeInterpreter.cpp
 # if we use expensive-optimizations
 ifeq ($(BUILDARCH), ia64)
 OPT_CFLAGS += -fno-expensive-optimizations
 endif
 OPT_CFLAGS/NOOPT=-O0
 # 6835796. Problem in GCC 4.3.0 with mulnode.o optimized compilation.
 ifneq "$(shell expr \( \( $(CC_VER_MAJOR) = 4 \) \& \( $(CC_VER_MINOR) = 3 \) \))" "0"
 OPT_CFLAGS/mulnode.o += -O0
 endif
 # Flags for generating make dependency flags.
 ifneq ("${CC_VER_MAJOR}", "2")
 DEPFLAGS = -MMD -MP -MF $(DEP_DIR)/$(@:%=%.d)
 endif
 # -DDONT_USE_PRECOMPILED_HEADER will exclude all includes in precompiled.hpp.
 ifneq ($(USE_PRECOMPILED_HEADER),1)
 CFLAGS += -DDONT_USE_PRECOMPILED_HEADER
 endif
 #------------------------------------------------------------------------
 # Linker flags
 # statically link libstdc++.so, work with gcc but ignored by g++
 STATIC_STDCXX = -Wl,-Bstatic -lstdc++ -Wl,-Bdynamic
 # statically link libgcc and/or libgcc_s, libgcc does not exist before gcc-3.x.
 ifneq ("${CC_VER_MAJOR}", "2")
 STATIC_LIBGCC += -static-libgcc
 endif
 ifeq ($(BUILDARCH), ia64)
 LFLAGS += -Wl,-relax
 endif
 # Enable linker optimization
 LFLAGS += -Xlinker -O1
 # If this is a --hash-style=gnu system, use --hash-style=both
 #   The gnu .hash section won't work on some Linux systems like SuSE 10.
 _HAS_HASH_STYLE_GNU:=$(shell $(CC) -dumpspecs | grep -- '--hash-style=gnu')
 ifneq ($(_HAS_HASH_STYLE_GNU),)
   LDFLAGS_HASH_STYLE = -Wl,--hash-style=both
 endif
 LFLAGS += $(LDFLAGS_HASH_STYLE)
 # Use $(MAPFLAG:FILENAME=real_file_name) to specify a map file.
 MAPFLAG = -Xlinker --version-script=FILENAME
 # Use $(SONAMEFLAG:SONAME=soname) to specify the intrinsic name of a shared obj
 SONAMEFLAG = -Xlinker -soname=SONAME
 # Build shared library
 SHARED_FLAG = -shared
 # Keep symbols even they are not used
 AOUT_FLAGS += -export-dynamic
 #------------------------------------------------------------------------
 # Debug flags
 # Use the stabs format for debugging information (this is the default
 # on gcc-2.91). It's good enough, has all the information about line
 # numbers and local variables, and libjvm_g.so is only about 16M.
 # Change this back to "-g" if you want the most expressive format.
 # (warning: that could easily inflate libjvm_g.so to 150M!)
 # Note: The Itanium gcc compiler crashes when using -gstabs.
 DEBUG_CFLAGS/ia64  = -g
 DEBUG_CFLAGS/amd64 = -g
 DEBUG_CFLAGS/arm   = -g
 DEBUG_CFLAGS/ppc   = -g
 DEBUG_CFLAGS += $(DEBUG_CFLAGS/$(BUILDARCH))
 ifeq ($(DEBUG_CFLAGS/$(BUILDARCH)),)
 DEBUG_CFLAGS += -gstabs
 endif
 # 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

Mercurial > jdk8-mips64-public > hotspot / annotate

make/linux/makefiles/gcc.make@a5610f0862fe (annotated)

make/linux/makefiles/gcc.make