hotspot/make/solaris/makefiles/gcc.make - platform/libcore - Git at Google

 #
 # Copyright (c) 1998, 2013, 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, CXX & AS

 # If a SPEC is not set already, then use these defaults.
 ifeq ($(SPEC),)
   CXX = g++
   CC  = gcc
   AS  = $(CC) -c
   MCS = /usr/ccs/bin/mcs
 endif

 Compiler = gcc

 # -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)
 CC_VER_MICRO := $(shell $(CC) -dumpversion | sed 's/egcs-//' | cut -d'.' -f3)

 # Check for the versions of C++ and C compilers ($CXX and $CC) used.

 # Get the last thing on the line that looks like x.x+ (x is a digit).
 COMPILER_REV := \
 $(shell $(CXX) -dumpversion | sed 's/egcs-//' | cut -d'.' -f1)
 CC_COMPILER_REV := \
 $(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 ($(USE_PRECOMPILED_HEADER),0)
 PRECOMPILED_HEADER_DIR=.
 PRECOMPILED_HEADER_SRC=$(GAMMADIR)/src/share/vm/precompiled/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))

 CFLAGS += $(VM_PICFLAG)
 CFLAGS += -fno-rtti
 CFLAGS += -fno-exceptions
 CFLAGS += -D_REENTRANT
 CFLAGS += -fcheck-new

 ARCHFLAG = $(ARCHFLAG/$(BUILDARCH))

 ARCHFLAG/sparc   = -m32 -mcpu=v9
 ARCHFLAG/sparcv9 = -m64 -mcpu=v9
 ARCHFLAG/i486    = -m32 -march=i586
 ARCHFLAG/amd64   = -m64 -march=k8


 # Optional sub-directory in /usr/lib where BUILDARCH libraries are kept.
 ISA_DIR=$(ISA_DIR/$(BUILDARCH))
 ISA_DIR/amd64=/amd64
 ISA_DIR/i486=
 ISA_DIR/sparcv9=/64


 CFLAGS     += $(ARCHFLAG)
 AOUT_FLAGS += $(ARCHFLAG)
 LFLAGS     += $(ARCHFLAG)
 ASFLAGS    += $(ARCHFLAG)

 ifeq ($(BUILDARCH), amd64)
 ASFLAGS += -march=k8  -march=amd64
 LFLAGS += -march=k8
 endif


 # Use C++ Interpreter
 ifdef CC_INTERP
   CFLAGS += -DCC_INTERP
 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

 # Enable these warnings. See 'info gcc' about details on these options
 WARNING_FLAGS = -Wpointer-arith -Wconversion -Wsign-compare -Wundef -Wformat=2
 CFLAGS_WARN/DEFAULT = $(WARNINGS_ARE_ERRORS) $(WARNING_FLAGS)

 # Special cases
 CFLAGS_WARN/BYFILE = $(CFLAGS_WARN/$@)$(CFLAGS_WARN/DEFAULT$(CFLAGS_WARN/$@))

 # optimization control flags (Used by fastdebug and release variants)
 OPT_CFLAGS/NOOPT=-O0
 OPT_CFLAGS/DEBUG=-O0
 OPT_CFLAGS/SIZE=-Os
 OPT_CFLAGS/SPEED=-O3

 OPT_CFLAGS_DEFAULT ?= SPEED

 # Hotspot uses very unstrict aliasing turn this optimization off
 # This option is added to CFLAGS rather than OPT_CFLAGS
 # so that OPT_CFLAGS overrides get this option too.
 CFLAGS += -fno-strict-aliasing

 ifdef OPT_CFLAGS
   ifneq ("$(origin OPT_CFLAGS)", "command line")
     $(error " Use OPT_EXTRAS instead of OPT_CFLAGS to add extra flags to OPT_CFLAGS.")
   endif
 endif

 OPT_CFLAGS = $(OPT_CFLAGS/$(OPT_CFLAGS_DEFAULT)) $(OPT_EXTRAS)

 # The gcc compiler segv's on ia64 when compiling bytecodeInterpreter.cpp
 # if we use expensive-optimizations
 # Note: all ia64 setting reflect the ones for linux
 # No actial testing was performed: there is no Solaris on ia64 presently
 ifeq ($(BUILDARCH), ia64)
 OPT_CFLAGS/bytecodeInterpreter.o += -fno-expensive-optimizations
 endif

 # Work around some compiler bugs.
 ifeq ($(USE_CLANG), true)
   ifeq ($(shell expr $(CC_VER_MAJOR) = 4 \& $(CC_VER_MINOR) = 2), 1)
     OPT_CFLAGS/loopTransform.o += $(OPT_CFLAGS/NOOPT)
   endif
 else
   # Do not allow GCC 4.1.1
   ifeq ($(shell expr $(CC_VER_MAJOR) = 4 \& $(CC_VER_MINOR) = 1 \& $(CC_VER_MICRO) = 1), 1)
     $(error "GCC $(CC_VER_MAJOR).$(CC_VER_MINOR).$(CC_VER_MICRO) not supported because of https://gcc.gnu.org/bugzilla/show_bug.cgi?id=27724")
   endif
   # 6835796. Problem in GCC 4.3.0 with mulnode.o optimized compilation.
   ifeq ($(shell expr $(CC_VER_MAJOR) = 4 \& $(CC_VER_MINOR) = 3), 1)
     OPT_CFLAGS/mulnode.o += $(OPT_CFLAGS/NOOPT)
   endif
 endif

 # Flags for generating make dependency flags.
 ifneq ($(CC_VER_MAJOR), 2)
 DEPFLAGS = -fpch-deps -MMD -MP -MF $(DEP_DIR)/$(@:%=%.d)
 endif

 # -DDONT_USE_PRECOMPILED_HEADER will exclude all includes in precompiled.hpp.
 ifeq ($(USE_PRECOMPILED_HEADER),0)
 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


 ifdef USE_GNULD
   # 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

   # Enable linker optimization
   LFLAGS += -Xlinker -O1

   ifneq (, findstring(debug,$(BUILD_FLAVOR)))
     # for relocations read-only
     LFLAGS += -Xlinker -z -Xlinker relro

     ifeq ($(BUILD_FLAVOR), debug)
       # disable incremental relocations linking
       LFLAGS += -Xlinker -z -Xlinker now
     endif
   endif

   ifeq ($(BUILDARCH), ia64)
     # Note: all ia64 setting reflect the ones for linux
     # No actual testing was performed: there is no Solaris on ia64 presently
     LFLAGS += -Wl,-relax
   endif

   # Use $(MAPFLAG:FILENAME=real_file_name) to specify a map file.
   MAPFLAG = -Xlinker --version-script=FILENAME
 else
   MAPFLAG = -Xlinker -M -Xlinker FILENAME
 endif

 # Use $(SONAMEFLAG:SONAME=soname) to specify the intrinsic name of a shared obj
 SONAMEFLAG = -Xlinker -soname=SONAME

 # Build shared library
 SHARED_FLAG = -shared

 #------------------------------------------------------------------------
 # Debug flags

 # Allow no optimizations.
 DEBUG_CFLAGS=-O0

 # Enable debug symbols
 DEBUG_CFLAGS += -g

 # Enable bounds checking.
 ifeq "$(shell expr \( $(CC_VER_MAJOR) \> 3 \) )" "1"
   # stack smashing checks.
   DEBUG_CFLAGS += -fstack-protector-all --param ssp-buffer-size=1
 endif
	#
	# Copyright (c) 1998, 2013, 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, CXX & AS

	# If a SPEC is not set already, then use these defaults.
	ifeq ($(SPEC),)
	CXX = g++
	CC = gcc
	AS = $(CC) -c
	MCS = /usr/ccs/bin/mcs
	endif

	Compiler = gcc

	# -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)
	CC_VER_MICRO := $(shell $(CC) -dumpversion \| sed 's/egcs-//' \| cut -d'.' -f3)

	# Check for the versions of C++ and C compilers ($CXX and $CC) used.

	# Get the last thing on the line that looks like x.x+ (x is a digit).
	COMPILER_REV := \
	$(shell $(CXX) -dumpversion \| sed 's/egcs-//' \| cut -d'.' -f1)
	CC_COMPILER_REV := \
	$(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 ($(USE_PRECOMPILED_HEADER),0)
	PRECOMPILED_HEADER_DIR=.
	PRECOMPILED_HEADER_SRC=$(GAMMADIR)/src/share/vm/precompiled/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))

	CFLAGS += $(VM_PICFLAG)
	CFLAGS += -fno-rtti
	CFLAGS += -fno-exceptions
	CFLAGS += -D_REENTRANT
	CFLAGS += -fcheck-new

	ARCHFLAG = $(ARCHFLAG/$(BUILDARCH))

	ARCHFLAG/sparc = -m32 -mcpu=v9
	ARCHFLAG/sparcv9 = -m64 -mcpu=v9
	ARCHFLAG/i486 = -m32 -march=i586
	ARCHFLAG/amd64 = -m64 -march=k8


	# Optional sub-directory in /usr/lib where BUILDARCH libraries are kept.
	ISA_DIR=$(ISA_DIR/$(BUILDARCH))
	ISA_DIR/amd64=/amd64
	ISA_DIR/i486=
	ISA_DIR/sparcv9=/64


	CFLAGS += $(ARCHFLAG)
	AOUT_FLAGS += $(ARCHFLAG)
	LFLAGS += $(ARCHFLAG)
	ASFLAGS += $(ARCHFLAG)

	ifeq ($(BUILDARCH), amd64)
	ASFLAGS += -march=k8 -march=amd64
	LFLAGS += -march=k8
	endif


	# Use C++ Interpreter
	ifdef CC_INTERP
	CFLAGS += -DCC_INTERP
	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

	# Enable these warnings. See 'info gcc' about details on these options
	WARNING_FLAGS = -Wpointer-arith -Wconversion -Wsign-compare -Wundef -Wformat=2
	CFLAGS_WARN/DEFAULT = $(WARNINGS_ARE_ERRORS) $(WARNING_FLAGS)

	# Special cases
	CFLAGS_WARN/BYFILE = $(CFLAGS_WARN/$@)$(CFLAGS_WARN/DEFAULT$(CFLAGS_WARN/$@))

	# optimization control flags (Used by fastdebug and release variants)
	OPT_CFLAGS/NOOPT=-O0
	OPT_CFLAGS/DEBUG=-O0
	OPT_CFLAGS/SIZE=-Os
	OPT_CFLAGS/SPEED=-O3

	OPT_CFLAGS_DEFAULT ?= SPEED

	# Hotspot uses very unstrict aliasing turn this optimization off
	# This option is added to CFLAGS rather than OPT_CFLAGS
	# so that OPT_CFLAGS overrides get this option too.
	CFLAGS += -fno-strict-aliasing

	ifdef OPT_CFLAGS
	ifneq ("$(origin OPT_CFLAGS)", "command line")
	$(error " Use OPT_EXTRAS instead of OPT_CFLAGS to add extra flags to OPT_CFLAGS.")
	endif
	endif

	OPT_CFLAGS = $(OPT_CFLAGS/$(OPT_CFLAGS_DEFAULT)) $(OPT_EXTRAS)

	# The gcc compiler segv's on ia64 when compiling bytecodeInterpreter.cpp
	# if we use expensive-optimizations
	# Note: all ia64 setting reflect the ones for linux
	# No actial testing was performed: there is no Solaris on ia64 presently
	ifeq ($(BUILDARCH), ia64)
	OPT_CFLAGS/bytecodeInterpreter.o += -fno-expensive-optimizations
	endif

	# Work around some compiler bugs.
	ifeq ($(USE_CLANG), true)
	ifeq ($(shell expr $(CC_VER_MAJOR) = 4 \& $(CC_VER_MINOR) = 2), 1)
	OPT_CFLAGS/loopTransform.o += $(OPT_CFLAGS/NOOPT)
	endif
	else
	# Do not allow GCC 4.1.1
	ifeq ($(shell expr $(CC_VER_MAJOR) = 4 \& $(CC_VER_MINOR) = 1 \& $(CC_VER_MICRO) = 1), 1)
	$(error "GCC $(CC_VER_MAJOR).$(CC_VER_MINOR).$(CC_VER_MICRO) not supported because of https://gcc.gnu.org/bugzilla/show_bug.cgi?id=27724")
	endif
	# 6835796. Problem in GCC 4.3.0 with mulnode.o optimized compilation.
	ifeq ($(shell expr $(CC_VER_MAJOR) = 4 \& $(CC_VER_MINOR) = 3), 1)
	OPT_CFLAGS/mulnode.o += $(OPT_CFLAGS/NOOPT)
	endif
	endif

	# Flags for generating make dependency flags.
	ifneq ($(CC_VER_MAJOR), 2)
	DEPFLAGS = -fpch-deps -MMD -MP -MF $(DEP_DIR)/$(@:%=%.d)
	endif

	# -DDONT_USE_PRECOMPILED_HEADER will exclude all includes in precompiled.hpp.
	ifeq ($(USE_PRECOMPILED_HEADER),0)
	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


	ifdef USE_GNULD
	# 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

	# Enable linker optimization
	LFLAGS += -Xlinker -O1

	ifneq (, findstring(debug,$(BUILD_FLAVOR)))
	# for relocations read-only
	LFLAGS += -Xlinker -z -Xlinker relro

	ifeq ($(BUILD_FLAVOR), debug)
	# disable incremental relocations linking
	LFLAGS += -Xlinker -z -Xlinker now
	endif
	endif

	ifeq ($(BUILDARCH), ia64)
	# Note: all ia64 setting reflect the ones for linux
	# No actual testing was performed: there is no Solaris on ia64 presently
	LFLAGS += -Wl,-relax
	endif

	# Use $(MAPFLAG:FILENAME=real_file_name) to specify a map file.
	MAPFLAG = -Xlinker --version-script=FILENAME
	else
	MAPFLAG = -Xlinker -M -Xlinker FILENAME
	endif

	# Use $(SONAMEFLAG:SONAME=soname) to specify the intrinsic name of a shared obj
	SONAMEFLAG = -Xlinker -soname=SONAME

	# Build shared library
	SHARED_FLAG = -shared

	#------------------------------------------------------------------------
	# Debug flags

	# Allow no optimizations.
	DEBUG_CFLAGS=-O0

	# Enable debug symbols
	DEBUG_CFLAGS += -g

	# Enable bounds checking.
	ifeq "$(shell expr \( $(CC_VER_MAJOR) \> 3 \) )" "1"
	# stack smashing checks.
	DEBUG_CFLAGS += -fstack-protector-all --param ssp-buffer-size=1
	endif