8142336: Convert the SA agent build to modular build-infra makefiles
Reviewed-by: ihse, sla, dsamersoff, twisti
#
# Copyright (c) 1999, 2015, 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.
#
#
OS_VENDOR = $(shell uname -s)
#------------------------------------------------------------------------
# CC, CXX & AS
# If a SPEC is not set already, then use these defaults.
ifeq ($(SPEC),)
# When cross-compiling the ALT_COMPILER_PATH points
# to the cross-compilation toolset
ifdef CROSS_COMPILE_ARCH
CXX = $(ALT_COMPILER_PATH)/g++
CC = $(ALT_COMPILER_PATH)/gcc
HOSTCXX = g++
HOSTCC = gcc
else ifneq ($(OS_VENDOR), Darwin)
CXX = g++
CC = gcc
HOSTCXX = $(CXX)
HOSTCC = $(CC)
endif
# i486 hotspot requires -mstackrealign on Darwin.
# llvm-gcc supports this in Xcode 3.2.6 and 4.0.
# gcc-4.0 supports this on earlier versions.
# Prefer llvm-gcc where available.
ifeq ($(OS_VENDOR), Darwin)
ifeq ($(origin CXX), default)
CXX = llvm-g++
endif
ifeq ($(origin CC), default)
CC = llvm-gcc
endif
ifeq ($(ARCH), i486)
LLVM_SUPPORTS_STACKREALIGN := $(shell \
[ "0"`llvm-gcc -v 2>&1 | grep LLVM | sed -E "s/.*LLVM build ([0-9]+).*/\1/"` -gt "2333" ] \
&& echo true || echo false)
ifeq ($(LLVM_SUPPORTS_STACKREALIGN), true)
CXX32 ?= llvm-g++
CC32 ?= llvm-gcc
else
CXX32 ?= g++-4.0
CC32 ?= gcc-4.0
endif
CXX = $(CXX32)
CC = $(CC32)
endif
ifeq ($(USE_CLANG), true)
CXX = clang++
CC = clang
endif
HOSTCXX = $(CXX)
HOSTCC = $(CC)
endif
AS = $(CC) -c
endif
ifeq ($(OS_VENDOR), Darwin)
ifeq ($(DSYMUTIL),)
DSYMUTIL=dsymutil
endif
endif
ifeq ($(USE_CLANG), true)
CC_VER_MAJOR := $(shell $(CC) -v 2>&1 | grep version | sed "s/.*version \([0-9]*\.[0-9]*\).*/\1/" | cut -d'.' -f1)
CC_VER_MINOR := $(shell $(CC) -v 2>&1 | grep version | sed "s/.*version \([0-9]*\.[0-9]*\).*/\1/" | cut -d'.' -f2)
else
# -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 $(CC) -dumpversion | sed 's/egcs-//' | cut -d'.' -f3)
endif
ifeq ($(USE_CLANG), true)
# Clang has precompiled headers support by default, but the user can switch
# it off by using 'USE_PRECOMPILED_HEADER=0'.
ifdef LP64
ifeq ($(USE_PRECOMPILED_HEADER),)
USE_PRECOMPILED_HEADER=1
endif
else
# We don't support precompiled headers on 32-bit builds because there some files are
# compiled with -fPIC while others are compiled without (see 'NONPIC_OBJ_FILES' rules.make)
# Clang produces an error if the PCH file was compiled with other options than the actual compilation unit.
USE_PRECOMPILED_HEADER=0
endif
ifeq ($(USE_PRECOMPILED_HEADER),1)
ifndef LP64
$(error " Precompiled Headers only supported on 64-bit platforms!")
endif
PRECOMPILED_HEADER_DIR=.
PRECOMPILED_HEADER_SRC=$(GAMMADIR)/src/share/vm/precompiled/precompiled.hpp
PRECOMPILED_HEADER=$(PRECOMPILED_HEADER_DIR)/precompiled.hpp.pch
PCH_FLAG = -include precompiled.hpp
PCH_FLAG/DEFAULT = $(PCH_FLAG)
PCH_FLAG/NO_PCH = -DNO_PCH
PCH_FLAG/BY_FILE = $(PCH_FLAG/$@)$(PCH_FLAG/DEFAULT$(PCH_FLAG/$@))
VM_PCH_FLAG/LIBJVM = $(PCH_FLAG/BY_FILE)
VM_PCH_FLAG/AOUT =
VM_PCH_FLAG = $(VM_PCH_FLAG/$(LINK_INTO))
# We only use precompiled headers for the JVM build
CFLAGS += $(VM_PCH_FLAG)
# The following files are compiled at various optimization
# levels due to optimization issues encountered at the
# 'OPT_CFLAGS_DEFAULT' level. The Clang compiler issues a compile
# time error if there is an optimization level specification
# skew between the PCH file and the C++ file. Especially if the
# PCH file is compiled at a higher optimization level than
# the C++ file. One solution might be to prepare extra optimization
# level specific PCH files for the opt build and use them here, but
# it's probably not worth the effort as long as only a few files
# need this special handling.
PCH_FLAG/loopTransform.o = $(PCH_FLAG/NO_PCH)
PCH_FLAG/sharedRuntimeTrig.o = $(PCH_FLAG/NO_PCH)
PCH_FLAG/sharedRuntimeTrans.o = $(PCH_FLAG/NO_PCH)
PCH_FLAG/unsafe.o = $(PCH_FLAG/NO_PCH)
PCH_FLAG/jvmciCompilerToVM.o = $(PCH_FLAG/NO_PCH)
endif
else # ($(USE_CLANG), true)
# 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=$(PRECOMPILED_HEADER_DIR)/precompiled.hpp.gch
endif
endif
endif
# -DDONT_USE_PRECOMPILED_HEADER will exclude all includes in precompiled.hpp.
ifeq ($(USE_PRECOMPILED_HEADER),0)
CFLAGS += -DDONT_USE_PRECOMPILED_HEADER
endif
#------------------------------------------------------------------------
# Compiler flags
# position-independent code
PICFLAG = -fPIC
VM_PICFLAG/LIBJVM = $(PICFLAG)
VM_PICFLAG/AOUT =
VM_PICFLAG = $(VM_PICFLAG/$(LINK_INTO))
ifeq ($(JVM_VARIANT_ZERO), true)
CFLAGS += $(LIBFFI_CFLAGS)
endif
ifeq ($(JVM_VARIANT_ZEROSHARK), true)
CFLAGS += $(LIBFFI_CFLAGS)
CFLAGS += $(LLVM_CFLAGS)
endif
ifeq ($(STATIC_BUILD),true)
CXXFLAGS += -DSTATIC_BUILD
CFLAGS += -DSTATIC_BUILD
else
CFLAGS += $(VM_PICFLAG)
endif
CFLAGS += -fno-rtti
CFLAGS += -fno-exceptions
ifeq ($(USE_CLANG),)
CFLAGS += -pthread
CFLAGS += -fcheck-new
# version 4 and above support fvisibility=hidden (matches jni_x86.h file)
# except 4.1.2 gives pointless warnings that can't be disabled (afaik)
ifneq "$(shell expr \( $(CC_VER_MAJOR) \> 4 \) \| \( \( $(CC_VER_MAJOR) = 4 \) \& \( $(CC_VER_MINOR) \>= 3 \) \))" "0"
CFLAGS += -fvisibility=hidden
endif
else
CFLAGS += -fvisibility=hidden
endif
ifeq ($(USE_CLANG), true)
# Before Clang 3.1, we had to pass the stack alignment specification directly to llvm with the help of '-mllvm'
# Starting with version 3.1, Clang understands the '-mstack-alignment' (and rejects '-mllvm -stack-alignment')
ifneq "$(shell expr \( $(CC_VER_MAJOR) \> 3 \) \| \( \( $(CC_VER_MAJOR) = 3 \) \& \( $(CC_VER_MINOR) \>= 1 \) \))" "0"
STACK_ALIGNMENT_OPT = -mno-omit-leaf-frame-pointer -mstack-alignment=16
else
STACK_ALIGNMENT_OPT = -mno-omit-leaf-frame-pointer -mllvm -stack-alignment=16
endif
endif
ARCHFLAG = $(ARCHFLAG/$(BUILDARCH))
ARCHFLAG/i486 = -m32 -march=i586
ARCHFLAG/amd64 = -m64 $(STACK_ALIGNMENT_OPT)
ARCHFLAG/ia64 =
ARCHFLAG/sparc = -m32 -mcpu=v9
ARCHFLAG/sparcv9 = -m64 -mcpu=v9
ARCHFLAG/zero = $(ZERO_ARCHFLAG)
# Darwin-specific build flags
ifeq ($(OS_VENDOR), Darwin)
# Ineffecient 16-byte stack re-alignment on Darwin/IA32
ARCHFLAG/i486 += -mstackrealign
endif
CFLAGS += $(ARCHFLAG)
AOUT_FLAGS += $(ARCHFLAG)
LFLAGS += $(ARCHFLAG)
ASFLAGS += $(ARCHFLAG)
ifdef E500V2
CFLAGS += -DE500V2
endif
# Use C++ Interpreter
ifdef CC_INTERP
CFLAGS += -DCC_INTERP
endif
# Keep temporary files (.ii, .s)
ifdef NEED_ASM
CFLAGS += -save-temps
else
CFLAGS += -pipe
endif
# Compiler warnings are treated as errors
ifneq ($(COMPILER_WARNINGS_FATAL),false)
WARNINGS_ARE_ERRORS = -Werror
endif
ifeq ($(USE_CLANG), true)
# However we need to clean the code up before we can unrestrictedly enable this option with Clang
WARNINGS_ARE_ERRORS += -Wno-logical-op-parentheses -Wno-parentheses-equality -Wno-parentheses
WARNINGS_ARE_ERRORS += -Wno-switch -Wno-tautological-compare
# Not yet supported by clang in Xcode 4.6.2
# WARNINGS_ARE_ERRORS += -Wno-tautological-constant-out-of-range-compare
WARNINGS_ARE_ERRORS += -Wno-delete-non-virtual-dtor -Wno-deprecated -Wno-format -Wno-dynamic-class-memaccess
WARNINGS_ARE_ERRORS += -Wno-empty-body
endif
WARNING_FLAGS = -Wpointer-arith -Wsign-compare -Wundef -Wunused-function -Wformat=2
ifeq ($(USE_CLANG),)
# Since GCC 4.3, -Wconversion has changed its meanings to warn these implicit
# conversions which might affect the values. Only enable it in earlier versions.
ifeq "$(shell expr \( $(CC_VER_MAJOR) \> 4 \) \| \( \( $(CC_VER_MAJOR) = 4 \) \& \( $(CC_VER_MINOR) \>= 3 \) \))" "0"
WARNINGS_FLAGS += -Wconversion
endif
endif
CFLAGS_WARN/DEFAULT = $(WARNINGS_ARE_ERRORS) $(WARNING_FLAGS)
# Special cases
CFLAGS_WARN/BYFILE = $(CFLAGS_WARN/$@)$(CFLAGS_WARN/DEFAULT$(CFLAGS_WARN/$@))
# XXXDARWIN: for _dyld_bind_fully_image_containing_address
ifeq ($(OS_VENDOR), Darwin)
CFLAGS_WARN/os_bsd.o = $(CFLAGS_WARN/DEFAULT) -Wno-deprecated-declarations
endif
# optimization control flags (Used by fastdebug and release variants)
OPT_CFLAGS/NOOPT=-O0
OPT_CFLAGS/DEBUG=-O0
OPT_CFLAGS/SIZE=-Os
OPT_CFLAGS/SPEED=-O3
ifeq ($(OS_VENDOR), Darwin)
# use -Os by default, unless -O3 can be proved to be worth the cost, as per policy
# <https://wiki.openjdk.java.net/display/MacOSXPort/Compiler+Errata>
OPT_CFLAGS_DEFAULT ?= SIZE
else
OPT_CFLAGS_DEFAULT ?= SPEED
endif
# 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)) $(OPT_EXTRAS)
# The gcc compiler segv's on ia64 when compiling bytecodeInterpreter.cpp
# if we use expensive-optimizations
ifeq ($(BUILDARCH), ia64)
OPT_CFLAGS += -fno-expensive-optimizations
endif
# Work around some compiler bugs.
ifeq ($(USE_CLANG), true)
# Clang < 6 | <= 6.1 | <= 7.0
ifeq ($(shell expr \
$(CC_VER_MAJOR) \< 6 \| \
\( $(CC_VER_MAJOR) = 6 \& $(CC_VER_MINOR) \<= 1 \) \| \
\( $(CC_VER_MAJOR) = 7 \& $(CC_VER_MINOR) \<= 0 \) \
), 1)
OPT_CFLAGS/loopTransform.o += $(OPT_CFLAGS/NOOPT)
OPT_CFLAGS/unsafe.o += -O1
else
$(error "Update compiler workarounds for Clang $(CC_VER_MAJOR).$(CC_VER_MINOR)")
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.
DEPFLAGS = -MMD -MP -MF $(DEP_DIR)/$(@:%=%.d)
ifeq ($(USE_CLANG),)
ifneq ($(CC_VER_MAJOR), 2)
DEPFLAGS += -fpch-deps
endif
endif
# -DDONT_USE_PRECOMPILED_HEADER will exclude all includes in precompiled.hpp.
ifeq ($(USE_PRECOMPILED_HEADER),0)
CFLAGS += -DDONT_USE_PRECOMPILED_HEADER
endif
ifeq ($(OS_VENDOR), Darwin)
# Setting these parameters makes it an error to link to macosx APIs that are
# newer than the given OS version and makes the linked binaries compatible even
# if built on a newer version of the OS.
# The expected format is X.Y.Z
ifeq ($(MACOSX_VERSION_MIN),)
MACOSX_VERSION_MIN=10.7.0
endif
# The macro takes the version with no dots, ex: 1070
CFLAGS += -DMAC_OS_X_VERSION_MAX_ALLOWED=$(subst .,,$(MACOSX_VERSION_MIN)) \
-mmacosx-version-min=$(MACOSX_VERSION_MIN)
LDFLAGS += -mmacosx-version-min=$(MACOSX_VERSION_MIN)
endif
#------------------------------------------------------------------------
# Assembler flags
# Enforce prerpocessing of .s files
ASFLAGS += -x assembler-with-cpp
#------------------------------------------------------------------------
# Linker flags
# statically link libstdc++.so, work with gcc but ignored by g++
STATIC_STDCXX = -Wl,-Bstatic -lstdc++ -Wl,-Bdynamic
# Ensure use libstdc++ on clang, not libc++
ifeq ($(USE_CLANG), true)
LFLAGS += -stdlib=libstdc++
endif
ifeq ($(USE_CLANG),)
# statically link libgcc and/or libgcc_s, libgcc does not exist before gcc-3.x.
ifneq ($(CC_VER_MAJOR), 2)
STATIC_LIBGCC += -static-libgcc
endif
ifneq ($(OS_VENDOR), Darwin)
ifneq (, findstring(debug,$(BUILD_FLAVOR)))
# for relocations read-only
LFLAGS += -Xlinker -z -Xlinker relro
ifeq ($(BUILD_FLAVOR), debug)
# disable incremental relocations linking
LFLAGS += -Xlinker -z -Xlinker now
endif
endif
endif
ifeq ($(BUILDARCH), ia64)
LFLAGS += -Wl,-relax
endif
endif
# Use $(MAPFLAG:FILENAME=real_file_name) to specify a map file.
MAPFLAG = -Xlinker --version-script=FILENAME
#
# Shared Library
#
ifeq ($(OS_VENDOR), Darwin)
# Standard linker flags
LFLAGS +=
# The apple linker has its own variant of mapfiles/version-scripts
MAPFLAG = -Xlinker -exported_symbols_list -Xlinker FILENAME
# Use $(SONAMEFLAG:SONAME=soname) to specify the intrinsic name of a shared obj
SONAMEFLAG =
# Build shared library
SHARED_FLAG = -Wl,-install_name,@rpath/$(@F) -dynamiclib -compatibility_version 1.0.0 -current_version 1.0.0 $(VM_PICFLAG)
# Keep symbols even they are not used
#AOUT_FLAGS += -Xlinker -export-dynamic
else
# Enable linker optimization
LFLAGS += -Xlinker -O1
# Use $(SONAMEFLAG:SONAME=soname) to specify the intrinsic name of a shared obj
SONAMEFLAG = -Xlinker -soname=SONAME
# Build shared library
SHARED_FLAG = -shared $(VM_PICFLAG)
# Keep symbols even they are not used
AOUT_FLAGS += -Xlinker -export-dynamic
endif
#------------------------------------------------------------------------
# Debug flags
ifeq ($(USE_CLANG), true)
# Restrict the debug information created by Clang to avoid
# too big object files and speed the build up a little bit
# (see http://llvm.org/bugs/show_bug.cgi?id=7554)
CFLAGS += -flimit-debug-info
endif
# Allow no optimizations.
DEBUG_CFLAGS=-O0
# DEBUG_BINARIES uses full -g debug information for all configs
ifeq ($(DEBUG_BINARIES), true)
CFLAGS += -g
else
# 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.so is only about 16M.
# Change this back to "-g" if you want the most expressive format.
# (warning: that could easily inflate libjvm.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)),)
ifeq ($(USE_CLANG), true)
# Clang doesn't understand -gstabs
DEBUG_CFLAGS += -g
else
DEBUG_CFLAGS += -gstabs
endif
endif
ifeq ($(ENABLE_FULL_DEBUG_SYMBOLS),1)
FASTDEBUG_CFLAGS/ia64 = -g
FASTDEBUG_CFLAGS/amd64 = -g
FASTDEBUG_CFLAGS/arm = -g
FASTDEBUG_CFLAGS/ppc = -g
FASTDEBUG_CFLAGS += $(FASTDEBUG_CFLAGS/$(BUILDARCH))
ifeq ($(FASTDEBUG_CFLAGS/$(BUILDARCH)),)
ifeq ($(USE_CLANG), true)
# Clang doesn't understand -gstabs
FASTDEBUG_CFLAGS += -g
else
FASTDEBUG_CFLAGS += -gstabs
endif
endif
OPT_CFLAGS/ia64 = -g
OPT_CFLAGS/amd64 = -g
OPT_CFLAGS/arm = -g
OPT_CFLAGS/ppc = -g
OPT_CFLAGS += $(OPT_CFLAGS/$(BUILDARCH))
ifeq ($(OPT_CFLAGS/$(BUILDARCH)),)
ifeq ($(USE_CLANG), true)
# Clang doesn't understand -gstabs
OPT_CFLAGS += -g
else
OPT_CFLAGS += -gstabs
endif
endif
endif
endif
ifeq ($(USE_CLANG),)
# 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
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