/
rules.linux.mk
455 lines (412 loc) · 12.5 KB
/
rules.linux.mk
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###############################################################################
# Copyright (c) 2015, 2021 IBM Corp. and others
#
# This program and the accompanying materials are made available under
# the terms of the Eclipse Public License 2.0 which accompanies this
# distribution and is available at https://www.eclipse.org/legal/epl-2.0/
# or the Apache License, Version 2.0 which accompanies this distribution and
# is available at https://www.apache.org/licenses/LICENSE-2.0.
#
# This Source Code may also be made available under the following
# Secondary Licenses when the conditions for such availability set
# forth in the Eclipse Public License, v. 2.0 are satisfied: GNU
# General Public License, version 2 with the GNU Classpath
# Exception [1] and GNU General Public License, version 2 with the
# OpenJDK Assembly Exception [2].
#
# [1] https://www.gnu.org/software/classpath/license.html
# [2] http://openjdk.java.net/legal/assembly-exception.html
#
# SPDX-License-Identifier: EPL-2.0 OR Apache-2.0 OR GPL-2.0 WITH Classpath-exception-2.0 OR LicenseRef-GPL-2.0 WITH Assembly-exception
###############################################################################
###
### Helpers
###
ifeq (s390,$(OMR_HOST_ARCH))
ifeq (0,$(OMR_ENV_DATA64))
J9M31:=-m31
endif
endif
## Header File Dependencies
ifeq (gcc,$(OMR_TOOLCHAIN))
ifneq (,$(filter riscv x86,$(OMR_HOST_ARCH)))
#-- GCC compilers support dependency generation --
GLOBAL_CFLAGS+=-MMD -MP
GLOBAL_CXXFLAGS+=-MMD -MP
endif
endif
###
### Global Flags
###
GLOBAL_CPPFLAGS += -DLINUX -D_REENTRANT -D_FILE_OFFSET_BITS=64
ifeq (gcc,$(OMR_TOOLCHAIN))
GLOBAL_CFLAGS+=-fno-strict-aliasing
GLOBAL_CXXFLAGS+=-fno-strict-aliasing -std=c++0x
endif
ifeq (xlc,$(OMR_TOOLCHAIN))
GLOBAL_CXXFLAGS+= -qlanglvl=extended0x
endif
ifeq (s390,$(OMR_HOST_ARCH))
GLOBAL_CXXFLAGS+=$(J9M31)
GLOBAL_CFLAGS+=$(J9M31)
GLOBAL_LDFLAGS+=$(J9M31)
endif
ifeq (ppc,$(OMR_HOST_ARCH))
ifeq (xlc,$(OMR_TOOLCHAIN))
ifeq ($(OMR_ENV_DATA64),1)
GLOBAL_LDFLAGS+=-q64
endif
endif
endif
# Compile without exceptions
ifeq (gcc,$(OMR_TOOLCHAIN))
ifeq (1,$(OMR_RTTI))
GLOBAL_CXXFLAGS+=-fno-exceptions -fno-threadsafe-statics
else
GLOBAL_CXXFLAGS+=-fno-exceptions -fno-rtti -fno-threadsafe-statics
endif
else
ifeq (1,$(OMR_RTTI))
GLOBAL_CXXFLAGS+=-qrtti -qnoeh
else
GLOBAL_CXXFLAGS+=-qnortti -qnoeh
endif
endif
## Position Independent compile flag
ifeq (gcc,$(OMR_TOOLCHAIN))
ifeq (ppc,$(OMR_HOST_ARCH))
# Used for GOT's under 4k, should we just go -fPIC for everyone?
GLOBAL_CFLAGS+=-fpic
GLOBAL_CXXFLAGS+=-fpic
else
ifeq (x86,$(OMR_HOST_ARCH))
ifeq (1,$(OMR_ENV_DATA64))
GLOBAL_CFLAGS+=-fPIC
GLOBAL_CXXFLAGS+=-fPIC
else
GLOBAL_CFLAGS+=-fpic
GLOBAL_CXXFLAGS+=-fpic
endif
else
GLOBAL_CFLAGS+=-fPIC
GLOBAL_CXXFLAGS+=-fPIC
endif
endif
else
GLOBAL_CFLAGS+=-qpic=large
GLOBAL_CXXFLAGS+=-qpic=large
endif
## ASFLAGS
# xlc on ppc does not actually understand this
# option, it is silently ignored.
GLOBAL_ASFLAGS+=-noexecstack
ARM_ARCH_FLAGS=-march=armv6 -marm -mfpu=vfp -mfloat-abi=hard
ifeq (ppc,$(OMR_HOST_ARCH))
ifeq (gcc,$(OMR_TOOLCHAIN))
ifeq (1,$(OMR_ENV_DATA64))
GLOBAL_ASFLAGS+=-a64 -mppc64
else
GLOBAL_ASFLAGS+=-a32 -mppc64
endif
else
GLOBAL_ASFLAGS+=-c -o $*.o -qpic=large
ifeq (1,$(OMR_ENV_DATA64))
GLOBAL_ASFLAGS+=-q64
ifeq ($(OMR_ENV_LITTLE_ENDIAN),1)
GLOBAL_ASFLAGS+=-qarch=pwr7
else
GLOBAL_ASFLAGS+=-qarch=ppc64
endif
else
GLOBAL_ASFLAGS+=-qarch=ppc
endif
endif
else
ifeq (s390,$(OMR_HOST_ARCH))
ifeq (0,$(OMR_ENV_DATA64))
GLOBAL_ASFLAGS+= -mzarch
endif
GLOBAL_ASFLAGS+= -march=z9-109 $(J9M31) -o $*.o
else
ifeq (x86,$(OMR_HOST_ARCH))
ifeq (0,$(OMR_ENV_DATA64))
GLOBAL_ASFLAGS+=-32
else
GLOBAL_ASFLAGS+=-64
endif
else
ifeq (arm,$(OMR_HOST_ARCH))
GLOBAL_ASFLAGS+=$(ARM_ARCH_FLAGS)
else ifeq (aarch64,$(OMR_HOST_ARCH))
GLOBAL_ASFLAGS+=-march=armv8-a+simd
else
# Nothing
endif
endif
endif
endif
###
### Platform Flags
###
## Debugging Information
# Indicate that GNU debug symbols are being used
ifeq (gcc,$(OMR_TOOLCHAIN))
ifneq (,$(filter aarch64 arm ppc riscv s390 x86,$(OMR_HOST_ARCH)))
USE_GNU_DEBUG:=1
endif
endif
ifeq (1,$(OMR_DEBUG))
ifeq (1,$(USE_GNU_DEBUG))
GLOBAL_ASFLAGS+=-ggdb
GLOBAL_CXXFLAGS+=-ggdb
GLOBAL_CFLAGS+=-ggdb
GLOBAL_LDFLAGS+=-ggdb
else
GLOBAL_ASFLAGS+=-g
GLOBAL_CXXFLAGS+=-g
GLOBAL_CFLAGS+=-g
GLOBAL_LDFLAGS+=-g
endif
endif
#-- Add Platform flags
ifeq (x86,$(OMR_HOST_ARCH))
ifeq (1,$(OMR_ENV_DATA64))
GLOBAL_CFLAGS+= -m64
GLOBAL_CXXFLAGS+=-m64
GLOBAL_CPPFLAGS+=-DJ9HAMMER
else
GLOBAL_CFLAGS+=-m32 -msse2
GLOBAL_CXXFLAGS+=-m32 -msse2 -I/usr/include/nptl
GLOBAL_CPPFLAGS+=-DJ9X86
endif
else ifeq (riscv,$(OMR_HOST_ARCH))
GLOBAL_CFLAGS +=-DRISCV
GLOBAL_CXXFLAGS+=-DRISCV
GLOBAL_CPPFLAGS+=-DRISCV
ifeq (1,$(OMR_ENV_DATA64))
GLOBAL_CFLAGS +=-DRISCV64
GLOBAL_CXXFLAGS+=-DRISCV64
GLOBAL_CPPFLAGS+=-DRISCV64
else
GLOBAL_CFLAGS +=-DRISCV32
GLOBAL_CXXFLAGS+=-DRISCV32
GLOBAL_CPPFLAGS+=-DRISCV32
endif
else ifeq (aarch64,$(OMR_HOST_ARCH))
GLOBAL_CFLAGS+=-march=armv8-a+simd -Wno-unused-but-set-variable
GLOBAL_CXXFLAGS+=-march=armv8-a+simd -Wno-unused-but-set-variable
GLOBAL_CPPFLAGS+=-DJ9AARCH64 -DAARCH64 -DFIXUP_UNALIGNED -Wno-unused-but-set-variable
else
ifeq (arm,$(OMR_HOST_ARCH))
GLOBAL_CFLAGS+=$(ARM_ARCH_FLAGS) -Wno-unused-but-set-variable
GLOBAL_CPPFLAGS+=-DJ9ARM -DARMGNU -DARM -DFIXUP_UNALIGNED $(ARM_ARCH_FLAGS) -Wno-unused-but-set-variable
else
ifeq (ppc,$(OMR_HOST_ARCH))
GLOBAL_CPPFLAGS+=-DLINUXPPC
ifeq (gcc,$(OMR_TOOLCHAIN))
ifeq (1,$(OMR_ENV_DATA64))
GLOBAL_CFLAGS+=-m64
GLOBAL_CXXFLAGS+=-m64
GLOBAL_CPPFLAGS+=-DLINUXPPC64 -DPPC64
else
GLOBAL_CFLAGS+=-m32
GLOBAL_CXXFLAGS+=-m32
endif
else
GLOBAL_CFLAGS+=-qalias=noansi -qxflag=LTOL:LTOL0 -qxflag=selinux
GLOBAL_CXXFLAGS+=-qalias=noansi -qxflag=LTOL:LTOL0 -qxflag=selinux -qsuppress=1540-1087:1540-1088:1540-1090
ifeq (1,$(OMR_ENV_DATA64))
ifeq ($(OMR_ENV_LITTLE_ENDIAN),1)
GLOBAL_CFLAGS+=-qarch=pwr7
GLOBAL_CXXFLAGS+=-qarch=pwr7
else
GLOBAL_CFLAGS+=-qarch=ppc64
GLOBAL_CXXFLAGS+=-qarch=ppc64
endif # endian
GLOBAL_CFLAGS+=-q64
GLOBAL_CXXFLAGS+=-q64
GLOBAL_CPPFLAGS+=-DLINUXPPC64 -DPPC64
else
GLOBAL_CFLAGS+=-qarch=ppc
GLOBAL_CXXFLAGS+=-qarch=ppc
endif # proc size
endif # cc type
else
ifeq (s390,$(OMR_HOST_ARCH))
GLOBAL_CFLAGS+=$(J9M31) -fno-strict-aliasing
GLOBAL_CXXFLAGS+=$(J9M31) -fno-strict-aliasing
GLOBAL_CPPFLAGS+=-DS390 -D_LONG_LONG
ifeq (1,$(OMR_ENV_DATA64))
GLOBAL_CPPFLAGS+=-DS39064
endif
endif
endif
endif
endif
ifneq (,$(findstring executable,$(ARTIFACT_TYPE)))
ifeq (x86,$(OMR_HOST_ARCH))
ifeq (1,$(OMR_ENV_DATA64))
else
GLOBAL_LDFLAGS+=-m32
endif
endif
## Default Libraries
DEFAULT_LIBS:=-lm -lpthread -lc -lrt -ldl -lutil -Wl,-z,origin,-rpath,\$$ORIGIN,--disable-new-dtags,-rpath-link,$(top_srcdir)
GLOBAL_LDFLAGS+=$(DEFAULT_LIBS)
endif
###
### Shared Libraries
###
ifneq (,$(findstring shared,$(ARTIFACT_TYPE)))
## Export File
# All linux based toolchains use gcc style linker version scripts. This
# includes xlc. The default rules create a gcc style version script.
$(MODULE_NAME)_LINKER_EXPORT_SCRIPT := $(MODULE_NAME).exp
ifeq (xlc,$(OMR_TOOLCHAIN))
ifeq ($(OMR_ENV_DATA64),1)
GLOBAL_LDFLAGS+=-q64
endif
GLOBAL_LDFLAGS+=-qmkshrobj -qxflag=selinux -Wl,-Map=$(MODULE_NAME).map
GLOBAL_LDFLAGS+=-Wl,-soname=$(LIBPREFIX)$(MODULE_NAME)$(SOLIBEXT),--version-script=$($(MODULE_NAME)_LINKER_EXPORT_SCRIPT)
# UMA_DLL_LINK_POSTFLAGS+=-Wl,--start-group $(UMA_LINK_STATIC_LIBRARIES) -Wl,--end-group
# UMA_DLL_LINK_POSTFLAGS+=$(UMA_LINK_SHARED_LIBRARIES)
GLOBAL_LDFLAGS+=-lm -lpthread -lc -Wl,-z,origin,-rpath,\$$ORIGIN,--disable-new-dtags,-rpath-link,$(exe_output_dir)
else
# assuming a gcc environment
GLOBAL_LDFLAGS+=-shared
GLOBAL_LDFLAGS+=-Wl,-Map=$(MODULE_NAME).map
GLOBAL_LDFLAGS+=-Wl,--version-script,$($(MODULE_NAME)_LINKER_EXPORT_SCRIPT)
GLOBAL_LDFLAGS+=-Wl,-soname=lib$(MODULE_NAME)$(SOLIBEXT)
GLOBAL_LDFLAGS+=-Xlinker -z -Xlinker origin -Xlinker -rpath -Xlinker \$$ORIGIN -Xlinker --disable-new-dtags
ifeq (s390,$(OMR_HOST_ARCH))
GLOBAL_LDFLAGS+=-Xlinker -rpath-link -Xlinker $(exe_output_dir)
endif
ifeq ($(OMR_HOST_ARCH),x86)
ifneq ($(OMR_ENV_DATA64),1)
GLOBAL_LDFLAGS+=-m32
else
GLOBAL_LDFLAGS+=-m64
endif
endif
ifeq ($(OMR_HOST_ARCH),ppc)
ifeq ($(OMR_ENV_DATA64),1)
GLOBAL_LDFLAGS+=-m64
else
GLOBAL_LDFLAGS+=-m32
endif
endif
ifneq (,$(filter riscv x86,$(OMR_HOST_ARCH)))
ifneq ($(OMR_ENV_DATA64),1)
GLOBAL_LDFLAGS+=-lc -lm -ldl
else
ifneq (,$(findstring CXX,$(ARTIFACT_TYPE)))
GLOBAL_LDFLAGS+=-lc
endif
GLOBAL_LDFLAGS+=-lm
endif
endif
endif # OMR_TOOLCHAIN is not "xlc"
endif # ARTIFACT_TYPE contains "shared"
###
### Warning As Errors
###
ifeq ($(OMR_WARNINGS_AS_ERRORS),1)
ifeq (ppc,$(OMR_HOST_ARCH))
ifeq (gcc,$(OMR_TOOLCHAIN))
GLOBAL_CFLAGS += -Wreturn-type -Werror
GLOBAL_CXXFLAGS += -Wreturn-type -Werror
else
GLOBAL_CFLAGS += -qhalt=w
GLOBAL_CXXFLAGS += -qhalt=w
endif
else
GLOBAL_CFLAGS+=-Wimplicit -Wreturn-type -Werror
GLOBAL_CXXFLAGS+=-Wreturn-type -Werror
endif
endif
###
### Enhanced Warnings
###
ifeq ($(OMR_ENHANCED_WARNINGS),1)
ifneq (ppc,$(OMR_HOST_ARCH))
GLOBAL_CFLAGS+=-Wall
GLOBAL_CXXFLAGS+=-Wall -Wno-non-virtual-dtor
endif
endif
###
### Optimization Flags
###
ifeq ($(OMR_OPTIMIZE),1)
ifeq (x86,$(OMR_HOST_ARCH))
ifeq ($(OMR_ENV_DATA64),1)
OPTIMIZATION_FLAGS+=-O3 -fno-strict-aliasing
else
OPTIMIZATION_FLAGS+=-O3 -fno-strict-aliasing -march=pentium4 -mtune=prescott
endif
else
ifeq (arm,$(OMR_HOST_ARCH))
OPTIMIZATION_FLAGS+=-O3 -fno-strict-aliasing
else ifeq (aarch64,$(OMR_HOST_ARCH))
# TODO:AARCH64 Do not optimize just yet. we need debugging support until we are assured this run
OPTIMIZATION_FLAGS+=-O3 -fno-strict-aliasing
else
ifeq (ppc,$(OMR_HOST_ARCH))
OPTIMIZATION_FLAGS+=-O3
ifeq ($(OMR_ENV_LITTLE_ENDIAN),1)
OPTIMIZATION_FLAGS+=-U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=1
ifeq (xlc,$(OMR_TOOLCHAIN))
OPTIMIZATION_FLAGS+=-qsimd=noauto
endif
endif
else
ifeq (s390,$(OMR_HOST_ARCH))
OPTIMIZATION_FLAGS+=-O3 -mtune=z10 -march=z9-109 -mzarch
else ifeq (riscv,$(OMR_HOST_ARCH))
OPTIMIZATION_FLAGS+=-O3 -fno-strict-aliasing
else
OPTIMIZATION_FLAGS+=-O
endif
endif
endif
endif
else
OPTIMIZATION_FLAGS+=-O0
endif
GLOBAL_CFLAGS+=$(OPTIMIZATION_FLAGS)
GLOBAL_CXXFLAGS+=$(OPTIMIZATION_FLAGS)
# Override the default recipe if we are using USE_GNU_DEBUG, so that we strip out the
# symbols and store them seperately.
ifneq (,$(findstring shared,$(ARTIFACT_TYPE)))
ifeq (1,$(OMR_DEBUG))
ifeq (1,$(USE_GNU_DEBUG))
define LINK_C_SHARED_COMMAND
$(CCLINKSHARED) -o $@ $(OBJECTS) $(LDFLAGS) $(MODULE_LDFLAGS) $(GLOBAL_LDFLAGS)
$(OBJCOPY) --only-keep-debug $@ $(@:$(SOLIBEXT)=.debuginfo)
$(OBJCOPY) --strip-debug $@
$(OBJCOPY) --add-gnu-debuglink=$(@:$(SOLIBEXT)=.debuginfo) $@
endef
define LINK_CXX_SHARED_COMMAND
$(CXXLINKSHARED) -o $@ $(OBJECTS) $(LDFLAGS) $(MODULE_LDFLAGS) $(GLOBAL_LDFLAGS)
$(OBJCOPY) --only-keep-debug $@ $(@:$(SOLIBEXT)=.debuginfo)
$(OBJCOPY) --strip-debug $@
$(OBJCOPY) --add-gnu-debuglink=$(@:$(SOLIBEXT)=.debuginfo) $@
endef
## Files to clean
CLEAN_FILES=$(OBJECTS) $(OBJECTS:$(OBJEXT)=.i) *.d
CLEAN_FILES+=$($(MODULE_NAME)_shared:$(SOLIBEXT)=.debuginfo) $(MODULE_NAME).map
define CLEAN_COMMAND
-$(RM) $(CLEAN_FILES)
endef
endif # USE_GNU_DEBUG
endif # OMR_DEBUG
endif # ARTIFACT_TYPE contains "shared"
###
###
###
# include *.d files generated by the compiler
DEPS := $(OBJECTS:$(OBJEXT)=.d)
show_deps :
@echo "Dependencies are: $(DEPS)"
ifneq ($(DEPS),)
-include $(DEPS)
endif