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StaticLibs.gmk
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#
# Copyright (c) 2024, 2025, 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. Oracle designates this
# particular file as subject to the "Classpath" exception as provided
# by Oracle in the LICENSE file that accompanied this code.
#
# 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.
#
include MakeFileStart.gmk
################################################################################
include CopyFiles.gmk
include DebugInfoUtils.gmk
include Modules.gmk
include modules/LauncherCommon.gmk
include Execute.gmk
################################################################################
#
# Create the static java launcher
#
################################################################################
STATIC_JDK_IMAGE_DIR := $(IMAGES_OUTPUTDIR)/static-jdk
STATIC_LAUNCHER_OUTPUT_DIR := $(SUPPORT_OUTPUTDIR)/static-native/launcher
HOTSPOT_STATIC_LIB_PATH := $(HOTSPOT_OUTPUTDIR)/*/libjvm/objs/static
ifneq ($(word 2, $(wildcard $(HOTSPOT_STATIC_LIB_PATH))), )
$(error Cannot perform static linking when building more than one JVM library)
endif
# Find all modules with static libraries
STATIC_LIB_MODULES := $(patsubst $(SUPPORT_OUTPUTDIR)/modules_static-libs/%, \
%, $(wildcard $(SUPPORT_OUTPUTDIR)/modules_static-libs/*))
# Filter out known broken libraries. This is a temporary measure until
# proper support for these libraries can be provided.
ifeq ($(call isTargetOs, linux), true)
# libsplashscreen has a name conflict with libawt in the function
# BitmapToYXBandedRectangles, so we exclude it for now.
BROKEN_STATIC_LIBS += splashscreen
else ifeq ($(call isTargetOs, macosx), true)
# libosxsecurity has a name conflict with libosxapp in the function
# JavaStringToNSString, so we exclude it for now.
BROKEN_STATIC_LIBS += osxsecurity
else ifeq ($(call isTargetOs, windows), true)
# libsplashscreen has a name conflict with libawt in the function
# BitmapToYXBandedRectangles, so we exclude it for now.
BROKEN_STATIC_LIBS += splashscreen
# libsspi_bridge has name conflicts with sunmscapi
BROKEN_STATIC_LIBS += sspi_bridge
# dt_shmem define jdwpTransport_OnLoad which conflict with dt_socket
BROKEN_STATIC_LIBS += dt_shmem
else ifeq ($(call isTargetOs, aix), true)
# libsplashscreen has a name conflict with libawt in the function
# BitmapToYXBandedRectangles, so we exclude it for now.
BROKEN_STATIC_LIBS += splashscreen
endif
$(foreach module, $(STATIC_LIB_MODULES), \
$(eval LIBS_$(module) := $(filter-out $(BROKEN_STATIC_LIBS), $(shell cat \
$(SUPPORT_OUTPUTDIR)/modules_static-libs/$(module)/module-included-libs.txt))) \
)
STATIC_LIB_FILES := $(foreach module, $(STATIC_LIB_MODULES), \
$(foreach lib, $(LIBS_$(module)), \
$(SUPPORT_OUTPUTDIR)/native/$(module)/lib$(lib)/static/$(LIBRARY_PREFIX)$(lib)$(STATIC_LIBRARY_SUFFIX)))
# Add Hotspot
STATIC_LIB_FILES += $(wildcard $(HOTSPOT_STATIC_LIB_PATH)/$(LIBRARY_PREFIX)jvm$(STATIC_LIBRARY_SUFFIX))
# Figure out what external libraries are required to link these static JDK
# libraries.
LIB_FLAGS_FILES := $(addsuffix .lib-flags.txt, $(STATIC_LIB_FILES))
# Gather the lib flags from all individual libraries. There are many duplicates,
# so sort and just keep unique instances. On macOS, a common pattern is
# "-framework FooFramework", so we must make sure we keep the two words together.
EXTERNAL_LIBS := $(strip $(shell $(CAT) $(LIB_FLAGS_FILES) | \
$(SED) -e 's/-framework /-framework_/g' | $(TR) ' ' '\n' | $(SORT) -u | \
$(SED) -e 's/-framework_/-framework /g'))
ifeq ($(call isTargetOs, macosx), true)
STATIC_LIBS := $(addprefix -force_load$(SPACE), $(STATIC_LIB_FILES))
else ifeq ($(call isTargetOs, linux), true)
STATIC_LIBS := -Wl,--export-dynamic -Wl,--whole-archive $(STATIC_LIB_FILES) -Wl,--no-whole-archive
else ifeq ($(call isTargetOs, windows), true)
STATIC_LIBS := $(addprefix -wholearchive:, $(STATIC_LIB_FILES))
else ifeq ($(call isTargetOs, aix), true)
# on AIX we have to generate export files for all static libs, because we have no whole-archive linker flag
$(foreach lib, $(STATIC_LIB_FILES), \
$(eval $(call SetupExecute, generate_export_list_$(notdir $(lib)), \
INFO := Generating export list for $(notdir $(lib)), \
DEPS := $(lib), \
OUTPUT_FILE := $(lib).exp, \
COMMAND := ( $(AR) $(ARFLAGS) -w $(lib) | $(GREP) -v '^\.' | $(AWK) '{print $$1}' | $(SORT) -u > $(lib).exp ), \
)) \
$(eval STATIC_LIB_EXPORT_FILES += $(lib).exp) \
)
STATIC_LIBS := -Wl,-bexpfull $(STATIC_LIB_FILES) $(addprefix -Wl$(COMMA)-bE:, $(STATIC_LIB_EXPORT_FILES))
else
$(error Unsupported platform)
endif
$(eval $(call SetupBuildLauncher, java, \
ENABLE_ARG_FILES := true, \
EXPAND_CLASSPATH_WILDCARDS := true, \
EXTRA_RCFLAGS := $(JAVA_RCFLAGS), \
VERSION_INFO_RESOURCE := $(JAVA_VERSION_INFO_RESOURCE), \
OPTIMIZATION := HIGH, \
STATIC_LAUNCHER := true, \
LDFLAGS := $(LDFLAGS_STATIC_JDK), \
LIBS := $(STATIC_LIBS) $(EXTERNAL_LIBS), \
LINK_TYPE := C++, \
OUTPUT_DIR := $(STATIC_LAUNCHER_OUTPUT_DIR), \
OBJECT_DIR := $(STATIC_LAUNCHER_OUTPUT_DIR), \
))
$(java): $(STATIC_LIB_FILES)
ifeq ($(call isTargetOs, aix), true)
$(java): $(STATIC_LIB_EXPORT_FILES)
endif
TARGETS += $(java)
JAVA_LAUNCHER := $(BUILD_LAUNCHER_java_TARGET)
static-launcher: $(java)
################################################################################
#
# Create the static-jdk image with the statically built java launcher
#
################################################################################
# Until we get proper support in jlink for generating an image with static
# builds, we need to create the image ourselves. We base it on a normal
# dynamically linked JDK image.
# All these files/dirs should be copied as-is
JDK_IMAGE_COPY_FILES := $(addprefix $(JDK_IMAGE_DIR)/, conf demo include jmods \
legal man/man1/java.1 release README)
# We need to copy some files from lib, but not the dynamic libraries themselves
ALL_LIB_FILES := $(call FindFiles, $(JDK_IMAGE_DIR)/lib)
# Remove all dynamic libraries from the list
JDK_IMAGE_COPY_LIB_FILES := $(filter-out %$(SHARED_LIBRARY_SUFFIX), $(ALL_LIB_FILES))
# Remove all debug files from the list
ifeq ($(call isTargetOs, macosx), true)
JDK_IMAGE_COPY_LIB_FILES := $(call not-containing, .dSYM, $(JDK_IMAGE_COPY_LIB_FILES))
else
JDK_IMAGE_COPY_LIB_FILES := $(filter-out %.debuginfo %.pdb %.map, $(JDK_IMAGE_COPY_LIB_FILES))
endif
static-jdk-info:
$(call LogWarn, Creating static-jdk image)
$(eval $(call SetupCopyFiles, copy-from-jdk-image, \
SRC := $(JDK_IMAGE_DIR), \
DEST := $(STATIC_JDK_IMAGE_DIR), \
FILES := $(call FindFiles, $(JDK_IMAGE_COPY_FILES)) \
$(JDK_IMAGE_COPY_LIB_FILES), \
))
TARGETS += $(copy-from-jdk-image)
$(copy-from-jdk-image): | static-jdk-info
$(eval $(call SetupCopyFiles, copy-static-launcher, \
FILES := $(JAVA_LAUNCHER), \
DEST := $(STATIC_JDK_IMAGE_DIR)/bin, \
))
TARGETS += $(copy-static-launcher)
$(eval $(call SetupCopyFiles, copy-static-launcher-debuginfo, \
SRC := $(STATIC_LAUNCHER_OUTPUT_DIR), \
DEST := $(STATIC_JDK_IMAGE_DIR)/bin, \
FILES := $(call FindDebuginfoFiles, $(STATIC_LAUNCHER_OUTPUT_DIR)), \
))
TARGETS += $(copy-static-launcher-debuginfo)
static-jdk-image: $(copy-from-jdk-image) $(copy-static-launcher) $(copy-static-launcher-debuginfo)
TARGETS += static-jdk-image
.PHONY: static-launcher static-jdk-image
################################################################################
include MakeFileEnd.gmk