xref: /openjdk10/make/CreateJmods.gmk

# Copyright (c) 2014, 2016, 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.
#

default: all

include $(SPEC)
include MakeBase.gmk
include Modules.gmk

ifeq ($(MODULE), )
  $(error MODULE must be set when calling CreateJmods.gmk)
endif

################################################################################

JMODS_DIR := $(IMAGES_OUTPUTDIR)/jmods
JMODS_TEMPDIR := $(SUPPORT_OUTPUTDIR)/jmods

LIBS_DIR := $(firstword $(wildcard $(addsuffix /$(MODULE), \
    $(SUPPORT_OUTPUTDIR)/modules_libs $(IMPORT_MODULES_LIBS))))
CMDS_DIR := $(firstword $(wildcard $(addsuffix /$(MODULE), \
    $(SUPPORT_OUTPUTDIR)/modules_cmds $(IMPORT_MODULES_CMDS))))
CONF_DIR := $(firstword $(wildcard $(addsuffix /$(MODULE), \
    $(SUPPORT_OUTPUTDIR)/modules_conf $(IMPORT_MODULES_CONF))))
CLASSES_DIR := $(wildcard $(JDK_OUTPUTDIR)/modules/$(MODULE))
INCLUDE_HEADERS_DIR := $(firstword $(wildcard $(addsuffix /$(MODULE), \
    $(SUPPORT_OUTPUTDIR)/modules_include $(IMPORT_MODULES_INCLUDE_HEADERS))))
MAN_DIR := $(firstword $(wildcard $(addsuffix /$(MODULE), \
    $(SUPPORT_OUTPUTDIR)/modules_man $(IMPORT_MODULES_MAN))))

$(eval $(call FillCacheFind, \
    $(LIBS_DIR) $(CMDS_DIR) $(CONF_DIR) $(CLASSES_DIR) \
))

ifneq ($(LIBS_DIR), )
  JMOD_FLAGS += --libs $(LIBS_DIR)
  DEPS += $(call CacheFind, $(LIBS_DIR))
endif
ifneq ($(CMDS_DIR), )
  JMOD_FLAGS += --cmds $(CMDS_DIR)
  DEPS += $(call CacheFind, $(CMDS_DIR))
endif
ifneq ($(CONF_DIR), )
  JMOD_FLAGS += --config $(CONF_DIR)
  DEPS += $(call CacheFind, $(CONF_DIR))
endif
ifneq ($(CLASSES_DIR), )
  JMOD_FLAGS += --class-path $(CLASSES_DIR)
  DEPS += $(call CacheFind, $(CLASSES_DIR))
endif
ifneq ($(INCLUDE_HEADERS_DIR), )
  JMOD_FLAGS += --header-files $(INCLUDE_HEADERS_DIR)
  DEPS += $(call CacheFind, $(INCLUDE_HEADERS_DIR))
endif
ifneq ($(MAN_DIR), )
  JMOD_FLAGS += --man-pages $(MAN_DIR)
  DEPS += $(call CacheFind, $(MAN_DIR))
endif

# Add dependencies on other jmod files. Only java.base needs access to other
# jmods.
ifeq ($(MODULE), java.base)
  # When creating a BUILDJDK, we don't need to add hashes to java.base
  ifneq ($(CREATING_BUILDJDK), true)
    # When creating interim versions of jmods, skip hashes
    ifneq ($(INTERIM_JMOD), true)
      ALL_UPGRADEABLE_MODULES := $(call FindAllUpgradeableModules)
      DEPS += $(patsubst %, $(JMODS_DIR)/%.jmod, \
          $(filter-out java.base $(ALL_UPGRADEABLE_MODULES), $(call FindAllModules)))

      EXCLUDE_PATTERN := $(strip $(subst $(SPACE),|,$(strip $(ALL_UPGRADEABLE_MODULES))))

      JMOD_FLAGS += --module-path $(JMODS_DIR) \
          --hash-modules '^(?!$(EXCLUDE_PATTERN))'
    endif
  endif
endif

# Changes to the jmod tool itself should also trigger a rebuild of all jmods.
# The variable JMOD_CMD could contain an environment variable assignment before
# the actual command. Filter that out using wildcard before adding to DEPS.
DEPS += $(wildcard $(JMOD_CMD))
ifeq ($(EXTERNAL_BUILDJDK), false)
  DEPS += $(call CacheFind, $(JDK_OUTPUTDIR)/modules/jdk.jlink/jdk/tools/jmod)
endif

# If creating interim versions of jmods, certain files need to be filtered out
# to avoid false incremental rebuilds.
ifeq ($(INTERIM_JMOD), true)
  DEPS := $(filter-out $(SUPPORT_OUTPUTDIR)/modules_libs/java.base/classlist, $(DEPS))
endif

# TODO: What about headers?
# Create jmods in a temp dir and then move them into place to keep the
# module path in $(IMAGES_OUTPUTDIR)/jmods valid at all times.
$(JMODS_DIR)/$(MODULE).jmod: $(DEPS)
	$(call LogWarn, Creating $(patsubst $(OUTPUT_ROOT)/%, %, $@))
	$(call MakeDir, $(JMODS_DIR) $(JMODS_TEMPDIR))
	$(RM) $@ $(JMODS_TEMPDIR)/$(notdir $@)
	$(JMOD) create \
            --module-version $(VERSION_SHORT) \
            --os-name $(REQUIRED_OS_NAME) \
            --os-arch $(OPENJDK_TARGET_CPU_LEGACY) \
            --os-version $(REQUIRED_OS_VERSION) \
            --module-path $(JMODS_DIR) \
	    --exclude '**{_the.*,*.diz,*.debuginfo,*.dSYM/**,*.dSYM,*.pdb,*.map}' \
	    $(JMOD_FLAGS) $(JMODS_TEMPDIR)/$(notdir $@)
	$(MV) $(JMODS_TEMPDIR)/$(notdir $@) $@

TARGETS += $(JMODS_DIR)/$(MODULE).jmod

################################################################################

all: $(TARGETS)

################################################################################