8141132: JEP 254: Compact Strings
Summary: Adopt a more space-efficient internal representation for strings.
Reviewed-by: alanb, bdelsart, coleenp, iklam, jiangli, jrose, kevinw, naoto, pliden, roland, smarks, twisti
Contributed-by: Brent Christian <brent.christian@oracle.com>, Vivek Deshpande <vivek.r.deshpande@intel.com>, Tobias Hartmann <tobias.hartmann@oracle.com>, Charlie Hunt <charlie.hunt@oracle.com>, Vladimir Kozlov <vladimir.kozlov@oracle.com>, Roger Riggs <roger.riggs@oracle.com>, Xueming Shen <xueming.shen@oracle.com>, Aleksey Shipilev <aleksey.shipilev@oracle.com>, Sandhya Viswanathan <sandhya.viswanathan@intel.com>
## Copyright (c) 2011, 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. 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 LibCommon.gmk################################################################################ifeq ($(OPENJDK_TARGET_OS), macosx) LIBPREF_SRC_DIRS := $(JDK_TOPDIR)/src/java.prefs/macosx/native/libprefselse LIBPREF_SRC_DIRS := $(JDK_TOPDIR)/src/java.prefs/$(OPENJDK_TARGET_OS_TYPE)/native/libprefsendif$(eval $(call SetupNativeCompilation,BUILD_LIBPREFS, \ LIBRARY := prefs, \ OUTPUT_DIR := $(INSTALL_LIBRARIES_HERE), \ SRC := $(LIBPREF_SRC_DIRS), \ OPTIMIZATION := HIGH, \ CFLAGS := $(CFLAGS_JDKLIB) $(addprefix -I, $(LIBPREF_SRC_DIRS)) \ $(LIBJAVA_HEADER_FLAGS), \ MAPFILE := $(JDK_TOPDIR)/make/mapfiles/libprefs/mapfile-vers, \ LDFLAGS := $(LDFLAGS_JDKLIB) \ $(call SET_SHARED_LIBRARY_ORIGIN), \ LIBS_unix := -ljvm, \ LIBS_linux := -ljava, \ LIBS_solaris := -ljava -lc, \ LIBS_aix := -ljava, \ LIBS_macosx := -framework CoreFoundation -framework Foundation, \ LIBS_windows := advapi32.lib jvm.lib $(WIN_JAVA_LIB), \ VERSIONINFO_RESOURCE := $(GLOBAL_VERSION_INFO_RESOURCE), \ RC_FLAGS := $(RC_FLAGS) \ -D "JDK_FNAME=prefs.dll" \ -D "JDK_INTERNAL_NAME=prefs" \ -D "JDK_FTYPE=0x2L", \ OBJECT_DIR := $(SUPPORT_OUTPUTDIR)/native/$(MODULE)/libprefs, \ DEBUG_SYMBOLS := $(DEBUG_ALL_BINARIES)))$(BUILD_LIBPREFS): $(call FindLib, java.base, java)TARGETS += $(BUILD_LIBPREFS)################################################################################