1 # 2 # Copyright (c) 2011, 2018, Oracle and/or its affiliates. All rights reserved. 3 # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 # 5 # This code is free software; you can redistribute it and/or modify it 6 # under the terms of the GNU General Public License version 2 only, as 7 # published by the Free Software Foundation. Oracle designates this 8 # particular file as subject to the "Classpath" exception as provided 9 # by Oracle in the LICENSE file that accompanied this code. 10 # 11 # This code is distributed in the hope that it will be useful, but WITHOUT 12 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 # FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 # version 2 for more details (a copy is included in the LICENSE file that 15 # accompanied this code). 16 # 17 # You should have received a copy of the GNU General Public License version 18 # 2 along with this work; if not, write to the Free Software Foundation, 19 # Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 # 21 # Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 # or visit www.oracle.com if you need additional information or have any 23 # questions. 24 # 25 26 include JdkNativeCompilation.gmk 27 28 # Hook to include the corresponding custom file, if present. 29 $(eval $(call IncludeCustomExtension, lib/LibCommon.gmk)) 30 31 ################################################################################ 32 33 GLOBAL_VERSION_INFO_RESOURCE := $(TOPDIR)/src/java.base/windows/native/common/version.rc 34 35 # Absolute paths to lib files on windows for use in LIBS. Should figure out a more 36 # elegant solution to this. 37 WIN_JAVA_LIB := $(SUPPORT_OUTPUTDIR)/native/java.base/libjava/java.lib 38 39 # Tell the compiler not to export any functions unless declared so in 40 # the source code. On Windows, this is the default and cannot be changed. 41 # On Mac, we have always exported all symbols, probably due to oversight 42 # and/or misunderstanding. To emulate this, don't hide any symbols 43 # by default. 44 # On AIX/xlc we need at least xlc 13.1 for the symbol hiding 45 # Also provide an override for non-conformant libraries. 46 ifeq ($(TOOLCHAIN_TYPE), gcc) 47 CFLAGS_JDKLIB += -fvisibility=hidden 48 CXXFLAGS_JDKLIB += -fvisibility=hidden 49 LDFLAGS_JDKLIB += -Wl,--exclude-libs,ALL 50 EXPORT_ALL_SYMBOLS := -fvisibility=default 51 else ifeq ($(TOOLCHAIN_TYPE), clang) 52 ifneq ($(OPENJDK_TARGET_OS), macosx) 53 CFLAGS_JDKLIB += -fvisibility=hidden 54 CXXFLAGS_JDKLIB += -fvisibility=hidden 55 EXPORT_ALL_SYMBOLS := -fvisibility=default 56 endif 57 else ifeq ($(TOOLCHAIN_TYPE), solstudio) 58 CFLAGS_JDKLIB += -xldscope=hidden 59 CXXFLAGS_JDKLIB += -xldscope=hidden 60 EXPORT_ALL_SYMBOLS := -xldscope=global 61 else ifeq ($(TOOLCHAIN_TYPE), xlc) 62 ifneq ($(CC_VERSION_NUMBER), 12.1) 63 CFLAGS_JDKLIB += -qvisibility=hidden 64 CXXFLAGS_JDKLIB += -qvisibility=hidden 65 EXPORT_ALL_SYMBOLS := -qvisibility=default 66 endif 67 endif 68 69 ################################################################################ 70 # Find the default set of src dirs for a native library. 71 # Param 1 - module name 72 # Param 2 - library name 73 FindSrcDirsForLib += \ 74 $(call uniq, $(wildcard \ 75 $(TOPDIR)/src/$(strip $1)/$(OPENJDK_TARGET_OS)/native/lib$(strip $2) \ 76 $(TOPDIR)/src/$(strip $1)/$(OPENJDK_TARGET_OS_TYPE)/native/lib$(strip $2) \ 77 $(TOPDIR)/src/$(strip $1)/share/native/lib$(strip $2))) 78 79 ################################################################################ 80 # Find a library 81 # Param 1 - module name 82 # Param 2 - library name 83 # Param 3 - optional subdir for library 84 FindLib = \ 85 $(call FindLibDirForModule, \ 86 $(strip $1))$(strip $3)/$(LIBRARY_PREFIX)$(strip $2)$(SHARED_LIBRARY_SUFFIX) 87 88 ################################################################################ 89 # Find a static library 90 # Param 1 - module name 91 # Param 2 - library name 92 # Param 3 - optional subdir for library 93 FindStaticLib = \ 94 $(addprefix $(SUPPORT_OUTPUTDIR)/native/, \ 95 $(strip $1)$(strip $3)/$(LIBRARY_PREFIX)$(strip $2)$(STATIC_LIBRARY_SUFFIX)) 96 97 ################################################################################ 98 # Define the header include flags needed to compile against it. 99 LIBJAVA_HEADER_FLAGS := $(addprefix -I, $(call FindSrcDirsForLib, java.base, java)) 100 101 # Put the libraries here. 102 INSTALL_LIBRARIES_HERE := $(call FindLibDirForModule, $(MODULE)) 103 104 ################################################################################