make/common/modules/LibCommon.gmk - master - githubmirror/jdk21u-dev

make/common/modules/LibCommon.gmk
55 строк2 KB
Daniel Jeliński
8299260: libawt and libfreetype should export only explicitly requested symbols
30 дек 2022, 09:40
30 дек 2022, 09:40684e506
#
# Copyright (c) 2011, 2022, 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 JdkNativeCompilation.gmk

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

# Absolute paths to lib files on windows for use in LIBS. Should figure out a more
# elegant solution to this.
WIN_JAVA_LIB := $(SUPPORT_OUTPUTDIR)/native/java.base/libjava/java.lib

# Tell the compiler not to export any functions unless declared so in
# the source code. On Windows, this is the default and cannot be changed.
# On Mac, we have always exported all symbols, probably due to oversight
# and/or misunderstanding. To emulate this, don't hide any symbols
# by default.
# Also provide an override for non-conformant libraries.
ifeq ($(TOOLCHAIN_TYPE), gcc)
  CFLAGS_JDKLIB += -fvisibility=hidden
  CXXFLAGS_JDKLIB += -fvisibility=hidden
  LDFLAGS_JDKLIB += -Wl,--exclude-libs,ALL
else ifeq ($(TOOLCHAIN_TYPE), clang)
  CFLAGS_JDKLIB += -fvisibility=hidden
  CXXFLAGS_JDKLIB += -fvisibility=hidden
else ifeq ($(TOOLCHAIN_TYPE), xlc)
  CFLAGS_JDKLIB += -qvisibility=hidden
  CXXFLAGS_JDKLIB += -qvisibility=hidden
endif

# Put the libraries here.
INSTALL_LIBRARIES_HERE := $(call FindLibDirForModule, $(MODULE))

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