#
# Copyright (c) 2013, 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.
#

################################################################################
# Create the libjsig.so shared library

default: all

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

ifneq ($(OPENJDK_TARGET_OS), windows)
  ifeq ($(STATIC_BUILD), false)
    LIBJSIG_STRIP_SYMBOLS := true
    ifeq ($(OPENJDK_TARGET_OS), linux)
      LIBJSIG_CFLAGS := -fPIC -D_GNU_SOURCE -D_REENTRANT $(EXTRA_CFLAGS)
      LIBJSIG_LDFLAGS := $(LDFLAGS_HASH_STYLE) $(EXTRA_CFLAGS)
      LIBJSIG_LIBS := $(LIBDL)

      # NOTE: The old build compiled this library without -soname.
      # To emulate this, we need to clear out SET_SHARED_LIBRARY_NAME.
      SET_SHARED_LIBRARY_NAME :=

      # Flags for other CPUs can be provided in EXTRA_CFLAGS
      ifeq ($(OPENJDK_TARGET_CPU), x86_64)
        LIBJSIG_CPU_FLAGS := -m64
      else ifeq ($(OPENJDK_TARGET_CPU), x86)
        LIBJSIG_CPU_FLAGS := -m32 -march=i586
      endif

    else ifeq ($(OPENJDK_TARGET_OS), solaris)
      LIBJSIG_CFLAGS := -m64 -KPIC -mt
      LIBJSIG_LDFLAGS := -m64 -mt -xnolib
      LIBJSIG_LIBS := $(LIBDL)

      # NOTE: The old build compiled this library without -soname.
      # To emulate this, we need to clear out SET_SHARED_LIBRARY_NAME.
      SET_SHARED_LIBRARY_NAME :=

    else ifeq ($(OPENJDK_TARGET_OS), aix)
      LIBJSIG_CFLAGS := -q64 -D_GNU_SOURCE -D_REENTRANT -qpic=large
      LIBJSIG_LDFLAGS := -b64 -bexpall -G -bnoentry -qmkshrobj -brtl -bnolibpath -bernotok
      LIBJSIG_LIBS := $(LIBDL)

      # NOTE: The old build compiled this library without -soname.
      # To emulate this, we need to clear out SET_SHARED_LIBRARY_NAME.
      SET_SHARED_LIBRARY_NAME :=

    else ifeq ($(OPENJDK_TARGET_OS), macosx)
      LIBJSIG_CFLAGS := -m64 -D_GNU_SOURCE -pthread -mno-omit-leaf-frame-pointer -mstack-alignment=16 -fPIC
      LIBJSIG_LDFLAGS := $(LDFLAGS_HASH_STYLE)
      # NOTE: This lib is not stripped on macosx in old build. Looks like a mistake.
      LIBJSIG_STRIP_SYMBOLS := false
    else
      $(error Unknown target OS $(OPENJDK_TARGET_OS) in CompileLibjsig.gmk)
    endif

    LIBJSIG_SRC_FILE := $(HOTSPOT_TOPDIR)/src/os/$(HOTSPOT_TARGET_OS)/vm/jsig.c
    LIBJSIG_MAPFILE := $(wildcard $(HOTSPOT_TOPDIR)/make/mapfiles/libjsig/mapfile-vers-$(OPENJDK_TARGET_OS))
    LIBJSIG_OUTPUTDIR := $(HOTSPOT_OUTPUTDIR)/libjsig

    LIBJSIG_LDFLAGS += $(SHARED_LIBRARY_FLAGS)

    $(eval $(call SetupNativeCompilation, BUILD_LIBJSIG, \
        LIBRARY := jsig, \
        EXTRA_FILES := $(LIBJSIG_SRC_FILE), \
        OUTPUT_DIR := $(LIBJSIG_OUTPUTDIR), \
        LANG := C, \
        CFLAGS := $(LIBJSIG_CFLAGS) $(LIBJSIG_CPU_FLAGS), \
        LDFLAGS := $(LIBJSIG_LDFLAGS) $(LIBJSIG_CPU_FLAGS), \
        LIBS := $(LIBJSIG_LIBS), \
        MAPFILE := $(LIBJSIG_MAPFILE), \
        OBJECT_DIR := $(LIBJSIG_OUTPUTDIR)/objs, \
        STRIP_SYMBOLS := $(LIBJSIG_STRIP_SYMBOLS), \
    ))

    TARGETS += $(BUILD_LIBJSIG)
  endif
endif

all: $(TARGETS)

.PHONY: all