#
# Copyright (c) 2005, 2009, 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
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#
# This code is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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# version 2 for more details (a copy is included in the LICENSE file that
# accompanied this code).
#
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# 2 along with this work; if not, write to the Free Software Foundation,
# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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#
# Rules to build signal interposition library, used by vm.make
# libjsig[_g].so: signal interposition library
JSIG = jsig
JSIG_G = $(JSIG)$(G_SUFFIX)
ifeq ($(OS_VENDOR), Darwin)
LIBJSIG = lib$(JSIG).dylib
LIBJSIG_G = lib$(JSIG_G).dylib
else
LIBJSIG = lib$(JSIG).so
LIBJSIG_G = lib$(JSIG_G).so
endif
JSIGSRCDIR = $(GAMMADIR)/src/os/$(Platform_os_family)/vm
DEST_JSIG = $(JDK_LIBDIR)/$(LIBJSIG)
LIBJSIG_MAPFILE = $(MAKEFILES_DIR)/mapfile-vers-jsig
# On Bsd we really dont want a mapfile, as this library is small
# and preloaded using LD_PRELOAD, making functions private will
# cause problems with interposing. See CR: 6466665
# LFLAGS_JSIG += $(MAPFLAG:FILENAME=$(LIBJSIG_MAPFILE))
LFLAGS_JSIG += -D_GNU_SOURCE -pthread $(LDFLAGS_HASH_STYLE)
# DEBUG_BINARIES overrides everything, use full -g debug information
ifeq ($(DEBUG_BINARIES), true)
JSIG_DEBUG_CFLAGS = -g
endif
$(LIBJSIG): $(JSIGSRCDIR)/jsig.c $(LIBJSIG_MAPFILE)
@echo Making signal interposition lib...
$(QUIETLY) $(CC) $(SYMFLAG) $(ARCHFLAG) $(SHARED_FLAG) $(PICFLAG) \
$(LFLAGS_JSIG) $(JSIG_DEBUG_CFLAGS) -o $@ $<
$(QUIETLY) [ -f $(LIBJSIG_G) ] || { ln -s $@ $(LIBJSIG_G); }
install_jsig: $(LIBJSIG)
@echo "Copying $(LIBJSIG) to $(DEST_JSIG)"
$(QUIETLY) cp -f $(LIBJSIG) $(DEST_JSIG) && echo "Done"
.PHONY: install_jsig