1 #
   2 # Copyright (c) 2005, 2009, 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.
   8 #
   9 # This code is distributed in the hope that it will be useful, but WITHOUT
  10 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11 # FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12 # version 2 for more details (a copy is included in the LICENSE file that
  13 # accompanied this code).
  14 #
  15 # You should have received a copy of the GNU General Public License version
  16 # 2 along with this work; if not, write to the Free Software Foundation,
  17 # Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18 #
  19 # Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20 # or visit www.oracle.com if you need additional information or have any
  21 # questions.
  22 #  
  23 #
  24 
  25 # Rules to build signal interposition library, used by vm.make
  26 
  27 # libjsig[_g].so: signal interposition library
  28 JSIG   = jsig
  29 JSIG_G = $(JSIG)$(G_SUFFIX)
  30 
  31 ifeq ($(OS_VENDOR), Darwin)
  32   LIBJSIG   = lib$(JSIG).dylib
  33   LIBJSIG_G = lib$(JSIG_G).dylib
  34 else
  35   LIBJSIG   = lib$(JSIG).so
  36   LIBJSIG_G = lib$(JSIG_G).so
  37 endif
  38 
  39 JSIGSRCDIR = $(GAMMADIR)/src/os/$(Platform_os_family)/vm
  40 
  41 DEST_JSIG  = $(JDK_LIBDIR)/$(LIBJSIG)
  42 
  43 LIBJSIG_MAPFILE = $(MAKEFILES_DIR)/mapfile-vers-jsig
  44 
  45 # On Bsd we really dont want a mapfile, as this library is small 
  46 # and preloaded using LD_PRELOAD, making functions private will 
  47 # cause problems with interposing. See CR: 6466665
  48 # LFLAGS_JSIG += $(MAPFLAG:FILENAME=$(LIBJSIG_MAPFILE))
  49 
  50 LFLAGS_JSIG += -D_GNU_SOURCE -pthread $(LDFLAGS_HASH_STYLE)
  51 
  52 # DEBUG_BINARIES overrides everything, use full -g debug information
  53 ifeq ($(DEBUG_BINARIES), true)
  54   JSIG_DEBUG_CFLAGS = -g
  55 endif
  56 
  57 $(LIBJSIG): $(JSIGSRCDIR)/jsig.c $(LIBJSIG_MAPFILE)
  58         @echo Making signal interposition lib...
  59         $(QUIETLY) $(CC) $(SYMFLAG) $(ARCHFLAG) $(SHARED_FLAG) $(PICFLAG) \
  60                          $(LFLAGS_JSIG) $(JSIG_DEBUG_CFLAGS) -o $@ $<
  61         $(QUIETLY) [ -f $(LIBJSIG_G) ] || { ln -s $@ $(LIBJSIG_G); }
  62 
  63 install_jsig: $(LIBJSIG)
  64         @echo "Copying $(LIBJSIG) to $(DEST_JSIG)"
  65         $(QUIETLY) cp -f $(LIBJSIG) $(DEST_JSIG) && echo "Done"
  66 
  67 .PHONY: install_jsig