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#
# Rules to build signal interposition library, used by vm.make
# libjsig[_g].so: signal interposition library
JSIG = jsig
LIBJSIG = lib$(JSIG).so
JSIG_G = $(JSIG)$(G_SUFFIX)
LIBJSIG_G = lib$(JSIG_G).so
JSIGSRCDIR = $(GAMMADIR)/src/os/$(Platform_os_family)/vm
DEST_JSIG = $(JDK_LIBDIR)/$(LIBJSIG)
LIBJSIG_MAPFILE = $(MAKEFILES_DIR)/mapfile-vers-jsig
# On Linux 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 -D_REENTRANT $(LDFLAGS_HASH_STYLE)
# DEBUG_BINARIES overrides everything, use full -g debug information
ifeq ($(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 $@ $< -ldl
$(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