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# Build libunwind for ELF with the GNU linker.

# Use unwind-dw2-fde-glibc

LIBUNWIND = $(srcdir)/unwind-dw2.c $(srcdir)/unwind-dw2-fde-glibc.c

LIBUNWINDDEP = unwind.inc unwind-dw2-fde.h unwind-dw2-fde.c

SHLIBUNWIND_SOVERSION = 7

SHLIBUNWIND_SONAME = @shlib_base_name@.so.$(SHLIBUNWIND_SOVERSION)

SHLIBUNWIND_LINK = $(GCC_FOR_TARGET) $(LIBGCC2_CFLAGS) -shared \

        -nodefaultlibs -Wl,-h,$(SHLIBUNWIND_SONAME) \

        -Wl,-z,text -Wl,-z,defs -o $(SHLIB_DIR)/$(SHLIBUNWIND_SONAME).tmp \

        @multilib_flags@ $(SHLIB_OBJS) -lc && \

        rm -f $(SHLIB_DIR)/$(SHLIB_SOLINK) && \

        if [ -f $(SHLIB_DIR)/$(SHLIBUNWIND_SONAME) ]; then \

          mv -f $(SHLIB_DIR)/$(SHLIBUNWIND_SONAME) \

                $(SHLIB_DIR)/$(SHLIBUNWIND_SONAME).backup; \

        else true; fi && \

        mv $(SHLIB_DIR)/$(SHLIBUNWIND_SONAME).tmp \

           $(SHLIB_DIR)/$(SHLIBUNWIND_SONAME) && \

        $(LN_S) $(SHLIBUNWIND_SONAME) $(SHLIB_DIR)/$(SHLIB_SOLINK)

# $(slibdir) double quoted to protect it from expansion while building

# libgcc.mk.  We want this delayed until actual install time.

SHLIBUNWIND_INSTALL = \

        $$(SHELL) $$(srcdir)/mkinstalldirs $$(DESTDIR)$$(slibdir)$(SHLIB_SLIBDIR_QUAL); \

        $(INSTALL_DATA) $(SHLIB_DIR)/$(SHLIBUNWIND_SONAME) \

          $$(DESTDIR)$$(slibdir)$(SHLIB_SLIBDIR_QUAL)/$(SHLIBUNWIND_SONAME); \

        rm -f $$(DESTDIR)$$(slibdir)$(SHLIB_SLIBDIR_QUAL)/$(SHLIB_SOLINK); \

        $(LN_S) $(SHLIBUNWIND_SONAME) \

          $$(DESTDIR)$$(slibdir)$(SHLIB_SLIBDIR_QUAL)/$(SHLIB_SOLINK)