2009-06-16 H.J. Lu <hongjiu.lu@intel.com>

[pf3gnuchains/gcc-fork.git] / gcc / config / t-libunwind-elf

diff --git a/gcc/config/t-libunwind-elf b/gcc/config/t-libunwind-elf
index ac94fac..5ae0d62 100644 (file)
--- a/gcc/config/t-libunwind-elf
+++ b/gcc/config/t-libunwind-elf
@@ -1,3 +1,21 @@
+# Copyright (C) 2004, 2005 Free Software Foundation, Inc.
+#
+# This file is part of GCC.
+#
+# GCC is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3, or (at your option)
+# any later version.
+#
+# GCC 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 for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with GCC; see the file COPYING3.  If not see
+# <http://www.gnu.org/licenses/>.
+
 # Build libunwind for ELF with the GNU linker.
 
 # Use unwind-dw2-fde-glibc
@@ -5,21 +23,26 @@ 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_so_name@.so.$(SHLIBUNWIND_SOVERSION)
-SHLIBUNWIND_NAME = @shlib_dir@@shlib_so_name@.so.$(SHLIBUNWIND_SOVERSION)
+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 $(SHLIBUNWIND_NAME) @multilib_flags@ $(SHLIB_OBJS) -lc && \
-       rm -f $(SHLIB_SOLINK) && \
-       $(LN_S) $(SHLIBUNWIND_NAME) $(SHLIB_SOLINK)
+       -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) $(SHLIBUNWIND_NAME) \
+       $(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) \