libgcc/config/t-libunwind-elf

   1 # Copyright (C) 2004-2024 Free Software Foundation, Inc.
   2 #
   3 # This file is part of GCC.
   4 #
   5 # GCC is free software; you can redistribute it and/or modify
   6 # it under the terms of the GNU General Public License as published by
   7 # the Free Software Foundation; either version 3, or (at your option)
   8 # any later version.
   9 #
  10 # GCC is distributed in the hope that it will be useful,
  11 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 # GNU General Public License for more details.
  14 #
  15 # You should have received a copy of the GNU General Public License
  16 # along with GCC; see the file COPYING3.  If not see
  17 # <http://www.gnu.org/licenses/>.
  18
  19 # Build libunwind for ELF with the GNU linker.
  20
  21 SHLIB_SOLINK = @shlib_base_name@.so
  22 SHLIB_OBJS = @shlib_objs@
  23 SHLIB_DIR = @multilib_dir@
  24 SHLIB_SLIBDIR_QUAL = @shlib_slibdir_qual@
  25
  26 # Use unwind-dw2-fde-dip
  27 LIBUNWIND = $(srcdir)/unwind-dw2.c $(srcdir)/unwind-dw2-fde-dip.c
  28
  29 SHLIBUNWIND_SOVERSION = 7
  30 SHLIBUNWIND_SONAME = @shlib_base_name@.so.$(SHLIBUNWIND_SOVERSION)
  31
  32 SHLIBUNWIND_LINK = $(CC) $(LIBGCC2_CFLAGS) -shared \
  33         -nodefaultlibs -Wl,-h,$(SHLIBUNWIND_SONAME) \
  34         -Wl,-z,text -Wl,-z,defs -o $(SHLIB_DIR)/$(SHLIBUNWIND_SONAME).tmp \
  35         @multilib_flags@ $(SHLIB_OBJS) -lc && \
  36         rm -f $(SHLIB_DIR)/$(SHLIB_SOLINK) && \
  37         if [ -f $(SHLIB_DIR)/$(SHLIBUNWIND_SONAME) ]; then \
  38           mv -f $(SHLIB_DIR)/$(SHLIBUNWIND_SONAME) \
  39                 $(SHLIB_DIR)/$(SHLIBUNWIND_SONAME).backup; \
  40         else true; fi && \
  41         mv $(SHLIB_DIR)/$(SHLIBUNWIND_SONAME).tmp \
  42            $(SHLIB_DIR)/$(SHLIBUNWIND_SONAME) && \
  43         $(LN_S) $(SHLIBUNWIND_SONAME) $(SHLIB_DIR)/$(SHLIB_SOLINK)
  44
  45 SHLIBUNWIND_INSTALL = \
  46         $(SHELL) $(srcdir)/mkinstalldirs $(DESTDIR)$(slibdir)$(SHLIB_SLIBDIR_QUAL); \
  47         $(INSTALL_DATA) $(SHLIB_DIR)/$(SHLIBUNWIND_SONAME) \
  48           $(DESTDIR)$(slibdir)$(SHLIB_SLIBDIR_QUAL)/$(SHLIBUNWIND_SONAME); \
  49         rm -f $(DESTDIR)$(slibdir)$(SHLIB_SLIBDIR_QUAL)/$(SHLIB_SOLINK); \
  50         $(LN_S) $(SHLIBUNWIND_SONAME) \
  51           $(DESTDIR)$(slibdir)$(SHLIB_SLIBDIR_QUAL)/$(SHLIB_SOLINK)