1 # Copyright (C) 2004-2020 Free Software Foundation, Inc.
3 # This file is part of GCC.
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)
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.
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/>.
19 # Build libunwind for ELF with the GNU linker.
21 SHLIB_SOLINK = @shlib_base_name@.so
22 SHLIB_OBJS = @shlib_objs@
23 SHLIB_DIR = @multilib_dir@
24 SHLIB_SLIBDIR_QUAL = @shlib_slibdir_qual@
26 # Use unwind-dw2-fde-dip
27 LIBUNWIND = $(srcdir)/unwind-dw2.c $(srcdir)/unwind-dw2-fde-dip.c
29 SHLIBUNWIND_SOVERSION = 7
30 SHLIBUNWIND_SONAME = @shlib_base_name@.so.$(SHLIBUNWIND_SOVERSION)
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; \
41 mv $(SHLIB_DIR)/$(SHLIBUNWIND_SONAME).tmp \
42 $(SHLIB_DIR)/$(SHLIBUNWIND_SONAME) && \
43 $(LN_S) $(SHLIBUNWIND_SONAME) $(SHLIB_DIR)/$(SHLIB_SOLINK)
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)