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      1 # Copyright (C) 2001-2022 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 a shared libgcc library.
     20 
     21 SHLIB_EXT = .so
     22 SHLIB_SOLINK = @shlib_base_name@.so
     23 SHLIB_SOVERSION = 1
     24 SHLIB_SONAME = @shlib_base_name@.so.$(SHLIB_SOVERSION)
     25 SHLIB_MAP = @shlib_map_file@
     26 SHLIB_OBJS = @shlib_objs@
     27 SHLIB_DIR = @multilib_dir@
     28 SHLIB_SLIBDIR_QUAL = @shlib_slibdir_qual@
     29 SHLIB_LC = -lc
     30 SHLIB_MAKE_SOLINK = $(LN_S) $(SHLIB_SONAME) $(SHLIB_DIR)/$(SHLIB_SOLINK)
     31 SHLIB_INSTALL_SOLINK = $(LN_S) $(SHLIB_SONAME) \
     32 	$(DESTDIR)$(slibdir)$(SHLIB_SLIBDIR_QUAL)/$(SHLIB_SOLINK)
     33 
     34 SHLIB_LINK = $(CC) $(LIBGCC2_CFLAGS) -shared -nodefaultlibs \
     35 	$(SHLIB_LDFLAGS) $(LDFLAGS) \
     36 	-o $(SHLIB_DIR)/$(SHLIB_SONAME).tmp @multilib_flags@ \
     37 	$(SHLIB_OBJS) $(SHLIB_LC) && \
     38 	rm -f $(SHLIB_DIR)/$(SHLIB_SOLINK) && \
     39 	if [ -f $(SHLIB_DIR)/$(SHLIB_SONAME) ]; then \
     40 	  mv -f $(SHLIB_DIR)/$(SHLIB_SONAME) \
     41 		$(SHLIB_DIR)/$(SHLIB_SONAME).backup; \
     42 	else true; fi && \
     43 	mv $(SHLIB_DIR)/$(SHLIB_SONAME).tmp $(SHLIB_DIR)/$(SHLIB_SONAME) && \
     44 	$(SHLIB_MAKE_SOLINK)
     45 
     46 INSTALL_SHLIB = $(INSTALL_DATA)
     47 
     48 SHLIB_INSTALL = \
     49 	$(mkinstalldirs) $(DESTDIR)$(slibdir)$(SHLIB_SLIBDIR_QUAL); \
     50 	$(INSTALL_SHLIB) $(SHLIB_DIR)/$(SHLIB_SONAME) \
     51 	  $(DESTDIR)$(slibdir)$(SHLIB_SLIBDIR_QUAL)/$(SHLIB_SONAME); \
     52 	rm -f $(DESTDIR)$(slibdir)$(SHLIB_SLIBDIR_QUAL)/$(SHLIB_SOLINK); \
     53 	$(SHLIB_INSTALL_SOLINK)
     54