# Copyright (C) 2002-2020 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 a shared libgcc library according to --with-aix-soname selection:
# aix-soname=aix:
#       libgcc_s.a(shr.o)                # traditional (-bnortl)
#
# aix-soname=both:
#       libgcc_s.a(shr.o)                # traditional (-bnortl)
#       libgcc_s.so.1(shrXX.o,shrXX.imp) # the SONAME (-G)
#       libgcc_s.so -> libgcc_s.so.1     # the symlink
#
# aix-soname=svr4:
#       libgcc_s.so.1(shrXX.o,shrXX.imp) # the SONAME (-G)
#       libgcc_s.so -> libgcc_s.so.1     # the symlink
SHLIB_EXT_aix = .a
SHLIB_EXT_both = .so
SHLIB_EXT_svr4 = .so
SHLIB_EXT = $(SHLIB_EXT_$(with_aix_soname))
SHLIB_SOVERSION = 1
SHLIB_SONAME = @shlib_base_name@.so.$(SHLIB_SOVERSION)
SHLIB_LINK = \
	if test svr4 != $(with_aix_soname) ; then \
	  $(CC) $(LIBGCC2_CFLAGS) -shared -Wl,-bnortl -nodefaultlibs \
	  -Wl,-bE:@shlib_map_file@ -o @multilib_dir@/shr.o \
	  @multilib_flags@ @shlib_objs@ -lc \
	  `case @multilib_dir@ in \
	  *pthread*) echo -L$(TARGET_SYSTEM_ROOT)/usr/lib/threads -lpthreads -lc_r $(TARGET_SYSTEM_ROOT)/usr/lib/libc.a ;; \
	  *) echo -lc ;; esac` ; \
	  rm -f @multilib_dir@/tmp-@shlib_base_name@.a ; \
	  $(AR_CREATE_FOR_TARGET) @multilib_dir@/tmp-@shlib_base_name@.a \
	    @multilib_dir@/shr.o ; \
	  mv @multilib_dir@/tmp-@shlib_base_name@.a \
	     @multilib_dir@/@shlib_base_name@.a ; \
	  rm -f @multilib_dir@/shr.o ; \
	fi ; \
	if test aix != $(with_aix_soname) ; then \
	  case @multilib_dir@ in *64*) shr='shr_64' ;; *) shr='shr' ;; esac ; \
	  $(CC) $(LIBGCC2_CFLAGS) -shared -Wl,-G -nodefaultlibs \
	  -Wl,-bE:@shlib_map_file@ -o @multilib_dir@/$$shr.o \
	  @multilib_flags@ @shlib_objs@ -lc \
	  `case @multilib_dir@ in \
	  *pthread*) echo -L$(TARGET_SYSTEM_ROOT)/usr/lib/threads -lpthreads -lc_r $(TARGET_SYSTEM_ROOT)/usr/lib/libc.a ;; \
	  *) echo -lc ;; esac` ; \
	  $(STRIP_FOR_TARGET) -X32_64 -e @multilib_dir@/$$shr.o ; \
	  { echo "\#! $(SHLIB_SONAME)($$shr.o)" ; \
	    case @multilib_dir@ in *64*) echo '\# 64' ;; *) echo '\# 32' ;; esac ; \
	    cat @shlib_map_file@ ; \
	  } > @multilib_dir@/$$shr.imp ; \
	  rm -f @multilib_dir@/tmp-$(SHLIB_SONAME) ; \
	  $(AR_CREATE_FOR_TARGET) @multilib_dir@/tmp-$(SHLIB_SONAME) \
	    @multilib_dir@/$$shr.imp @multilib_dir@/$$shr.o ; \
	  mv @multilib_dir@/tmp-$(SHLIB_SONAME) \
	     @multilib_dir@/$(SHLIB_SONAME) ; \
	  rm -f @multilib_dir@/@shlib_base_name@.so ; \
	  $(LN_S) $(SHLIB_SONAME) @multilib_dir@/@shlib_base_name@.so ; \
	  rm -f @multilib_dir@/$$shr.imp @multilib_dir@/$$shr.o ; \
	fi
SHLIB_INSTALL = \
	$(mkinstalldirs) $(DESTDIR)$(slibdir)@shlib_slibdir_qual@; \
	if test svr4 != $(with_aix_soname) ; then \
	  $(INSTALL_DATA) @multilib_dir@/@shlib_base_name@.a \
		  $(DESTDIR)$(slibdir)@shlib_slibdir_qual@/ ; \
	fi ; \
	if test aix != $(with_aix_soname) ; then \
	  $(INSTALL_DATA) @multilib_dir@/$(SHLIB_SONAME) \
		  $(DESTDIR)$(slibdir)@shlib_slibdir_qual@/ ; \
	  rm -f $(DESTDIR)$(slibdir)@shlib_slibdir_qual@/@shlib_base_name@.so ; \
	  $(LN_S) $(SHLIB_SONAME) \
		  $(DESTDIR)$(slibdir)@shlib_slibdir_qual@/@shlib_base_name@.so ; \
	fi
SHLIB_LIBS = -lc `case @multilib_dir@ in *pthread*) echo -lpthread ;; esac`
SHLIB_MKMAP = $(srcdir)/mkmap-flat.awk
SHLIB_MAPFILES = libgcc-std.ver
SHLIB_NM_FLAGS = -Bpg -X32_64

# Either 32-bit and 64-bit objects in archives.
AR_FLAGS_FOR_TARGET = -X32_64