libgcc/config/rs6000/t-slibgcc-aix

   1 # Copyright (C) 2002-2020 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 according to --with-aix-soname selection:
  20 # aix-soname=aix:
  21 #       libgcc_s.a(shr.o)                # traditional (-bnortl)
  22 #
  23 # aix-soname=both:
  24 #       libgcc_s.a(shr.o)                # traditional (-bnortl)
  25 #       libgcc_s.so.1(shrXX.o,shrXX.imp) # the SONAME (-G)
  26 #       libgcc_s.so -> libgcc_s.so.1     # the symlink
  27 #
  28 # aix-soname=svr4:
  29 #       libgcc_s.so.1(shrXX.o,shrXX.imp) # the SONAME (-G)
  30 #       libgcc_s.so -> libgcc_s.so.1     # the symlink
  31 SHLIB_EXT_aix = .a
  32 SHLIB_EXT_both = .so
  33 SHLIB_EXT_svr4 = .so
  34 SHLIB_EXT = $(SHLIB_EXT_$(with_aix_soname))
  35 SHLIB_SOVERSION = 1
  36 SHLIB_SONAME = @shlib_base_name@.so.$(SHLIB_SOVERSION)
  37 SHLIB_LINK = \
  38         if test svr4 != $(with_aix_soname) ; then \
  39           $(CC) $(LIBGCC2_CFLAGS) -shared -Wl,-bnortl -nodefaultlibs \
  40           -Wl,-bE:@shlib_map_file@ -o @multilib_dir@/shr.o \
  41           @multilib_flags@ @shlib_objs@ -lc \
  42           `case @multilib_dir@ in \
  43           *pthread*) echo -L$(TARGET_SYSTEM_ROOT)/usr/lib/threads -lpthreads -lc_r $(TARGET_SYSTEM_ROOT)/usr/lib/libc.a ;; \
  44           *) echo -lc ;; esac` ; \
  45           rm -f @multilib_dir@/tmp-@shlib_base_name@.a ; \
  46           $(AR_CREATE_FOR_TARGET) @multilib_dir@/tmp-@shlib_base_name@.a \
  47             @multilib_dir@/shr.o ; \
  48           mv @multilib_dir@/tmp-@shlib_base_name@.a \
  49              @multilib_dir@/@shlib_base_name@.a ; \
  50           rm -f @multilib_dir@/shr.o ; \
  51         fi ; \
  52         if test aix != $(with_aix_soname) ; then \
  53           case @multilib_dir@ in *64*) shr='shr_64' ;; *) shr='shr' ;; esac ; \
  54           $(CC) $(LIBGCC2_CFLAGS) -shared -Wl,-G -nodefaultlibs \
  55           -Wl,-bE:@shlib_map_file@ -o @multilib_dir@/$$shr.o \
  56           @multilib_flags@ @shlib_objs@ -lc \
  57           `case @multilib_dir@ in \
  58           *pthread*) echo -L$(TARGET_SYSTEM_ROOT)/usr/lib/threads -lpthreads -lc_r $(TARGET_SYSTEM_ROOT)/usr/lib/libc.a ;; \
  59           *) echo -lc ;; esac` ; \
  60           $(STRIP_FOR_TARGET) -X32_64 -e @multilib_dir@/$$shr.o ; \
  61           { echo "\#! $(SHLIB_SONAME)($$shr.o)" ; \
  62             case @multilib_dir@ in *64*) echo '\# 64' ;; *) echo '\# 32' ;; esac ; \
  63             cat @shlib_map_file@ ; \
  64           } > @multilib_dir@/$$shr.imp ; \
  65           rm -f @multilib_dir@/tmp-$(SHLIB_SONAME) ; \
  66           $(AR_CREATE_FOR_TARGET) @multilib_dir@/tmp-$(SHLIB_SONAME) \
  67             @multilib_dir@/$$shr.imp @multilib_dir@/$$shr.o ; \
  68           mv @multilib_dir@/tmp-$(SHLIB_SONAME) \
  69              @multilib_dir@/$(SHLIB_SONAME) ; \
  70           rm -f @multilib_dir@/@shlib_base_name@.so ; \
  71           $(LN_S) $(SHLIB_SONAME) @multilib_dir@/@shlib_base_name@.so ; \
  72           rm -f @multilib_dir@/$$shr.imp @multilib_dir@/$$shr.o ; \
  73         fi
  74 SHLIB_INSTALL = \
  75         $(mkinstalldirs) $(DESTDIR)$(slibdir)@shlib_slibdir_qual@; \
  76         if test svr4 != $(with_aix_soname) ; then \
  77           $(INSTALL_DATA) @multilib_dir@/@shlib_base_name@.a \
  78                   $(DESTDIR)$(slibdir)@shlib_slibdir_qual@/ ; \
  79         fi ; \
  80         if test aix != $(with_aix_soname) ; then \
  81           $(INSTALL_DATA) @multilib_dir@/$(SHLIB_SONAME) \
  82                   $(DESTDIR)$(slibdir)@shlib_slibdir_qual@/ ; \
  83           rm -f $(DESTDIR)$(slibdir)@shlib_slibdir_qual@/@shlib_base_name@.so ; \
  84           $(LN_S) $(SHLIB_SONAME) \
  85                   $(DESTDIR)$(slibdir)@shlib_slibdir_qual@/@shlib_base_name@.so ; \
  86         fi
  87 SHLIB_LIBS = -lc `case @multilib_dir@ in *pthread*) echo -lpthread ;; esac`
  88 SHLIB_MKMAP = $(srcdir)/mkmap-flat.awk
  89 SHLIB_MAPFILES = libgcc-std.ver
  90 SHLIB_NM_FLAGS = -Bpg -X32_64
  91
  92 # Either 32-bit and 64-bit objects in archives.
  93 AR_FLAGS_FOR_TARGET = -X32_64