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 31SHLIB_EXT_aix = .a 32SHLIB_EXT_both = .so 33SHLIB_EXT_svr4 = .so 34SHLIB_EXT = $(SHLIB_EXT_$(with_aix_soname)) 35SHLIB_SOVERSION = 1 36SHLIB_SONAME = @shlib_base_name@.so.$(SHLIB_SOVERSION) 37SHLIB_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 74SHLIB_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 87SHLIB_LIBS = -lc `case @multilib_dir@ in *pthread*) echo -lpthread ;; esac` 88SHLIB_MKMAP = $(srcdir)/mkmap-flat.awk 89SHLIB_MAPFILES = libgcc-std.ver 90SHLIB_NM_FLAGS = -Bpg -X32_64 91 92# Either 32-bit and 64-bit objects in archives. 93AR_FLAGS_FOR_TARGET = -X32_64 94