1# Copyright (C) 2002-2022 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 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) $(LIBGCC2_CFLAGS) -shared -Wl,-bnortl -nodefaultlibs \
40            -Wl,-bE:@shlib_map_file@ -o shr.o \
41            @multilib_flags@ @shlib_objs@ -lc \
42            `case @multilib_dir@ in \
43            *pthread*) echo -L$(TARGET_SYSTEM_ROOT)/usr/lib/threads -lpthreads -lc_r $(TARGET_SYSTEM_ROOT)/usr/lib/libc.a ;; \
44            *) echo -lc ;; esac` ; \
45            rm -f tmp-@shlib_base_name@.a ; \
46            $(AR_CREATE_FOR_TARGET) tmp-@shlib_base_name@.a shr.o ; \
47            mv tmp-@shlib_base_name@.a @shlib_base_name@.a ; \
48            rm -f shr.o ; \
49          fi ; \
50          if test aix != $(with_aix_soname) ; then \
51            case @multilib_dir@ in *64*) shr='shr_64' ;; *) shr='shr' ;; esac ; \
52            $(CC) $(LIBGCC2_CFLAGS) -shared -Wl,-G -nodefaultlibs \
53            -Wl,-bE:@shlib_map_file@ -o $$shr.o \
54            @multilib_flags@ @shlib_objs@ -lc \
55            `case @multilib_dir@ in \
56            *pthread*) echo -L$(TARGET_SYSTEM_ROOT)/usr/lib/threads -lpthreads -lc_r $(TARGET_SYSTEM_ROOT)/usr/lib/libc.a ;; \
57            *) echo -lc ;; esac` ; \
58            $(STRIP_FOR_TARGET) -X32_64 -e $$shr.o ; \
59            { echo "\#! $(SHLIB_SONAME)($$shr.o)" ; \
60              case @multilib_dir@ in *64*) echo '\# 64' ;; *) echo '\# 32' ;; esac ; \
61              cat @shlib_map_file@ ; \
62            } > $$shr.imp ; \
63            rm -f tmp-$(SHLIB_SONAME) ; \
64            $(AR_CREATE_FOR_TARGET) tmp-$(SHLIB_SONAME) $$shr.imp $$shr.o ; \
65            mv tmp-$(SHLIB_SONAME) $(SHLIB_SONAME) ; \
66            rm -f @shlib_base_name@.so ; \
67            $(LN_S) $(SHLIB_SONAME) @shlib_base_name@.so ; \
68            rm -f $$shr.imp $$shr.o ; \
69          fi
70SHLIB_INSTALL = \
71          $(mkinstalldirs) $(DESTDIR)$(slibdir)@shlib_slibdir_qual@; \
72          if test svr4 != $(with_aix_soname) ; then \
73            $(INSTALL_DATA) @shlib_base_name@.a \
74                      $(DESTDIR)$(slibdir)@shlib_slibdir_qual@/ ; \
75          fi ; \
76          if test aix != $(with_aix_soname) ; then \
77            $(INSTALL_DATA) $(SHLIB_SONAME) \
78                      $(DESTDIR)$(slibdir)@shlib_slibdir_qual@/ ; \
79            rm -f $(DESTDIR)$(slibdir)@shlib_slibdir_qual@/@shlib_base_name@.so ; \
80            $(LN_S) $(SHLIB_SONAME) \
81                      $(DESTDIR)$(slibdir)@shlib_slibdir_qual@/@shlib_base_name@.so ; \
82          fi
83SHLIB_LIBS = -lc `case @multilib_dir@ in *pthread*) echo -lpthread ;; esac`
84SHLIB_MKMAP = $(srcdir)/mkmap-flat.awk
85SHLIB_MAPFILES = libgcc-std.ver
86SHLIB_NM_FLAGS = -Bpg -X32_64
87
88# Either 32-bit and 64-bit objects in archives.
89AR_FLAGS_FOR_TARGET = -X32_64
90
91# Build and install AIX-style FAT libraries
92ifeq ($(MULTIBUILDTOP),)
93BITS=$(shell if test -z "`$(CC) -x c -E /dev/null -g3 -o - | grep 64BIT`" ; then \
94    echo '64'; else echo '32'; fi)
95ARX=$(shell echo $(AR) | sed -e 's/-X[^ ]*//g')
96all: all-multi
97ifeq ($(enable_shared),yes)
98          $(ARX) -X$(BITS) x ../ppc$(BITS)/libgcc/libgcc_s.a shr.o
99          $(ARX) -X$(BITS) rc ./libgcc_s.a shr.o
100          rm -f shr.o
101          $(ARX) -X$(BITS) x ../pthread/ppc$(BITS)/libgcc/libgcc_s.a shr.o
102          $(ARX) -X$(BITS) rc ../pthread/libgcc/libgcc_s.a shr.o
103          rm -f shr.o
104endif
105          $(ARX) -X$(BITS) rc libgcc.a \
106              $(addprefix ../ppc$(BITS)/libgcc/,$(libgcc-objects))
107          $(ARX) -X$(BITS) rc libgcc_eh.a \
108              $(addprefix ../ppc$(BITS)/libgcc/,$(libgcc-eh-objects))
109          $(ARX) -X$(BITS) rc ../pthread/libgcc/libgcc.a \
110              $(addprefix ../pthread/ppc$(BITS)/libgcc/,$(libgcc-objects))
111          $(ARX) -X$(BITS) rc ../pthread/libgcc/libgcc_eh.a \
112              $(addprefix ../pthread/ppc$(BITS)/libgcc/,$(libgcc-eh-objects))
113ifeq ($(enable_gcov),yes)
114          $(ARX) -X$(BITS) rc libgcov.a \
115              $(addprefix ../ppc$(BITS)/libgcc/,$(libgcov-objects))
116          $(ARX) -X$(BITS) rc ../pthread/libgcc/libgcov.a \
117              $(addprefix ../pthread/ppc$(BITS)/libgcc/,$(libgcov-objects))
118endif
119          $(MAKE) install-leaf DESTDIR=$(gcc_objdir) \
120              slibdir= libsubdir= MULTIOSDIR=$(MULTIDIR)
121          cp ../pthread/libgcc/libgcc_s.a ../../gcc/pthread/
122          cp ../pthread/libgcc/libgcc_eh.a ../../gcc/pthread/
123endif
124