1 # Copyright (C) 2002, 2003, 2004, 2005, 2006,
2 # 2008 Free Software Foundation, Inc.
4 # This file is part of GCC.
6 # GCC is free software; you can redistribute it and/or modify
7 # it under the terms of the GNU General Public License as published by
8 # the Free Software Foundation; either version 3, or (at your option)
11 # GCC is distributed in the hope that it will be useful,
12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 # GNU General Public License for more details.
16 # You should have received a copy of the GNU General Public License
17 # along with GCC; see the file COPYING3. If not see
18 # <http://www.gnu.org/licenses/>.
20 # We want fine grained libraries, so use the new code to build the
21 # floating point emulation libraries.
25 dp-bit.c: $(srcdir)/config/fp-bit.c
26 cat $(srcdir)/config/fp-bit.c > dp-bit.c
28 fp-bit.c: $(srcdir)/config/fp-bit.c
29 echo '#define FLOAT' > fp-bit.c
30 cat $(srcdir)/config/fp-bit.c >> fp-bit.c
32 # Build the libraries for pthread and all of the
33 # different processor models
35 MULTILIB_OPTIONS = pthread maix64
37 MULTILIB_DIRNAMES = pthread ppc64
41 LIBGCC = stmp-multilib
42 INSTALL_LIBGCC = install-multilib
44 # Build a shared libgcc library.
46 SHLIB_LINK = $(GCC_FOR_TARGET) $(LIBGCC2_CFLAGS) -shared -nodefaultlibs \
47 -Wl,-bE:@shlib_map_file@ -o @multilib_dir@/shr.o \
48 @multilib_flags@ @shlib_objs@ -lc \
49 `case @multilib_dir@ in \
50 *pthread*) echo -L$(TARGET_SYSTEM_ROOT)/usr/lib/threads -lpthreads -lc_r $(TARGET_SYSTEM_ROOT)/usr/lib/libc.a ;; \
51 *) echo -lc ;; esac` ; \
52 rm -f @multilib_dir@/tmp-@shlib_base_name@.a ; \
53 $(AR_CREATE_FOR_TARGET) @multilib_dir@/tmp-@shlib_base_name@.a \
54 @multilib_dir@/shr.o ; \
55 mv @multilib_dir@/tmp-@shlib_base_name@.a \
56 @multilib_dir@/@shlib_base_name@.a ; \
57 rm -f @multilib_dir@/shr.o
58 # $(slibdir) double quoted to protect it from expansion while building
59 # libgcc.mk. We want this delayed until actual install time.
61 $$(mkinstalldirs) $$(DESTDIR)$$(slibdir)@shlib_slibdir_qual@; \
62 $(INSTALL_DATA) @multilib_dir@/@shlib_base_name@.a \
63 $$(DESTDIR)$$(slibdir)@shlib_slibdir_qual@/
64 SHLIB_LIBS = -lc `case @multilib_dir@ in *pthread*) echo -lpthread ;; esac`
65 SHLIB_MKMAP = $(srcdir)/mkmap-flat.awk
66 SHLIB_MAPFILES = $(srcdir)/libgcc-std.ver $(srcdir)/config/rs6000/libgcc-ppc64.ver
67 SHLIB_NM_FLAGS = -Bpg -X32_64
69 # GCC 128-bit long double support routines.
70 LIB2FUNCS_EXTRA = $(srcdir)/config/rs6000/ppc64-fp.c \
71 $(srcdir)/config/rs6000/darwin-ldouble.c
72 TARGET_LIBGCC2_CFLAGS = -mlong-double-128
74 # Either 32-bit and 64-bit objects in archives.
75 AR_FLAGS_FOR_TARGET = -X32_64