1# Build a shared libgcc library for PECOFF with a DEF file
2# with the GNU linker.
3#
4# mkmap-flat.awk is used with the pe_dll option to produce a DEF instead
5# of an ELF map file.
6#
7# Warning: If SHLIB_SOVERSION or SHLIB_SONAME are updated, LIBGCC_SONAME
8# in mingw32.h and SHLIB_MKMAP_OPTS below must be updated also.
9
10SHLIB_EXT = .dll
11SHLIB_IMPLIB = @shlib_base_name@.a
12SHLIB_SOVERSION = 1
13SHLIB_SONAME = @shlib_base_name@_$(EH_MODEL)-$(SHLIB_SOVERSION)$(SHLIB_EXT)
14SHLIB_MAP = @shlib_map_file@
15SHLIB_OBJS = @shlib_objs@
16SHLIB_DIR = @multilib_dir@/shlib
17SHLIB_SLIBDIR_QUAL = @shlib_slibdir_qual@
18# SHLIB_DLLDIR is defined by including one of either t-dlldir or t-dlldir-x
19# (native/cross build respectively) in the tmake_file list in
20# libgcc/config.host.
21ifndef SHLIB_DLLDIR
22$(error SHLIB_DLLDIR must be defined)
23endif
24ifndef SHLIB_PTHREAD_CFLAG
25SHLIB_PTHREAD_CFLAG =
26endif
27ifndef SHLIB_PTHREAD_LDFLAG
28SHLIB_PTHREAD_LDFLAG =
29endif
30
31SHLIB_LINK = $(LN_S) -f $(SHLIB_MAP) $(SHLIB_MAP).def && \
32	if [ ! -d $(SHLIB_DIR) ]; then \
33		mkdir $(SHLIB_DIR); \
34	else true; fi && \
35	$(CC) $(LIBGCC2_CFLAGS) $(SHLIB_PTHREAD_CFLAG) \
36	-shared -nodefaultlibs \
37	$(SHLIB_MAP).def \
38	-Wl,--out-implib,$(SHLIB_DIR)/$(SHLIB_IMPLIB).tmp \
39	-o $(SHLIB_DIR)/$(SHLIB_SONAME).tmp @multilib_flags@ \
40	$(SHLIB_OBJS) ${SHLIB_PTHREAD_LDFLAG} $(SHLIB_LC) && \
41	if [ -f $(SHLIB_DIR)/$(SHLIB_SONAME) ]; then \
42	  mv -f $(SHLIB_DIR)/$(SHLIB_SONAME) \
43		$(SHLIB_DIR)/$(SHLIB_SONAME).backup; \
44	else true; fi && \
45	mv $(SHLIB_DIR)/$(SHLIB_SONAME).tmp $(SHLIB_DIR)/$(SHLIB_SONAME) && \
46	mv $(SHLIB_DIR)/$(SHLIB_IMPLIB).tmp $(SHLIB_DIR)/$(SHLIB_IMPLIB)
47SHLIB_INSTALL = \
48	$(mkinstalldirs) $(DESTDIR)$(SHLIB_DLLDIR) \
49	  $(DESTDIR)$(slibdir)$(SHLIB_SLIBDIR_QUAL); \
50	$(INSTALL) $(SHLIB_DIR)/$(SHLIB_SONAME) \
51	  $(DESTDIR)$(SHLIB_DLLDIR)/$(SHLIB_SONAME); \
52	$(INSTALL_DATA) $(SHLIB_DIR)/$(SHLIB_IMPLIB) \
53	  $(DESTDIR)$(slibdir)$(SHLIB_SLIBDIR_QUAL)/$(SHLIB_IMPLIB)
54SHLIB_MKMAP = $(srcdir)/mkmap-flat.awk
55# We'd like to use SHLIB_SONAME here too, but shlib_base_name
56# does not get substituted before mkmap-flat.awk is run.
57SHLIB_MKMAP_OPTS = -v pe_dll=libgcc_s_$(EH_MODEL)-$(SHLIB_SOVERSION)$(SHLIB_EXT)
58SHLIB_MAPFILES = libgcc-std.ver $(srcdir)/config/i386/libgcc-cygming.ver
59