Mercurial > hg > CbC > CbC_gcc
annotate libgcc/config/t-slibgcc-darwin @ 145:1830386684a0
gcc-9.2.0
author | anatofuz |
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date | Thu, 13 Feb 2020 11:34:05 +0900 |
parents | 04ced10e8804 |
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rev | line source |
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0 | 1 # Build a shared libgcc library with the darwin linker. |
2 SHLIB_SOVERSION = 1 | |
3 SHLIB_VERSTRING = -compatibility_version $(SHLIB_SOVERSION) -current_version $(SHLIB_SOVERSION).0 | |
4 SHLIB_EXT = .dylib | |
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5 SHLIB_INSTALL_NAME = @shlib_base_name@.$(SHLIB_SOVERSION)$(SHLIB_EXT) |
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6 SHLIB_SONAME = @shlib_base_name@$(SHLIB_EXT) |
0 | 7 SHLIB_SOLINK = @shlib_base_name@.so |
8 SHLIB_MAP = @shlib_map_file@ | |
9 SHLIB_OBJS = @shlib_objs@ | |
10 SHLIB_DIR = @multilib_dir@ | |
11 SHLIB_LC = -lc | |
12 | |
13 # Darwin only searches in /usr/lib for shared libraries, not in subdirectories, | |
14 # so the libgcc variants have different names not different locations. | |
15 # Note that this version is used for the loader, not the linker; the linker | |
16 # uses the stub versions named by the versioned members of $(INSTALL_FILES). | |
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17 |
0 | 18 SHLIB_LINK = $(CC) $(LIBGCC2_CFLAGS) -dynamiclib -nodefaultlibs \ |
19 -install_name @shlib_slibdir@/$(SHLIB_INSTALL_NAME) \ | |
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20 -single_module -o $(SHLIB_DIR)/$(SHLIB_SONAME) \ |
0 | 21 -Wl,-exported_symbols_list,$(SHLIB_MAP) \ |
22 $(SHLIB_VERSTRING) \ | |
23 @multilib_flags@ $(SHLIB_OBJS) $(SHLIB_LC) | |
24 | |
111 | 25 SHLIB_MKMAP = $(srcdir)/mkmap-flat.awk |
0 | 26 SHLIB_MKMAP_OPTS = -v leading_underscore=1 |
111 | 27 SHLIB_MAPFILES = libgcc-std.ver $(srcdir)/config/libgcc-libsystem.ver |
28 SHLIB_VERPFX = $(srcdir)/config/$(cpu_type)/libgcc-darwin | |
0 | 29 |
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30 # we're only going to build the stubs if the target slib is /usr/lib |
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31 # there is no other case in which they're useful in a live system. |
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32 ifeq (/usr/lib,$(shlib_slibdir)) |
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33 LGCC_STUBS = libgcc_s.10.4.dylib libgcc_s.10.5.dylib |
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34 else |
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35 LGCC_STUBS = |
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36 endif |
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37 |
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38 LGCC_FILES = libgcc_s.$(SHLIB_SOVERSION)$(SHLIB_EXT) |
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39 LGCC_FILES += $(LGCC_STUBS) |
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40 LEXT_STUBS = libgcc_ext.10.4$(SHLIB_EXT) libgcc_ext.10.5$(SHLIB_EXT) |
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41 LGCC_FILES += $(LEXT_STUBS) |
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42 INSTALL_FILES=$(LGCC_FILES) |
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43 |
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44 # we do our own thing |
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45 SHLIB_INSTALL = |
0 | 46 |
47 # For the toplevel multilib, build a fat archive including all the multilibs. | |
48 ifeq ($(MULTIBUILDTOP),) | |
49 | |
50 ifeq ($(enable_shared),yes) | |
51 all: $(INSTALL_FILES) | |
52 install-leaf: install-darwin-libgcc-stubs | |
53 endif | |
54 | |
55 # In order to support -mmacosx-version-min, you need to have multiple | |
56 # different libgcc_s libraries that actually get linked against, one for | |
57 # each system version supported. They are 'stub' libraries that | |
58 # contain no code, just a list of exported symbols. | |
59 # The actual use of the libraries is controlled by REAL_LIBGCC_SPEC. | |
60 # | |
61 # This assumes each multilib corresponds to a different architecture. | |
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62 libgcc_s.%.dylib : all-multi $(SHLIB_VERPFX).%.ver libgcc_s$(SHLIB_EXT) |
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63 MLIBS=`$(CC) --print-multi-lib | sed -e 's/;.*$$//'` ; \ |
0 | 64 for mlib in $$MLIBS ; do \ |
65 $(STRIP) -o $(@)_T$${mlib} \ | |
66 -s $(SHLIB_VERPFX).$(*).ver -c -u \ | |
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67 ../$${mlib}/libgcc/$${mlib}/libgcc_s$(SHLIB_EXT) || exit 1 ; \ |
0 | 68 done |
69 $(LIPO) -output $@ -create $(@)_T* | |
70 rm $(@)_T* | |
71 | |
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72 libgcc_ext.%.dylib : all-multi $(SHLIB_VERPFX).%.ver libgcc_s$(SHLIB_EXT) |
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73 MLIBS=`$(CC) --print-multi-lib | sed -e 's/;.*$$//'` ; \ |
0 | 74 for mlib in $$MLIBS ; do \ |
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75 $(STRIP) -o $(@)_T$${mlib} \ |
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76 -R $(SHLIB_VERPFX).$(*).ver -c -urx \ |
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77 ../$${mlib}/libgcc/$${mlib}/libgcc_s$(SHLIB_EXT) || exit 1 ; \ |
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78 done |
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79 $(LIPO) -output $@ -create $(@)_T* |
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80 rm $(@)_T* |
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81 |
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82 libgcc_s.$(SHLIB_SOVERSION)$(SHLIB_EXT): all-multi libgcc_s$(SHLIB_EXT) |
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83 MLIBS=`$(CC) --print-multi-lib | sed -e 's/;.*$$//'` ; \ |
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84 for mlib in $$MLIBS ; do \ |
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85 cp ../$${mlib}/libgcc/$${mlib}/libgcc_s$(SHLIB_EXT) \ |
0 | 86 ./libgcc_s.$(SHLIB_SOVERSION)$(SHLIB_EXT)_T_$${mlib} || exit 1 ; \ |
87 done | |
88 $(LIPO) -output libgcc_s.$(SHLIB_SOVERSION)$(SHLIB_EXT) \ | |
89 -create libgcc_s.$(SHLIB_SOVERSION)$(SHLIB_EXT)_T* | |
90 rm libgcc_s.$(SHLIB_SOVERSION)$(SHLIB_EXT)_T* | |
91 | |
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92 install-darwin-libgcc-stubs : |
0 | 93 $(mkinstalldirs) $(DESTDIR)$(slibdir) |
94 for d in $(INSTALL_FILES) ; do \ | |
95 $(INSTALL_DATA) $$d $(DESTDIR)$(slibdir)/$$d || exit 1 ; \ | |
96 done | |
97 if [ -f $(DESTDIR)$(slibdir)/libgcc_s_ppc64.1.dylib ]; then \ | |
98 rm -f $(DESTDIR)$(slibdir)/libgcc_s_ppc64.1.dylib; \ | |
99 else true; fi | |
100 $(LN_S) libgcc_s.1.dylib \ | |
101 $(DESTDIR)$(slibdir)/libgcc_s_ppc64.1.dylib | |
102 if [ -f $(DESTDIR)$(slibdir)/libgcc_s_x86_64.1.dylib ]; then \ | |
103 rm -f $(DESTDIR)$(slibdir)/libgcc_s_x86_64.1.dylib; \ | |
104 else true; fi | |
105 $(LN_S) libgcc_s.1.dylib \ | |
106 $(DESTDIR)$(slibdir)/libgcc_s_x86_64.1.dylib | |
107 | |
108 else | |
109 | |
110 # Do not install shared libraries for any other multilibs. Unless | |
111 # we're putting them in the gcc directory during a build, for | |
112 # compatibility with the pre-top-level layout. In that case we | |
113 # need symlinks. | |
114 | |
115 ifeq ($(enable_shared),yes) | |
116 all: install-darwin-libgcc-links | |
117 endif | |
118 | |
119 install-darwin-libgcc-links: | |
120 $(mkinstalldirs) $(gcc_objdir)$(MULTISUBDIR) | |
121 for file in $(INSTALL_FILES); do \ | |
122 rm -f $(gcc_objdir)$(MULTISUBDIR)/$$file; \ | |
123 $(LN_S) ../$$file $(gcc_objdir)$(MULTISUBDIR)/; \ | |
124 done | |
125 | |
126 rm -f $(gcc_objdir)$(MULTISUBDIR)/libgcc_s_x86_64.1.dylib | |
127 $(LN_S) libgcc_s.1.dylib \ | |
128 $(gcc_objdir)$(MULTISUBDIR)/libgcc_s_x86_64.1.dylib | |
129 | |
130 rm -f $(gcc_objdir)$(MULTISUBDIR)/libgcc_s_ppc64.1.dylib | |
131 $(LN_S) libgcc_s.1.dylib \ | |
132 $(gcc_objdir)$(MULTISUBDIR)/libgcc_s_ppc64.1.dylib | |
133 | |
134 endif |